Mesa (master): r300-gallium: r500-fs: LRP.
Corbin Simpson
csimpson at kemper.freedesktop.org
Thu May 21 06:22:52 UTC 2009
Module: Mesa
Branch: master
Commit: cfd241e8a68bc04f0f82960eae9ff1ec01384b67
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=cfd241e8a68bc04f0f82960eae9ff1ec01384b67
Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date: Wed May 20 21:52:11 2009 -0700
r300-gallium: r500-fs: LRP.
Goddammit. This cannot be the "easy way." :C
---
src/gallium/drivers/r300/r300_state_shader.c | 36 +++++++++++++++++++++++---
1 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c
index 8a3e380..cf9eeb4 100644
--- a/src/gallium/drivers/r300/r300_state_shader.c
+++ b/src/gallium/drivers/r300/r300_state_shader.c
@@ -355,8 +355,8 @@ static INLINE void r500_emit_maths(struct r500_fragment_shader* fs,
R500_ALU_RGB_SEL_B_SRC1 |
R500_SWIZ_RGB_B(r500_rgb_swiz(&src[1]));
fs->instructions[i].inst4 |=
- R500_SWIZ_ALPHA_B(r500_alpha_swiz(&src[1])) |
- R500_ALPHA_SEL_B_SRC1;
+ R500_ALPHA_SEL_B_SRC1 |
+ R500_SWIZ_ALPHA_B(r500_alpha_swiz(&src[1]));
case 1:
case 0:
default:
@@ -368,8 +368,8 @@ static INLINE void r500_emit_maths(struct r500_fragment_shader* fs,
R500_ALU_RGB_SEL_A_SRC0 |
R500_SWIZ_RGB_A(r500_rgb_swiz(&src[0]));
fs->instructions[i].inst4 |=
- R500_SWIZ_ALPHA_A(r500_alpha_swiz(&src[0])) |
- R500_ALPHA_SEL_A_SRC0;
+ R500_ALPHA_SEL_A_SRC0 |
+ R500_SWIZ_ALPHA_A(r500_alpha_swiz(&src[0]));
break;
}
@@ -539,6 +539,34 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs,
&inst->FullDstRegisters[0], inst->Instruction.Opcode, 3);
break;
+ /* The compound and hybrid insts. */
+ case TGSI_OPCODE_LRP:
+ /* LRP DST A, B, C -> MAD TMP -A, C, C; MAD DST A, B, TMP */
+ inst->FullSrcRegisters[3] = inst->FullSrcRegisters[1];
+ inst->FullSrcRegisters[1] = inst->FullSrcRegisters[2];
+ inst->FullSrcRegisters[0].SrcRegister.Negate =
+ !(inst->FullSrcRegisters[0].SrcRegister.Negate);
+ inst->FullDstRegisters[1] = inst->FullDstRegisters[0];
+ inst->FullDstRegisters[0].DstRegister.Index =
+ assembler->temp_count;
+ inst->FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY;
+ r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], TGSI_OPCODE_MAD, 3);
+ inst->FullSrcRegisters[2].SrcRegister.Index =
+ assembler->temp_count;
+ inst->FullSrcRegisters[2].SrcRegister.File = TGSI_FILE_TEMPORARY;
+ inst->FullSrcRegisters[2].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst->FullSrcRegisters[2].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst->FullSrcRegisters[2].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Z;
+ inst->FullSrcRegisters[2].SrcRegister.SwizzleW = TGSI_SWIZZLE_W;
+ inst->FullSrcRegisters[1] = inst->FullSrcRegisters[3];
+ inst->FullSrcRegisters[0].SrcRegister.Negate =
+ !(inst->FullSrcRegisters[0].SrcRegister.Negate);
+ inst->FullDstRegisters[0] = inst->FullDstRegisters[1];
+ r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], TGSI_OPCODE_MAD, 3);
+ break;
+
/* The texture instruction set. */
case TGSI_OPCODE_KIL:
case TGSI_OPCODE_TEX:
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