Mesa (master): r300-gallium: r500-fs: MUL.
Corbin Simpson
csimpson at kemper.freedesktop.org
Mon Mar 16 13:49:56 UTC 2009
Module: Mesa
Branch: master
Commit: d16533cc873bd120264483d6a170fb296ba24835
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d16533cc873bd120264483d6a170fb296ba24835
Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date: Mon Mar 16 06:14:23 2009 -0700
r300-gallium: r500-fs: MUL.
---
src/gallium/drivers/r300/r300_state_shader.c | 7 +++++++
src/gallium/drivers/r300/r300_state_shader.h | 23 +++++++++++++++++++++++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c
index e4db008..9f4024c 100644
--- a/src/gallium/drivers/r300/r300_state_shader.c
+++ b/src/gallium/drivers/r300/r300_state_shader.c
@@ -366,6 +366,13 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs,
fs->instructions[i].inst4 &= ~R500_SWIZ_ALPHA_A(0x7);
fs->instructions[i].inst4 |= R500_SWIZ_ALPHA_A(R500_SWIZZLE_ONE);
break;
+ case TGSI_OPCODE_MUL:
+ /* Force our src2 to zero */
+ inst->FullSrcRegisters[2] = r500_constant_zero;
+ r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], inst->Instruction.Opcode, 3,
+ false);
+ break;
case TGSI_OPCODE_MAD:
r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode, 3,
diff --git a/src/gallium/drivers/r300/r300_state_shader.h b/src/gallium/drivers/r300/r300_state_shader.h
index 284ae6a..76e0f0c 100644
--- a/src/gallium/drivers/r300/r300_state_shader.h
+++ b/src/gallium/drivers/r300/r300_state_shader.h
@@ -30,6 +30,7 @@
#include "r300_reg.h"
#include "r300_screen.h"
+/* XXX this all should find its way back to r300_reg */
/* Swizzle tools */
#define R500_SWIZZLE_ZERO 4
#define R500_SWIZZLE_HALF 5
@@ -57,6 +58,28 @@
#define R500_ALU_WMASK(x) ((x) << 11)
#define R500_ALU_OMASK(x) ((x) << 15)
+/* TGSI constants. TGSI is like XML: If it can't solve your problems, you're
+ * not using enough of it. */
+static const struct tgsi_full_src_register r500_constant_zero = {
+ .SrcRegister.Extended = TRUE,
+ .SrcRegister.File = TGSI_FILE_TEMPORARY,
+ .SrcRegister.Index = 0,
+ .SrcRegisterExtSwz.ExtSwizzleX = TGSI_EXTSWIZZLE_ZERO,
+ .SrcRegisterExtSwz.ExtSwizzleY = TGSI_EXTSWIZZLE_ZERO,
+ .SrcRegisterExtSwz.ExtSwizzleZ = TGSI_EXTSWIZZLE_ZERO,
+ .SrcRegisterExtSwz.ExtSwizzleW = TGSI_EXTSWIZZLE_ZERO,
+};
+
+static const struct tgsi_full_src_register r500_constant_one = {
+ .SrcRegister.Extended = TRUE,
+ .SrcRegister.File = TGSI_FILE_TEMPORARY,
+ .SrcRegister.Index = 0,
+ .SrcRegisterExtSwz.ExtSwizzleX = TGSI_EXTSWIZZLE_ONE,
+ .SrcRegisterExtSwz.ExtSwizzleY = TGSI_EXTSWIZZLE_ONE,
+ .SrcRegisterExtSwz.ExtSwizzleZ = TGSI_EXTSWIZZLE_ONE,
+ .SrcRegisterExtSwz.ExtSwizzleW = TGSI_EXTSWIZZLE_ONE,
+};
+
/* Temporary struct used to hold assembly state while putting together
* fragment programs. */
struct r300_fs_asm {
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