From 6c46b49d12b33b04546bee137f75ca7649e9a4ef Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 14 Aug 2008 10:53:59 -0600 Subject: [PATCH] gallium: added queries to determin GL_EXT_packed_depth_stencil support --- src/mesa/state_tracker/st_extensions.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index b7444b298cf..60fd440ef77 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -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)) { -- 2.30.2