diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_shader.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_state_shader.c | 153 |
1 files changed, 111 insertions, 42 deletions
diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c index 1b02239ee7..cc7f6a7c4b 100644 --- a/src/gallium/drivers/r300/r300_state_shader.c +++ b/src/gallium/drivers/r300/r300_state_shader.c @@ -22,24 +22,6 @@ #include "r300_state_shader.h" -static void r300_copy_passthrough_shader(struct r300_fragment_shader* fs) -{ - struct r300_fragment_shader* pt = &r300_passthrough_fragment_shader; - fs->shader.stack_size = pt->shader.stack_size; - fs->alu_instruction_count = pt->alu_instruction_count; - fs->tex_instruction_count = pt->tex_instruction_count; - fs->indirections = pt->indirections; - fs->instructions[0] = pt->instructions[0]; -} - -static void r500_copy_passthrough_shader(struct r500_fragment_shader* fs) -{ - struct r500_fragment_shader* pt = &r500_passthrough_fragment_shader; - fs->shader.stack_size = pt->shader.stack_size; - fs->instruction_count = pt->instruction_count; - fs->instructions[0] = pt->instructions[0]; -} - static void r300_fs_declare(struct r300_fs_asm* assembler, struct tgsi_full_declaration* decl) { @@ -49,6 +31,7 @@ static void r300_fs_declare(struct r300_fs_asm* assembler, case TGSI_SEMANTIC_COLOR: assembler->color_count++; break; + case TGSI_SEMANTIC_FOG: case TGSI_SEMANTIC_GENERIC: assembler->tex_count++; break; @@ -59,6 +42,12 @@ static void r300_fs_declare(struct r300_fs_asm* assembler, } break; case TGSI_FILE_OUTPUT: + /* Depth write. Mark the position of the output so we can + * identify it later. */ + if (decl->Semantic.SemanticName == TGSI_SEMANTIC_POSITION) { + assembler->depth_output = decl->DeclarationRange.First; + } + break; case TGSI_FILE_CONSTANT: break; case TGSI_FILE_TEMPORARY: @@ -120,6 +109,14 @@ static INLINE unsigned r300_fs_dst(struct r300_fs_asm* assembler, return 0; } +static INLINE boolean r300_fs_is_depr(struct r300_fs_asm* assembler, + struct tgsi_dst_register* dst) +{ + return (assembler->writes_depth && + (dst->File == TGSI_FILE_OUTPUT) && + (dst->Index == assembler->depth_output)); +} + static INLINE unsigned r500_fix_swiz(unsigned s) { /* For historical reasons, the swizzle values x, y, z, w, and 0 are @@ -194,11 +191,17 @@ static INLINE uint32_t r300_alpha_op(unsigned op) static INLINE uint32_t r500_rgba_op(unsigned op) { switch (op) { + case TGSI_OPCODE_COS: case TGSI_OPCODE_EX2: case TGSI_OPCODE_LG2: case TGSI_OPCODE_RCP: case TGSI_OPCODE_RSQ: + case TGSI_OPCODE_SIN: return R500_ALU_RGBA_OP_SOP; + case TGSI_OPCODE_DDX: + return R500_ALU_RGBA_OP_MDH; + case TGSI_OPCODE_DDY: + return R500_ALU_RGBA_OP_MDV; case TGSI_OPCODE_FRC: return R500_ALU_RGBA_OP_FRC; case TGSI_OPCODE_DP3: @@ -224,6 +227,8 @@ static INLINE uint32_t r500_rgba_op(unsigned op) static INLINE uint32_t r500_alpha_op(unsigned op) { switch (op) { + case TGSI_OPCODE_COS: + return R500_ALPHA_OP_COS; case TGSI_OPCODE_EX2: return R500_ALPHA_OP_EX2; case TGSI_OPCODE_LG2: @@ -234,6 +239,12 @@ static INLINE uint32_t r500_alpha_op(unsigned op) return R500_ALPHA_OP_RSQ; case TGSI_OPCODE_FRC: return R500_ALPHA_OP_FRC; + case TGSI_OPCODE_SIN: + return R500_ALPHA_OP_SIN; + case TGSI_OPCODE_DDX: + return R500_ALPHA_OP_MDH; + case TGSI_OPCODE_DDY: + return R500_ALPHA_OP_MDV; case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: case TGSI_OPCODE_DPH: @@ -295,38 +306,34 @@ static INLINE void r300_emit_maths(struct r300_fragment_shader* fs, } /* Setup