r300: Translate fragment program DST in radeon_program_alu

3 files changed, 14 insertions, 36 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
index 446517405ba..30f513b5a31 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
@@ -1551,27 +1551,6 @@ static void emit_instruction(struct r300_pfs_compile_state *cs, struct prog_inst
 		emit_arith(cs, PFS_OP_DP4, dest, mask,
 				src[0], src[1], undef, flags);
 		break;
-	case OPCODE_DST:
-		src[0] = t_src(cs, fpi->SrcReg[0]);
-		src[1] = t_src(cs, fpi->SrcReg[1]);
-		/* dest.y = src0.y * src1.y */
-		if (mask & WRITEMASK_Y)
-			emit_arith(cs, PFS_OP_MAD, dest, WRITEMASK_Y,
-					keep(src[0]), keep(src[1]),
-					pfs_zero, flags);
-		/* dest.z = src0.z */
-		if (mask & WRITEMASK_Z)
-			emit_arith(cs, PFS_OP_MAD, dest, WRITEMASK_Z,
-					src[0], pfs_one, pfs_zero, flags);
-		/* result.x = 1.0
-			* result.w = src1.w */
-		if (mask & WRITEMASK_XW) {
-			REG_SET_VSWZ(src[1], SWIZZLE_111);	/*Cheat */
-			emit_arith(cs, PFS_OP_MAD, dest,
-					mask & WRITEMASK_XW,
-					src[1], pfs_one, pfs_zero, flags);
-		}
-		break;
 	case OPCODE_EX2:
 		src[0] = t_scalar_src(cs, fpi->SrcReg[0]);
 		emit_arith(cs, PFS_OP_EX2, dest, mask,
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog_emit.c b/src/mesa/drivers/dri/r300/r500_fragprog_emit.c
index 5b4d06ecf36..678114b8c17 100644
--- a/src/mesa/drivers/dri/r300/r500_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog_emit.c
@@ -709,20 +709,6 @@ static void do_inst(struct r500_pfs_compile_state *cs, struct prog_instruction *
 			set_argA_reg(cs, ip, 0, fpi->SrcReg[0]);
 			set_argB_reg(cs, ip, 1, fpi->SrcReg[1]);
 			break;
-		case OPCODE_DST:
-			/* [1, src0.y*src1.y, src0.z, src1.w]
-			 * So basically MUL with lotsa swizzling. */
-			ip = emit_alu(cs, R500_ALU_RGBA_OP_MAD, R500_ALPHA_OP_MAD, fpi->DstReg);
-			set_src0(cs, ip, fpi->SrcReg[0]);
-			set_src1(cs, ip, fpi->SrcReg[1]);
-			set_argA(cs, ip, 0,
-				(make_rgb_swizzle(fpi->SrcReg[0]) & ~0x7) | R500_SWIZZLE_ONE,
-				R500_SWIZZLE_ONE);
-			set_argB(cs, ip, 1,
-				(make_rgb_swizzle(fpi->SrcReg[0]) & ~0x1c7) | R500_SWIZZLE_ONE | (R500_SWIZZLE_ONE << 6),
-				make_alpha_swizzle(fpi->SrcReg[1]));
-			set_argC(cs, ip, 0, R500_SWIZ_RGB_ZERO, R500_SWIZZLE_ZERO);
-			break;
 		case OPCODE_EX2:
 			src[0] = make_src(cs, fpi->SrcReg[0]);
 			emit_sop(cs, R500_ALPHA_OP_EX2, fpi->DstReg, src[0], make_sop_swizzle(fpi->SrcReg[0]));
diff --git a/src/mesa/drivers/dri/r300/radeon_program_alu.c b/src/mesa/drivers/dri/r300/radeon_program_alu.c
index 483dfa2cdc3..4a40d3e44d8 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;