From af5061cf5aced1d59d0a051c44ca5f8d633ddb7f Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Mon, 29 Oct 2007 11:03:37 +0000 Subject: Fix newlines. --- src/mesa/state_tracker/st_mesa_to_tgsi.c | 1680 +++++++++++++++--------------- 1 file changed, 840 insertions(+), 840 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index af680b9e99..37ba6a90b5 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -1,840 +1,840 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/* - * \author - * Michal Krol - */ - - -#include "tgsi_platform.h" -#include "pipe/tgsi/exec/tgsi_core.h" -#include "st_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: - /* ordinary texture lookup */ - 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: - /* texture lookup with LOD bias */ - 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: - /* texture lookup with explicit partial derivatives */ - fullinst->Instruction.Opcode = TGSI_OPCODE_TXD; - fullinst->Instruction.NumSrcRegs = 4; - fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); - /* src[0] = coord, src[1] = d[strq]/dx, src[2] = d[strq]/dy */ - fullinst->FullSrcRegisters[3].SrcRegister.File = TGSI_FILE_SAMPLER; - fullinst->FullSrcRegisters[3].SrcRegister.Index = inst->TexSrcUnit; - break; - case OPCODE_TXL: - /* texture lookup with explicit LOD */ - 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: - /* texture lookup with divide by Q component */ - /* convert to TEX w/ special flag for division */ - 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 start_index, - GLuint end_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 = start_index; - decl.u.DeclarationRange.Last = end_index; - return decl; -} - - -/** - * Find the temporaries which are used in the given program. - */ -static void -find_temporaries(const struct gl_program *program, - GLboolean tempsUsed[MAX_PROGRAM_TEMPS]) -{ - GLuint i, j; - - 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; - } - } -} - - - - -/** - * 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 */ - { - GLboolean tempsUsed[MAX_PROGRAM_TEMPS + 1]; - GLboolean inside_range = GL_FALSE; - GLuint start_range; - - find_temporaries(program, tempsUsed); - tempsUsed[MAX_PROGRAM_TEMPS] = GL_FALSE; - for (i = 0; i < MAX_PROGRAM_TEMPS + 1; i++) { - if (tempsUsed[i] && !inside_range) { - inside_range = GL_TRUE; - start_range = i; - } - else if (!tempsUsed[i] && inside_range) { - struct tgsi_full_declaration fulldecl; - - inside_range = GL_FALSE; - fulldecl = make_temp_decl( start_range, i - 1 ); - 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; -} - +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * \author + * Michal Krol + */ + + +#include "tgsi_platform.h" +#include "pipe/tgsi/exec/tgsi_core.h" +#include "st_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: + /* ordinary texture lookup */ + 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: + /* texture lookup with LOD bias */ + 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: + /* texture lookup with explicit partial derivatives */ + fullinst->Instruction.Opcode = TGSI_OPCODE_TXD; + fullinst->Instruction.NumSrcRegs = 4; + fullinst->InstructionExtTexture.Texture = map_texture_target( inst->TexSrcTarget ); + /* src[0] = coord, src[1] = d[strq]/dx, src[2] = d[strq]/dy */ + fullinst->FullSrcRegisters[3].SrcRegister.File = TGSI_FILE_SAMPLER; + fullinst->FullSrcRegisters[3].SrcRegister.Index = inst->TexSrcUnit; + break; + case OPCODE_TXL: + /* texture lookup with explicit LOD */ + 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: + /* texture lookup with divide by Q component */ + /* convert to TEX w/ special flag for division */ + 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 start_index, + GLuint end_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 = start_index; + decl.u.DeclarationRange.Last = end_index; + return decl; +} + + +/** + * Find the temporaries which are used in the given program. + */ +static void +find_temporaries(const struct gl_program *program, + GLboolean tempsUsed[MAX_PROGRAM_TEMPS]) +{ + GLuint i, j; + + 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; + } + } +} + + + + +/** + * 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 */ + { + GLboolean tempsUsed[MAX_PROGRAM_TEMPS + 1]; + GLboolean inside_range = GL_FALSE; + GLuint start_range; + + find_temporaries(program, tempsUsed); + tempsUsed[MAX_PROGRAM_TEMPS] = GL_FALSE; + for (i = 0; i < MAX_PROGRAM_TEMPS + 1; i++) { + if (tempsUsed[i] && !inside_range) { + inside_range = GL_TRUE; + start_range = i; + } + else if (!tempsUsed[i] && inside_range) { + struct tgsi_full_declaration fulldecl; + + inside_range = GL_FALSE; + fulldecl = make_temp_decl( start_range, i - 1 ); + 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; +} + -- cgit v1.2.3