src/render/opengles/SDL_render_gles.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 06 Feb 2011 02:35:14 -0800
changeset 5204 daa5463466c5
parent 5203 25ffd4e5255c
child 5209 115fff0641ee
permissions -rw-r--r--
Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_RENDER_OGL_ES
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#include "SDL_opengles.h"
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#include "../SDL_sysrender.h"
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#if defined(SDL_VIDEO_DRIVER_PANDORA)
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/* Empty function stub to get OpenGL ES 1.x support without  */
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/* OpenGL ES extension GL_OES_draw_texture supported         */
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GL_API void GL_APIENTRY
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glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
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{
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    return;
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}
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#endif /* PANDORA */
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/* OpenGL ES 1.1 renderer implementation, based on the OpenGL renderer */
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/* Used to re-create the window with OpenGL capability */
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extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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static const float inv255f = 1.0f / 255.0f;
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static SDL_Renderer *GLES_CreateRenderer(SDL_Window * window, Uint32 flags);
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static void GLES_WindowEvent(SDL_Renderer * renderer,
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                             const SDL_WindowEvent *event);
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static int GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                              const SDL_Rect * rect, const void *pixels,
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                              int pitch);
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static int GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                            const SDL_Rect * rect, void **pixels, int *pitch);
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static void GLES_UnlockTexture(SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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static int GLES_RenderDrawPoints(SDL_Renderer * renderer,
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                                 const SDL_Point * points, int count);
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static int GLES_RenderDrawLines(SDL_Renderer * renderer,
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                                const SDL_Point * points, int count);
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static int GLES_RenderFillRects(SDL_Renderer * renderer,
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                                const SDL_Rect ** rects, int count);
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static int GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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                           const SDL_Rect * srcrect,
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                           const SDL_Rect * dstrect);
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static void GLES_RenderPresent(SDL_Renderer * renderer);
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static void GLES_DestroyTexture(SDL_Renderer * renderer,
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                                SDL_Texture * texture);
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static void GLES_DestroyRenderer(SDL_Renderer * renderer);
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SDL_RenderDriver GLES_RenderDriver = {
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    GLES_CreateRenderer,
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    {
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     "opengles",
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     (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC),
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     1,
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     {SDL_PIXELFORMAT_ABGR8888},
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     0,
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     0}
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};
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typedef struct
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{
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    SDL_GLContext context;
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    SDL_bool updateSize;
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    int blendMode;
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    SDL_bool useDrawTexture;
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    SDL_bool GL_OES_draw_texture_supported;
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} GLES_RenderData;
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typedef struct
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{
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    GLuint texture;
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    GLenum type;
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    GLfloat texw;
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    GLfloat texh;
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    GLenum format;
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   102
    GLenum formattype;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   103
    void *pixels;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   104
    int pitch;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   105
} GLES_TextureData;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   106
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   107
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   108
GLES_SetError(const char *prefix, GLenum result)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   109
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   110
    const char *error;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   111
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   112
    switch (result) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   113
    case GL_NO_ERROR:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   114
        error = "GL_NO_ERROR";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   115
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   116
    case GL_INVALID_ENUM:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   117
        error = "GL_INVALID_ENUM";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   118
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   119
    case GL_INVALID_VALUE:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   120
        error = "GL_INVALID_VALUE";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   121
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   122
    case GL_INVALID_OPERATION:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   123
        error = "GL_INVALID_OPERATION";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   124
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   125
    case GL_STACK_OVERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   126
        error = "GL_STACK_OVERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   127
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   128
    case GL_STACK_UNDERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   129
        error = "GL_STACK_UNDERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   130
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   131
    case GL_OUT_OF_MEMORY:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   132
        error = "GL_OUT_OF_MEMORY";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   133
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   134
    default:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   135
        error = "UNKNOWN";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   136
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   137
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   138
    SDL_SetError("%s: %s", prefix, error);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   139
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   140
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   141
SDL_Renderer *
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   142
GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   143
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   144
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   145
    SDL_Renderer *renderer;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   146
    GLES_RenderData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   147
    GLint value;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   148
    Uint32 window_flags;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   149
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   150
    window_flags = SDL_GetWindowFlags(window);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   151
    if (!(window_flags & SDL_WINDOW_OPENGL)) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   152
        if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   153
            return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   154
        }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   155
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   156
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   157
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   158
    if (!renderer) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   159
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   160
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   161
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   162
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   163
    data = (GLES_RenderData *) SDL_calloc(1, sizeof(*data));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   164
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   165
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   166
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   167
