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authorCorbin Simpson <MostAwesomeDude@gmail.com>2008-05-23 00:12:37 -0700
committerCorbin Simpson <MostAwesomeDude@gmail.com>2008-05-23 00:18:14 -0700
commit34010bcc91bc2e8503e7b80187c1aea0e51e53b0 (patch)
tree9638fb72f29c6516f07b8080a3ab6c12c33a3382 /src/mesa/drivers/dri/r300
parentd4e93864b8f05f8973d291ac287b27febbb5cb62 (diff)
r5xx: Add OPCODE_DST.
Works completely, swizzles and everything.
Diffstat (limited to 'src/mesa/drivers/dri/r300')
-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 35116a14e9..dba7138374 100644
--- 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);