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authorEric Anholt <eric@anholt.net>2010-07-26 17:47:59 -0700
committerEric Anholt <eric@anholt.net>2010-07-26 17:53:27 -0700
commitafe125e0a18ac3886c45c7e6b02b122fb2d327b5 (patch)
tree78621707e71154c0b388b0baacffc26432b7e992 /src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
parentd64343f1ae84979bd154475badf11af8a9bfc2eb (diff)
parent5403ca79b225605c79f49866a6497c97da53be3b (diff)
Merge remote branch 'origin/master' into glsl2
This pulls in multiple i965 driver fixes which will help ensure better testing coverage during development, and also gets past the conflicts of the src/mesa/shader -> src/mesa/program move. Conflicts: src/mesa/Makefile src/mesa/main/shaderapi.c src/mesa/main/shaderobj.h
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c')
-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
index c922d3d9a4..3cc2897293 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
@@ -973,3 +973,32 @@ int radeonTransformDeriv(struct radeon_compiler* c,
return 1;
}
+
+/**
+ * IF Temp[0].x -\
+ * KILP - > KIL -abs(Temp[0].x)
+ * ENDIF -/
+ *
+ * This needs to be done in its own pass, because it modifies the instructions
+ * before and after KILP.
+ */
+void radeonTransformKILP(struct radeon_compiler * c)
+{
+ struct rc_instruction * inst;
+ for (inst = c->Program.Instructions.Next;
+ inst != &c->Program.Instructions; inst = inst->Next) {
+
+ if (inst->U.I.Opcode != RC_OPCODE_KILP
+ || inst->Prev->U.I.Opcode != RC_OPCODE_IF
+ || inst->Next->U.I.Opcode != RC_OPCODE_ENDIF) {
+ continue;
+ }
+ inst->U.I.Opcode = RC_OPCODE_KIL;
+ inst->U.I.SrcReg[0] = negate(absolute(inst->Prev->U.I.SrcReg[0]));
+
+ /* Remove IF */
+ rc_remove_instruction(inst->Prev);
+ /* Remove ENDIF */
+ rc_remove_instruction(inst->Next);
+ }
+}