C++ (Cpp) _mesa_new_s8_renderbuffer_wrapper Examples

Example #1

File: framebuffer.c Project: GunioRobot/mesa-7.10.2-PS3

/**
 * 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);
   }
}

Example #2

File: framebuffer.c Project: astrofimov/vgallium

/**
 * 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(GLcontext *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 && stencilRb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
      /* The attached stencil buffer is a GL_DEPTH_STENCIL renderbuffer */
      if (!fb->_StencilBuffer
          || fb->_StencilBuffer->Wrapped != stencilRb
          || fb->_StencilBuffer->_BaseFormat != 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);
   }
}