diff options
author | Brian Paul <brianp@vmware.com> | 2010-08-22 19:34:53 -0600 |
---|---|---|
committer | Brian Paul <brianp@vmware.com> | 2010-08-22 19:40:26 -0600 |
commit | 24bd9780bcf400a00f6fc5a89b1648c7e3b7df07 (patch) | |
tree | b35f7e6667d3c4667e9dbc016158af3c33dc3b51 /src/mesa/state_tracker | |
parent | 428a3cd2d537a42c8a01765a5a53dca139e07443 (diff) |
st/mesa: added st_is_depth_stencil_combined() function
This code is part of a patch by Marek Olšák.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 24 | ||||
-rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.h | 5 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index 48d83ded55..71bd4729e0 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -448,6 +448,30 @@ st_validate_attachment(struct pipe_screen *screen, /** + * Check if two renderbuffer attachments name a combined depth/stencil + * renderbuffer. + */ +GLboolean +st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, + const struct gl_renderbuffer_attachment *stencil) +{ + assert(depth && stencil); + + if (depth->Type == stencil->Type) { + if (depth->Type == GL_RENDERBUFFER_EXT && + depth->Renderbuffer == stencil->Renderbuffer) + return GL_TRUE; + + if (depth->Type == GL_TEXTURE && + depth->Texture == stencil->Texture) + return GL_TRUE; + } + + return GL_FALSE; +} + + +/** * Check that the framebuffer configuration is valid in terms of what * the driver can support. * diff --git a/src/mesa/state_tracker/st_cb_fbo.h b/src/mesa/state_tracker/st_cb_fbo.h index 62a9bbcb25..3e9815c1b1 100644 --- a/src/mesa/state_tracker/st_cb_fbo.h +++ b/src/mesa/state_tracker/st_cb_fbo.h @@ -88,4 +88,9 @@ st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, struct pipe_context *pipe); +extern GLboolean +st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, + const struct gl_renderbuffer_attachment *stencil); + + #endif /* ST_CB_FBO_H */ |