diff options
| author | Eric Anholt <[email protected]> | 2011-04-13 11:09:55 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2011-04-13 18:05:44 -0700 |
| commit | 28cec9e832b716b84c11ddabfcee74e0daf6ec49 (patch) | |
| tree | ca85abd9438b19cc91042967b615676bdd05a017 | |
| parent | 4847f802c28e595130bda14055cd52c9b1f51cd7 (diff) | |
mesa: Add support for the ARB_fragment_program part of ARB_draw_buffers.
Fixes fbo-drawbuffers-arbfp.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34321
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
| -rw-r--r-- | src/mesa/program/program_parse.y | 29 | ||||
| -rw-r--r-- | src/mesa/program/program_parser.h | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/program/program_parse.y b/src/mesa/program/program_parse.y index 19aa8ccdb53..b35bc5a7cae 100644 --- a/src/mesa/program/program_parse.y +++ b/src/mesa/program/program_parse.y @@ -2064,6 +2064,34 @@ optResultFaceType: ? VERT_RESULT_COL0 : FRAG_RESULT_COLOR; } + | '[' INTEGER ']' + { + if (state->mode == ARB_vertex) { + yyerror(& @1, state, "invalid program result name"); + YYERROR; + } else { + if (!state->option.DrawBuffers) { + /* From the ARB_draw_buffers spec (same text exists + * for ATI_draw_buffers): + * + * If this option is not specified, a fragment + * program that attempts to bind + * "result.color[n]" will fail to load, and only + * "result.color" will be allowed. + */ + yyerror(& @1, state, + "result.color[] used without " + "`OPTION ARB_draw_buffers' or " + "`OPTION ATI_draw_buffers'"); + YYERROR; + } else if ($2 >= state->MaxDrawBuffers) { + yyerror(& @1, state, + "result.color[] exceeds MAX_DRAW_BUFFERS_ARB"); + YYERROR; + } + $$ = FRAG_RESULT_DATA0 + $2; + } + } | FRONT { if (state->mode == ARB_vertex) { @@ -2681,6 +2709,7 @@ _mesa_parse_arb_program(struct gl_context *ctx, GLenum target, const GLubyte *st state->MaxClipPlanes = ctx->Const.MaxClipPlanes; state->MaxLights = ctx->Const.MaxLights; state->MaxProgramMatrices = ctx->Const.MaxProgramMatrices; + state->MaxDrawBuffers = ctx->Const.MaxDrawBuffers; state->state_param_enum = (target == GL_VERTEX_PROGRAM_ARB) ? STATE_VERTEX_PROGRAM : STATE_FRAGMENT_PROGRAM; diff --git a/src/mesa/program/program_parser.h b/src/mesa/program/program_parser.h index d689eef7958..8e5aaee95e5 100644 --- a/src/mesa/program/program_parser.h +++ b/src/mesa/program/program_parser.h @@ -173,6 +173,7 @@ struct asm_parser_state { unsigned MaxClipPlanes; unsigned MaxLights; unsigned MaxProgramMatrices; + unsigned MaxDrawBuffers; /*@}*/ /** |