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authorEric Anholt <anholt@FreeBSD.org>2004-10-08 23:03:38 +0000
committerEric Anholt <anholt@FreeBSD.org>2004-10-08 23:03:38 +0000
commitea6f4f6079de8f35b6e3d597525d958bcedc7bad (patch)
tree54524daf86b78d8495b5150284dd371d48928e34 /src
parentb4d269f35f0f0e0c87793a319a77f571a54a5a47 (diff)
Add fallback debugging (R128_DEBUG=fall) output, and set DO_DEBUG=1 by default
so that we can use the env var to get output. Add a no_rast driconf option to force software fallbacks.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/r128/r128_context.c6
-rw-r--r--src/mesa/drivers/dri/r128/r128_context.h15
-rw-r--r--src/mesa/drivers/dri/r128/r128_screen.c9
-rw-r--r--src/mesa/drivers/dri/r128/r128_tris.c35
4 files changed, 52 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_context.c b/src/mesa/drivers/dri/r128/r128_context.c
index 2b0363d292..287f041a81 100644
--- a/src/mesa/drivers/dri/r128/r128_context.c
+++ b/src/mesa/drivers/dri/r128/r128_context.c
@@ -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;
}
diff --git a/src/mesa/drivers/dri/r128/r128_context.h b/src/mesa/drivers/dri/r128/r128_context.h
index 7477b95fad..0b4eaa2d74 100644
--- a/src/mesa/drivers/dri/r128/r128_context.h
+++ b/src/mesa/drivers/dri/r128/r128_context.h
@@ -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__ */
diff --git a/src/mesa/drivers/dri/r128/r128_screen.c b/src/mesa/drivers/dri/r128/r128_screen.c
index 3ab4cd0856..f4d069d139 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.c
+++ b/src/mesa/drivers/dri/r128/r128_screen.c
@@ -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
diff --git a/src/mesa/drivers/dri/r128/r128_tris.c b/src/mesa/drivers/dri/r128/r128_tris.c
index 34d7c7ffee..7e72467da5 100644
--- a/src/mesa/drivers/dri/r128/r128_tris.c
+++ b/src/mesa/drivers/dri/r128/r128_tris.c
@@ -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 ); */
}