summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/r300/r300_state_shader.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c
index cf9eeb4201..cc7f6a7c4b 100644
--- a/src/gallium/drivers/r300/r300_state_shader.c
+++ b/src/gallium/drivers/r300/r300_state_shader.c
@@ -566,6 +566,32 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs,
r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], TGSI_OPCODE_MAD, 3);
break;
+ case TGSI_OPCODE_POW:
+ /* POW DST A, B -> LG2 TMP A; MUL TMP TMP, B; EX2 DST TMP */
+ inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleW =
+ inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleX;
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleW =
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleX;
+ 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_LG2, 1);
+ inst->FullSrcRegisters[0].SrcRegister.Index =
+ assembler->temp_count;
+ inst->FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY;
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Z;
+ inst->FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_W;
+ inst->FullSrcRegisters[2] = r500_constant_zero;
+ r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], TGSI_OPCODE_MUL, 3);
+ inst->FullDstRegisters[0] = inst->FullDstRegisters[1];
+ r500_emit_maths(fs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], TGSI_OPCODE_EX2, 1);
+ break;
/* The texture instruction set. */
case TGSI_OPCODE_KIL:
@@ -595,7 +621,7 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs,
static void r300_fs_finalize(struct r3xx_fragment_shader* fs,
struct r300_fs_asm* assembler)
{
- fs->stack_size = assembler->temp_count + assembler->temp_offset;
+ fs->stack_size = assembler->temp_count + assembler->temp_offset + 1;
}
static void r500_fs_finalize(struct r500_fragment_shader* fs,