diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_vs.c | 518 |
1 files changed, 169 insertions, 349 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c index 741a1b69895..2cb903bba2f 100644 --- a/src/gallium/drivers/r300/r300_vs.c +++ b/src/gallium/drivers/r300/r300_vs.c @@ -22,393 +22,213 @@ #include "r300_vs.h" -static void r300_vs_declare(struct r300_vs_asm* assembler, - struct tgsi_full_declaration* decl) -{ - switch (decl->Declaration.File) { - case TGSI_FILE_INPUT: - break; - case TGSI_FILE_OUTPUT: - switch (decl->Semantic.SemanticName) { - case TGSI_SEMANTIC_POSITION: - assembler->tab[decl->DeclarationRange.First] = 0; - break; - case TGSI_SEMANTIC_COLOR: - assembler->tab[decl->DeclarationRange.First] = - (assembler->point_size ? 1 : 0) + - assembler->out_colors; - break; - case TGSI_SEMANTIC_FOG: - case TGSI_SEMANTIC_GENERIC: - /* XXX multiple? */ - assembler->tab[decl->DeclarationRange.First] = - (assembler->point_size ? 1 : 0) + - assembler->out_colors + - assembler->out_texcoords; - break; - case TGSI_SEMANTIC_PSIZE: - assembler->tab[decl->DeclarationRange.First] = 1; - break; - default: - debug_printf("r300: vs: Bad semantic declaration %d\n", - decl->Semantic.SemanticName); - break; - } - break; - case TGSI_FILE_CONSTANT: - break; - case TGSI_FILE_TEMPORARY: - assembler->temp_count++; - break; - default: - debug_printf("r300: vs: Bad file %d\n", decl->Declaration.File); - break; - } -} - -static INLINE unsigned r300_vs_src_type(struct r300_vs_asm* assembler, - struct tgsi_src_register* src) -{ - switch (src->File) { - case TGSI_FILE_NULL: - case TGSI_FILE_INPUT: - /* Probably a zero or one swizzle */ - return R300_PVS_SRC_REG_INPUT; - case TGSI_FILE_TEMPORARY: - return R300_PVS_SRC_REG_TEMPORARY; - case TGSI_FILE_CONSTANT: - case TGSI_FILE_IMMEDIATE: - return R300_PVS_SRC_REG_CONSTANT; - default: - debug_printf("r300: vs: Unimplemented src type %d\n", src->File); - break; - } - return 0; -} - -static INLINE unsigned r300_vs_src(struct r300_vs_asm* assembler, - struct tgsi_src_register* src) -{ - switch (src->File) { - case TGSI_FILE_NULL: - case TGSI_FILE_INPUT: - case TGSI_FILE_TEMPORARY: - case TGSI_FILE_CONSTANT: - return src->Index; - case TGSI_FILE_IMMEDIATE: - return src->Index + assembler->imm_offset; - default: - debug_printf("r300: vs: Unimplemented src type %d\n", src->File); - break; - } - return 0; -} - -static INLINE unsigned r300_vs_dst_type(struct r300_vs_asm* assembler, - struct tgsi_dst_register* dst) -{ - switch (dst->File) { - case TGSI_FILE_TEMPORARY: - return R300_PVS_DST_REG_TEMPORARY; - case TGSI_FILE_OUTPUT: - return R300_PVS_DST_REG_OUT; - default: - debug_printf("r300: vs: Unimplemented dst type %d\n", dst->File); - break; - } - return 0; -} - -static INLINE unsigned r300_vs_dst(struct r300_vs_asm* assembler, - struct tgsi_dst_register* dst) -{ - switch (dst->File) { - case TGSI_FILE_TEMPORARY: - return dst->Index; - case TGSI_FILE_OUTPUT: - return assembler->tab[dst->Index]; - default: - debug_printf("r300: vs: Unimplemented dst %d\n", dst->File); - break; - } - return 0; -} - -static uint32_t r300_vs_op(unsigned op) -{ - switch (op) { - case TGSI_OPCODE_DP3: - case TGSI_OPCODE_DP4: - return R300_VE_DOT_PRODUCT; - case TGSI_OPCODE_MUL: - return R300_VE_MULTIPLY; - case TGSI_OPCODE_ADD: - case TGSI_OPCODE_MOV: - case TGSI_OPCODE_SUB: - case