diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_fbo.h')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_fbo.h | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.h b/src/mesa/drivers/dri/intel/intel_fbo.h index 509f588..da0b240 100644 --- a/src/mesa/drivers/dri/intel/intel_fbo.h +++ b/src/mesa/drivers/dri/intel/intel_fbo.h @@ -45,6 +45,18 @@ struct intel_renderbuffer /** Only used by depth renderbuffers for which HiZ is enabled. */ struct intel_region *hiz_region; + /** + * \name Packed depth/stencil unwrappers + * + * If the intel_context is using separate stencil and this renderbuffer has + * a a packed depth/stencil format, then wrapped_depth and wrapped_stencil + * are the real renderbuffers. + */ + struct gl_renderbuffer *wrapped_depth; + struct gl_renderbuffer *wrapped_stencil; + + /** \} */ + GLuint draw_offset; /**< Offset of drawing address within the region */ GLuint draw_x, draw_y; /**< Offset of drawing within the region */ }; @@ -76,15 +88,47 @@ intel_renderbuffer(struct gl_renderbuffer *rb) /** - * Return a framebuffer's renderbuffer, named by a BUFFER_x index. + * \brief Return the framebuffer attachment specified by attIndex. + * + * If the framebuffer lacks the specified attachment, then return null. + * + * If the attached renderbuffer is a wrapper, then return wrapped + * renderbuffer. */ static INLINE struct intel_renderbuffer * -intel_get_renderbuffer(struct gl_framebuffer *fb, int attIndex) +intel_get_renderbuffer(struct gl_framebuffer *fb, gl_buffer_index attIndex) { - if (attIndex >= 0) - return intel_renderbuffer(fb->Attachment[attIndex].Renderbuffer); - else + struct gl_renderbuffer *rb; + struct intel_renderbuffer *irb; + + /* XXX: Who passes -1 to intel_get_renderbuffer? */ + if (attIndex < 0) + return NULL; + + rb = fb->Attachment[attIndex].Renderbuffer; + if (!rb) return NULL; + + irb = intel_renderbuffer(rb); + if (!irb) + return NULL; + + switch (attIndex) { + case BUFFER_DEPTH: + if (irb->wrapped_depth) { + irb = intel_renderbuffer(irb->wrapped_depth); + } + break; + case BUFFER_STENCIL: + if (irb->wrapped_stencil) { + irb = intel_renderbuffer(irb->wrapped_stencil); + } + break; + default: + break; + } + + return irb; } /** |