diff options
| author | Ian Romanick <[email protected]> | 2010-08-17 17:40:20 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2010-08-24 10:27:14 -0700 |
| commit | 0eb2026c8767d6e1f68e6b07f35a9aca9ed757c7 (patch) | |
| tree | f46cae0a852f8e156bb67e9c68f7399a367e5d4e /src/mesa/program/prog_execute.c | |
| parent | 81137623e55bb003d2479385547028661c71b415 (diff) | |
prog_execute: Implement OPCODE_TXL
Fixes bugzilla #29628
Diffstat (limited to 'src/mesa/program/prog_execute.c')
| -rw-r--r-- | src/mesa/program/prog_execute.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/program/prog_execute.c b/src/mesa/program/prog_execute.c index 1222a0f4c8c..ff8c20c4cf5 100644 --- a/src/mesa/program/prog_execute.c +++ b/src/mesa/program/prog_execute.c @@ -1679,6 +1679,22 @@ _mesa_execute_program(GLcontext * ctx, store_vector4(inst, machine, color); } break; + case OPCODE_TXL: + /* Texel lookup with explicit LOD */ + { + GLfloat texcoord[4], color[4], lod; + + fetch_vector4(&inst->SrcReg[0], machine, texcoord); + + /* texcoord[3] is the LOD */ + lod = texcoord[3]; + + machine->FetchTexelLod(ctx, texcoord, lod, + machine->Samplers[inst->TexSrcUnit], color); + + store_vector4(inst, machine, color); + } + break; case OPCODE_TXP: /* GL_ARB_fragment_program only */ /* Texture lookup w/ projective divide */ { |