src/render/direct3d11/SDL_render_d3d11.cpp
author David Ludwig <dludwig@pobox.com>
Sat, 09 Feb 2013 11:42:17 -0500
changeset 8410 ba725b3a0c87
parent 8401 29ecd2eca4af
child 8412 59f1191a5cca
permissions -rw-r--r--
WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
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extern "C" {
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#include "../../core/windows/SDL_windows.h"
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//#include "SDL_hints.h"
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//#include "SDL_loadso.h"
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#include "SDL_system.h"
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#include "SDL_syswm.h"
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#include "../SDL_sysrender.h"
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//#include "stdio.h"
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}
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#include <fstream>
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#include <string>
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#include <vector>
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#include "SDL_render_d3d11_cpp.h"
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using namespace DirectX;
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using namespace Microsoft::WRL;
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using namespace std;
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/* Direct3D 11.1 renderer implementation */
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static SDL_Renderer *D3D11_CreateRenderer(SDL_Window * window, Uint32 flags);
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//static void D3D11_WindowEvent(SDL_Renderer * renderer,
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//                            const SDL_WindowEvent *event);
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//static int D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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//static int D3D11_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 D3D11_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 D3D11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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//static int D3D11_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
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static int D3D11_UpdateViewport(SDL_Renderer * renderer);
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//static int D3D11_RenderClear(SDL_Renderer * renderer);
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//static int D3D11_RenderDrawPoints(SDL_Renderer * renderer,
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//                                const SDL_FPoint * points, int count);
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//static int D3D11_RenderDrawLines(SDL_Renderer * renderer,
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//                               const SDL_FPoint * points, int count);
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//static int D3D11_RenderFillRects(SDL_Renderer * renderer,
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//                               const SDL_FRect * rects, int count);
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//static int D3D11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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//                          const SDL_Rect * srcrect, const SDL_FRect * dstrect);
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//static int D3D11_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
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//                          const SDL_Rect * srcrect, const SDL_FRect * dstrect,
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//                          const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip);
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//static int D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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//                                Uint32 format, void * pixels, int pitch);
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static void D3D11_RenderPresent(SDL_Renderer * renderer);
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//static void D3D11_DestroyTexture(SDL_Renderer * renderer,
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//                               SDL_Texture * texture);
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//static void D3D11_DestroyRenderer(SDL_Renderer * renderer);
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/* Direct3D 11.1 Internal Functions */
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HRESULT WINRT_CreateDeviceResources(SDL_Renderer * renderer);
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extern "C" {
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    SDL_RenderDriver D3D11_RenderDriver = {
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    D3D11_CreateRenderer,
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    {
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     "direct3d",
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     (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
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     1,
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     {SDL_PIXELFORMAT_ARGB8888},
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     0,
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     0}
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    };
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}
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//typedef struct
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//{
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//    float x, y, z;
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//    DWORD color;
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//    float u, v;
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//} Vertex;
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SDL_Renderer *
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D3D11_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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    SDL_Renderer *renderer;
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    D3D11_RenderData *data;
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//    SDL_SysWMinfo windowinfo;
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 //   HRESULT result;
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 //   D3DPRESENT_PARAMETERS pparams;
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 //   IDirect3DSwapChain9 *chain;
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 //   D3DCAPS9 caps;
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 //   Uint32 window_flags;
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 //   int w, h;
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 //   SDL_DisplayMode fullscreen_mode;
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 //   D3DMATRIX matrix;
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   117
 //   int d3dxVersion;
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   118
	//char d3dxDLLFile[50];
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   119
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    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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   121
    if (!renderer) {
