Mesa (master): intel: Add more fallback debugging for glDrawPixels.
Eric Anholt
anholt at kemper.freedesktop.org
Fri Oct 31 23:04:58 UTC 2008
Module: Mesa
Branch: master
Commit: ed478a5fdeded932f09a73bc0af12e010b9a5cd5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ed478a5fdeded932f09a73bc0af12e010b9a5cd5
Author: Eric Anholt <eric at anholt.net>
Date: Fri Oct 31 13:13:08 2008 -0700
intel: Add more fallback debugging for glDrawPixels.
---
src/mesa/drivers/dri/intel/intel_pixel_draw.c | 41 ++++++++++++++++++++-----
1 files changed, 33 insertions(+), 8 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
index 4a2fbf3..0286bb3 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
@@ -75,19 +75,28 @@ intel_texture_drawpixels(GLcontext * ctx,
/* We're going to mess with texturing with no regard to existing texture
* state, so if there is some set up we have to bail.
*/
- if (ctx->Texture._EnabledUnits != 0)
+ if (ctx->Texture._EnabledUnits != 0) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: texturing enabled\n");
return GL_FALSE;
+ }
/* Can't do textured DrawPixels with a fragment program, unless we were
* to generate a new program that sampled our texture and put the results
* in the fragment color before the user's program started.
*/
- if (ctx->FragmentProgram.Enabled)
+ if (ctx->FragmentProgram.Enabled) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: fragment program enabled\n");
return GL_FALSE;
+ }
/* Don't even want to think about it */
- if (format == GL_COLOR_INDEX)
+ if (format == GL_COLOR_INDEX) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: format == GL_COLOR_INDEX\n");
return GL_FALSE;
+ }
/* We don't have a way to generate fragments with stencil values which *
* will set the resulting stencil value.
@@ -108,8 +117,12 @@ intel_texture_drawpixels(GLcontext * ctx,
* the color buffer, and sample the texture values into the fragment depth
* in a program.
*/
- if (format == GL_DEPTH_COMPONENT)
+ if (format == GL_DEPTH_COMPONENT) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr,
+ "glDrawPixels() fallback: format == GL_DEPTH_COMPONENT\n");
return GL_FALSE;
+ }
_mesa_PushAttrib(GL_ENABLE_BIT | GL_TRANSFORM_BIT | GL_TEXTURE_BIT |
GL_CURRENT_BIT);
@@ -217,8 +230,12 @@ intel_stencil_drawpixels(GLcontext * ctx,
return GL_TRUE;
/* Can't do a per-bit writemask while treating stencil as rgba data. */
- if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff)
+ if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "stencil mask enabled\n");
return GL_FALSE;
+ }
/* We use FBOs for our wrapping of the depthbuffer into a color
* destination.
@@ -229,21 +246,29 @@ intel_stencil_drawpixels(GLcontext * ctx,
/* We're going to mess with texturing with no regard to existing texture
* state, so if there is some set up we have to bail.
*/
- if (ctx->Texture._EnabledUnits != 0)
+ if (ctx->Texture._EnabledUnits != 0) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "texturing enabled\n");
return GL_FALSE;
+ }
/* Can't do textured DrawPixels with a fragment program, unless we were
* to generate a new program that sampled our texture and put the results
* in the fragment color before the user's program started.
*/
- if (ctx->FragmentProgram.Enabled)
+ if (ctx->FragmentProgram.Enabled) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "fragment program enabled\n");
return GL_FALSE;
+ }
/* Check that we can load in a texture this big. */
if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "glDrawPixels(STENCIL_IDNEX) fallback: "
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
"bitmap too large (%dx%d)\n",
width, height);
return GL_FALSE;
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