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OpenGL2: Vertex array object support.

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This commit is contained in:
SmileTheory 2014-10-14 01:50:44 -07:00
parent 873a02bd3c
commit 84206c8598
19 changed files with 582 additions and 666 deletions
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27
code/renderergl2/tr_extensions.c
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@ -178,6 +178,12 @@ void (APIENTRY * qglRenderbufferStorageMultisampleEXT)(GLenum target, GLsizei sa
// GL_ARB_draw_buffers
void (APIENTRY * qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
// GL_ARB_vertex_array_object
void (APIENTRY * qglBindVertexArrayARB)(GLuint array);
void (APIENTRY * qglDeleteVertexArraysARB)(GLsizei n, const GLuint *arrays);
void (APIENTRY * qglGenVertexArraysARB)(GLsizei n, GLuint *arrays);
GLboolean (APIENTRY * qglIsVertexArrayARB)(GLuint array);
static qboolean GLimp_HaveExtension(const char *ext)
{
const char *ptr = Q_stristr( glConfig.extensions_string, ext );
@ -682,4 +688,25 @@ void GLimp_InitExtraExtensions()
// use float lightmaps?
glRefConfig.floatLightmap = (glRefConfig.textureFloat && glRefConfig.halfFloatPixel && r_floatLightmap->integer && r_hdr->integer);
// GL_ARB_vertex_array_object
extension = "GL_ARB_vertex_array_object";
glRefConfig.vertexArrayObject = qfalse;
if( GLimp_HaveExtension( extension ) )
{
qglBindVertexArrayARB = (void *) SDL_GL_GetProcAddress("glBindVertexArray");
qglDeleteVertexArraysARB = (void *) SDL_GL_GetProcAddress("glDeleteVertexArrays");
qglGenVertexArraysARB = (void *) SDL_GL_GetProcAddress("glGenVertexArrays");
qglIsVertexArrayARB = (void *) SDL_GL_GetProcAddress("glIsVertexArray");
if (r_arb_vertex_array_object->integer)
glRefConfig.vertexArrayObject = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.vertexArrayObject ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
}