Function opengl_InitCache

renderer/HardwareOpenGL.cpp:282–324

}

int opengl_InitCache(void) {

  OpenGL_bitmap_remap = (uint16_t *)mem_malloc(MAX_BITMAPS * 2);
  ASSERT(OpenGL_bitmap_remap);
  OpenGL_lightmap_remap = (uint16_t *)mem_malloc(MAX_LIGHTMAPS * 2);
  ASSERT(OpenGL_lightmap_remap);

  OpenGL_bitmap_states = (uint8_t *)mem_malloc(MAX_BITMAPS);
  ASSERT(OpenGL_bitmap_states);
  OpenGL_lightmap_states = (uint8_t *)mem_malloc(MAX_LIGHTMAPS);
  ASSERT(OpenGL_lightmap_states);

  Cur_texture_object_num = 1;

  // Setup textures and cacheing
  int i;
  for (i = 0; i < MAX_BITMAPS; i++) {
    OpenGL_bitmap_remap[i] = 65535;
    OpenGL_bitmap_states[i] = 255;
    GameBitmaps[i].flags |= BF_CHANGED | BF_BRAND_NEW;
  }

  for (i = 0; i < MAX_LIGHTMAPS; i++) {
    OpenGL_lightmap_remap[i] = 65535;
    OpenGL_lightmap_states[i] = 255;
    GameLightmaps[i].flags |= LF_CHANGED | LF_BRAND_NEW;
  }

  dglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

  if (UseMultitexture) {
#if (defined(_USE_OGL_ACTIVE_TEXTURES))
    oglActiveTextureARB(GL_TEXTURE0_ARB + 1);
    dglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
    oglActiveTextureARB(GL_TEXTURE0_ARB + 0);
#endif
  }

  CHECK_ERROR(3)

  OpenGL_cache_initted = 1;
  return 1;
}

// Sets default states for our renderer
void opengl_SetDefaults() {