diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program_alu.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program_alu.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program_alu.c b/src/mesa/drivers/dri/r300/radeon_program_alu.c index 483dfa2cdc..4a40d3e44d 100644 --- a/src/mesa/drivers/dri/r300/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/radeon_program_alu.c @@ -201,6 +201,18 @@ static void transform_DPH(struct radeon_transform_context* t, emit2(t->Program, OPCODE_DP4, inst->DstReg, src0, inst->SrcReg[1]); } +/** + * [1, src0.y*src1.y, src0.z, src1.w] + * So basically MUL with lotsa swizzling. + */ +static void transform_DST(struct radeon_transform_context* t, + struct prog_instruction* inst) +{ + emit2(t->Program, OPCODE_MUL, inst->DstReg, + swizzle(inst->SrcReg[0], SWIZZLE_ONE, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE), + swizzle(inst->SrcReg[1], SWIZZLE_ONE, SWIZZLE_Y, SWIZZLE_ONE, SWIZZLE_W)); +} + static void transform_FLR(struct radeon_transform_context* t, struct prog_instruction* inst) { @@ -373,7 +385,7 @@ static void transform_XPD(struct radeon_transform_context* t, * no userData necessary. * * Eliminates the following ALU instructions: - * ABS, DPH, FLR, LIT, LRP, POW, SGE, SLT, SUB, SWZ, XPD + * ABS, DPH, DST, FLR, LIT, LRP, POW, SGE, SLT, SUB, SWZ, XPD * using: * MOV, ADD, MUL, MAD, FRC, DP3, LG2, EX2, CMP * @@ -386,6 +398,7 @@ GLboolean radeonTransformALU(struct radeon_transform_context* t, switch(inst->Opcode) { case OPCODE_ABS: transform_ABS(t, inst); return GL_TRUE; case OPCODE_DPH: transform_DPH(t, inst); return GL_TRUE; + case OPCODE_DST: transform_DST(t, inst); return GL_TRUE; case OPCODE_FLR: transform_FLR(t, inst); return GL_TRUE; case OPCODE_LIT: transform_LIT(t, inst); return GL_TRUE; case OPCODE_LRP: transform_LRP(t, inst); return GL_TRUE; |