diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_bitmap.c')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_bitmap.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c index 66d7cbf8e6..f55a5e713f 100644 --- a/src/mesa/state_tracker/st_cb_bitmap.c +++ b/src/mesa/state_tracker/st_cb_bitmap.c @@ -142,6 +142,10 @@ make_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex) /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */ p->Instructions[ic].Opcode = OPCODE_KIL; p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + + if (ctx->st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM) + p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX; + p->Instructions[ic].SrcReg[0].Index = 0; p->Instructions[ic].SrcReg[0].NegateBase = NEGATE_XYZW; ic++; @@ -157,7 +161,11 @@ make_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex) stfp = (struct st_fragment_program *) p; stfp->Base.UsesKill = GL_TRUE; - st_translate_fragment_program(ctx->st, stfp, NULL); + + /* No need to send this incomplete program down to hardware: + * + * st_translate_fragment_program(ctx->st, stfp, NULL); + */ return stfp; } @@ -786,6 +794,10 @@ st_init_bitmap(struct st_context *st) PIPE_TEXTURE_USAGE_SAMPLER, 0)) { st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM; } + else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)) { + st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM; + } else { /* XXX support more formats */ assert(0); |