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-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 39f035bf1c3..c7ece029c01 100644
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -101,6 +101,7 @@
/* Writemasks */
#define R500_WRITEMASK_G 0x2
+#define R500_WRITEMASK_RGB 0x7
#define R500_WRITEMASK_A 0x8
#define R500_WRITEMASK_AR 0x9
#define R500_WRITEMASK_AG 0xA
@@ -1151,6 +1152,65 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
/* TODO: The rarer negation masks! */
emit_mov(fp, counter, fpi, make_src(fp, fpi->SrcReg[0]), fpi->SrcReg[0].Swizzle, dest);
break;
+ case OPCODE_XPD:
+ /* src0 * src1 - src1 * src0
+ * 1) MUL temp.xyz, src0.yzx, src1.zxy
+ * 2) MAD src0.zxy, src1.yzx, -temp.xyz */
+ src[0] = make_src(fp, fpi->SrcReg[0]);
+ src[1] = make_src(fp, fpi->SrcReg[1]);
+ fp->inst[counter].inst0 = R500_INST_TYPE_ALU | R500_INST_TEX_SEM_WAIT
+ | (R500_WRITEMASK_RGB << 11);
+ 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]);
+ /* Select [y, z, x] */
+ temp_swiz = make_rgb_swizzle(fpi->SrcReg[0]);
+ temp_swiz = (GET_SWZ(temp_swiz, 1) << 0) | (GET_SWZ(temp_swiz, 2) << 3) | (GET_SWZ(temp_swiz, 0) << 6);
+ fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+ | MAKE_SWIZ_RGB_A(temp_swiz);
+ /* Select [z, x, y] */
+ temp_swiz = make_rgb_swizzle(fpi->SrcReg[1]);
+ temp_swiz = (GET_SWZ(temp_swiz, 2) << 0) | (GET_SWZ(temp_swiz, 0) << 3) | (GET_SWZ(temp_swiz, 1) << 6);
+ fp->inst[counter].inst3 |= R500_ALU_RGB_SEL_B_SRC1
+ | MAKE_SWIZ_RGB_B(temp_swiz);
+ fp->inst[counter].inst4 = R500_ALPHA_OP_MAD
+ | R500_ALPHA_ADDRD(get_temp(fp, 0))
+ | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_alpha_swizzle(fpi->SrcReg[0]))
+ | 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(get_temp(fp, 0))
+ | MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO)
+ | MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
+ counter++;
+ emit_alu(fp, counter, fpi);
+ fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0])
+ | R500_RGB_ADDR1(src[1])
+ | R500_RGB_ADDR2(get_temp(fp, 0));
+ fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0])
+ | R500_ALPHA_ADDR1(src[1])
+ | R500_ALPHA_ADDR2(get_temp(fp, 0));
+ /* Select [z, x, y] */
+ temp_swiz = make_rgb_swizzle(fpi->SrcReg[0]);
+ temp_swiz = (GET_SWZ(temp_swiz, 2) << 0) | (GET_SWZ(temp_swiz, 0) << 3) | (GET_SWZ(temp_swiz, 1) << 6);
+ fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+ | MAKE_SWIZ_RGB_A(temp_swiz);
+ /* Select [y, z, x] */
+ temp_swiz = make_rgb_swizzle(fpi->SrcReg[1]);
+ temp_swiz = (GET_SWZ(temp_swiz, 1) << 0) | (GET_SWZ(temp_swiz, 2) << 3) | (GET_SWZ(temp_swiz, 0) << 6);
+ fp->inst[counter].inst3 |= R500_ALU_RGB_SEL_B_SRC1
+ | MAKE_SWIZ_RGB_B(temp_swiz);
+ fp->inst[counter].inst4 |= R500_ALPHA_OP_MAD
+ | R500_ALPHA_ADDRD(dest)
+ | R500_ALPHA_SWIZ_A_1
+ | R500_ALPHA_SWIZ_B_1;
+ fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAD
+ | R500_ALU_RGBA_ADDRD(dest)
+ | R500_ALU_RGBA_SEL_C_SRC2
+ | MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_RGB)
+ | R500_ALU_RGBA_MOD_C_NEG
+ | R500_ALU_RGBA_A_SWIZ_0;
+ break;
case OPCODE_KIL:
case OPCODE_TEX:
case OPCODE_TXB: