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| author | marha <marha@users.sourceforge.net> | 2011-12-17 13:43:14 +0100 |
|---|---|---|
| committer | Marc Haesen <marc@hc-consult.be> | 2011-12-17 13:43:14 +0100 |
| commit | abacebe06d9f3d2fe1b7d256bd86cddbfa592a85 (patch) | |
| tree | a05bb04105e9dd1cda779071d9ca274b86840c7e /mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp | |
| parent | 47913e82955ec8e2b1ba4d4b145497dede9163b5 (diff) | |
| download | vcxsrv-abacebe06d9f3d2fe1b7d256bd86cddbfa592a85.tar.gz vcxsrv-abacebe06d9f3d2fe1b7d256bd86cddbfa592a85.tar.bz2 vcxsrv-abacebe06d9f3d2fe1b7d256bd86cddbfa592a85.zip | |
libX11 libxtrans mesa xserver git update 17 dec 2011
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 9ef65c8fd..b929806ad 100644 --- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -5095,4 +5095,31 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) return GL_TRUE; } +void +st_translate_stream_output_info(struct glsl_to_tgsi_visitor *glsl_to_tgsi, + const GLuint outputMapping[], + struct pipe_stream_output_info *so) +{ + static unsigned comps_to_mask[] = { + 0, + TGSI_WRITEMASK_X, + TGSI_WRITEMASK_XY, + TGSI_WRITEMASK_XYZ, + TGSI_WRITEMASK_XYZW + }; + unsigned i; + struct gl_transform_feedback_info *info = + &glsl_to_tgsi->shader_program->LinkedTransformFeedback; + + for (i = 0; i < info->NumOutputs; i++) { + assert(info->Outputs[i].NumComponents < Elements(comps_to_mask)); + so->output[i].register_index = + outputMapping[info->Outputs[i].OutputRegister]; + so->output[i].register_mask = + comps_to_mask[info->Outputs[i].NumComponents]; + so->output[i].output_buffer = info->Outputs[i].OutputBuffer; + } + so->num_outputs = info->NumOutputs; +} + } /* extern "C" */ |