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initialize condition codes before running program

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This commit is contained in:
Brian Paul
2003-05-10 04:37:24 +00:00
parent 3fdb8fbfc5
commit 0295088118
1 changed files with 17 additions and 3 deletions
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20
src/mesa/swrast/s_nvfragprog.c
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@@ -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;
}
@@ -659,9 +665,10 @@ 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);
}
}