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   122
        SDL_OutOfMemory();
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   123
        return NULL;
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    }
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   125
    SDL_zerop(renderer);
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   126
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    data = new D3D11_RenderData;    // Use the C++ 'new' operator to make sure the struct's members initialize using C++ rules
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   128
    if (!data) {
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        SDL_OutOfMemory();
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        return NULL;
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    }
8410
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    data->featureLevel = (D3D_FEATURE_LEVEL) 0;
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    data->vertexCount = 0;
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   134
    data->loadingComplete = false;
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   135
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    // TODO: Create Direct3D Object(s)
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   137
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   138
    //renderer->WindowEvent = D3D11_WindowEvent;
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   139
    //renderer->CreateTexture = D3D11_CreateTexture;
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   140
    //renderer->UpdateTexture = D3D11_UpdateTexture;
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   141
    //renderer->LockTexture = D3D11_LockTexture;
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    //renderer->UnlockTexture = D3D11_UnlockTexture;
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   143
    //renderer->SetRenderTarget = D3D11_SetRenderTarget;
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    renderer->UpdateViewport = D3D11_UpdateViewport;
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    //renderer->RenderClear = D3D11_RenderClear;
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   146
    //renderer->RenderDrawPoints = D3D11_RenderDrawPoints;
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   147
    //renderer->RenderDrawLines = D3D11_RenderDrawLines;
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   148
    //renderer->RenderFillRects = D3D11_RenderFillRects;
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   149
    //renderer->RenderCopy = D3D11_RenderCopy;
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    //renderer->RenderCopyEx = D3D11_RenderCopyEx;
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   151
    //renderer->RenderReadPixels = D3D11_RenderReadPixels;
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   152
    renderer->RenderPresent = D3D11_RenderPresent;
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   153
    //renderer->DestroyTexture = D3D11_DestroyTexture;
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   154
    //renderer->DestroyRenderer = D3D11_DestroyRenderer;
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   155
    renderer->info = D3D11_RenderDriver.info;
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   156
    renderer->driverdata = data;
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   157
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    renderer->info.flags = SDL_RENDERER_ACCELERATED;
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   159
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    //SDL_VERSION(&windowinfo.version);
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   161
    //SDL_GetWindowWMInfo(window, &windowinfo);
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   162
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    //window_flags = SDL_GetWindowFlags(window);
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    //SDL_GetWindowSize(window, &w, &h);
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   165
    //SDL_GetWindowDisplayMode(window, &fullscreen_mode);
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   166
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   167
    //SDL_zero(pparams);
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   168
    //pparams.hDeviceWindow = windowinfo.info.win.window;
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   169
    //pparams.BackBufferWidth = w;
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   170
    //pparams.BackBufferHeight = h;
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   171
    //if (window_flags & SDL_WINDOW_FULLSCREEN) {
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   172
    //    pparams.BackBufferFormat =
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   173
    //        PixelFormatToD3DFMT(fullscreen_mode.format);
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   174
    //} else {
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    //    pparams.BackBufferFormat = D3DFMT_UNKNOWN;
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   176
    //}
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    //pparams.BackBufferCount = 1;
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    //pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;
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   179
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   180
    //if (window_flags & SDL_WINDOW_FULLSCREEN) {
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   181
    //    pparams.Windowed = FALSE;
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    //    pparams.FullScreen_RefreshRateInHz =
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   183
    //        fullscreen_mode.refresh_rate;
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   184
    //} else {
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   185
    //    pparams.Windowed = TRUE;
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   186
    //    pparams.FullScreen_RefreshRateInHz = 0;
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   187
    //}
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   188
    //if (flags & SDL_RENDERER_PRESENTVSYNC) {
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   189
    //    pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
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   190
    //} else {
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   191
    //    pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
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   192
    //}
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   193
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   194
    ///* FIXME: Which adapter? */
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   195
    //data->adapter = D3DADAPTER_DEFAULT;
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   196
    //IDirect3D9_GetDeviceCaps(data->d3d, data->adapter, D3DDEVTYPE_HAL, &caps);
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   197
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   198
    //result = IDirect3D9_CreateDevice(data->d3d, data->adapter,
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   199
    //                                 D3DDEVTYPE_HAL,
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   200
    //                                 pparams.hDeviceWindow,
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   201
    //                                 D3DCREATE_FPU_PRESERVE | ((caps.
