From 3cf6644c00ad0b265c64645d0b14de9dc90ba851 Mon Sep 17 00:00:00 2001 From: Brian Date: Sat, 27 Oct 2007 09:02:40 -0600 Subject: Move mesa_to_tgsi.[ch] into state tracker. --- src/mesa/state_tracker/st_mesa_to_tgsi.c | 796 +++++++++++++++++++++++++++++++ src/mesa/state_tracker/st_mesa_to_tgsi.h | 32 ++ 2 files changed, 828 insertions(+) create mode 100644 src/mesa/state_tracker/st_mesa_to_tgsi.c create mode 100644 src/mesa/state_tracker/st_mesa_to_tgsi.h (limited to 'src/mesa/state_tracker') diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c new file mode 100644 index 0000000000..2c33f26d48 --- /dev/null +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -0,0 +1,796 @@ +#include "tgsi_platform.h" +#include "tgsi_mesa.h" +#include "pipe/tgsi/mesa/mesa_to_tgsi.h" +#include "shader/prog_parameter.h" + +#define TGSI_DEBUG 0 + +#define EMIT_IMMEDIATES 0 + + +/* + * Map mesa register file to TGSI register file. + */ +static GLuint +map_register_file( + enum register_file file ) +{ + switch( file ) { + case PROGRAM_UNDEFINED: + return TGSI_FILE_NULL; + case PROGRAM_TEMPORARY: + return TGSI_FILE_TEMPORARY; + //case PROGRAM_LOCAL_PARAM: + //case PROGRAM_ENV_PARAM: + case PROGRAM_STATE_VAR: + case PROGRAM_NAMED_PARAM: + case PROGRAM_UNIFORM: + return TGSI_FILE_CONSTANT; + case PROGRAM_CONSTANT: +#if EMIT_IMMEDIATES + return TGSI_FILE_IMMEDIATE; +#else + return TGSI_FILE_CONSTANT; +#endif + case PROGRAM_INPUT: + return TGSI_FILE_INPUT; + case PROGRAM_OUTPUT: + return TGSI_FILE_OUTPUT; + case PROGRAM_ADDRESS: + return TGSI_FILE_ADDRESS; + default: + assert( 0 ); + return TGSI_FILE_NULL; + } +} + +/** + * Map mesa register file index to TGSI index. + * Take special care when processing input and output indices. + * \param file one of TGSI_FILE_x + * \param index the mesa register file index + * \param inputMapping maps Mesa input indexes to TGSI input indexes + * \param outputMapping maps Mesa output indexes to TGSI output indexes + */ +static GLuint +map_register_file_index( + GLuint file, + GLuint index, + const GLuint inputMapping[], + const GLuint outputMapping[], + const GLuint immediateMapping[]) +{ + switch( file ) { + case TGSI_FILE_INPUT: + /* inputs are mapped according to the user-defined map */ + return inputMapping[index]; + + case TGSI_FILE_OUTPUT: + return outputMapping[index]; + +#if EMIT_IMMEDIATES + case TGSI_FILE_IMMEDIATE: + return immediateMapping[index]; +#endif + + default: + return index; + } +} + +/* + * Map mesa texture target to TGSI texture target. + */ +static GLuint +map_texture_target( + GLuint textarget ) +{ + switch( textarget ) { + case TEXTURE_1D_INDEX: + return TGSI_TEXTURE_1D; + case TEXTURE_2D_INDEX: + return TGSI_TEXTURE_2D; + case TEXTURE_3D_INDEX: + return TGSI_TEXTURE_3D; + case TEXTURE_CUBE_INDEX: + return TGSI_TEXTURE_CUBE; + case TEXTURE_RECT_INDEX: + return TGSI_TEXTURE_RECT; + default: + assert( 0 ); + } + + return TGSI_TEXTURE_1D; +} + +static GLuint +convert_sat( + GLuint sat ) +{ + switch( sat ) { + case SATURATE_OFF: + return TGSI_SAT_NONE; + case SATURATE_ZERO_ONE: + return TGSI_SAT_ZERO_ONE; + case SATURATE_PLUS_MINUS_ONE: + return TGSI_SAT_MINUS_PLUS_ONE; + default: + assert( 0 ); + return TGSI_SAT_NONE; + } +} + +static GLuint +convert_writemask( + GLuint writemask ) +{ + assert( WRITEMASK_X == TGSI_WRITEMASK_X ); + assert( WRITEMASK_Y == TGSI_WRITEMASK_Y ); + assert( WRITEMASK_Z == TGSI_WRITEMASK_Z ); + assert( WRITEMASK_W == TGSI_WRITEMASK_W ); + assert( (writemask & ~TGSI_WRITEMASK_XYZW) == 0 ); + + return writemask; +} + +#if EMIT_IMMEDIATES +static struct tgsi_full_immediate +make_immediate(const float *value, uint size) +{ + struct tgsi_full_immediate imm; + imm.Immediate.Type = TGSI_TOKEN_TYPE_IMMEDIATE; + imm.Immediate.Size = 1 + size; /* one for the token itself */ + imm.Immediate.DataType = TGSI_IMM_FLOAT32; + imm.u.ImmediateFloat32 = (struct tgsi_immediate_float32 *) value; + return imm; +} +#endif + +static void +compile_instruction( + const struct prog_instruction *inst, + struct tgsi_full_instruction *fullinst, + const GLuint inputMapping[], + const GLuint outputMapping[], + const GLuint immediateMapping[], + GLuint preamble_size, + GLuint processor ) +{ + GLuint i; + struct tgsi_full_dst_register *fulldst; + struct tgsi_full_src_register *fullsrc; + + *fullinst = tgsi_default_full_instruction(); + + fullinst->Instruction.Saturate = convert_sat( inst->SaturateMode ); + fullinst->Instruction.NumDstRegs = _mesa_num_inst_dst_regs( inst->Opcode ); + fullinst->Instruction.NumSrcRegs = _mesa_num_inst_src_regs( inst->Opcode ); + + fulldst = &fullinst->FullDstRegisters[0]; + fulldst->DstRegister.File = map_register_file( inst->DstReg.File ); + fulldst->DstRegister.Index = map_register_file_index( + fulldst->DstRegister.File, + inst->DstReg.Index, + inputMapping, + outputMapping, + NULL + ); + fulldst->DstRegister.WriteMask = convert_writemask( inst->DstReg.WriteMask ); + + for( i = 0; i < fullinst->Instruction.NumSrcRegs; i++ ) { + GLuint j; + + fullsrc = &fullinst->FullSrcRegisters[i]; + fullsrc->SrcRegister.File = map_register_file( inst->SrcReg[i].File ); + fullsrc->SrcRegister.Index = map_register_file_index( + fullsrc->SrcRegister.File, + inst->SrcReg[i].Index, + inputMapping, + outputMapping, + immediateMapping); + + for( j = 0; j < 4; j++ ) { + GLuint swz; + + swz = GET_SWZ( inst->SrcReg[i].Swizzle, j ); + if( swz > SWIZZLE_W ) { + tgsi_util_set_src_register_extswizzle( + &fullsrc->SrcRegisterExtSwz, + swz, + j ); + } + else { + tgsi_util_set_src_register_swizzle( + &fullsrc->SrcRegister, + swz, + j ); + } + } + + if( inst->SrcReg[i].NegateBase == NEGATE_XYZW ) { + fullsrc->SrcRegister.Negate = 1; + } + else if( inst->SrcReg[i].NegateBase != NEGATE_NONE ) { + if( inst->SrcReg[i].NegateBase & NEGATE_X ) { + fullsrc->SrcRegisterExtSwz.NegateX = 1; + } + if( inst->SrcReg[i].NegateBase & NEGATE_Y ) { + fullsrc->SrcRegisterExtSwz.NegateY = 1; + } + if( inst->SrcReg[i].NegateBase & NEGATE_Z ) { + fullsrc->SrcRegisterExtSwz.NegateZ = 1; + } + if( inst->SrcReg[i].NegateBase & NEGATE_W ) { + fullsrc->SrcRegisterExtSwz.NegateW = 1; + } + } + + if( inst->SrcReg[i].Abs ) { + fullsrc->SrcRegisterExtMod.Absolute = 1; + } + + if( inst->SrcReg[i].NegateAbs ) { + fullsrc->SrcRegisterExtMod.Negate = 1; + } + + if( inst->SrcReg[i].RelAddr ) { + fullsrc->SrcRegister.Indirect = 1; + + fullsrc->SrcRegisterInd.File = TGSI_FILE_ADDRESS; + fullsrc->SrcRegisterInd.Index = 0; + } + } + + switch( inst->Opcode ) { + case OPCODE_ARL: + fullinst->Instruction.Opcode = TGSI_OPCODE_ARL; + break; + case OPCODE_ABS: + fullinst->Instruction.Opcode = TGSI_OPCODE_ABS; + break; + case OPCODE_ADD: + fullinst->Instruction.Opcode = TGSI_OPCODE_ADD; + break; + case OPCODE_BGNLOOP: + fullinst->Instruction.Opcode = TGSI_OPCODE_BGNLOOP2; + fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size; + break; + case OPCODE_BGNSUB: + fullinst->Instruction.Opcode = TGSI_OPCODE_BGNSUB; + break; + case OPCODE_BRA: + fullinst->Instruction.Opcode = TGSI_OPCODE_BRA; + break; + case OPCODE_BRK: + fullinst->Instruction.Opcode = TGSI_OPCODE_BRK; + break; + case OPCODE_CAL: + fullinst->Instruction.Opcode = TGSI_OPCODE_CAL; + fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size; + break; + case OPCODE_CMP: + fullinst->Instruction.Opcode = TGSI_OPCODE_CMP; + break; + case OPCODE_CONT: + fullinst->Instruction.Opcode = TGSI_OPCODE_CONT; + break; + case OPCODE_COS: + fullinst->Instruction.Opcode = TGSI_OPCODE_COS; + break; + case OPCODE_DDX: + fullinst->Instruction.Opcode = TGSI_OPCODE_DDX; + break; + case OPCODE_DDY: + fullinst->Instruction.Opcode = TGSI_OPCODE_DDY; + break; + case OPCODE_DP3: + fullinst->Instruction.Opcode = TGSI_OPCODE_DP3; + break; + case OPCODE_DP4: + fullinst->Instruction.Opcode = TGSI_OPCODE_DP4; + break; + case OPCODE_DPH: + fullinst->Instruction.Opcode = TGSI_OPCODE_DPH; + break; + case OPCODE_DST: + fullinst->Instruction.Opcode = TGSI_OPCODE_DST; + break; + case OPCODE_ELSE: + fullinst->Instruction.Opcode = TGSI_OPCODE_ELSE; + fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size; + break; + case OPCODE_ENDIF: + fullinst->Instruction.Opcode = TGSI_OPCODE_ENDIF; + break; + case OPCODE_ENDLOOP: + fullinst->Instruction.Opcode = TGSI_OPCODE_ENDLOOP2; + fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size; + break; + case OPCODE_ENDSUB: + fullinst->Instruction.Opcode = TGSI_OPCODE_ENDSUB; + break; + case OPCODE_EX2: + fullinst->Instruction.Opcode = TGSI_OPCODE_EX2; + break; + case OPCODE_EXP: + fullinst->Instruction.Opcode = TGSI_OPCODE_EXP; + break; + case OPCODE_FLR: + fullinst->Instruction.Opcode = TGSI_OPCODE_FLR; + break; + case OPCODE_FRC: + fullinst->Instruction.Opcode = TGSI_OPCODE_FRC; + break; + case OPCODE_IF: + fullinst->Instruction.Opcode = TGSI_OPCODE_IF; + fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size; + break; + case OPCODE_INT: + fullinst->Instruction.Opcode = TGSI_OPCODE_INT; + break; + case OPCODE_KIL: + /* predicated w/ a register */ + fullinst->Instruction.Opcode = TGSI_OPCODE_KILP; + break; + case OPCODE_KIL_NV: + /* unpredicated */ + assert(inst->DstReg.CondMask == COND_TR); + fullinst->Instruction.Opcode = TGSI_OPCODE_KIL; + break; + case OPCODE_LG2: + fullinst->Instruction.Opcode = TGSI_OPCODE_LG2; + break; + case OPCODE_LOG: + fullinst->Instruction.Opcode = TGSI_OPCODE_LOG; + break; + case OPCODE_LIT: + fullinst->Instruction.Opcode = TGSI_OPCODE_LIT; + break; + case OPCODE_LRP: + fullinst->Instruction.Opcode = TGSI_OPCODE_LRP; + break; + case OPCODE_MAD: + fullinst->Instruction.Opcode = TGSI_OPCODE_MAD; + break; + case OPCODE_MAX: + fullinst->Instruction.Opcode = TGSI_OPCODE_MAX; + break; + case OPCODE_MIN: + fullinst->Instruction.Opcode = TGSI_OPCODE_MIN; + break; + case OPCODE_MOV: + fullinst->Instruction.Opcode = TGSI_OPCODE_MOV; + break; + case OPCODE_MUL: + fullinst->Instruction.Opcode = TGSI_OPCODE_MUL; + break; + case OPCODE_NOISE1: + fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE1; + break; + case OPCODE_NOISE2: + fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE2; + break; + case OPCODE_NOISE3: + fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE3; + break; + case OPCODE_NOISE4: + fullinst->Instruction.Opcode = TGSI_OPCODE_NOISE4; + break; + case OPCODE_NOP: + fullinst->Instruction.Opcode = TGSI_OPCODE_NOP; + break; + case OPCODE_POW: + fullinst->Instruction.Opcode = TGSI_OPCODE_POW; + break; + case OPCODE_RCP: + fullinst->Instruction.Opcode = TGSI_OPCODE_RCP; + break; + case OPCODE_RET: + fullinst->Instruction.Opcode = TGSI_OPCODE_RET; + break; + case OPCODE_RSQ: + fullinst->Instruction.Opcode = TGSI_OPCODE_RSQ; + tgsi_util_set_full_src_register_sign_mode( + &fullinst->FullSrcRegisters[0], + TGSI_UTIL_SIGN_CLEAR ); + break; + case OPCODE_SCS: + fullinst->Instruction.Opcode = TGSI_OPCODE_SCS; + fulldst->DstRegister.WriteMask &= TGSI_WRITEMASK_XY; + break; + case OPCODE_SEQ: + fullinst->Instruction.Opcode = TGSI_OPCODE_SEQ; + break; + case OPCODE_SGE: + fullinst->Instruction.Opcode = TGSI_OPCODE_SGE; + break; + case OPCODE_SGT: + fullinst->Instruction.Opcode = TGSI_OPCODE_SGT; + break; + case OPCODE_SIN: + fullinst->Instruction.Opcode = TGSI_OPCODE_SIN; + break; + case OPCODE_SLE: + fullinst->Instruction.Opcode = TGSI_OPCODE_SLE; + break; + case OPCODE_SLT: + fullinst->Instruction.Opcode = TGSI_OPCODE_SLT; + break; + case OPCODE_SNE: + fullinst->Instruction.Opcode = TGSI_OPCODE_SNE; + break; + case OPCODE_SUB: + fullinst->Instruction.Opcode = TGSI_OPCODE_SUB; + break; + case OPCODE_SWZ: + fullinst->Instruction.Opcode = TGSI_OPCODE_SWZ; + break; + case OPCODE_TEX: + fullinst->Instruction.Opcode = TGSI_OPCODE_TEX; + fullinst->Instruction.NumSrcRegs = 2; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_TXB: + fullinst->Instruction.Opcode = TGSI_OPCODE_TXB; + fullinst->Instruction.NumSrcRegs = 2; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_TXD: + fullinst->Instruction.Opcode = TGSI_OPCODE_TXD; + fullinst->Instruction.NumSrcRegs = 2; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_TXL: + fullinst->Instruction.Opcode = TGSI_OPCODE_TXL; + fullinst->Instruction.NumSrcRegs = 2; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_TXP: + fullinst->Instruction.Opcode = TGSI_OPCODE_TEX; + fullinst->Instruction.NumSrcRegs = 2; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + fullinst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide = TGSI_EXTSWIZZLE_W; + fullinst->FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[1].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_XPD: + fullinst->Instruction.Opcode = TGSI_OPCODE_XPD; + fulldst->DstRegister.WriteMask &= TGSI_WRITEMASK_XYZ; + break; + case OPCODE_END: + fullinst->Instruction.Opcode = TGSI_OPCODE_RET; + break; + default: + assert( 0 ); + } +} + +/** + * \param usage_mask bitfield of TGSI_WRITEMASK_{XYZW} tokens + */ +static struct tgsi_full_declaration +make_input_decl( + GLuint index, + GLuint interpolate, + GLuint usage_mask, + GLboolean semantic_info, + GLuint semantic_name, + GLbitfield semantic_index ) +{ + struct tgsi_full_declaration decl; + + assert(semantic_name < TGSI_SEMANTIC_COUNT); + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_INPUT; + decl.Declaration.Declare = TGSI_DECLARE_RANGE; + decl.Declaration.UsageMask = usage_mask; + decl.Declaration.Semantic = semantic_info; + decl.Declaration.Interpolate = 1; + decl.u.DeclarationRange.First = index; + decl.u.DeclarationRange.Last = index; + if (semantic_info) { + decl.Semantic.SemanticName = semantic_name; + decl.Semantic.SemanticIndex = semantic_index; + } + decl.Interpolation.Interpolate = interpolate; + + return decl; +} + +/** + * \param usage_mask bitfield of TGSI_WRITEMASK_{XYZW} tokens + */ +static struct tgsi_full_declaration +make_output_decl( + GLuint index, + GLuint semantic_name, + GLuint semantic_index, + GLbitfield usage_mask ) +{ + struct tgsi_full_declaration decl; + + assert(semantic_name < TGSI_SEMANTIC_COUNT); + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_OUTPUT; + decl.Declaration.Declare = TGSI_DECLARE_RANGE; + decl.Declaration.UsageMask = usage_mask; + decl.Declaration.Semantic = 1; + decl.u.DeclarationRange.First = index; + decl.u.DeclarationRange.Last = index; + decl.Semantic.SemanticName = semantic_name; + decl.Semantic.SemanticIndex = semantic_index; + + return decl; +} + + +static struct tgsi_full_declaration +make_temp_decl(GLuint index) +{ + struct tgsi_full_declaration decl; + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.Declaration.Declare = TGSI_DECLARE_RANGE; + decl.u.DeclarationRange.First = index; + decl.u.DeclarationRange.Last = index; + return decl; +} + + +/** + * Find the temporaries which are used in the given program. + * Put the indices of the temporaries in 'tempsUsed'. + * \return number of temporaries used + */ +static GLuint +find_temporaries(const struct gl_program *program, + GLuint tempsUsed[MAX_PROGRAM_TEMPS]) +{ + GLuint i, j, count; + + for (i = 0; i < MAX_PROGRAM_TEMPS; i++) + tempsUsed[i] = GL_FALSE; + + for (i = 0; i < program->NumInstructions; i++) { + const struct prog_instruction *inst = program->Instructions + i; + const GLuint n = _mesa_num_inst_src_regs( inst->Opcode ); + for (j = 0; j < n; j++) { + if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) + tempsUsed[inst->SrcReg[j].Index] = GL_TRUE; + if (inst->DstReg.File == PROGRAM_TEMPORARY) + tempsUsed[inst->DstReg.Index] = GL_TRUE; + } + } + + /* convert flags to list of indices */ + count = 0; + for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { + if (tempsUsed[i]) + tempsUsed[count++] = i; + } + return count; +} + + + + +/** + * Translate Mesa program to TGSI format. + * \param program the program to translate + * \param numInputs number of input registers used + * \param inputMapping maps Mesa fragment program inputs to TGSI generic + * input indexes + * \param inputSemanticName the TGSI_SEMANTIC flag for each input + * \param inputSemanticIndex the semantic index (ex: which texcoord) for each input + * \param interpMode the TGSI_INTERPOLATE_LINEAR/PERSP mode for each input + + * \param numOutputs number of output registers used + * \param outputMapping maps Mesa fragment program outputs to TGSI + * generic outputs + * \param outputSemanticName the TGSI_SEMANTIC flag for each output + * \param outputSemanticIndex the semantic index (ex: which texcoord) for each output + * \param tokens array to store translated tokens in + * \param maxTokens size of the tokens array + * + */ +GLboolean +tgsi_translate_mesa_program( + uint procType, + const struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[], + struct tgsi_token *tokens, + GLuint maxTokens ) +{ + GLuint i; + GLuint ti; /* token index */ + struct tgsi_header *header; + struct tgsi_processor *processor; + struct tgsi_full_instruction fullinst; + GLuint preamble_size = 0; + GLuint immediates[1000]; +#if EMIT_IMMEDIATES + GLuint numImmediates = 0; +#endif + + assert(procType == TGSI_PROCESSOR_FRAGMENT || + procType == TGSI_PROCESSOR_VERTEX); + + *(struct tgsi_version *) &tokens[0] = tgsi_build_version(); + + header = (struct tgsi_header *) &tokens[1]; + *header = tgsi_build_header(); + + processor = (struct tgsi_processor *) &tokens[2]; + *processor = tgsi_build_processor( procType, header ); + + ti = 3; + + /* + * Declare input attributes. + */ + if (procType == TGSI_PROCESSOR_FRAGMENT) { + for (i = 0; i < numInputs; i++) { + struct tgsi_full_declaration fulldecl; + switch (inputSemanticName[i]) { + case TGSI_SEMANTIC_POSITION: + /* Fragment XY pos */ + fulldecl = make_input_decl(i, + TGSI_INTERPOLATE_CONSTANT, + TGSI_WRITEMASK_XY, + GL_TRUE, TGSI_SEMANTIC_POSITION, 0 ); + ti += tgsi_build_full_declaration( + &fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + /* Fragment ZW pos */ + fulldecl = make_input_decl(i, + TGSI_INTERPOLATE_LINEAR, + TGSI_WRITEMASK_ZW, + GL_TRUE, TGSI_SEMANTIC_POSITION, 0 ); + ti += tgsi_build_full_declaration(&fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + break; + default: + fulldecl = make_input_decl(i, + interpMode[i], + TGSI_WRITEMASK_XYZW, + GL_TRUE, inputSemanticName[i], + inputSemanticIndex[i]); + ti += tgsi_build_full_declaration(&fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + break; + } + } + } + else { + /* vertex prog */ + for (i = 0; i < numInputs; i++) { + struct tgsi_full_declaration fulldecl; + fulldecl = make_input_decl(i, + TGSI_INTERPOLATE_ATTRIB, + TGSI_WRITEMASK_XYZW, + GL_FALSE, inputSemanticName[i], + inputSemanticIndex[i]); + ti += tgsi_build_full_declaration(&fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + } + } + + /* + * Declare output attributes. + */ + if (procType == TGSI_PROCESSOR_FRAGMENT) { + for (i = 0; i < numOutputs; i++) { + struct tgsi_full_declaration fulldecl; + switch (outputSemanticName[i]) { + case TGSI_SEMANTIC_POSITION: + fulldecl = make_output_decl(i, + TGSI_SEMANTIC_POSITION, 0, /* Z / Depth */ + TGSI_WRITEMASK_Z ); + break; + case TGSI_SEMANTIC_COLOR: + fulldecl = make_output_decl(i, + TGSI_SEMANTIC_COLOR, 0, + TGSI_WRITEMASK_XYZW ); + break; + default: + abort(); + } + ti += tgsi_build_full_declaration(&fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + } + } + else { + /* vertex prog */ + for (i = 0; i < numOutputs; i++) { + struct tgsi_full_declaration fulldecl; + fulldecl = make_output_decl(i, + outputSemanticName[i], + outputSemanticIndex[i], + TGSI_WRITEMASK_XYZW ); + ti += tgsi_build_full_declaration(&fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + } + } + + /* temporary decls */ + { + GLuint tempsUsed[MAX_PROGRAM_TEMPS]; + uint numTemps = find_temporaries(program, tempsUsed); + for (i = 0; i < numTemps; i++) { + struct tgsi_full_declaration fulldecl; + fulldecl = make_temp_decl(tempsUsed[i]); + ti += tgsi_build_full_declaration( + &fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + } + } + + /* immediates/literals */ +#if EMIT_IMMEDIATES + for (i = 0; i < program->Parameters->NumParameters; i++) { + if (program->Parameters->Parameters[i].Type == PROGRAM_CONSTANT) { + struct tgsi_full_immediate fullimm + = make_immediate(program->Parameters->ParameterValues[i], + program->Parameters->Parameters[i].Size); + ti += tgsi_build_full_immediate(&fullimm, + &tokens[ti], + header, + maxTokens - ti); + immediates[i] = numImmediates; + numImmediates++; + } + } +#endif + + for( i = 0; i < program->NumInstructions; i++ ) { + compile_instruction( + &program->Instructions[i], + &fullinst, + inputMapping, + outputMapping, + immediates, + preamble_size, + procType ); + + ti += tgsi_build_full_instruction( + &fullinst, + &tokens[ti], + header, + maxTokens - ti ); + } + + return GL_TRUE; +} + diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.h b/src/mesa/state_tracker/st_mesa_to_tgsi.h new file mode 100644 index 0000000000..13372d75fd --- /dev/null +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.h @@ -0,0 +1,32 @@ +#if !defined MESA_TO_TGSI_H +#define MESA_TO_TGSI_H + +#if defined __cplusplus +extern "C" { +#endif // defined __cplusplus + +struct tgsi_token; + +GLboolean +tgsi_translate_mesa_program( + uint procType, + const struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[], + struct tgsi_token *tokens, + GLuint maxTokens ); + + +#if defined __cplusplus +} // extern "C" +#endif // defined __cplusplus + +#endif // !defined MESA_TO_TGSI_H + -- cgit v1.2.3