From a88c9296cb079ff42ef901113d0fe772228e6feb Mon Sep 17 00:00:00 2001 From: Andre Maasikas Date: Wed, 21 Oct 2009 12:23:27 +0300 Subject: 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. --- src/mesa/drivers/dri/r600/r700_fragprog.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'src/mesa/drivers/dri/r600/r700_fragprog.c') diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c index 62a1ea1a22..3736bce11c 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; -- cgit v1.2.3