an ALU operation. */ -static INLINE void r500_emit_alu(struct r500_fragment_shader* fs, - struct r300_fs_asm* assembler, - struct tgsi_full_dst_register* dst) +static INLINE void r500_emit_maths(struct r500_fragment_shader* fs, + struct r300_fs_asm* assembler, + struct tgsi_full_src_register* src, + struct tgsi_full_dst_register* dst, + unsigned op, + unsigned count) { int i = fs->instruction_count; if (dst->DstRegister.File == TGSI_FILE_OUTPUT) { - fs->instructions[i].inst0 = R500_INST_TYPE_OUT | - R500_ALU_OMASK(dst->DstRegister.WriteMask); + fs->instructions[i].inst0 = R500_INST_TYPE_OUT; + if (r300_fs_is_depr(assembler, dst)) { + fs->instructions[i].inst4 = R500_W_OMASK; + } else { + fs->instructions[i].inst0 |= + R500_ALU_OMASK(dst->DstRegister.WriteMask); + } } else { fs->instructions[i].inst0 = R500_INST_TYPE_ALU | - R500_ALU_WMASK(dst->DstRegister.WriteMask); + R500_ALU_WMASK(dst->DstRegister.WriteMask); } fs->instructions[i].inst0 |= R500_INST_TEX_SEM_WAIT; - fs->instructions[i].inst4 = + fs->instructions[i].inst4 |= R500_ALPHA_ADDRD(r300_fs_dst(assembler, &dst->DstRegister)); fs->instructions[i].inst5 = R500_ALU_RGBA_ADDRD(r300_fs_dst(assembler, &dst->DstRegister)); -} - -static INLINE void r500_emit_maths(struct r500_fragment_shader* fs, - struct r300_fs_asm* assembler, - struct tgsi_full_src_register* src, - struct tgsi_full_dst_register* dst, - unsigned op, - unsigned count) -{ - int i = fs->instruction_count; - - r500_emit_alu(fs, assembler, dst); switch (count) { case 3: @@ -348,8 +355,8 @@ static INLINE void r500_emit_maths(struct r500_fragment_shader* fs, R500_ALU_RGB_SEL_B_SRC1 | R500_SWIZ_RGB_B(r500_rgb_swiz(&src[1])); fs->instructions[i].inst4 |= - R500_SWIZ_ALPHA_B(r500_alpha_swiz(&src[1])) | - R500_ALPHA_SEL_B_SRC1; + R500_ALPHA_SEL_B_SRC1 | + R500_SWIZ_ALPHA_B(r500_alpha_swiz(&src[1])); case 1: case 0: default: @@ -361,8 +368,8 @@ static INLINE void r500_emit_maths(struct r500_fragment_shader* fs, R500_ALU_RGB_SEL_A_SRC0 | R500_SWIZ_RGB_A(r500_rgb_swiz(&src[0])); fs->instructions[i].inst4 |= - R500_SWIZ_ALPHA_A(r500_alpha_swiz(&src[0])) | - R500_ALPHA_SEL_A_SRC0; + R500_ALPHA_SEL_A_SRC0 | + R500_SWIZ_ALPHA_A(r500_alpha_swiz(&src[0])); break; } @@ -441,6 +448,9 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, * AMD/ATI names for opcodes, please, as it facilitates using the * documentation. */ switch (inst->Instruction.Opcode) { + /* XXX trig needs extra prep */ + case TGSI_OPCODE_COS: + case TGSI_OPCODE_SIN: /* The simple scalar ops. */ case TGSI_OPCODE_EX2: case TGSI_OPCODE_LG2: @@ -452,6 +462,8 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, inst->FullSrcRegisters[0].SrcRegister.SwizzleW = inst->FullSrcRegisters[0].SrcRegister.SwizzleX; /* Fall through */ + case TGSI_OPCODE_DDX: + case TGSI_OPCODE_DDY: case TGSI_OPCODE_FRC: r500_emit_maths(fs, assembler, inst->FullSrcRegisters, &inst->FullDstRegisters[0], inst->Instruction.Opcode, 1); @@ -527,6 +539,60 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, &inst->FullDstRegisters[0], inst->Instruction.Opcode, 3); break; + /* The compound and hybrid insts. */ + case TGSI_OPCODE_LRP: + /* LRP DST A, B, C -> MAD TMP -A, C, C; MAD DST A, B, TMP */ + inst->FullSrcRegisters[3] = inst->FullSrcRegisters[1]; + inst->FullSrcRegisters[1] = inst->FullSrcRegisters[2]; + inst->FullSrcRegisters[0].SrcRegister.Negate = + !