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   168
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   169
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   170
    renderer->WindowEvent = GLES_WindowEvent;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   171
    renderer->CreateTexture = GLES_CreateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   172
    renderer->UpdateTexture = GLES_UpdateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   173
    renderer->LockTexture = GLES_LockTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   174
    renderer->UnlockTexture = GLES_UnlockTexture;
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   175
    renderer->RenderDrawPoints = GLES_RenderDrawPoints;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   176
    renderer->RenderDrawLines = GLES_RenderDrawLines;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   177
    renderer->RenderFillRects = GLES_RenderFillRects;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   178
    renderer->RenderCopy = GLES_RenderCopy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   179
    renderer->RenderPresent = GLES_RenderPresent;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   180
    renderer->DestroyTexture = GLES_DestroyTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   181
    renderer->DestroyRenderer = GLES_DestroyRenderer;
5201
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
   182
    renderer->info = GLES_RenderDriver.info;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   183
    renderer->driverdata = data;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   184
5142
c8e049de174c Making the API simpler, the renderer present semantics are always having a backbuffer and then discarding it. This is best for hardware accelerated rendering.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
   185
    renderer->info.flags = SDL_RENDERER_ACCELERATED;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   186
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
   187
    data->context = SDL_GL_CreateContext(window);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   188
    if (!data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   189
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   190
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   191
    }
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
   192
    if (SDL_GL_MakeCurrent(window, data->context) < 0) {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   193
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   194
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   195
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
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    if (flags & SDL_RENDERER_PRESENTVSYNC) {
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        SDL_GL_SetSwapInterval(1);
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    } else {
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        SDL_GL_SetSwapInterval(0);
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    }
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    if (SDL_GL_GetSwapInterval() > 0) {
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        renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
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    }
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#if SDL_VIDEO_DRIVER_PANDORA
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    data->GL_OES_draw_texture_supported = SDL_FALSE;
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    data->useDrawTexture = SDL_FALSE;
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#else
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    if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) {
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        data->GL_OES_draw_texture_supported = SDL_TRUE;
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        data->useDrawTexture = SDL_TRUE;
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    } else {
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        data->GL_OES_draw_texture_supported = SDL_FALSE;
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        data->useDrawTexture = SDL_FALSE;
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    }
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#endif
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    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
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    renderer->info.max_texture_width = value;
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    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
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    renderer->info.max_texture_height = value;
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    /* Set up parameters for rendering */
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    data->blendMode = -1;
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   226
    glDisable(GL_DEPTH_TEST);
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   227
    glDisable(GL_CULL_FACE);
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    data->updateSize = SDL_TRUE;
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   230
    glEnableClientState(GL_VERTEX_ARRAY);
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   231
    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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   232
    
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   233
    return renderer;
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   234
}
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   236
static SDL_GLContext SDL_CurrentContext = NULL;
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   237
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static int
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   239
GLES_ActivateRenderer(SDL_Renderer * renderer)
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{
2753
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   241
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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   242
    SDL_Window *window = renderer->window;
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   243
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ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   244
    if (SDL_CurrentContext != data->context) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   245
        if (SDL_GL_MakeCurrent(window, data->context) < 0) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   246
            return -1;
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   247
        }
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   248
        SDL_CurrentContext = data->context;
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   249
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   250
    if (data->updateSize) {
5154
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   251
        int w, h;
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   252
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   253
        SDL_GetWindowSize(window, &w, &h);
5204
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   254
        glMatrixMode(GL_PROJECTION);
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   255
        glLoadIdentity();
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diff changeset
   256
        glMatrixMode(GL_MODELVIEW);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
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diff changeset
   257
        glLoadIdentity();
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   258
        glViewport(0, 0, w, h);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
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   259
        glOrthof(0.0, (GLfloat) w, (GLfloat) h, 0.0, 0.0, 1.0);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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        data->updateSize = SDL_FALSE;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   261
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   262
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   263
}
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   264
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   265
static void
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   266
GLES_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
2739
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   267
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   268
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   269
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   270
    if (event->event == SDL_WINDOWEVENT_RESIZED) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   271
        /* Rebind the context to the window area and update matrices */
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   272
        SDL_CurrentContext = NULL;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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   273
        data->updateSize = SDL_TRUE;
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   274
    }
2739
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   275
}
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   276
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   277
static __inline__ int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   278
power_of_2(int input)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   279
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   280
    int value = 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   281
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   282
    while (value < input) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   283
        value <<= 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   284
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   285
    return value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   286
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   287
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   288
static int
3139
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   289
GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
2739
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   290
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   291
    GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   292
    GLES_TextureData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   293
    GLint internalFormat;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   294
