diff options
| -rw-r--r-- | src/mesa/shader/arbprogparse.c | 7 | ||||
| -rw-r--r-- | src/mesa/shader/programopt.c | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c index bb4c5b38d4..f5053d3289 100644 --- a/src/mesa/shader/arbprogparse.c +++ b/src/mesa/shader/arbprogparse.c @@ -3922,6 +3922,13 @@ _mesa_parse_arb_fragment_program(GLcontext* ctx, GLenum target, if (program->FogOption) program->Base.InputsRead |= FRAG_BIT_FOGC; + + /* XXX: assume that ARB fragment programs don't have access to the + * FrontFacing and PointCoord values stuffed into the fog + * coordinate in GLSL shaders. + */ + if (program->Base.InputsRead & FRAG_BIT_FOGC) + program->UsesFogFragCoord = TRUE; if (program->Base.Instructions) _mesa_free(program->Base.Instructions); diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c index f70c75cec8..ac5fe0f691 100644 --- a/src/mesa/shader/programopt.c +++ b/src/mesa/shader/programopt.c @@ -396,6 +396,7 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog) fprog->Base.Instructions = newInst; fprog->Base.NumInstructions = inst - newInst; fprog->Base.InputsRead |= FRAG_BIT_FOGC; + fprog->UsesFogFragCoord = GL_TRUE; /* XXX do this? fprog->FogOption = GL_NONE; */ } |