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   202
    //                                  DevCaps &
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   203
    //                                  D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
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   204
    //                                 D3DCREATE_HARDWARE_VERTEXPROCESSING :
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   205
    //                                 D3DCREATE_SOFTWARE_VERTEXPROCESSING),
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   206
    //                                 &pparams, &data->device);
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   207
    //if (FAILED(result)) {
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   208
    //    D3D11_DestroyRenderer(renderer);
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   209
    //    D3D11_SetError("CreateDevice()", result);
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   210
    //    return NULL;
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   211
    //}
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   212
    //data->beginScene = SDL_TRUE;
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   213
    //data->scaleMode = D3DTEXF_FORCE_DWORD;
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   214
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   215
    ///* Get presentation parameters to fill info */
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   216
    //result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
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   217
    //if (FAILED(result)) {
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   218
    //    D3D11_DestroyRenderer(renderer);
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   219
    //    D3D11_SetError("GetSwapChain()", result);
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   220
    //    return NULL;
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   221
    //}
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   222
    //result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
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   223
    //if (FAILED(result)) {
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   224
    //    IDirect3DSwapChain9_Release(chain);
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   225
    //    D3D11_DestroyRenderer(renderer);
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   226
    //    D3D11_SetError("GetPresentParameters()", result);
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   227
    //    return NULL;
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   228
    //}
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   229
    //IDirect3DSwapChain9_Release(chain);
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   230
    //if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
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   231
    //    renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
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    //}
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    //data->pparams = pparams;
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    //IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
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    //renderer->info.max_texture_width = caps.MaxTextureWidth;
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    //renderer->info.max_texture_height = caps.MaxTextureHeight;
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    //if (caps.NumSimultaneousRTs >= 2) {
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    //    renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
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    //}
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    ///* Set up parameters for rendering */
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    //IDirect3DDevice9_SetVertexShader(data->device, NULL);
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    //IDirect3DDevice9_SetFVF(data->device,
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    //                        D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1);
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    //IDirect3DDevice9_SetRenderState(data->device, D3DRS_ZENABLE, D3DZB_FALSE);
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    //IDirect3DDevice9_SetRenderState(data->device, D3DRS_CULLMODE,
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    //                                D3DCULL_NONE);
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    //IDirect3DDevice9_SetRenderState(data->device, D3DRS_LIGHTING, FALSE);
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    ///* Enable color modulation by diffuse color */
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLOROP,
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    //                                      D3DTOP_MODULATE);
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLORARG1,
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    //                                      D3DTA_TEXTURE);
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_COLORARG2,
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    //                                      D3DTA_DIFFUSE);
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    ///* Enable alpha modulation by diffuse alpha */
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAOP,
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    //                                      D3DTOP_MODULATE);
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAARG1,
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    //                                      D3DTA_TEXTURE);
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    //IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAARG2,
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    //                                      D3DTA_DIFFUSE);
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    ///* Disable second texture stage, since we're done */
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    //IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_COLOROP,
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    //                                      D3DTOP_DISABLE);
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    //IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_ALPHAOP,
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    //                                      D3DTOP_DISABLE);
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    ///* Store the default render target */
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    //IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget );
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    //data->currentRenderTarget = NULL;
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    ///* Set an identity world and view matrix */
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    //matrix.m[0][0] = 1.0f;
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    //matrix.m[0][1] = 0.0f;
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    //matrix.m[0][2] = 0.0f;
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    //matrix.m[0][3] = 0.0f;
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    //matrix.m[1][0] = 0.0f;
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    //matrix.m[1][1] = 1.0f;
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    //matrix.m[1][2] = 0.0f;
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    //matrix.m[1][3] = 0.0f;
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    //matrix.m[2][0] = 0.0f;
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    //matrix.m[2][1] = 0.0f;
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    //matrix.m[2][2] = 1.0f;
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    //matrix.m[2][3] = 0.0f;
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    //matrix.m[3][0] = 0.0f;
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    //matrix.m[3][1] = 0.0f;
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    //matrix.m[3][2] = 0.0f;
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    //matrix.m[3][3] = 1.0f;
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    //IDirect3DDevice9_SetTransform(data->device, D3DTS_WORLD, &matrix);
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    //IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, &matrix);
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   293
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    return renderer;
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   295
}
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   296
8410
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static bool
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D3D11_ReadFileContents(const wstring & fileName, vector<char> & out)
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{
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    ifstream in(fileName, ios::in | ios::binary);
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    if (!in) {
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        return false;
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    }
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   304
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   305
    in.seekg(0, ios::end);
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    out.resize((size_t) in.tellg());
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    in.seekg(0, ios::beg);
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    in.read(&out[0], out.size());
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    return in.good();
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   310
}
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   311
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static bool
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D3D11_ReadShaderContents(const wstring & shaderName, vector<char> & out)
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{
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    wstring fileName;
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   316
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   317
#if WINAPI_FAMILY == WINAPI_FAMILY_APP
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    fileName = SDL_WinRTGetInstalledLocationPath();
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    fileName += L"\\SDL_VS2012_WinRT\\";
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#elif WINAPI_FAMILY == WINAPI_PHONE_APP
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    fileName = SDL_WinRTGetInstalledLocationPath();
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    fileName += L"\\";
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   323
#endif
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   324
    // WinRT, TODO: test Direct3D 11.1 shader loading on Win32
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    fileName += shaderName;
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   326
    return D3D11_ReadFileContents(fileName, out);
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   327
}
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   328
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HRESULT
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WINRT_CreateDeviceResources(SDL_Renderer * renderer)
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{
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   332
    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
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   333
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    // This flag adds support for surfaces with a different color channel ordering
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    // than the API default. It is required for compatibility with Direct2D.
