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intel: Add more fallback debugging for glDrawPixels.

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This commit is contained in:
Eric Anholt 2008-10-31 13:13:08 -07:00
parent ab3e9c481f
commit ed478a5fde
1 changed files with 33 additions and 8 deletions
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41
src/mesa/drivers/dri/intel/intel_pixel_draw.c
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@ -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;