From d4c3f26662c48235462ae25b84c7b63e48af1c22 Mon Sep 17 00:00:00 2001 From: Brian Date: Tue, 9 Oct 2007 16:56:25 -0600 Subject: [PATCH] start on a unified vertex/fragment program translation function --- src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c | 194 +++++++++++++++++++++++++ 1 file changed, 194 insertions(+) diff --git a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c index 750314fb43a..1bf3be40dd6 100644 --- a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c +++ b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c @@ -546,6 +546,200 @@ find_temporaries(const struct gl_program *program, } + + +/** + * 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 + * + */ +#if 0 +static GLboolean +tgsi_translate_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; + + 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 ); + } + } + + for( i = 0; i < program->NumInstructions; i++ ) { + compile_instruction( + &program->Instructions[i], + &fullinst, + inputMapping, + outputMapping, + preamble_size, + procType ); + + ti += tgsi_build_full_instruction( + &fullinst, + &tokens[ti], + header, + maxTokens - ti ); + } + + return GL_TRUE; +} +#endif + + + /** * Convert Mesa fragment program to TGSI format. * \param inputMapping maps Mesa fragment program inputs to TGSI generic -- 2.30.2