TGSI_OPCODE_SWZ: - return R300_VE_ADD; - case TGSI_OPCODE_MAX: - return R300_VE_MAXIMUM; - case TGSI_OPCODE_SLT: - return R300_VE_SET_LESS_THAN; - case TGSI_OPCODE_RSQ: - return R300_PVS_DST_MATH_INST | R300_ME_RECIP_DX; - case TGSI_OPCODE_MAD: - return R300_PVS_DST_MACRO_INST | R300_PVS_MACRO_OP_2CLK_MADD; - default: - break; - } - return 0; -} - -static uint32_t r300_vs_swiz(struct tgsi_full_src_register* reg) -{ - if (reg->SrcRegister.Extended) { - return (reg->SrcRegister.Negate ? (0xf << 12) : 0) | - reg->SrcRegisterExtSwz.ExtSwizzleX | - (reg->SrcRegisterExtSwz.ExtSwizzleY << 3) | - (reg->SrcRegisterExtSwz.ExtSwizzleZ << 6) | - (reg->SrcRegisterExtSwz.ExtSwizzleW << 9); - } else { - return (reg->SrcRegister.Negate ? (0xf << 12) : 0) | - reg->SrcRegister.SwizzleX | - (reg->SrcRegister.SwizzleY << 3) | - (reg->SrcRegister.SwizzleZ << 6) | - (reg->SrcRegister.SwizzleW << 9); - } -} +#include "r300_context.h" +#include "r300_tgsi_to_rc.h" -/* XXX icky icky icky icky */ -static uint32_t r300_vs_scalar_swiz(struct tgsi_full_src_register* reg) -{ - if (reg->SrcRegister.Extended) { - return (reg->SrcRegister.Negate ? (0xf << 12) : 0) | - reg->SrcRegisterExtSwz.ExtSwizzleX | - (reg->SrcRegisterExtSwz.ExtSwizzleX << 3) | - (reg->SrcRegisterExtSwz.ExtSwizzleX << 6) | - (reg->SrcRegisterExtSwz.ExtSwizzleX << 9); - } else { - return (reg->SrcRegister.Negate ? (0xf << 12) : 0) | - reg->SrcRegister.SwizzleX | - (reg->SrcRegister.SwizzleX << 3) | - (reg->SrcRegister.SwizzleX << 6) | - (reg->SrcRegister.SwizzleX << 9); - } -} +#include "tgsi/tgsi_dump.h" +#include "tgsi/tgsi_parse.h" -/* XXX scalar stupidity */ -static void r300_vs_emit_inst(struct r300_vertex_shader* vs, - struct r300_vs_asm* assembler, - struct tgsi_full_src_register* src, - struct tgsi_full_dst_register* dst, - unsigned op, - unsigned count, - boolean is_scalar) -{ - int i = vs->instruction_count; - vs->instructions[i].inst0 = R300_PVS_DST_OPCODE(r300_vs_op(op)) | - R300_PVS_DST_REG_TYPE(r300_vs_dst_type(assembler, &dst->DstRegister)) | - R300_PVS_DST_OFFSET(r300_vs_dst(assembler, &dst->DstRegister)) | - R300_PVS_DST_WE(dst->DstRegister.WriteMask); - switch (count) { - case 3: - vs->instructions[i].inst3 = - R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler, - &src[2].SrcRegister)) | - R300_PVS_SRC_OFFSET(r300_vs_src(assembler, - &src[2].SrcRegister)) | - R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[2])); - /* Fall through */ - case 2: - vs->instructions[i].inst2 = - R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler, - &src[1].SrcRegister)) | - R300_PVS_SRC_OFFSET(r300_vs_src(assembler, - &src[1].SrcRegister)) | - R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[1])); - /* Fall through */ - case 1: - vs->instructions[i].inst1 = - R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler, - &src[0].SrcRegister)) | - R300_PVS_SRC_OFFSET(r300_vs_src(assembler, - &src[0].SrcRegister)) | - /* XXX the icky, it burns */ - R300_PVS_SRC_SWIZZLE(is_scalar ? r300_vs_scalar_swiz(&src[0]) - : r300_vs_swiz(&src[0])); - break; - } - vs->instruction_count++; -} +#include "radeon_compiler.h" -static void r300_vs_instruction(struct r300_vertex_shader* vs, - struct r300_vs_asm* assembler, - struct tgsi_full_instruction* inst) -{ - switch (inst->Instruction.Opcode) { - case TGSI_OPCODE_RSQ: - r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters, - &inst->FullDstRegisters[0], inst->Instruction.Opcode, - 1, TRUE); - break; - case TGSI_OPCODE_SUB: - inst->FullSrcRegisters[1].SrcRegister.Negate = - !inst->FullSrcRegisters[1].SrcRegister.Negate; - /* Fall through */ - case TGSI_OPCODE_ADD: - case TGSI_OPCODE_MUL: - case TGSI_OPCODE_MAX: - case TGSI_OPCODE_SLT: - r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters, - &inst->FullDstRegisters[0], inst->Instruction.Opcode, - 2, FALSE); - break; - case TGSI_OPCODE_DP3: - /* Set alpha swizzle to zero for src0 and src1 */ - if (!inst->FullSrcRegisters[0].SrcRegister.Extended) { - inst->FullSrcRegisters[0].SrcRegister.Extended = TRUE; - inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleX = - inst->FullSrcRegisters[0].SrcRegister.SwizzleX; - inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleY = - inst->FullSrcRegisters[0].SrcRegister.SwizzleY; - inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleZ = - inst->FullSrcRegisters[0].SrcRegister.SwizzleZ; - } - inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleW = - TGSI_EXTSWIZZLE_ZERO; - if (!inst->FullSrcRegisters[1].SrcRegister.Extended) { - inst->FullSrcRegisters[1].SrcRegister.Extended = TRUE; - inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleX = - inst->FullSrcRegisters[1].SrcRegister.SwizzleX; - inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleY = - inst->FullSrcRegisters[1].SrcRegister.SwizzleY; - inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleZ = - inst->FullSrcRegisters[1].SrcRegister.SwizzleZ; - } - inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleW = - TGSI_EXTSWIZZLE_ZERO; - /* Fall through */ - case TGSI_OPCODE_DP4: - r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters, - &inst->FullDstRegisters[0], inst->Instruction.Opcode, - 2, FALSE); - break; - case TGSI_OPCODE_MOV: - case TGSI_OPCODE_SWZ: - inst->FullSrcRegisters[1] = r300_constant_zero; - r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters, - &inst->FullDstRegisters[0], inst->Instruction.Opcode, - 2, FALSE); - break; - case TGSI_OPCODE_MAD: - r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters, - &inst->FullDstRegisters[0], inst->Instruction.Opcode, - 3, FALSE); - break; - case TGSI_OPCODE_END: - break; - default: - debug_printf("r300: vs: Bad opcode %d\n", - inst->Instruction.Opcode); - break; - } -} -static void r300_vs_init(struct r300_vertex_shader* vs, - struct r300_vs_asm* assembler) +static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c) { + struct r300_vertex_shader * vs = c->UserData; struct tgsi_shader_info* info = &vs->info; + boolean pointsize = false; + int out_colors = 0; + int colors = 0; + int out_generic = 0; + int generic = 0; int i; + /* Fill in the input mapping */ + for (i = 0; i < info->num_inputs; i++) + c->code->inputs[i] = i; + + /* Fill in the output mapping */ for (i = 0; i < info->num_outputs; i++) { switch (info->output_semantic_name[i]) { case TGSI_SEMANTIC_PSIZE: - assembler->point_size = TRUE; + pointsize = true; break; case TGSI_SEMANTIC_COLOR: - assembler->out_colors++; + out_colors++; break; case TGSI_SEMANTIC_FOG: case TGSI_SEMANTIC_GENERIC: - assembler->out_texcoords++; + out_generic++; break; } } - vs->instruction_count = 0; -} - -void r300_translate_vertex_shader(struct r300_context* r300, - struct r300_vertex_shader* vs) -{ struct tgsi_parse_context parser; - int i; - struct r300_constant_buffer* consts = - &r300->shader_constants[PIPE_SHADER_VERTEX]; - - struct r300_vs_asm* assembler = CALLOC_STRUCT(r300_vs_asm); - if (assembler == NULL) { - return; - } - - /* Init assembler. */ - r300_vs_init(vs, assembler); - - /* Setup starting offset for immediates. */ - assembler->imm_offset = consts->user_count; tgsi_parse_init(&parser, vs->state.tokens); while (!tgsi_parse_end_of_tokens(&parser)) { tgsi_parse_token(&parser); - /* This is seriously the lamest way to create fragment programs ever. - * I blame TGSI. */ - switch (parser.FullToken.Token.Type) { - case TGSI_TOKEN_TYPE_DECLARATION: - /* Allocated registers sitting at the beginning - * of the program. */ - r300_vs_declare(assembler, &parser.FullToken.FullDeclaration); + if (parser.FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) + continue; + + struct tgsi_full_declaration * decl = &parser.FullToken.FullDeclaration; + + if (decl->Declaration.File != TGSI_FILE_OUTPUT) + continue; + + switch (decl->Semantic.SemanticName) { + case TGSI_SEMANTIC_POSITION: + c->code->outputs[decl->DeclarationRange.First] = 0; + break; + case TGSI_SEMANTIC_PSIZE: + c->code->outputs[decl->DeclarationRange.First] = 1; + break; + case TGSI_SEMANTIC_COLOR: + c->code->outputs[decl->DeclarationRange.First] = 1 + + (pointsize ? 1 : 0) + + colors++; break; - case TGSI_TOKEN_TYPE_IMMEDIATE: - debug_printf("r300: Emitting immediate to constant buffer, " - "position %d\n", - assembler->imm_offset + assembler->imm_count); - /* I am not amused by the length of these. */ - for (i = 0; i < 4; i++) { - consts->constants[assembler->imm_offset + - assembler->imm_count][i] = - parser.FullToken.FullImmediate.u[i].Float; - } - assembler->imm_count++; + case TGSI_SEMANTIC_FOG: + case TGSI_SEMANTIC_GENERIC: + c->code->outputs[decl->DeclarationRange.First] = 1 + + (pointsize ? 1 : 0) + + out_colors + + generic++; break; - case TGSI_TOKEN_TYPE_INSTRUCTION: - r300_vs_instruction(vs, assembler, - &parser.FullToken.FullInstruction); + default: + debug_printf("r300: vs: Bad semantic declaration %d\n", + decl->Semantic.SemanticName); break; } } - debug_printf("r300: vs: %d texs and %d colors, first free reg is %d\n", - assembler->tex_count, assembler->color_count, - assembler->tex_count + assembler->color_count); + tgsi_parse_free(&parser); +} - consts->count = consts->user_count + assembler->imm_count; - vs->uses_imms = assembler->imm_count; - debug_printf("r300: vs: %d total constants, " - "%d from user and %d from immediates\n", consts->count, - consts->user_count, assembler->imm_count); - debug_printf("r300: vs: tab: %d %d %d %d\n", assembler->tab[0], - assembler->tab[1], assembler->tab[2], assembler->tab[3]); +void r300_translate_vertex_shader(struct r300_context* r300, + struct r300_vertex_shader* vs) +{ + struct r300_vertex_program_compiler compiler; + struct tgsi_to_rc ttr; - tgsi_dump(vs->state.tokens, 0); - /* XXX finish r300 vertex shader dumper */ - r300_vs_dump(vs); + /* Setup the compiler */ + rc_init(&compiler.Base); - tgsi_parse_free(&parser); - FREE(assembler); + compiler.Base.Debug = 1; + compiler.code = &vs->code; + compiler.UserData = vs; + + if (compiler.Base.Debug) { + debug_printf("r300: Initial vertex program\n"); + tgsi_dump(vs->state.tokens, 0); + } + + /* Translate TGSI to