summaryrefslogtreecommitdiffstats
path: root/src/compiler/glsl/linker.cpp
diff options
context:
space:
mode:
authorIan Romanick <ian.d.romanick@intel.com>2016-05-23 15:53:10 -0700
committerIan Romanick <ian.d.romanick@intel.com>2016-06-01 11:11:39 -0700
commita428c955ce5d039e035e49da6daa13088ec8617c (patch)
tree9431528290322fa34a3142cd5c6e358c01745e57 /src/compiler/glsl/linker.cpp
parentb27dfa5403ed1884999524417c08d2bc50365965 (diff)
downloadexternal_mesa3d-a428c955ce5d039e035e49da6daa13088ec8617c.zip
external_mesa3d-a428c955ce5d039e035e49da6daa13088ec8617c.tar.gz
external_mesa3d-a428c955ce5d039e035e49da6daa13088ec8617c.tar.bz2
glsl: Use Geom.VerticesOut == -1 to specify unset
Because apparently layout(max_vertices=0) is a thing. Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Diffstat (limited to 'src/compiler/glsl/linker.cpp')
-rw-r--r--src/compiler/glsl/linker.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
index e712ee3..9e65590 100644
--- a/src/compiler/glsl/linker.cpp
+++ b/src/compiler/glsl/linker.cpp
@@ -1980,7 +1980,7 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog,
struct gl_shader **shader_list,
unsigned num_shaders)
{
- linked_shader->Geom.VerticesOut = 0;
+ linked_shader->Geom.VerticesOut = -1;
linked_shader->Geom.Invocations = 0;
linked_shader->Geom.InputType = PRIM_UNKNOWN;
linked_shader->Geom.OutputType = PRIM_UNKNOWN;
@@ -2024,8 +2024,8 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog,
linked_shader->Geom.OutputType = shader->Geom.OutputType;
}
- if (shader->Geom.VerticesOut != 0) {
- if (linked_shader->Geom.VerticesOut != 0 &&
+ if (shader->Geom.VerticesOut != -1) {
+ if (linked_shader->Geom.VerticesOut != -1 &&
linked_shader->Geom.VerticesOut != shader->Geom.VerticesOut) {
linker_error(prog, "geometry shader defined with conflicting "
"output vertex count (%d and %d)\n",
@@ -2067,7 +2067,7 @@ link_gs_inout_layout_qualifiers(struct gl_shader_program *prog,
}
prog->Geom.OutputType = linked_shader->Geom.OutputType;
- if (linked_shader->Geom.VerticesOut == 0) {
+ if (linked_shader->Geom.VerticesOut == -1) {
linker_error(prog,
"geometry shader didn't declare max_vertices\n");
return;