-/**
- * Update the framebuffer's _DepthBuffer field using the renderbuffer
- * found at the given attachment index.
- *
- * If that attachment points to a combined GL_DEPTH_STENCIL renderbuffer,
- * create and install a depth wrapper/adaptor.
- *
- * \param fb the framebuffer whose _DepthBuffer field to update
- * \param attIndex indicates the renderbuffer to possibly wrap
- */
-void
-_mesa_update_depth_buffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLuint attIndex)
-{
- struct gl_renderbuffer *depthRb;
-
- /* only one possiblity for now */
- ASSERT(attIndex == BUFFER_DEPTH);
-
- depthRb = fb->Attachment[attIndex].Renderbuffer;
-
- if (depthRb && _mesa_is_format_packed_depth_stencil(depthRb->Format)) {
- /* The attached depth buffer is a GL_DEPTH_STENCIL renderbuffer */
- if (!fb->_DepthBuffer
- || fb->_DepthBuffer->Wrapped != depthRb
- || _mesa_get_format_base_format(fb->_DepthBuffer->Format) != GL_DEPTH_COMPONENT) {
- /* need to update wrapper */
- struct gl_renderbuffer *wrapper
- = _mesa_new_z24_renderbuffer_wrapper(ctx, depthRb);
- _mesa_reference_renderbuffer(&fb->_DepthBuffer, wrapper);
- ASSERT(fb->_DepthBuffer->Wrapped == depthRb);
- }
- }
- else {
- /* depthRb may be null */
- _mesa_reference_renderbuffer(&fb->_DepthBuffer, depthRb);
- }
-}
-
-
-/**
- * Update the framebuffer's _StencilBuffer field using the renderbuffer
- * found at the given attachment index.
- *
- * If that attachment points to a combined GL_DEPTH_STENCIL renderbuffer,
- * create and install a stencil wrapper/adaptor.
- *
- * \param fb the framebuffer whose _StencilBuffer field to update
- * \param attIndex indicates the renderbuffer to possibly wrap
- */
-void
-_mesa_update_stencil_buffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLuint attIndex)
-{
- struct gl_renderbuffer *stencilRb;
-
- ASSERT(attIndex == BUFFER_DEPTH ||
- attIndex == BUFFER_STENCIL);
-
- stencilRb = fb->Attachment[attIndex].Renderbuffer;
-
- if (stencilRb && _mesa_is_format_packed_depth_stencil(stencilRb->Format)) {
- /* The attached stencil buffer is a GL_DEPTH_STENCIL renderbuffer */
- if (!fb->_StencilBuffer
- || fb->_StencilBuffer->Wrapped != stencilRb
- || _mesa_get_format_base_format(fb->_StencilBuffer->Format) != GL_STENCIL_INDEX) {
- /* need to update wrapper */
- struct gl_renderbuffer *wrapper
- = _mesa_new_s8_renderbuffer_wrapper(ctx, stencilRb);
- _mesa_reference_renderbuffer(&fb->_StencilBuffer, wrapper);
- ASSERT(fb->_StencilBuffer->Wrapped == stencilRb);
- }
- }
- else {
- /* stencilRb may be null */
- _mesa_reference_renderbuffer(&fb->_StencilBuffer, stencilRb);
- }
-}
-
-