OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gallium: fix two-sided lighting test in state tracker

Browse Source 
This fixes two-sided lighting for vertex shaders.
This commit is contained in:
Brian Paul
2008-12-18 16:00:20 -07:00
parent a795e79f87
commit 52406c80d6
1 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/mesa/state_tracker/st_atom_rasterizer.c
View File

@@ -107,12 +107,15 @@ static void update_raster_state( struct st_context *st )
/* _NEW_LIGHT | _NEW_PROGRAM /* _NEW_LIGHT | _NEW_PROGRAM
* *
* Back-face colors can come from traditional lighting (when * Back-face colors can come from traditional lighting (when
* GL_LIGHT_MODEL_TWO_SIDE is set) or from vertex programs (when * GL_LIGHT_MODEL_TWO_SIDE is set) or from vertex programs/shaders (when
* GL_VERTEX_PROGRAM_TWO_SIDE is set). Note the logic here. * GL_VERTEX_PROGRAM_TWO_SIDE is set). Note the logic here.
*/ */
if (ctx->VertexProgram._Current) { if (ctx->VertexProgram._Current) {
if (ctx->VertexProgram._Enabled) { if (ctx->VertexProgram._Enabled ||
/* user-defined program */ (ctx->Shader.CurrentProgram &&
ctx->Shader.CurrentProgram->VertexProgram &&
ctx->Shader.CurrentProgram->LinkStatus)) {
/* user-defined vertex program or shader */
raster->light_twoside = ctx->VertexProgram.TwoSideEnabled; raster->light_twoside = ctx->VertexProgram.TwoSideEnabled;
} }
else { else {