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additional comments about GL_DEPTH_STENCIL buffers

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This commit is contained in:
Brian Paul 2005-11-16 04:17:20 +00:00
parent 94f70fab64
commit 0f29ef6092
1 changed files with 9 additions and 2 deletions
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11
src/mesa/main/framebuffer.c
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@ -444,9 +444,12 @@ set_stencil_renderbuffer(struct gl_framebuffer *fb,
* _ColorDrawBuffers
* _NumColorDrawBuffers
* _ColorReadBuffer
* _DepthBuffer
* _StencilBuffer
* If the current framebuffer is user-created, make sure it's complete.
* The following functions can effect this state: glReadBuffer,
* glDrawBuffer, glDrawBuffersARB, glFramebufferRenderbufferEXT.
* glDrawBuffer, glDrawBuffersARB, glFramebufferRenderbufferEXT,
* glRenderbufferStorageEXT.
*/
void
_mesa_update_framebuffer(GLcontext *ctx)
@ -504,7 +507,9 @@ _mesa_update_framebuffer(GLcontext *ctx)
/*
* Deal with GL_DEPTH_STENCIL renderbuffer(s) attached to the depth
* and/or stencil attachment points.
* and/or stencil attachment points. If either of the DEPTH or STENCIL
* renderbuffer attachments are GL_DEPTH_STENCIL buffers, we need to set
* up depth/stencil renderbuffer wrappers.
*/
{
struct gl_renderbuffer *depthRb
@ -513,6 +518,7 @@ _mesa_update_framebuffer(GLcontext *ctx)
= fb->Attachment[BUFFER_STENCIL].Renderbuffer;
if (depthRb && depthRb->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
/* The attached depth buffer is a GL_DEPTH_STENCIL renderbuffer */
if (!fb->_DepthBuffer || fb->_DepthBuffer->Wrapped != depthRb) {
/* need to update wrapper */
struct gl_renderbuffer *wrapper
@ -527,6 +533,7 @@ _mesa_update_framebuffer(GLcontext *ctx)
}
if (stencilRb && stencilRb->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
/* The attached stencil buffer is a GL_DEPTH_STENCIL renderbuffer */
if (!fb->_StencilBuffer || fb->_StencilBuffer->Wrapped != stencilRb) {
/* need to update wrapper */
struct gl_renderbuffer *wrapper