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Diffstat (limited to 'src/mesa/swrast/s_nvfragprog.c')
-rw-r--r--src/mesa/swrast/s_nvfragprog.c137
1 files changed, 71 insertions, 66 deletions
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c
index 20fbd5060b9..bd9007efaf3 100644
--- a/src/mesa/swrast/s_nvfragprog.c
+++ b/src/mesa/swrast/s_nvfragprog.c
@@ -153,40 +153,33 @@ get_register_pointer( GLcontext *ctx,
const struct fp_machine *machine,
const struct gl_fragment_program *program )
{
- const GLfloat *src;
switch (source->File) {
- case PROGRAM_TEMPORARY:
- ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_TEMPS);
- src = machine->Temporaries[source->Index];
- break;
- case PROGRAM_INPUT:
- ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_INPUTS);
- src = machine->Inputs[source->Index];
- break;
- case PROGRAM_OUTPUT:
- /* This is only for PRINT */
- ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_OUTPUTS);
- src = machine->Outputs[source->Index];
- break;
- case PROGRAM_LOCAL_PARAM:
- ASSERT(source->Index < MAX_PROGRAM_LOCAL_PARAMS);
- src = program->Base.LocalParams[source->Index];
- break;
- case PROGRAM_ENV_PARAM:
- ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_PARAMS);
- src = ctx->FragmentProgram.Parameters[source->Index];
- break;
- case PROGRAM_STATE_VAR:
- /* Fallthrough */
- case PROGRAM_NAMED_PARAM:
- ASSERT(source->Index < (GLint) program->Base.Parameters->NumParameters);
- src = program->Base.Parameters->ParameterValues[source->Index];
- break;
- default:
- _mesa_problem(ctx, "Invalid input register file %d in fetch_vector4", source->File);
- src = NULL;
+ case PROGRAM_TEMPORARY:
+ ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_TEMPS);
+ return machine->Temporaries[source->Index];
+ case PROGRAM_INPUT:
+ ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_INPUTS);
+ return machine->Inputs[source->Index];
+ case PROGRAM_OUTPUT:
+ /* This is only for PRINT */
+ ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_OUTPUTS);
+ return machine->Outputs[source->Index];
+ case PROGRAM_LOCAL_PARAM:
+ ASSERT(source->Index < MAX_PROGRAM_LOCAL_PARAMS);
+ return program->Base.LocalParams[source->Index];
+ case PROGRAM_ENV_PARAM:
+ ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_PARAMS);
+ return ctx->FragmentProgram.Parameters[source->Index];
+ case PROGRAM_STATE_VAR:
+ /* Fallthrough */
+ case PROGRAM_NAMED_PARAM:
+ ASSERT(source->Index < (GLint) program->Base.Parameters->NumParameters);
+ return program->Base.Parameters->ParameterValues[source->Index];
+ default:
+ _mesa_problem(ctx, "Invalid input register file %d in fetch_vector4",
+ source->File);
+ return NULL;
}
- return src;
}
@@ -204,10 +197,17 @@ fetch_vector4( GLcontext *ctx,
const GLfloat *src = get_register_pointer(ctx, source, machine, program);
ASSERT(src);
- result[0] = src[GET_SWZ(source->Swizzle, 0)];
- result[1] = src[GET_SWZ(source->Swizzle, 1)];
- result[2] = src[GET_SWZ(source->Swizzle, 2)];
- result[3] = src[GET_SWZ(source->Swizzle, 3)];
+ if (source->Swizzle == MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
+ SWIZZLE_Z, SWIZZLE_W)) {
+ /* no swizzling */
+ COPY_4V(result, src);
+ }
+ else {
+ result[0] = src[GET_SWZ(source->Swizzle, 0)];
+ result[1] = src[GET_SWZ(source->Swizzle, 1)];
+ result[2] = src[GET_SWZ(source->Swizzle, 2)];
+ result[3] = src[GET_SWZ(source->Swizzle, 3)];
+ }
if (source->NegateBase) {
result[0] = -result[0];
@@ -406,7 +406,7 @@ generate_cc( float value )
/**
* Test if the ccMaskRule is satisfied by the given condition code.
- * Used to mask destination writes according to the current condition codee.
+ * Used to mask destination writes according to the current condition code.
*/
static INLINE GLboolean
test_cc(GLuint condCode, GLuint ccMaskRule)
@@ -436,11 +436,9 @@ store_vector4( const struct prog_instruction *inst,
{
const struct prog_dst_register *dest = &(inst->DstReg);
const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE;
- const GLboolean updateCC = inst->CondUpdate;
GLfloat *dstReg;
GLfloat dummyReg[4];
GLfloat clampedValue[4];
- GLboolean condWriteMask[4];
GLuint writeMask = dest->WriteMask;
switch (dest->File) {
@@ -476,39 +474,46 @@ store_vector4( const struct prog_instruction *inst,
}
if (dest->CondMask != COND_TR) {
- condWriteMask[0] = GET_BIT(writeMask, 0)
- && test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 0)], dest->CondMask);
- condWriteMask[1] = GET_BIT(writeMask, 1)
- && test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 1)], dest->CondMask);
- condWriteMask[2] = GET_BIT(writeMask, 2)
- && test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 2)], dest->CondMask);
- condWriteMask[3] = GET_BIT(writeMask, 3)
- && test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 3)], dest->CondMask);
-
- writeMask = ((condWriteMask[0] << 0) |
- (condWriteMask[1] << 1) |
- (condWriteMask[2] << 2) |
- (condWriteMask[3] << 3));
+ /* condition codes may turn off some writes */
+ if (writeMask & WRITEMASK_X) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 0)],
+ dest->CondMask))
+ writeMask &= ~WRITEMASK_X;
+ }
+ if (writeMask & WRITEMASK_Y) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 1)],
+ dest->CondMask))
+ writeMask &= ~WRITEMASK_Y;
+ }
+ if (writeMask & WRITEMASK_Z) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 2)],
+ dest->CondMask))
+ writeMask &= ~WRITEMASK_Z;
+ }
+ if (writeMask & WRITEMASK_W) {
+ if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 3)],
+ dest->CondMask))
+ writeMask &= ~WRITEMASK_W;
+ }
}
- if (GET_BIT(writeMask, 0)) {
+ if (writeMask & WRITEMASK_X)
dstReg[0] = value[0];
- if (updateCC)
- machine->CondCodes[0] = generate_cc(value[0]);
- }
- if (GET_BIT(writeMask, 1)) {
+ if (writeMask & WRITEMASK_Y)
dstReg[1] = value[1];
- if (updateCC)
- machine->CondCodes[1] = generate_cc(value[1]);
- }
- if (GET_BIT(writeMask, 2)) {
+ if (writeMask & WRITEMASK_Z)
dstReg[2] = value[2];
- if (updateCC)
- machine->CondCodes[2] = generate_cc(value[2]);
- }
- if (GET_BIT(writeMask, 3)) {
+ if (writeMask & WRITEMASK_W)
dstReg[3] = value[3];
- if (updateCC)
+
+ if (inst->CondUpdate) {
+ if (writeMask & WRITEMASK_X)
+ machine->CondCodes[0] = generate_cc(value[0]);
+ if (writeMask & WRITEMASK_Y)
+ machine->CondCodes[1] = generate_cc(value[1]);
+ if (writeMask & WRITEMASK_Z)
+ machine->CondCodes[2] = generate_cc(value[2]);
+ if (writeMask & WRITEMASK_W)
machine->CondCodes[3] = generate_cc(value[3]);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 00:12:31 +0000