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Diffstat (limited to 'src/mesa/tnl/t_vb_program.c')
-rw-r--r--src/mesa/tnl/t_vb_program.c47
1 files changed, 36 insertions, 11 deletions
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c
index f99401ca6d..c10a27614f 100644
--- a/src/mesa/tnl/t_vb_program.c
+++ b/src/mesa/tnl/t_vb_program.c
@@ -1,8 +1,9 @@
/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.6
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -46,6 +47,16 @@
#include "tnl/t_pipeline.h"
+#ifdef NAN_CHECK
+/** Check for NaNs and very large values */
+static INLINE void
+check_float(float x)
+{
+ assert(!IS_INF_OR_NAN(x));
+ assert(1.0e-15 <= x && x <= 1.0e15);
+}
+#endif
+
/*!
* Private storage for the vertex program pipeline stage.
@@ -120,13 +131,16 @@ do_ndc_cliptest(GLcontext *ctx, struct vp_stage_data *store)
store->ormask = 0;
store->andmask = CLIP_FRUSTUM_BITS;
+ tnl_clip_prepare(ctx);
+
if (tnl->NeedNdcCoords) {
VB->NdcPtr =
_mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr,
&store->ndcCoords,
store->clipmask,
&store->ormask,
- &store->andmask );
+ &store->andmask,
+ !ctx->Transform.DepthClamp );
}
else {
VB->NdcPtr = NULL;
@@ -134,7 +148,8 @@ do_ndc_cliptest(GLcontext *ctx, struct vp_stage_data *store)
NULL,
store->clipmask,
&store->ormask,
- &store->andmask );
+ &store->andmask,
+ !ctx->Transform.DepthClamp );
}
if (store->andmask) {
@@ -176,17 +191,12 @@ static void
vp_fetch_texel(GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda,
GLuint unit, GLfloat color[4])
{
- GLchan rgba[4];
SWcontext *swrast = SWRAST_CONTEXT(ctx);
/* XXX use a float-valued TextureSample routine here!!! */
swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current,
1, (const GLfloat (*)[4]) texcoord,
- &lambda, &rgba);
- color[0] = CHAN_TO_FLOAT(rgba[0]);
- color[1] = CHAN_TO_FLOAT(rgba[1]);
- color[2] = CHAN_TO_FLOAT(rgba[2]);
- color[3] = CHAN_TO_FLOAT(rgba[3]);
+ &lambda, (GLfloat (*)[4]) color);
}
@@ -212,7 +222,7 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine)
{
/* Input registers get initialized from the current vertex attribs */
MEMCPY(machine->VertAttribs, ctx->Current.Attrib,
- MAX_VERTEX_PROGRAM_ATTRIBS * 4 * sizeof(GLfloat));
+ MAX_VERTEX_GENERIC_ATTRIBS * 4 * sizeof(GLfloat));
if (ctx->VertexProgram._Current->IsNVProgram) {
GLuint i;
@@ -356,6 +366,12 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
const GLuint size = VB->AttribPtr[attr]->size;
const GLuint stride = VB->AttribPtr[attr]->stride;
const GLfloat *data = (GLfloat *) (ptr + stride * i);
+#ifdef NAN_CHECK
+ check_float(data[0]);
+ check_float(data[1]);
+ check_float(data[2]);
+ check_float(data[3]);
+#endif
COPY_CLEAN_4V(machine.VertAttribs[attr], size, data);
}
}
@@ -366,8 +382,17 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
/* copy the output registers into the VB->attribs arrays */
for (j = 0; j < numOutputs; j++) {
const GLuint attr = outputs[j];
+#ifdef NAN_CHECK
+ check_float(machine.Outputs[attr][0]);
+ check_float(machine.Outputs[attr][1]);
+ check_float(machine.Outputs[attr][2]);
+ check_float(machine.Outputs[attr][3]);
+#endif
COPY_4V(store->results[attr].data[i], machine.Outputs[attr]);
}
+#ifdef NAN_CHECK
+ ASSERT(machine.Outputs[0][3] != 0.0F);
+#endif
#if 0
printf("HPOS: %f %f %f %f\n",
machine.Outputs[0][0],