    GLenum format, type;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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   295
    int texture_w, texture_h;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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diff changeset
   296
    GLenum result;
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
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   297
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   298
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   299
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   300
    switch (texture->format) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   301
    case SDL_PIXELFORMAT_ABGR8888:
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   302
        internalFormat = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   303
        format = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   304
        type = GL_UNSIGNED_BYTE;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   305
        break;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   306
    default:
5203
25ffd4e5255c Minor consistency cleanup and documentation link update.
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
   307
        SDL_SetError("Texture format not supported");
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   308
        return -1;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   309
    }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   310
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   311
    data = (GLES_TextureData *) SDL_calloc(1, sizeof(*data));
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   312
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   313
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   314
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   315
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   316
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   317
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   318
        data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   319
        data->pixels = SDL_malloc(texture->h * data->pitch);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   320
        if (!data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   321
            SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   322
            SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   323
            return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   324
        }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   325
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   326
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   327
    texture->driverdata = data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   328
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   329
    glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   330
    glEnable(GL_TEXTURE_2D);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   331
    glGenTextures(1, &data->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   332
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   333
    data->type = GL_TEXTURE_2D;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   334
    /* no NPOV textures allowed in OpenGL ES (yet) */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   335
    texture_w = power_of_2(texture->w);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   336
    texture_h = power_of_2(texture->h);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   337
    data->texw = (GLfloat) texture->w / texture_w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   338
    data->texh = (GLfloat) texture->h / texture_h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   339
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   340
    data->format = format;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   341
    data->formattype = type;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   342
    glBindTexture(data->type, data->texture);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   343
    glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
5138
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
   344
                                GL_LINEAR);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   345
    glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
5138
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
   346
                                GL_LINEAR);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   347
    glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   348
                                GL_CLAMP_TO_EDGE);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   349
    glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   350
                                GL_CLAMP_TO_EDGE);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   351
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   352
    glTexImage2D(data->type, 0, internalFormat, texture_w,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   353
                             texture_h, 0, format, type, NULL);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   354
    glDisable(GL_TEXTURE_2D);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   355
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   356
    result = glGetError();
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   357
    if (result != GL_NO_ERROR) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   358
        GLES_SetError("glTexImage2D()", result);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   359
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   360
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   361
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   362
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   363
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   364
static int
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   365
GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   366
                   const SDL_Rect * rect, const void *pixels, int pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   367
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   368
    GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   369
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   370
    GLenum result;
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   371
    int bpp = SDL_BYTESPERPIXEL(texture->format);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   372
    void * temp_buffer;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   373
    void * temp_ptr;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   374
    int i;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   375
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   376
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   377
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   378
    glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   379
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   380
    glEnable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   381
    glBindTexture(data->type, data->texture);
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   382
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   383
    if( rect->w * bpp == pitch ) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   384
         temp_buffer = (void *)pixels; /* No need to reformat */
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   385
    } else {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   386
         /* Reformatting of mem area required */
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   387
         temp_buffer = SDL_malloc(rect->w * rect->h * bpp);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   388
         temp_ptr = temp_buffer;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   389
         for (i = 0; i < rect->h; i++) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   390
             SDL_memcpy(temp_ptr, pixels, rect->w * bpp);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   391
             temp_ptr += rect->w * bpp;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   392
             pixels += pitch;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   393
         }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   394
    }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   395
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   396
    glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   397
                                rect->h, data->format, data->formattype,
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   398
                                temp_buffer);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   399
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   400
    if( temp_buffer != pixels ) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   401
        SDL_free(temp_buffer);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   402
    }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   403
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   404
    glDisable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   405
    result = glGetError();
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   406
    if (result != GL_NO_ERROR) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   407
        GLES_SetError("glTexSubImage2D()", result);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   408
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   409
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   410
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   411
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   412
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   413
static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   414
GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   415
                 const SDL_Rect * rect, void **pixels, int *pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   416
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   417
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   418
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   419
    *pixels =
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   420
        (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   421
                  rect->x * SDL_BYTESPERPIXEL(texture->format));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   422
    *pitch = data->pitch;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   423
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   424
