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Add fallback debugging (R128_DEBUG=fall) output, and set DO_DEBUG=1 by default

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so that we can use the env var to get output.  Add a no_rast driconf option to
force software fallbacks.
This commit is contained in:
Eric Anholt 2004-10-08 23:03:38 +00:00
parent b4d269f35f
commit ea6f4f6079
4 changed files with 52 additions and 13 deletions
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6
src/mesa/drivers/dri/r128/r128_context.c
View file

@ -89,6 +89,7 @@ static const struct dri_debug_control debug_control[] =
{ "2d", DEBUG_VERBOSE_2D },
{ "sync", DEBUG_ALWAYS_SYNC },
{ "api", DEBUG_VERBOSE_API },
{ "fall", DEBUG_VERBOSE_FALL },
{ NULL, 0 }
};
@ -258,6 +259,11 @@ GLboolean r128CreateContext( const __GLcontextModes *glVisual,
debug_control );
#endif
if (driQueryOptionb(&rmesa->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, R128_FALLBACK_DISABLE, 1);
}
return GL_TRUE;
}

15
src/mesa/drivers/dri/r128/r128_context.h
View file

@ -77,12 +77,12 @@ typedef struct r128_context *r128ContextPtr;
#define R128_FALLBACK_READ_BUFFER 0x0004
#define R128_FALLBACK_STENCIL 0x0008
#define R128_FALLBACK_RENDER_MODE 0x0010
#define R128_FALLBACK_MULTIDRAW 0x0020
#define R128_FALLBACK_LOGICOP 0x0040
#define R128_FALLBACK_SEP_SPECULAR 0x0080
#define R128_FALLBACK_BLEND_EQ 0x0100
#define R128_FALLBACK_BLEND_FUNC 0x0200
#define R128_FALLBACK_PROJTEX 0x0400
#define R128_FALLBACK_LOGICOP 0x0020
#define R128_FALLBACK_SEP_SPECULAR 0x0040
#define R128_FALLBACK_BLEND_EQ 0x0080
#define R128_FALLBACK_BLEND_FUNC 0x0100
#define R128_FALLBACK_PROJTEX 0x0200
#define R128_FALLBACK_DISABLE 0x0400
/* Use the templated vertex format:
@ -250,7 +250,7 @@ extern GLboolean r128UnbindContext( __DRIcontextPrivate *driContextPriv );
/* ================================================================
* Debugging:
*/
#define DO_DEBUG 0
#define DO_DEBUG 1
#define ENABLE_PERF_BOXES 0
#if DO_DEBUG
@ -266,6 +266,7 @@ extern int R128_DEBUG;
#define DEBUG_VERBOSE_DRI 0x10
#define DEBUG_VERBOSE_IOCTL 0x20
#define DEBUG_VERBOSE_2D 0x40
#define DEBUG_VERBOSE_FALL 0x80
#endif
#endif /* __R128_CONTEXT_H__ */

9
src/mesa/drivers/dri/r128/r128_screen.c
View file

@ -59,16 +59,17 @@ DRI_CONF_BEGIN
DRI_CONF_SECTION_QUALITY
DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
DRI_CONF_SECTION_END
#if ENABLE_PERF_BOXES
DRI_CONF_SECTION_DEBUG
DRI_CONF_NO_RAST(false)
#if ENABLE_PERF_BOXES
DRI_CONF_PERFORMANCE_BOXES(false)
DRI_CONF_SECTION_END
#endif
DRI_CONF_SECTION_END
DRI_CONF_END;
#if ENABLE_PERF_BOXES
static const GLuint __driNConfigOptions = 3;
static const GLuint __driNConfigOptions = 4;
#else
static const GLuint __driNConfigOptions = 2;
static const GLuint __driNConfigOptions = 3;
#endif
#if 1

35
src/mesa/drivers/dri/r128/r128_tris.c
View file

@ -650,6 +650,31 @@ static void r128RenderFinish( GLcontext *ctx )
/* Transition to/from hardware rasterization. */
/**********************************************************************/
static const char * const fallbackStrings[] = {
"Texture mode",
"glDrawBuffer(GL_FRONT_AND_BACK)",
"glReadBuffer",
"glEnable(GL_STENCIL) without hw stencil buffer",
"glRenderMode(selection or feedback)",
"glLogicOp (mode != GL_COPY)",
"GL_SEPARATE_SPECULAR_COLOR",
"glBlendEquation",
"glBlendFunc(mode != ADD)",
"Projective texture",
"Rasterization disable",
};
static const char *getFallbackString(GLuint bit)
{
int i = 0;
while (bit > 1) {
i++;
bit >>= 1;
}
return fallbackStrings[i];
}
void r128Fallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
@ -662,6 +687,10 @@ void r128Fallback( GLcontext *ctx, GLuint bit, GLboolean mode )
FLUSH_BATCH( rmesa );
_swsetup_Wakeup( ctx );
rmesa->RenderIndex = ~0;
if ( R128_DEBUG & DEBUG_VERBOSE_FALL ) {
fprintf(stderr, "R128 begin rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
else {
@ -684,6 +713,10 @@ void r128Fallback( GLcontext *ctx, GLuint bit, GLboolean mode )
rmesa->hw_viewport, 0 );
rmesa->NewGLState |= _R128_NEW_RENDER_STATE;
if ( R128_DEBUG & DEBUG_VERBOSE_FALL ) {
fprintf(stderr, "R128 end rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
}
@ -719,6 +752,4 @@ void r128InitTriFuncs( GLcontext *ctx )
rmesa->tnl_state = -1;
rmesa->NewGLState |= _R128_NEW_RENDER_STATE;
/* r128Fallback( ctx, 0x100000, 1 ); */
}