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    UINT creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
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   337
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   338
#if defined(_DEBUG)
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    // If the project is in a debug build, enable debugging via SDK Layers with this flag.
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    creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
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   341
#endif
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   342
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diff changeset
   343
    // This array defines the set of DirectX hardware feature levels this app will support.
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diff changeset
   344
    // Note the ordering should be preserved.
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   345
    // Don't forget to declare your application's minimum required feature level in its
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diff changeset
   346
    // description.  All applications are assumed to support 9.1 unless otherwise stated.
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diff changeset
   347
    D3D_FEATURE_LEVEL featureLevels[] = 
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diff changeset
   348
    {
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diff changeset
   349
        D3D_FEATURE_LEVEL_11_1,
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diff changeset
   350
        D3D_FEATURE_LEVEL_11_0,
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diff changeset
   351
        D3D_FEATURE_LEVEL_10_1,
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diff changeset
   352
        D3D_FEATURE_LEVEL_10_0,
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diff changeset
   353
        D3D_FEATURE_LEVEL_9_3,
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diff changeset
   354
        D3D_FEATURE_LEVEL_9_2,
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diff changeset
   355
        D3D_FEATURE_LEVEL_9_1
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diff changeset
   356
    };
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diff changeset
   357
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diff changeset
   358
    // Create the Direct3D 11 API device object and a corresponding context.
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diff changeset
   359
    ComPtr<ID3D11Device> device;
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parents: 8401
diff changeset
   360
    ComPtr<ID3D11DeviceContext> context;
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parents: 8401
diff changeset
   361
    HRESULT result = S_OK;
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parents: 8401
diff changeset
   362
    result = D3D11CreateDevice(
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parents: 8401
diff changeset
   363
        nullptr, // Specify nullptr to use the default adapter.
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parents: 8401
diff changeset
   364
        D3D_DRIVER_TYPE_HARDWARE,
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parents: 8401
diff changeset
   365
        nullptr,
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parents: 8401
diff changeset
   366
        creationFlags, // Set set debug and Direct2D compatibility flags.
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parents: 8401
diff changeset
   367
        featureLevels, // List of feature levels this app can support.
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parents: 8401
diff changeset
   368
        ARRAYSIZE(featureLevels),
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parents: 8401
diff changeset
   369
        D3D11_SDK_VERSION, // Always set this to D3D11_SDK_VERSION for Windows Store apps.
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diff changeset
   370
        &device, // Returns the Direct3D device created.
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parents: 8401
diff changeset
   371
        &data->featureLevel, // Returns feature level of device created.
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diff changeset
   372
        &context // Returns the device immediate context.
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diff changeset
   373
        );
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parents: 8401
diff changeset
   374
    if (FAILED(result)) {
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parents: 8401
diff changeset
   375
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
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parents: 8401
diff changeset
   376
        return result;
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parents: 8401
diff changeset
   377
    }
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parents: 8401
diff changeset
   378
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diff changeset
   379
    // Get the Direct3D 11.1 API device and context interfaces.
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parents: 8401
diff changeset
   380
    Microsoft::WRL::ComPtr<ID3D11Device1> d3dDevice1;
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parents: 8401
diff changeset
   381
    result = device.As(&(data->d3dDevice));
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parents: 8401
diff changeset
   382
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   383
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
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parents: 8401
diff changeset
   384
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
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parents: 8401
diff changeset
   385
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   386
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
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parents: 8401
diff changeset
   387
    result = context.As(&data->d3dContext);
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parents: 8401
diff changeset
   388
    if (FAILED(result)) {
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parents: 8401
diff changeset
   389
        return result;
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parents: 8401
diff changeset
   390
    }
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parents: 8401
diff changeset
   391
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parents: 8401
diff changeset
   392
    // Start loading GPU shaders:
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parents: 8401
diff changeset
   393
    vector<char> fileData;
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parents: 8401
diff changeset
   394
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   395
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
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parents: 8401
diff changeset
   396
    // Load in SDL's one and only vertex shader:
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David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   397
    //
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parents: 8401
diff changeset
   398
    if (!D3D11_ReadShaderContents(L"SimpleVertexShader.cso", fileData)) {
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David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   399
        SDL_SetError("Unable to open SDL's vertex shader file.");
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parents: 8401
diff changeset
   400
        return E_FAIL;
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David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   401
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   402
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   403
    result = data->d3dDevice->CreateVertexShader(
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   404
        &fileData[0],
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   405
        fileData.size(),
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   406
        nullptr,
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David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   407
        &data->vertexShader
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   408
        );
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   409
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   410
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   411
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   412
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   413
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   414
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   415
    // Create an input layout for SDL's vertex shader:
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   416
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   417
    const D3D11_INPUT_ELEMENT_DESC vertexDesc[] = 
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   418
    {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   419
        { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0,  D3D11_INPUT_PER_VERTEX_DATA, 0 },
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   420
        { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   421
    };
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   422
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   423
    result = data->d3dDevice->CreateInputLayout(
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   424
        vertexDesc,
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   425
        ARRAYSIZE(vertexDesc),
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   426
        &fileData[0],
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   427
        fileData.size(),
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   428
        &data->inputLayout
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   429
        );
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   430
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   431
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   432
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   433
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   434
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   435
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   436
    // Load in SDL's one and only pixel shader (for now, more are likely to follow):
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   437
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   438
    if (!D3D11_ReadShaderContents(L"SimplePixelShader.cso", fileData)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   439
        SDL_SetError("Unable to open SDL's pixel shader file.");
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   440
        return E_FAIL;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   441
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   442
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   443
    result = data->d3dDevice->CreatePixelShader(
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   444
        &fileData[0],
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   445
        fileData.size(),
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   446
        nullptr,
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   447
        &data->pixelShader
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   448
        );
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   449
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   450
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   451
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   452
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   453
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   454
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   455
    // Create a vertex buffer:
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   456
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   457
    VertexPositionColor vertices[] = 
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   458
    {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   459
        {XMFLOAT3(-1.0f, -1.0f, 0.0f), XMFLOAT2(0.0f, 1.0f)},
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   460
        {XMFLOAT3(-1.0f, 1.0f, 0.0f), XMFLOAT2(0.0f, 0.0f)},
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   461
        {XMFLOAT3(1.0f, -1.0f, 0.0f), XMFLOAT2(1.0f, 1.0f)},
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   462
        {XMFLOAT3(1.0f, 1.0f, 0.0f), XMFLOAT2(1.0f, 0.0f)},
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   463
    };
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   464
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   465
    data->vertexCount = ARRAYSIZE(vertices);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   466
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   467
    D3D11_SUBRESOURCE_DATA vertexBufferData = {0};
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   468
    vertexBufferData.pSysMem = vertices;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   469
    vertexBufferData.SysMemPitch = 0;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   470
    vertexBufferData.SysMemSlicePitch = 0;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   471
    CD3D11_BUFFER_DESC vertexBufferDesc(sizeof(vertices), D3D11_BIND_VERTEX_BUFFER);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   472
    result = data->d3dDevice->CreateBuffer(
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   473
        &vertexBufferDesc,
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   474
        &vertexBufferData,
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   475
        &data->vertexBuffer
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   476
        );
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   477
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   478
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   479
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   480
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   481
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   482
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   483
    // Create a sampler to use when drawing textures:
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   484
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   485
    D3D11_SAMPLER_DESC samplerDesc;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   486
    samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   487
    samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   488
    samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   489
    samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   490
    samplerDesc.MipLODBias = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   491
    samplerDesc.MaxAnisotropy = 1;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   492
    samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   493
    samplerDesc.BorderColor[0] = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   494
    samplerDesc.BorderColor[1] = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   495
    samplerDesc.BorderColor[2] = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   496
    samplerDesc.BorderColor[3] = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   497
    samplerDesc.MinLOD = 0.0f;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   498
    samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   499
    result = data->d3dDevice->CreateSamplerState(
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   500
        &samplerDesc,
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   501
        &data->mainSampler
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   502
        );
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   503
    if (FAILED(result)) {
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   504
        WIN_SetErrorFromHRESULT(__FUNCTION__, result);
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   505
        return result;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   506
    }
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   507
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   508
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   509
    // All done!
