diff options
Diffstat (limited to 'mesalib/src/mesa/main/ff_fragment_shader.cpp')
| -rw-r--r-- | mesalib/src/mesa/main/ff_fragment_shader.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp index 2ce81fef6..008da0d0e 100644 --- a/mesalib/src/mesa/main/ff_fragment_shader.cpp +++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp @@ -334,7 +334,7 @@ static GLbitfield get_fp_input_mask( struct gl_context *ctx ) else if (!(vertexProgram || vertexShader)) { /* Fixed function vertex logic */ /* _NEW_ARRAY */ - GLbitfield varying_inputs = ctx->varying_vp_inputs; + GLbitfield64 varying_inputs = ctx->varying_vp_inputs; /* These get generated in the setup routine regardless of the * vertex program: @@ -489,6 +489,12 @@ static GLuint make_state_key( struct gl_context *ctx, struct state_key *key ) /* _NEW_BUFFERS */ key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers; + /* _NEW_COLOR */ + if (ctx->Color.AlphaEnabled && key->num_draw_buffers == 0) { + /* if alpha test is enabled we need to emit at least one color */ + key->num_draw_buffers = 1; + } + key->inputs_available = (inputs_available & inputs_referenced); /* compute size of state key, ignoring unused texture units */ |