our internal representation */ + ttr.compiler = &compiler.Base; + ttr.info = &vs->info; + + r300_tgsi_to_rc(&ttr, vs->state.tokens); + + compiler.RequiredOutputs = ~(~0 << vs->info.num_outputs); + compiler.SetHwInputOutput = &set_vertex_inputs_outputs; + + /* Invoke the compiler */ + r3xx_compile_vertex_program(&compiler); + if (compiler.Base.Error) { + /* Todo: Fail gracefully */ + fprintf(stderr, "r300 VP: Compiler error\n"); + abort(); + } /* And, finally... */ + rc_destroy(&compiler.Base); vs->translated = TRUE; } + + +/* XXX get these to r300_reg */ +#define R300_PVS_DST_OPCODE(x) ((x) << 0) +# define R300_VE_DOT_PRODUCT 1 +# define R300_VE_MULTIPLY 2 +# define R300_VE_ADD 3 +# define R300_VE_MAXIMUM 7 +# define R300_VE_SET_LESS_THAN 10 +#define R300_PVS_DST_MATH_INST (1 << 6) +# define R300_ME_RECIP_DX 6 +#define R300_PVS_DST_MACRO_INST (1 << 7) +# define R300_PVS_MACRO_OP_2CLK_MADD 0 +#define R300_PVS_DST_REG_TYPE(x) ((x) << 8) +# define R300_PVS_DST_REG_TEMPORARY 0 +# define R300_PVS_DST_REG_A0 1 +# define R300_PVS_DST_REG_OUT 2 +# define R300_PVS_DST_REG_OUT_REPL_X 3 +# define R300_PVS_DST_REG_ALT_TEMPORARY 4 +# define R300_PVS_DST_REG_INPUT 5 +#define R300_PVS_DST_OFFSET(x) ((x) << 13) +#define R300_PVS_DST_WE(x) ((x) << 20) +#define R300_PVS_DST_WE_XYZW (0xf << 20) + +#define R300_PVS_SRC_REG_TYPE(x) ((x) << 0) +# define R300_PVS_SRC_REG_TEMPORARY 0 +# define R300_PVS_SRC_REG_INPUT 1 +# define R300_PVS_SRC_REG_CONSTANT 2 +# define R300_PVS_SRC_REG_ALT_TEMPORARY 3 +#define R300_PVS_SRC_OFFSET(x) ((x) << 5) +#define R300_PVS_SRC_SWIZZLE(x) ((x) << 13) +# define R300_PVS_SRC_SELECT_X 0 +# define R300_PVS_SRC_SELECT_Y 1 +# define R300_PVS_SRC_SELECT_Z 2 +# define R300_PVS_SRC_SELECT_W 3 +# define R300_PVS_SRC_SELECT_FORCE_0 4 +# define R300_PVS_SRC_SELECT_FORCE_1 5 +# define R300_PVS_SRC_SWIZZLE_XYZW \ + ((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \ + (R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13) +# define R300_PVS_SRC_SWIZZLE_ZERO \ + ((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \ + (R300_PVS_SRC_SELECT_FORCE_0 << 6) | \ + (R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13) +# define R300_PVS_SRC_SWIZZLE_ONE \ + ((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \ + (R300_PVS_SRC_SELECT_FORCE_1 << 6) | \ + (R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13) +#define R300_PVS_MODIFIER_X (1 << 25) +#define R300_PVS_MODIFIER_Y (1 << 26) +#define R300_PVS_MODIFIER_Z (1 << 27) +#define R300_PVS_MODIFIER_W (1 << 28) +#define R300_PVS_NEGATE_XYZW \ + (R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \ + R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W) + +struct r300_vertex_program_code r300_passthrough_vertex_shader = { + .length = 8, /* two instructions */ + + /* MOV out[0], in[0] */ + .body.d[0] = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW, + .body.d[1] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW, + .body.d[2] = R300_PVS_SRC_SWIZZLE_ZERO, + .body.d[3] = 0x0, + + /* MOV out[1], in[1] */ + .body.d[4] = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW, + .body.d[5] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW, + .body.d[6] = R300_PVS_SRC_SWIZZLE_ZERO, + .body.d[7] = 0x0, + + .inputs[0] = 0, + .inputs[1] = 1, + .outputs[0] = 0, + .outputs[1] = 1, + + .InputsRead = 3, + .OutputsWritten = 3 +}; + |