diff options
| author | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-03-11 11:23:15 -0700 |
|---|---|---|
| committer | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-03-11 15:23:09 -0700 |
| commit | 6b1596aed3fccc6f6edbbb931f8eca96a7163b9d (patch) | |
| tree | 999820d6ffc39bce8c1b2f8be3e279ecb4da7e22 /src/gallium | |
| parent | ddba20b064253f0556e078157ba6ff8f3250441b (diff) | |
r300-gallium: r500-fs: Add SWZ.
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_shader.c | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c index 65d5c5a596..07705adaf4 100644 --- a/src/gallium/drivers/r300/r300_state_shader.c +++ b/src/gallium/drivers/r300/r300_state_shader.c @@ -68,17 +68,37 @@ static void r300_fs_declare(struct r300_fs_asm* assembler, assembler->temp_offset = assembler->color_count + assembler->tex_count; } -/* XXX cover extended cases */ -static INLINE uint32_t r500_rgb_swiz(struct tgsi_src_register* reg) +static INLINE unsigned r500_fix_swiz(unsigned s) { - uint32_t temp = reg->SwizzleX | (reg->SwizzleY << 3) | - (reg->SwizzleZ << 6); - return temp; + /* For historical reasons, the swizzle values x, y, z, w, and 0 are + * equivalent to the actual machine code, but 1 is not. Thus, we just + * adjust it a bit... */ + if (s == TGSI_EXTSWIZZLE_ONE) { + return R500_SWIZZLE_ONE; + } else { + return s; + } +} + +static INLINE uint32_t r500_rgb_swiz(struct tgsi_full_src_register* reg) +{ + if (reg->SrcRegister.Extended) { + return r500_fix_swiz(reg->SrcRegisterExtSwz.ExtSwizzleX) | + (r500_fix_swiz(reg->SrcRegisterExtSwz.ExtSwizzleY) << 3) | + (r500_fix_swiz(reg->SrcRegisterExtSwz.ExtSwizzleZ) << 6); + } else { + return reg->SrcRegister.SwizzleX | (reg->SrcRegister.SwizzleY << 3) | + (reg->SrcRegister.SwizzleZ << 6); + } } -static INLINE uint32_t r500_alpha_swiz(struct tgsi_src_register* reg) +static INLINE uint32_t r500_alpha_swiz(struct tgsi_full_src_register* reg) { - return reg->SwizzleZ; + if (reg->SrcRegister.Extended) { + return r500_fix_swiz(reg->SrcRegisterExtSwz.ExtSwizzleW); + } else { + return reg->SrcRegister.SwizzleW; + } } static INLINE void r500_emit_mov(struct r500_fragment_shader* fs, @@ -98,12 +118,12 @@ static INLINE void r500_emit_mov(struct r500_fragment_shader* fs, R500_ALPHA_ADDR0(0) | R500_ALPHA_ADDR1(0) | R500_ALPHA_ADDR1_CONST | R500_ALPHA_ADDR2(0) | R500_ALPHA_ADDR2_CONST; fs->instructions[i].inst3 = R500_ALU_RGB_SEL_A_SRC0 | - R500_SWIZ_RGB_A(r500_rgb_swiz(&src->SrcRegister)) | + R500_SWIZ_RGB_A(r500_rgb_swiz(src)) | R500_ALU_RGB_SEL_B_SRC0 | - R500_SWIZ_RGB_B(r500_rgb_swiz(&src->SrcRegister)); + R500_SWIZ_RGB_B(r500_rgb_swiz(src)); fs->instructions[i].inst4 = R500_ALPHA_OP_CMP | - R500_SWIZ_ALPHA_A(r500_alpha_swiz(&src->SrcRegister)) | - R500_SWIZ_ALPHA_B(r500_alpha_swiz(&src->SrcRegister)); + R500_SWIZ_ALPHA_A(r500_alpha_swiz(src)) | + R500_SWIZ_ALPHA_B(r500_alpha_swiz(src)); fs->instructions[i].inst5 = R500_ALU_RGBA_OP_CMP | R500_ALU_RGBA_R_SWIZ_0 | R500_ALU_RGBA_G_SWIZ_0 | R500_ALU_RGBA_B_SWIZ_0 | @@ -121,6 +141,7 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, * documentation. */ switch (inst->Instruction.Opcode) { case TGSI_OPCODE_MOV: + case TGSI_OPCODE_SWZ: r500_emit_mov(fs, assembler, &inst->FullSrcRegisters[0], &inst->FullDstRegisters[0]); break; |