diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r500_fragprog.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 112 |
1 files changed, 57 insertions, 55 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 81976573c6..f55c8560c7 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -102,6 +102,10 @@ /* Writemasks */ #define R500_WRITEMASK_G 0x2 #define R500_WRITEMASK_A 0x8 +#define R500_WRITEMASK_AR 0x9 +#define R500_WRITEMASK_AG 0xA +#define R500_WRITEMASK_ARG 0xB +#define R500_WRITEMASK_AB 0xC #define R500_WRITEMASK_ARGB 0xF /* 1/(2pi), needed for quick modulus in trig insts @@ -678,20 +682,19 @@ static GLboolean parse_program(struct r500_fragment_program *fp) | R500_ALU_RGBA_ADDRD(dest); break; case OPCODE_LIT: - /* I think I've got a pretty good path through this. - * MAX temp1, tmp, [0, 0, 0, -128]; - * MIN temp1.w, temp1.w, [128]; - * POW temp1.z, temp1.y, temp1.w; (3 insts) - * MOV result.xyzw, [1, temp1.y, temp1.z, 1]; */ + /* To be honest, I have no idea how I came up with the following. + * All I know is that it's based on the r3xx stuff, and was + * concieved with the help of NyQuil. Mmm, MyQuil. */ + + /* First instruction */ src[0] = make_src(fp, fpi->SrcReg[0]); src[1] = emit_const4fv(fp, LIT); fp->inst[counter].inst0 = R500_INST_TYPE_ALU | R500_INST_TEX_SEM_WAIT - | (R500_WRITEMASK_ARGB << 11); + | (R500_WRITEMASK_ARG << 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]); 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(R500_SWIZ_RGB_ZERO); fp->inst[counter].inst4 = R500_ALPHA_OP_MAX | R500_ALPHA_ADDRD(get_temp(fp, 0)) @@ -700,81 +703,80 @@ static GLboolean parse_program(struct r500_fragment_program *fp) fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAX | R500_ALU_RGBA_ADDRD(get_temp(fp, 0)); counter++; - fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_A << 11); + /* Second instruction */ + fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_AB << 11); fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0)); fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)) | R500_ALPHA_ADDR1(src[1]); + /* Select [z, z, z, y] */ + temp_swiz = 2 | (2 << 3) | (2 << 6); fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 - | MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_RGB) + | MAKE_SWIZ_RGB_A(temp_swiz) | R500_ALU_RGB_SEL_B_SRC0 | MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_RGB); - fp->inst[counter].inst4 = R500_ALPHA_OP_MAX + fp->inst[counter].inst4 = R500_ALPHA_OP_LN2 | R500_ALPHA_ADDRD(get_temp(fp, 0)) - | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A - | R500_ALPHA_SEL_B_SRC1 | R500_ALPHA_SWIZ_B_A | R500_ALPHA_MOD_B_NEG; - fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MAX + | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_G; + fp->inst[counter].inst5 = R500_ALU_RGBA_OP_MIN | R500_ALU_RGBA_ADDRD(get_temp(fp, 0)); counter++; - fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_ARGB << 11); + /* Third instruction */ + fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_AG << 11); fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0)); fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)); - fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 - | MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_RGB); - fp->inst[counter].inst4 = R500_ALPHA_OP_LN2 - | R500_ALPHA_ADDRD(get_temp(fp, 