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authorBrian Paul <brianp@vmware.com>2009-01-22 15:32:38 -0700
committerBrian Paul <brianp@vmware.com>2009-01-22 15:32:38 -0700
commit71b78149bdb3d0d92b004aed29edcf9ea1a440a8 (patch)
treee17f7084ce81850013eaccebea911b45d6fc7387 /src/mesa
parentd1eca7f558fa3a20cfe1fe78125d8b7f7751def6 (diff)
i965: disallow separate depth/stencil renderbuffers
Take advantage of the GL_FRAMEBUFFER_UNSUPPORTED feature to disallow separate depth and stencil renderbuffers; only allow combined depth/stencil buffers. Next up: remove/simplify a bunch of the depth/stencil renderbuffer code. Also: restore the previously disabled GL_DEPTH_COMPONENT16 case
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/intel/intel_fbo.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 81cd8dd41d..ffe55bf19b 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -168,18 +168,11 @@ intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
cpp = 4;
break;
case GL_DEPTH_COMPONENT16:
-#if 0
rb->_ActualFormat = GL_DEPTH_COMPONENT16;
rb->DataType = GL_UNSIGNED_SHORT;
rb->DepthBits = 16;
cpp = 2;
break;
-#else
- /* fall-through.
- * 16bpp depth renderbuffer can't be paired with a stencil buffer so
- * always used combined depth/stencil format.
- */
-#endif
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
@@ -636,10 +629,17 @@ intel_finish_render_texture(GLcontext * ctx,
static void
intel_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
{
- /* no-op for now.
- * Eventually: examine the renderbuffers/textures and make sure it's
- * supported by the hw.
- */
+ const struct intel_renderbuffer *depthRb =
+ intel_get_renderbuffer(fb, BUFFER_DEPTH);
+ const struct intel_renderbuffer *stencilRb =
+ intel_get_renderbuffer(fb, BUFFER_STENCIL);
+
+ if (stencilRb && stencilRb != depthRb) {
+ /* we only support combined depth/stencil buffers, not separate
+ * stencil buffers.
+ */
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
+ }
}