diff options
Diffstat (limited to 'src/glsl/linker.cpp')
| -rw-r--r-- | src/glsl/linker.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp index 7d605d7e59b..f6b26618552 100644 --- a/src/glsl/linker.cpp +++ b/src/glsl/linker.cpp @@ -1206,6 +1206,7 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog, unsigned num_shaders) { linked_shader->Geom.VerticesOut = 0; + linked_shader->Geom.Invocations = 0; linked_shader->Geom.InputType = PRIM_UNKNOWN; linked_shader->Geom.OutputType = PRIM_UNKNOWN; @@ -1259,6 +1260,18 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog, } linked_shader->Geom.VerticesOut = shader->Geom.VerticesOut; } + + if (shader->Geom.Invocations != 0) { + if (linked_shader->Geom.Invocations != 0 && + linked_shader->Geom.Invocations != shader->Geom.Invocations) { + linker_error(prog, "geometry shader defined with conflicting " + "invocation count (%d and %d)\n", + linked_shader->Geom.Invocations, + shader->Geom.Invocations); + return; + } + linked_shader->Geom.Invocations = shader->Geom.Invocations; + } } /* Just do the intrastage -> interstage propagation right now, @@ -1285,6 +1298,11 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog, return; } prog->Geom.VerticesOut = linked_shader->Geom.VerticesOut; + + if (linked_shader->Geom.Invocations == 0) + linked_shader->Geom.Invocations = 1; + + prog->Geom.Invocations = linked_shader->Geom.Invocations; } |