diff options
| author | Corbin Simpson <[email protected]> | 2009-03-10 20:43:11 -0700 |
|---|---|---|
| committer | Corbin Simpson <[email protected]> | 2009-03-11 15:23:08 -0700 |
| commit | d13e4bd1cbb1ef1ef2ed69d24bc8da790a10bdd3 (patch) | |
| tree | 486ccb1e45730b86e56f2ed71b743d1012978ed3 /src | |
| parent | 8b212503052b767561d85108c435f375e0228f44 (diff) | |
r300-gallium: Start swizzles.
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_shader.c | 27 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_shader.h | 23 |
2 files changed, 43 insertions, 7 deletions
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c index 7165efdc19b..65d5c5a596e 100644 --- a/src/gallium/drivers/r300/r300_state_shader.c +++ b/src/gallium/drivers/r300/r300_state_shader.c @@ -68,6 +68,19 @@ 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) +{ + uint32_t temp = reg->SwizzleX | (reg->SwizzleY << 3) | + (reg->SwizzleZ << 6); + return temp; +} + +static INLINE uint32_t r500_alpha_swiz(struct tgsi_src_register* reg) +{ + return reg->SwizzleZ; +} + static INLINE void r500_emit_mov(struct r500_fragment_shader* fs, struct r300_fs_asm* assembler, struct tgsi_full_src_register* src, @@ -84,13 +97,13 @@ static INLINE void r500_emit_mov(struct r500_fragment_shader* fs, fs->instructions[i].inst2 = 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_ALU_RGB_R_SWIZ_A_R | - R500_ALU_RGB_G_SWIZ_A_G | R500_ALU_RGB_B_SWIZ_A_B | - R500_ALU_RGB_SEL_B_SRC0 | R500_ALU_RGB_R_SWIZ_B_R | - R500_ALU_RGB_B_SWIZ_B_G | R500_ALU_RGB_G_SWIZ_B_B, - fs->instructions[i].inst4 = - R500_ALPHA_OP_CMP | R500_ALPHA_SWIZ_A_A | R500_ALPHA_SWIZ_B_A; + fs->instructions[i].inst3 = R500_ALU_RGB_SEL_A_SRC0 | + R500_SWIZ_RGB_A(r500_rgb_swiz(&src->SrcRegister)) | + R500_ALU_RGB_SEL_B_SRC0 | + R500_SWIZ_RGB_B(r500_rgb_swiz(&src->SrcRegister)); + 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)); 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 | diff --git a/src/gallium/drivers/r300/r300_state_shader.h b/src/gallium/drivers/r300/r300_state_shader.h index 333f0f5d050..410926a26a5 100644 --- a/src/gallium/drivers/r300/r300_state_shader.h +++ b/src/gallium/drivers/r300/r300_state_shader.h @@ -29,6 +29,29 @@ #include "r300_reg.h" #include "r300_screen.h" +/* Swizzle tools */ +#define R500_SWIZZLE_ZERO 4 +#define R500_SWIZZLE_HALF 5 +#define R500_SWIZZLE_ONE 6 +#define R500_SWIZ_RGB_ZERO ((4 << 0) | (4 << 3) | (4 << 6)) +#define R500_SWIZ_RGB_ONE ((6 << 0) | (6 << 3) | (6 << 6)) +#define R500_SWIZ_RGB_RGB ((0 << 0) | (1 << 3) | (2 << 6)) +#define R500_SWIZ_MOD_NEG 1 +#define R500_SWIZ_MOD_ABS 2 +#define R500_SWIZ_MOD_NEG_ABS 3 +/* Swizzles for inst2 */ +#define R500_SWIZ_TEX_STRQ(x) (x << 8) +#define R500_SWIZ_TEX_RGBA(x) (x << 24) +/* Swizzles for inst3 */ +#define R500_SWIZ_RGB_A(x) (x << 2) +#define R500_SWIZ_RGB_B(x) (x << 15) +/* Swizzles for inst4 */ +#define R500_SWIZ_ALPHA_A(x) (x << 14) +#define R500_SWIZ_ALPHA_B(x) (x << 21) +/* Swizzle for inst5 */ +#define R500_SWIZ_RGBA_C(x) (x << 14) +#define R500_SWIZ_ALPHA_C(x) (x << 27) + /* Temporary struct used to hold assembly state while putting together * fragment programs. */ struct r300_fs_asm { |