diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/state.c | 84 |
1 files changed, 41 insertions, 43 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 5e073a18637..0d452fd8791 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -206,56 +206,54 @@ update_program(GLcontext *ctx) _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); - if (shProg && shProg->LinkStatus) { + if (shProg && shProg->LinkStatus && shProg->FragmentProgram) { /* Use shader programs */ - /* XXX this isn't quite right, since we may have either a vertex - * _or_ fragment shader (not always both). - */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - shProg->VertexProgram); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, shProg->FragmentProgram); } + else if (ctx->FragmentProgram._Enabled) { + /* use user-defined vertex program */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, + ctx->FragmentProgram.Current); + } + else if (ctx->FragmentProgram._MaintainTexEnvProgram) { + /* Use fragment program generated from fixed-function state. + */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, + _mesa_get_fixed_func_fragment_program(ctx)); + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, + ctx->FragmentProgram._Current); + } else { - if (ctx->FragmentProgram._Enabled) { - /* use user-defined vertex program */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, - ctx->FragmentProgram.Current); - } - else if (ctx->FragmentProgram._MaintainTexEnvProgram) { - /* Use fragment program generated from fixed-function state. - */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, - _mesa_get_fixed_func_fragment_program(ctx)); - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, - ctx->FragmentProgram._Current); - } - else { - /* no fragment program */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); - } + /* no fragment program */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); + } - /* Examine vertex program after fragment program as - * _mesa_get_fixed_func_vertex_program() needs to know active - * fragprog inputs. + /* Examine vertex program after fragment program as + * _mesa_get_fixed_func_vertex_program() needs to know active + * fragprog inputs. + */ + if (shProg && shProg->LinkStatus && shProg->VertexProgram) { + /* Use shader programs */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, + shProg->VertexProgram); + } + else if (ctx->VertexProgram._Enabled) { + /* use user-defined vertex program */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, + ctx->VertexProgram.Current); + } + else if (ctx->VertexProgram._MaintainTnlProgram) { + /* Use vertex program generated from fixed-function state. */ - if (ctx->VertexProgram._Enabled) { - /* use user-defined vertex program */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - ctx->VertexProgram.Current); - } - else if (ctx->VertexProgram._MaintainTnlProgram) { - /* Use vertex program generated from fixed-function state. - */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - _mesa_get_fixed_func_vertex_program(ctx)); - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, - ctx->VertexProgram._Current); - } - else { - /* no vertex program */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); - } + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, + _mesa_get_fixed_func_vertex_program(ctx)); + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, + ctx->VertexProgram._Current); + } + else { + /* no vertex program */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); } /* XXX: get rid of _Active flag. |