r5xx: Add OPCODE_DST.

Works completely, swizzles and everything.

diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 35116a1..dba7138 100644 (file)
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -429,7 +429,7 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
        const struct prog_instruction *inst = mp->Base.Instructions;
        struct prog_instruction *fpi;
        GLuint src[3], dest, temp[2];
-       int flags, pixel_mask = 0, output_mask = 0, counter = 0;
+       int temp_swiz, pixel_mask = 0, output_mask = 0, counter = 0;
 
        if (!inst || inst[0].Opcode == OPCODE_END) {
                ERROR("The program is empty!\n");
@@ -600,6 +600,33 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
                                fp->inst[counter].inst5 = R500_ALU_RGBA_OP_DP4
                                        | R500_ALU_RGBA_ADDRD(dest);
                                break;
+                       case OPCODE_DST:
+                               src[0] = make_src(fp, fpi->SrcReg[0]);
+                               src[1] = make_src(fp, fpi->SrcReg[1]);
+                               /* [1, src0.y*src1.y, src0.z, src1.w]
+                                * So basically MUL with lotsa swizzling. */
+                               emit_alu(fp, counter, fpi);
+                               fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0])
+                                       | R500_RGB_ADDR1(src[1]);
+                               fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0])
+                                       | R500_ALPHA_ADDR1(src[1]);
+                               fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+                                       | R500_ALU_RGB_SEL_B_SRC1;
+                               /* Select [1, y, z, 1] */
+                               temp_swiz = (make_rgb_swizzle(fpi->SrcReg[0]) & ~0x7) | R500_SWIZZLE_ONE;
+                               fp->inst[counter].inst3 |= MAKE_SWIZ_RGB_A(temp_swiz);
+                               /* Select [1, y, 1, w] */
+                               temp_swiz = (make_rgb_swizzle(fpi->SrcReg[0]) & ~0x1c7) | R500_SWIZZLE_ONE | (R500_SWIZZLE_ONE << 6);
+                               fp->inst[counter].inst3 |= MAKE_SWIZ_RGB_B(temp_swiz);
+                               fp->inst[counter].inst4 = R500_ALPHA_OP_MAD
+                                       | R500_ALPHA_ADDRD(dest)
+                                       | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(R500_SWIZZLE_ONE)
+                                       | R500_ALPHA_SEL_B_SRC1 | MAKE_SWIZ_ALPHA_B(make_alpha_swizzle(fpi->SrcReg[1]));
+                               fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAD
+                                       | R500_ALU_RGBA_ADDRD(dest)
+                                       | MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO)
+                                       | MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
+                               break;
                        case OPCODE_EX2:
                                src[0] = make_src(fp, fpi->SrcReg[0]);
                                emit_alu(fp, counter, fpi);