1)) - | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_G; - fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP - | R500_ALU_RGBA_ADDRD(get_temp(fp, 1)); - 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(get_temp(fp, 1)); - fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)) - | R500_ALPHA_ADDR1(get_temp(fp, 1)); - /* Select [w, w, w, w] */ - temp_swiz = 3 | (3 << 3) | (3 << 6); + /* Select [x, x, x, z] */ + temp_swiz = 0; fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 | MAKE_SWIZ_RGB_A(temp_swiz) - | R500_ALU_RGB_SEL_B_SRC1 - | MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_RGB); + | R500_ALU_RGB_SEL_B_SRC0 + | MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_ONE); fp->inst[counter].inst4 = R500_ALPHA_OP_MAD | R500_ALPHA_ADDRD(get_temp(fp, 1)) - | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A - | R500_ALPHA_SEL_B_SRC1 | R500_ALPHA_SWIZ_B_A; + | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_B + | R500_ALPHA_SEL_B_SRC0 | R500_ALPHA_SWIZ_B_A; 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); + | R500_ALU_RGBA_A_SWIZ_0; counter++; - fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_G << 11); - 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(R500_SWIZ_RGB_RGB); + /* Fourth instruction */ + fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_AR << 11); + fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)); + fp->inst[counter].inst3 = MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_ONE) + | MAKE_SWIZ_RGB_B(R500_SWIZ_RGB_ONE); fp->inst[counter].inst4 = R500_ALPHA_OP_EX2 | R500_ALPHA_ADDRD(get_temp(fp, 0)) | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_A; - fp->inst[counter].inst5 = R500_ALU_RGBA_OP_SOP - | R500_ALU_RGBA_ADDRD(get_temp(fp, 0)); + 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); + /* Fifth instruction */ + fp->inst[counter].inst0 = R500_INST_TYPE_ALU | (R500_WRITEMASK_AB << 11); fp->inst[counter].inst1 = R500_RGB_ADDR0(get_temp(fp, 0)); - fp->inst[counter].inst2 = R500_ALPHA_ADDR0(get_temp(fp, 0)); - /* Select [1, y, z, 1] */ - temp_swiz = R500_SWIZZLE_ONE | (2 << 3) | (3 << 6); + /* Select [w, w, w] */ + temp_swiz = 3 | (3 << 3) | (3 << 6); fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 - | MAKE_SWIZ_RGB_A(temp_swiz) + | MAKE_SWIZ_RGB_A(R500_SWIZ_RGB_ZERO) | R500_ALU_RGB_SEL_B_SRC0 - | MAKE_SWIZ_RGB_B(temp_swiz) - | R500_ALU_RGB_OMOD_DISABLE; - fp->inst[counter].inst4 |= R500_ALPHA_OP_CMP - | R500_ALPHA_ADDRD(dest) - | R500_ALPHA_SEL_A_SRC0 | R500_ALPHA_SWIZ_A_1 - | R500_ALPHA_SEL_B_SRC0 | R500_ALPHA_SWIZ_B_1 - | R500_ALPHA_OMOD_DISABLE; + | MAKE_SWIZ_RGB_B(temp_swiz); + fp->inst[counter].inst4 |= R500_ALPHA_OP_MAD + | R500_ALPHA_ADDRD(get_temp(fp, 0)) + | R500_ALPHA_SWIZ_A_1 + | R500_ALPHA_SWIZ_B_1; + /* Select [-y, -y, -y] */ + temp_swiz = 1 | (1 << 3) | (1 << 6); fp->inst[counter].inst5 = R500_ALU_RGBA_OP_CMP - | R500_ALU_RGBA_ADDRD(dest) - | MAKE_SWIZ_RGBA_C(R500_SWIZ_RGB_ZERO) + | R500_ALU_RGBA_ADDRD(get_temp(fp, 0)) + | MAKE_SWIZ_RGBA_C(temp_swiz) + | R500_ALU_RGBA_MOD_C_NEG | MAKE_SWIZ_ALPHA_C(R500_SWIZZLE_ZERO); + counter++; + /* Final instruction */ + emit_alu(fp, counter, fpi); + fpi->SrcReg[0].Index = get_temp(fp, 0); + fpi->SrcReg[0].Swizzle = 1672; + emit_mov(fp, counter, fpi->SrcReg[0], dest); break; case OPCODE_LRP: /* src0 * src1 + INV(src0) * src2 |