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-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_compiler.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
index c0e7a7f7a0..41ea23ee32 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
@@ -232,12 +232,16 @@ void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_ou
void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input)
{
unsigned tempregi = rc_find_free_temporary(c);
+ struct rc_instruction * inst_rcp;
+ struct rc_instruction * inst_mul;
+ struct rc_instruction * inst_mad;
+ struct rc_instruction * inst;
c->Program.InputsRead &= ~(1 << wpos);
c->Program.InputsRead |= 1 << new_input;
/* perspective divide */
- struct rc_instruction * inst_rcp = rc_insert_new_instruction(c, &c->Program.Instructions);
+ inst_rcp = rc_insert_new_instruction(c, &c->Program.Instructions);
inst_rcp->U.I.Opcode = RC_OPCODE_RCP;
inst_rcp->U.I.DstReg.File = RC_FILE_TEMPORARY;
@@ -248,7 +252,7 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig
inst_rcp->U.I.SrcReg[0].Index = new_input;
inst_rcp->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_WWWW;
- struct rc_instruction * inst_mul = rc_insert_new_instruction(c, inst_rcp);
+ inst_mul = rc_insert_new_instruction(c, inst_rcp);
inst_mul->U.I.Opcode = RC_OPCODE_MUL;
inst_mul->U.I.DstReg.File = RC_FILE_TEMPORARY;
@@ -263,7 +267,7 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig
inst_mul->U.I.SrcReg[1].Swizzle = RC_SWIZZLE_WWWW;
/* viewport transformation */
- struct rc_instruction * inst_mad = rc_insert_new_instruction(c, inst_mul);
+ inst_mad = rc_insert_new_instruction(c, inst_mul);
inst_mad->U.I.Opcode = RC_OPCODE_MAD;
inst_mad->U.I.DstReg.File = RC_FILE_TEMPORARY;
@@ -282,7 +286,6 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig
inst_mad->U.I.SrcReg[2].Index = inst_mad->U.I.SrcReg[1].Index;
inst_mad->U.I.SrcReg[2].Swizzle = RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO);
- struct rc_instruction * inst;
for (inst = inst_mad->Next; inst != &c->Program.Instructions; inst = inst->Next) {
const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode);
unsigned i;