Commit 6c46b49d authored by Brian Paul's avatar Brian Paul

gallium: added queries to determin GL_EXT_packed_depth_stencil support

parent 19aee901
......@@ -218,6 +218,26 @@ void st_init_extensions(struct st_context *st)
/*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/
}
/* GL_EXT_packed_depth_stencil requires both the ability to render to
* a depth/stencil buffer and texture from depth/stencil source.
*/
if (screen->is_format_supported(screen, PIPE_FORMAT_Z24S8_UNORM,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0) &&
screen->is_format_supported(screen, PIPE_FORMAT_Z24S8_UNORM,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
}
else if (screen->is_format_supported(screen, PIPE_FORMAT_S8Z24_UNORM,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0) &&
screen->is_format_supported(screen, PIPE_FORMAT_S8Z24_UNORM,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
}
if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SRGB,
PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
......
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