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intel: Improve the fallback debug for framebuffer status checks.

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This commit is contained in:
Eric Anholt 2012-02-10 12:24:50 -08:00
parent a1fd13fff1
commit 308c6be802
1 changed files with 17 additions and 2 deletions
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19
src/mesa/drivers/dri/intel/intel_fbo.c
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@ -709,6 +709,10 @@ intel_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
struct intel_mipmap_tree *depth_mt = NULL, *stencil_mt = NULL;
int i;
DBG("%s() on fb %p (%s)\n", __FUNCTION__,
fb, (fb == ctx->DrawBuffer ? "drawbuffer" :
(fb == ctx->ReadBuffer ? "readbuffer" : "other buffer")));
if (depthRb)
depth_mt = depthRb->mt;
if (stencilRb) {
@ -725,13 +729,23 @@ intel_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
*/
if (depthRb->mt_level != stencilRb->mt_level ||
depthRb->mt_layer != stencilRb->mt_layer) {
DBG("depth image level/layer %d/%d != stencil image %d/%d\n",
depthRb->mt_level,
depthRb->mt_layer,
stencilRb->mt_level,
stencilRb->mt_layer);
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
}
} else {
if (!intel->has_separate_stencil)
if (!intel->has_separate_stencil) {
DBG("separate stencil unsupported\n");
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
if (stencil_mt->format != MESA_FORMAT_S8)
}
if (stencil_mt->format != MESA_FORMAT_S8) {
DBG("separate stencil is %s instead of S8\n",
_mesa_get_format_name(stencil_mt->format));
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
}
if (intel->gen < 7 && depth_mt->hiz_mt == NULL) {
/* Before Gen7, separate depth and stencil buffers can be used
* only if HiZ is enabled. From the Sandybridge PRM, Volume 2,
@ -739,6 +753,7 @@ intel_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
* [DevSNB]: This field must be set to the same value (enabled
* or disabled) as Hierarchical Depth Buffer Enable.
*/
DBG("separate stencil without HiZ\n");
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
}
}