diff options
| -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 48d83ded552..71bd4729e03 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 62a9bbcb25f..3e9815c1b13 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 */ |