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authorBrian Paul <brian.paul@tungstengraphics.com>2003-05-10 04:37:24 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2003-05-10 04:37:24 +0000
commit0295088118674c87f49b8061c6391be6fe206b3d (patch)
tree23ac19ae24ba12fab86d1f64244c01632e86937b /src/mesa
parent3fdb8fbfc5eb82822ac8b5f3e2376249ae7c73ca (diff)
initialize condition codes before running program
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/swrast/s_nvfragprog.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c
index 59d7c0f826..c728aa3d00 100644
--- a/src/mesa/swrast/s_nvfragprog.c
+++ b/src/mesa/swrast/s_nvfragprog.c
@@ -494,6 +494,12 @@ init_machine_deriv( GLcontext *ctx,
}
}
}
+
+ /* init condition codes */
+ dMachine->CondCodes[0] = COND_EQ;
+ dMachine->CondCodes[1] = COND_EQ;
+ dMachine->CondCodes[2] = COND_EQ;
+ dMachine->CondCodes[3] = COND_EQ;
}
@@ -659,8 +665,9 @@ execute_program( GLcontext *ctx,
if (test_cc(machine->CondCodes[swizzle[0]], condMask) ||
test_cc(machine->CondCodes[swizzle[1]], condMask) ||
test_cc(machine->CondCodes[swizzle[2]], condMask) ||
- test_cc(machine->CondCodes[swizzle[3]], condMask))
+ test_cc(machine->CondCodes[swizzle[3]], condMask)) {
return GL_FALSE;
+ }
}
break;
case FP_OPCODE_LG2: /* log base 2 */
@@ -1147,6 +1154,12 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
ASSERT(tex[0] != 0 || tex[1] != 0 || tex[2] != 0);
}
}
+
+ /* init condition codes */
+ machine->CondCodes[0] = COND_EQ;
+ machine->CondCodes[1] = COND_EQ;
+ machine->CondCodes[2] = COND_EQ;
+ machine->CondCodes[3] = COND_EQ;
}
@@ -1162,8 +1175,9 @@ _swrast_exec_nv_fragment_program( GLcontext *ctx, struct sw_span *span )
ctx->FragmentProgram.Current, span, i);
if (!execute_program(ctx, program, ~0,
- &ctx->FragmentProgram.Machine, span, i))
+ &ctx->FragmentProgram.Machine, span, i)) {
span->array->mask[i] = GL_FALSE; /* killed fragment */
+ }
/* Store output registers */
{
@@ -1175,7 +1189,7 @@ _swrast_exec_nv_fragment_program( GLcontext *ctx, struct sw_span *span )
UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], colOut[3]);
}
/* depth value */
- if (ctx->FragmentProgram.Current->OutputsWritten & 2)
+ if (program->OutputsWritten & (1 << FRAG_OUTPUT_DEPR))
span->array->z[i] = IROUND(ctx->FragmentProgram.Machine.Registers[FP_OUTPUT_REG_START + 2][0] * ctx->DepthMaxF);
}
}