(inst->FullSrcRegisters[0].SrcRegister.Negate); + inst->FullDstRegisters[1] = inst->FullDstRegisters[0]; + inst->FullDstRegisters[0].DstRegister.Index = + assembler->temp_count; + inst->FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + r500_emit_maths(fs, assembler, inst->FullSrcRegisters, + &inst->FullDstRegisters[0], TGSI_OPCODE_MAD, 3); + inst->FullSrcRegisters[2].SrcRegister.Index = + assembler->temp_count; + inst->FullSrcRegisters[2].SrcRegister.File = TGSI_FILE_TEMPORARY; + inst->FullSrcRegisters[2].SrcRegister.SwizzleX = TGSI_SWIZZLE_X; + inst->FullSrcRegisters[2].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y; + inst->FullSrcRegisters[2].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Z; + inst->FullSrcRegisters[2].SrcRegister.SwizzleW = TGSI_SWIZZLE_W; + inst->FullSrcRegisters[1] = inst->FullSrcRegisters[3]; + inst->FullSrcRegisters[0].SrcRegister.Negate = + !(inst->FullSrcRegisters[0].SrcRegister.Negate); + inst->FullDstRegisters[0] = inst->FullDstRegisters[1]; + r500_emit_maths(fs, assembler, inst->FullSrcRegisters, + &inst->FullDstRegisters[0], TGSI_OPCODE_MAD, 3); + break; + case TGSI_OPCODE_POW: + /* POW DST A, B -> LG2 TMP A; MUL TMP TMP, B; EX2 DST TMP */ + inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleW = + inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleX; + inst->FullSrcRegisters[0].SrcRegister.SwizzleW = + inst->FullSrcRegisters[0].SrcRegister.SwizzleX; + inst->FullDstRegisters[1] = inst->FullDstRegisters[0]; + inst->FullDstRegisters[0].DstRegister.Index = + assembler->temp_count; + inst->FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + r500_emit_maths(fs, assembler, inst->FullSrcRegisters, + &inst->FullDstRegisters[0], TGSI_OPCODE_LG2, 1); + inst->FullSrcRegisters[0].SrcRegister.Index = + assembler->temp_count; + inst->FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + inst->FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X; + inst->FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y; + inst->FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Z; + inst->FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_W; + inst->FullSrcRegisters[2] = r500_constant_zero; + r500_emit_maths(fs, assembler, inst->FullSrcRegisters, + &inst->FullDstRegisters[0], TGSI_OPCODE_MUL, 3); + inst->FullDstRegisters[0] = inst->FullDstRegisters[1]; + r500_emit_maths(fs, assembler, inst->FullSrcRegisters, + &inst->FullDstRegisters[0], TGSI_OPCODE_EX2, 1); + break; + /* The texture instruction set. */ case TGSI_OPCODE_KIL: case TGSI_OPCODE_TEX: @@ -555,7 +621,7 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, static void r300_fs_finalize(struct r3xx_fragment_shader* fs, struct r300_fs_asm* assembler) { - fs->stack_size = assembler->temp_count + assembler->temp_offset; + fs->stack_size = assembler->temp_count + assembler->temp_offset + 1; } static void r500_fs_finalize(struct r500_fragment_shader* fs, @@ -581,6 +647,8 @@ void r300_translate_fragment_shader(struct r300_context* r300, } /* Setup starting offset for immediates. */ assembler->imm_offset = consts->user_count; + /* Enable depth writes, if needed. */ + assembler->writes_depth = fs->info.writes_z; /* Make sure we start at the beginning of the shader. */ if (is_r500) { @@ -630,6 +698,7 @@ void r300_translate_fragment_shader(struct r300_context* r300, assembler->tex_count + assembler->color_count); consts->count = consts->user_count + assembler->imm_count; + fs->uses_imms = assembler->imm_count; debug_printf("r300: fs: %d total constants, " "%d from user and %d from immediates\n", consts->count, consts->user_count, assembler->imm_count); |