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Added SDL_GL_ExtensionSupported()

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Use GL_ARB_texture_rectangle in the OpenGL renderer, if supported.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401971
This commit is contained in:
Sam Lantinga 2006-07-22 21:58:17 +00:00
parent f4ac9ed70c
commit c05ca3687f
4 changed files with 96 additions and 28 deletions
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9
src/video/win32/SDL_win32opengl.c
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@ -196,7 +196,6 @@ WIN_GL_InitExtensions(_THIS)
int pixel_format;
HGLRC hglrc;
const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0;
const GLubyte *(WINAPI * glGetStringFunc) (GLenum);
const char *extensions;
hwnd =
@ -241,14 +240,6 @@ WIN_GL_InitExtensions(_THIS)
}
}
glGetStringFunc = WIN_GL_GetProcAddress(_this, "glGetString");
if (glGetStringFunc) {
extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
} else {
/* Uh oh, something is seriously wrong here... */
extensions = NULL;
}
/* Check for WGL_EXT_swap_control */
if (HasExtension("WGL_EXT_swap_control", extensions)) {
_this->gl_data->wglSwapIntervalEXT =