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r5xx: Add OPCODE_POW.

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Necessary for Google Earth, among other things.
This commit is contained in:
Corbin Simpson 2008-05-21 08:24:28 -07:00
parent bb57c30a53
commit 1e2907f170
1 changed files with 47 additions and 0 deletions
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47
src/mesa/drivers/dri/r300/r500_fragprog.c
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@ -93,6 +93,9 @@
#define MAKE_SWIZ_RGBA_C(x) (x << 14)
#define MAKE_SWIZ_ALPHA_C(x) (x << 27)
/* Writemasks */
#define R500_WRITEMASK_ARGB 0xF
static void dump_program(struct r500_fragment_program *fp);
static inline GLuint make_rgb_swizzle(struct prog_src_register src) {
@ -686,6 +689,50 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
// | R500_ALU_RGBA_ALPHA_SEL_C_SRC2
| MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO);
break;
case OPCODE_POW:
/* POW(a,b) = EX2(LN2(a)*b) */
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_ARGB << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0]);
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0]);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]));
fp->inst[counter].inst4 = R500_ALPHA_OP_LN2
| R500_ALPHA_ADDRD(get_temp(fp, 0))
| R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_sop_swizzle(fpi->SrcReg[0]));
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
| R500_ALU_RGBA_ADDRD(get_temp(fp, 0));
counter++;
fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_ARGB << 11);
fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0))
| R500_RGB_ADDR1(src[1]);
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0))
| R500_ALPHA_ADDR1(src[1]);
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]))
| R500_ALU_RGB_SEL_B_SRC1 | MAKE_SWIZ_RGB_B(make_rgb_swizzle(fpi->SrcReg[1]));
fp->inst[counter].inst4 = R500_ALPHA_OP_MAD
| R500_ALPHA_ADDRD(get_temp(fp, 1))
| 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, 1))
| 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(get_temp(fp, 1));
fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 1));
fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
| MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]));
fp->inst[counter].inst4 = R500_ALPHA_OP_EX2
| R500_ALPHA_ADDRD(dest)
| R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_sop_swizzle(fpi->SrcReg[0]));
fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP
| R500_ALU_RGBA_ADDRD(dest);
break;
case OPCODE_RCP:
src[0] = make_src(fp, fpi->SrcReg[0]);
emit_alu(fp, counter, fpi);