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   510
    //
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   511
    data->loadingComplete = true;       // This variable can probably be factored-out
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   512
    return S_OK;
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   513
}
ba725b3a0c87 WinRT: more code-moving from SDL_winrtrenderer* to SDL_render_d3d11*
David Ludwig <dludwig@pobox.com>
parents: 8401
diff changeset
   514
8400
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   515
static int
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   516
D3D11_UpdateViewport(SDL_Renderer * renderer)
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   517
{
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   518
    return 0;
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   519
}
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   520
8401
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   521
static void
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   522
D3D11_RenderPresent(SDL_Renderer * renderer)
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   523
{
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   524
    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   525
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   526
#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   527
    // The first argument instructs DXGI to block until VSync, putting the application
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   528
    // to sleep until the next VSync. This ensures we don't waste any cycles rendering
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   529
    // frames that will never be displayed to the screen.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   530
    HRESULT hr = data->swapChain->Present(1, 0);
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   531
#else
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   532
    // The application may optionally specify "dirty" or "scroll"
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   533
    // rects to improve efficiency in certain scenarios.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   534
    // This option is not available on Windows Phone 8, to note.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   535
    DXGI_PRESENT_PARAMETERS parameters = {0};
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   536
    parameters.DirtyRectsCount = 0;
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   537
    parameters.pDirtyRects = nullptr;
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   538
    parameters.pScrollRect = nullptr;
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   539
    parameters.pScrollOffset = nullptr;
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   540
    
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   541
    // The first argument instructs DXGI to block until VSync, putting the application
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   542
    // to sleep until the next VSync. This ensures we don't waste any cycles rendering
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   543
    // frames that will never be displayed to the screen.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   544
    HRESULT hr = data->swapChain->Present1(1, 0, &parameters);
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   545
#endif
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   546
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   547
    // Discard the contents of the render target.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   548
    // This is a valid operation only when the existing contents will be entirely
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   549
    // overwritten. If dirty or scroll rects are used, this call should be removed.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   550
    data->d3dContext->DiscardView(data->renderTargetView.Get());
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   551
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   552
    // If the device was removed either by a disconnect or a driver upgrade, we 
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   553
    // must recreate all device resources.
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   554
    if (hr == DXGI_ERROR_DEVICE_REMOVED)
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   555
    {
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   556
        extern void WINRT_HandleDeviceLost();   // TODO, WinRT: move lost-device handling into the Direct3D 11.1 renderer, as appropriate
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   557
        WINRT_HandleDeviceLost();
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   558
    }
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   559
    else
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   560
    {
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   561
        WIN_SetErrorFromHRESULT(__FUNCTION__, hr);
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   562
        // TODO, WinRT: consider throwing an exception if D3D11_RenderPresent fails, especially if there is a way to salvedge debug info from users' machines
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   563
    }
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   564
}
29ecd2eca4af WinRT: moved a bit more Direct3D 11.1 code into the SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents: 8400
diff changeset
   565
8400
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   566
#endif /* SDL_VIDEO_RENDER_D3D && !SDL_RENDER_DISABLED */
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   567
1315402d9028 WinRT: started refactoring Direct3D 11.1 code into a new SDL_Renderer backend
David Ludwig <dludwig@pobox.com>
parents:
diff changeset
   568
/* vi: set ts=4 sw=4 expandtab: */