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   425
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   426
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   427
GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   428
{
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   429
    GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   430
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   431
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   432
    GLES_ActivateRenderer(renderer);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   433
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   434
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   435
    glEnable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   436
    glBindTexture(data->type, data->texture);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   437
    glTexSubImage2D(data->type, 0, 0, 0, texture->w,
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   438
                                texture->h, data->format, data->formattype,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   439
                                data->pixels);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   440
    glDisable(data->type);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   441
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   442
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   443
static void
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   444
GLES_SetBlendMode(GLES_RenderData * data, int blendMode)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   445
{
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   446
    if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   447
        switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   448
        case SDL_BLENDMODE_NONE:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   449
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   450
            glDisable(GL_BLEND);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   451
            break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   452
        case SDL_BLENDMODE_BLEND:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   453
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   454
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   455
            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   456
            break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   457
        case SDL_BLENDMODE_ADD:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   458
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   459
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   460
            glBlendFunc(GL_SRC_ALPHA, GL_ONE);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   461
            break;
5184
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   462
        case SDL_BLENDMODE_MOD:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   463
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   464
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   465
            glBlendFunc(GL_ZERO, GL_SRC_COLOR);
5184
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   466
            break;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   467
        }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   468
        data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   469
    }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   470
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   471
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   472
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   473
GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   474
                      int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   475
{
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   476
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   477
    int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   478
    GLshort *vertices;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   479
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   480
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   481
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   482
    GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   483
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   484
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   485
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   486
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   487
                    (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   488
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   489
    vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   490
    for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   491
        vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   492
        vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   493
    }
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   494
    glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   495
    glDrawArrays(GL_POINTS, 0, count);
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   496
    SDL_stack_free(vertices);
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
   497
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   498
    return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   499
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   500
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   501
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   502
GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   503
                     int count)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   504
{
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   505
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   506
    int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   507
    GLshort *vertices;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   508
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   509
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   510
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   511
    GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   512
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   513
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   514
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   515
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   516
                    (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   517
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   518
    vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   519
    for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   520
        vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   521
        vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   522
    }
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   523
    glVertexPointer(2, GL_SHORT, 0, vertices);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   524
    if (count > 2 && 
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   525
        points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   526
        /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   527
        --count;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   528
        glDrawArrays(GL_LINE_LOOP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   529
    } else {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   530
        glDrawArrays(GL_LINE_STRIP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   531
    }
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   532
    SDL_stack_free(vertices);
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
   533
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   534
    return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   535
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   536
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   537
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   538
GLES_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   539
                     int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   540
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   541
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   542
    int i;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   543
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   544
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   545
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   546
    GLES_SetBlendMode(data, renderer->blendMode);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   547
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   548
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   549
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   550
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   551
                    (GLfloat) renderer->a * inv255f);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   552
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   553
    for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   554
        const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   555
        GLshort minx = rect->x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   556
        GLshort maxx = rect->x + rect->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   557
        GLshort miny = rect->y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   558
        GLshort maxy = rect->y + rect->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   559
        GLshort vertices[8];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   560
        vertices[0] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   561
        vertices[1] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   562
        vertices[2] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   563
        vertices[3] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   564
        vertices[4] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   565
        vertices[5] = maxy;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   566
        vertices[6] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   567
        vertices[7] = maxy;
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
   568
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   569
        glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   570
        glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   571
    }
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
   572
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   573
