diff options
| author | Corbin Simpson <[email protected]> | 2008-05-21 08:24:28 -0700 |
|---|---|---|
| committer | Corbin Simpson <[email protected]> | 2008-05-21 08:24:28 -0700 |
| commit | 1e2907f170116138b1ae304dc075ee52e377fd73 (patch) | |
| tree | a02e96d001c3d141f3d532a2313276e11eb9034a /src/mesa | |
| parent | bb57c30a537f2ae01a146dd697ca332f7667c5c5 (diff) | |
r5xx: Add OPCODE_POW.
Necessary for Google Earth, among other things.
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 9e08b2757fb..70940e82153 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -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); |