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Added glcaps.c ...
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#ifdef _WINDOWS | ||
#define WIN32_LEAN_AND_MEAN 1 | ||
#include <windows.h> | ||
#endif | ||
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#include <stdio.h> | ||
#define GL_GLEXT_PROTOTYPES 1 | ||
#include "GL/gl.h" | ||
#include "GL/glext.h" | ||
#include "SDL.h" | ||
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typedef WINGDIAPI const GLubyte * (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params); | ||
typedef WINGDIAPI const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name); | ||
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int main(int argc, char **argv) | ||
{ | ||
GLint val = 0; | ||
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SDL_Init(SDL_INIT_VIDEO); | ||
SDL_GL_LoadLibrary(NULL); | ||
SDL_SetVideoMode(640, 480, 0, SDL_OPENGL); | ||
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PFNGLGETSTRINGPROC pglGetString = (PFNGLGETSTRINGPROC) SDL_GL_GetProcAddress("glGetString"); | ||
PFNGLGETINTEGERVPROC pglGetIntegerv = (PFNGLGETINTEGERVPROC) SDL_GL_GetProcAddress("glGetIntegerv"); | ||
PFNGLGETPROGRAMIVARBPROC pglGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC) SDL_GL_GetProcAddress("glGetProgramivARB"); | ||
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printf("Basic strings...\n\n"); | ||
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#define getval(x) printf(#x ": %s\n", pglGetString(x)) | ||
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getval(GL_RENDERER); | ||
getval(GL_VERSION); | ||
getval(GL_VENDOR); | ||
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#undef getval | ||
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printf("\nExtensions...\n\n"); | ||
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const GLubyte *ext = pglGetString(GL_EXTENSIONS); | ||
while (*ext) | ||
{ | ||
fputc((*ext == ' ') ? '\n' : ((int) *ext), stdout); | ||
ext++; | ||
} // while | ||
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ext--; | ||
if (*ext != ' ') | ||
printf("\n"); | ||
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printf("\nARB1 values...\n\n"); | ||
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if (pglGetProgramivARB == NULL) | ||
printf(" (unsupported.)\n"); | ||
else | ||
{ | ||
#define getval(x) \ | ||
val = -1; \ | ||
pglGetProgramivARB(GL_VERTEX_PROGRAM_ARB, x, &val); \ | ||
printf(#x ": %d\n", (int) val); | ||
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getval(GL_MAX_PROGRAM_INSTRUCTIONS_ARB); | ||
getval(GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB); | ||
getval(GL_MAX_PROGRAM_TEMPORARIES_ARB); | ||
getval(GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB); | ||
getval(GL_MAX_PROGRAM_PARAMETERS_ARB); | ||
getval(GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB); | ||
getval(GL_MAX_PROGRAM_ATTRIBS_ARB); | ||
getval(GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB); | ||
getval(GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB); | ||
getval(GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB); | ||
getval(GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB); | ||
getval(GL_MAX_PROGRAM_ENV_PARAMETERS_ARB); | ||
getval(GL_MAX_PROGRAM_PARAMETERS_ARB); | ||
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#undef getval | ||
} // else | ||
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printf("\nGLSL values...\n\n"); | ||
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#define getval(x) \ | ||
val = -1; \ | ||
pglGetIntegerv(x, &val); \ | ||
printf(#x ": %d\n", (int) val); | ||
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getval(GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB); | ||
getval(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB); | ||
getval(GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB); | ||
getval(GL_MAX_VARYING_FLOATS_ARB); | ||
getval(GL_MAX_VERTEX_ATTRIBS_ARB); | ||
getval(GL_MAX_TEXTURE_IMAGE_UNITS_ARB); | ||
getval(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB); | ||
getval(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB); | ||
getval(GL_MAX_TEXTURE_COORDS_ARB); | ||
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#undef getval | ||
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SDL_Quit(); | ||
printf("\n"); | ||
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return 0; | ||
} | ||
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