diff options
| author | Andre Maasikas <amaasikas@gmail.com> | 2009-10-21 12:23:27 +0300 |
|---|---|---|
| committer | Andre Maasikas <amaasikas@gmail.com> | 2009-10-22 09:44:03 +0300 |
| commit | a88c9296cb079ff42ef901113d0fe772228e6feb (patch) | |
| tree | 9499cf6d0da0c8aba6094fc1bd22d17817698798 /src/mesa/drivers/dri/r600/r700_fragprog.c | |
| parent | b86302283b48654682e0580c53ece01bf095fa95 (diff) | |
r600: need to export something from PS
Also avoids empty shader for "END" - seems to be somewhat valid fp
Maybe this can be done differently in the future (fake FRAG_RESULT_COLOR
already in Map_Fragment_Program() or is there a way to program the chip
to not hang in case of no exports.
Diffstat (limited to 'src/mesa/drivers/dri/r600/r700_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_fragprog.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c index 62a1ea1a22a..3736bce11c4 100644 --- a/src/mesa/drivers/dri/r600/r700_fragprog.c +++ b/src/mesa/drivers/dri/r600/r700_fragprog.c @@ -251,7 +251,15 @@ GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp, number_of_colors_exported--; } - fp->r700Shader.exportMode = number_of_colors_exported << 1 | z_enabled; + /* illegal to set this to 0 */ + if(number_of_colors_exported || z_enabled) + { + fp->r700Shader.exportMode = number_of_colors_exported << 1 | z_enabled; + } + else + { + fp->r700Shader.exportMode = (1 << 1); + } fp->translated = GL_TRUE; |