    return 0;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   574
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   575
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   576
static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   577
GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   578
                const SDL_Rect * srcrect, const SDL_Rect * dstrect)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   579
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   580
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   581
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   582
    GLES_TextureData *texturedata = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   583
    int minx, miny, maxx, maxy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   584
    GLfloat minu, maxu, minv, maxv;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   585
    int i;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   586
    void *temp_buffer;          /* used for reformatting dirty rect pixels */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   587
    void *temp_ptr;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   588
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   589
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   590
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   591
    glEnable(GL_TEXTURE_2D);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
   592
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   593
    glBindTexture(texturedata->type, texturedata->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   594
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   595
    if (texture->modMode) {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   596
        glColor4f((GLfloat) texture->r * inv255f,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   597
                        (GLfloat) texture->g * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   598
                        (GLfloat) texture->b * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   599
                        (GLfloat) texture->a * inv255f);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   600
    } else {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   601
        glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   602
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   603
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   604
    GLES_SetBlendMode(data, texture->blendMode);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   605
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   606
    if (data->GL_OES_draw_texture_supported && data->useDrawTexture) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   607
        /* this code is a little funny because the viewport is upside down vs SDL's coordinate system */
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   608
        GLint cropRect[4];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   609
        int w, h;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3641
diff changeset
   610
        SDL_Window *window = renderer->window;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   611
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   612
        SDL_GetWindowSize(window, &w, &h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   613
        cropRect[0] = srcrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   614
        cropRect[1] = srcrect->y + srcrect->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   615
        cropRect[2] = srcrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   616
        cropRect[3] = -srcrect->h;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   617
        glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   618
                               cropRect);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   619
        glDrawTexiOES(dstrect->x, h - dstrect->y - dstrect->h, 0,
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   620
                            dstrect->w, dstrect->h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   621
    } else {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   622
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   623
        minx = dstrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   624
        miny = dstrect->y;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   625
        maxx = dstrect->x + dstrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   626
        maxy = dstrect->y + dstrect->h;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   627
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   628
        minu = (GLfloat) srcrect->x / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   629
        minu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   630
        maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   631
        maxu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   632
        minv = (GLfloat) srcrect->y / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   633
        minv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   634
        maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   635
        maxv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   636
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   637
        GLshort vertices[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   638
        GLfloat texCoords[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   639
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   640
        vertices[0] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   641
        vertices[1] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   642
        vertices[2] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   643
        vertices[3] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   644
        vertices[4] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   645
        vertices[5] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   646
        vertices[6] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   647
        vertices[7] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   648
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   649
        texCoords[0] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   650
        texCoords[1] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   651
        texCoords[2] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   652
        texCoords[3] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   653
        texCoords[4] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   654
        texCoords[5] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   655
        texCoords[6] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   656
        texCoords[7] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   657
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   658
        glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   659
        glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   660
        glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
   661
    }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   662
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   663
    glDisable(GL_TEXTURE_2D);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   664
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   665
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   666
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   667
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   668
static void
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   669
GLES_RenderPresent(SDL_Renderer * renderer)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   670
{
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   671
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   672
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   673
    SDL_GL_SwapWindow(renderer->window);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   674
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   675
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   676
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   677
GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   678
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   679
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   680
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   681
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   682
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   683
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   684
        return;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   685
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   686
    if (data->texture) {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   687
        glDeleteTextures(1, &data->texture);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   688
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   689
    if (data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   690
        SDL_free(data->pixels);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   691
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   692
    SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   693
    texture->driverdata = NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   694
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   695
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   696
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   697
GLES_DestroyRenderer(SDL_Renderer * renderer)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   698
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   699
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   700
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   701
    if (data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   702
        if (data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   703
            SDL_GL_DeleteContext(data->context);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   704
        }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   705
        SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   706
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   707
    SDL_free(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   708
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   709
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
   710
#endif /* SDL_VIDEO_RENDER_OGL_ES */
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   711
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   712
/* vi: set ts=4 sw=4 expandtab: */