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-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog_common.c48
-rw-r--r--src/mesa/drivers/dri/r300/radeon_nqssadce.c41
-rw-r--r--src/mesa/drivers/dri/r300/radeon_nqssadce.h6
3 files changed, 46 insertions, 49 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_common.c b/src/mesa/drivers/dri/r300/r300_fragprog_common.c
index e90be9b7f85..d5ef18b2ad8 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog_common.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog_common.c
@@ -239,6 +239,46 @@ static void build_state(
}
}
+static void rewrite_depth_out(struct gl_program *prog)
+{
+ struct prog_instruction *inst;
+
+ for (inst = prog->Instructions; inst->Opcode != OPCODE_END; ++inst) {
+ if (inst->DstReg.File != PROGRAM_OUTPUT || inst->DstReg.Index != FRAG_RESULT_DEPTH)
+ continue;
+
+ if (inst->DstReg.WriteMask & WRITEMASK_Z) {
+ inst->DstReg.WriteMask = WRITEMASK_W;
+ } else {
+ inst->DstReg.WriteMask = 0;
+ continue;
+ }
+
+ switch (inst->Opcode) {
+ case OPCODE_FRC:
+ case OPCODE_MOV:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ break;
+ case OPCODE_ADD:
+ case OPCODE_MAX:
+ case OPCODE_MIN:
+ case OPCODE_MUL:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
+ break;
+ case OPCODE_CMP:
+ case OPCODE_MAD:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
+ inst->SrcReg[2] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[2]);
+ break;
+ default:
+ // Scalar instructions needn't be reswizzled
+ break;
+ }
+ }
+}
+
void r300TranslateFragmentShader(GLcontext *ctx, struct r300_fragment_program *fp)
{
r300ContextPtr r300 = R300_CONTEXT(ctx);
@@ -260,6 +300,8 @@ void r300TranslateFragmentShader(GLcontext *ctx, struct r300_fragment_program *f
rewriteFog(&compiler);
+ rewrite_depth_out(compiler.program);
+
if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
struct radeon_program_transformation transformations[] = {
{ &r500_transform_TEX, &compiler },
@@ -287,16 +329,14 @@ void r300TranslateFragmentShader(GLcontext *ctx, struct r300_fragment_program *f
struct radeon_nqssadce_descr nqssadce = {
.Init = &nqssadce_init,
.IsNativeSwizzle = &r500FPIsNativeSwizzle,
- .BuildSwizzle = &r500FPBuildSwizzle,
- .RewriteDepthOut = GL_TRUE
+ .BuildSwizzle = &r500FPBuildSwizzle
};
radeonNqssaDce(ctx, compiler.program, &nqssadce);
} else {
struct radeon_nqssadce_descr nqssadce = {
.Init = &nqssadce_init,
.IsNativeSwizzle = &r300FPIsNativeSwizzle,
- .BuildSwizzle = &r300FPBuildSwizzle,
- .RewriteDepthOut = GL_TRUE
+ .BuildSwizzle = &r300FPBuildSwizzle
};
radeonNqssaDce(ctx, compiler.program, &nqssadce);
}
diff --git a/src/mesa/drivers/dri/r300/radeon_nqssadce.c b/src/mesa/drivers/dri/r300/radeon_nqssadce.c
index d2591fa1bd2..82dfc31dd0f 100644
--- a/src/mesa/drivers/dri/r300/radeon_nqssadce.c
+++ b/src/mesa/drivers/dri/r300/radeon_nqssadce.c
@@ -56,7 +56,7 @@ static struct register_state *get_reg_state(struct nqssadce_state* s, GLuint fil
*
* @note Works correctly only for X, Y, Z, W swizzles, not for constant swizzles.
*/
-static struct prog_src_register lmul_swizzle(GLuint swizzle, struct prog_src_register srcreg)
+struct prog_src_register lmul_swizzle(GLuint swizzle, struct prog_src_register srcreg)
{
struct prog_src_register tmp = srcreg;
int i;
@@ -121,40 +121,6 @@ static struct prog_instruction* track_used_srcreg(struct nqssadce_state* s,
return inst;
}
-
-static void rewrite_depth_out(struct prog_instruction *inst)
-{
- if (inst->DstReg.WriteMask & WRITEMASK_Z) {
- inst->DstReg.WriteMask = WRITEMASK_W;
- } else {
- inst->DstReg.WriteMask = 0;
- return;
- }
-
- switch (inst->Opcode) {
- case OPCODE_FRC:
- case OPCODE_MOV:
- inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
- break;
- case OPCODE_ADD:
- case OPCODE_MAX:
- case OPCODE_MIN:
- case OPCODE_MUL:
- inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
- inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
- break;
- case OPCODE_CMP:
- case OPCODE_MAD:
- inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
- inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
- inst->SrcReg[2] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[2]);
- break;
- default:
- // Scalar instructions needn't be reswizzled
- break;
- }
-}
-
static void unalias_srcregs(struct prog_instruction *inst, GLuint oldindex, GLuint newindex)
{
int nsrc = _mesa_num_inst_src_regs(inst->Opcode);
@@ -189,11 +155,6 @@ static void process_instruction(struct nqssadce_state* s)
return;
if (inst->Opcode != OPCODE_KIL) {
- if (s->Descr->RewriteDepthOut) {
- if (inst->DstReg.File == PROGRAM_OUTPUT && inst->DstReg.Index == FRAG_RESULT_DEPTH)
- rewrite_depth_out(inst);
- }
-
struct register_state *regstate = get_reg_state(s, inst->DstReg.File, inst->DstReg.Index);
if (!regstate) {
_mesa_problem(s->Ctx, "NqssaDce: bad destination register (%i[%i])\n",
diff --git a/src/mesa/drivers/dri/r300/radeon_nqssadce.h b/src/mesa/drivers/dri/r300/radeon_nqssadce.h
index a4f94abcb62..e3341692e4f 100644
--- a/src/mesa/drivers/dri/r300/radeon_nqssadce.h
+++ b/src/mesa/drivers/dri/r300/radeon_nqssadce.h
@@ -83,14 +83,10 @@ struct radeon_nqssadce_descr {
*/
void (*BuildSwizzle)(struct nqssadce_state*, struct prog_dst_register dst, struct prog_src_register src);
- /**
- * Rewrite instructions that write to DEPR.z to write to DEPR.w
- * instead (rewriting is done *before* the WriteMask test).
- */
- GLboolean RewriteDepthOut;
void *Data;
};
void radeonNqssaDce(GLcontext *ctx, struct gl_program *p, struct radeon_nqssadce_descr* descr);
+struct prog_src_register lmul_swizzle(GLuint swizzle, struct prog_src_register srcreg);
#endif /* __RADEON_PROGRAM_NQSSADCE_H_ */