diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-12-19 14:06:22 -0700 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-12-19 14:06:22 -0700 |
| commit | e9207430cefd44beb1a16cfb5879a7ace475e2f5 (patch) | |
| tree | 85f061f0ffb43f9c628d96b62eb497e1a746870a /src/mesa/state_tracker/st_mesa_to_tgsi.c | |
| parent | 4a1776a763f2c3b3d1d5bdb5720cafad3ac932c6 (diff) | |
Add some prototype code for converting RET to END for main(). Disabled for now.
Diffstat (limited to 'src/mesa/state_tracker/st_mesa_to_tgsi.c')
| -rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 470cef8e85..01dc70b66e 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -180,7 +180,8 @@ compile_instruction( const GLuint outputMapping[], const GLuint immediateMapping[], GLuint preamble_size, - GLuint processor ) + GLuint processor, + GLboolean *insideSubroutine) { GLuint i; struct tgsi_full_dst_register *fulldst; @@ -283,6 +284,7 @@ compile_instruction( break; case OPCODE_BGNSUB: fullinst->Instruction.Opcode = TGSI_OPCODE_BGNSUB; + *insideSubroutine = GL_TRUE; break; case OPCODE_BRA: fullinst->Instruction.Opcode = TGSI_OPCODE_BRA; @@ -334,6 +336,7 @@ compile_instruction( break; case OPCODE_ENDSUB: fullinst->Instruction.Opcode = TGSI_OPCODE_ENDSUB; + *insideSubroutine = GL_FALSE; break; case OPCODE_EX2: fullinst->Instruction.Opcode = TGSI_OPCODE_EX2; @@ -412,7 +415,16 @@ compile_instruction( fullinst->Instruction.Opcode = TGSI_OPCODE_RCP; break; case OPCODE_RET: - fullinst->Instruction.Opcode = TGSI_OPCODE_RET; + /* If RET is used inside main (not a real subroutine) we may want + * to execute END instead of RET. TBD... + */ + if (1 /* *insideSubroutine */) { + fullinst->Instruction.Opcode = TGSI_OPCODE_RET; + } + else { + /* inside main() pseudo-function */ + fullinst->Instruction.Opcode = TGSI_OPCODE_END; + } break; case OPCODE_RSQ: fullinst->Instruction.Opcode = TGSI_OPCODE_RSQ; @@ -682,6 +694,7 @@ tgsi_translate_mesa_program( GLuint preamble_size = 0; GLuint immediates[1000]; GLuint numImmediates = 0; + GLboolean insideSubroutine = GL_FALSE; assert(procType == TGSI_PROCESSOR_FRAGMENT || procType == TGSI_PROCESSOR_VERTEX); @@ -879,7 +892,8 @@ tgsi_translate_mesa_program( outputMapping, immediates, preamble_size, - procType ); + procType, + &insideSubroutine); ti += tgsi_build_full_instruction( &fullinst, |