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authorIan Romanick <[email protected]>2016-05-23 15:53:10 -0700
committerIan Romanick <[email protected]>2016-06-01 11:11:39 -0700
commita428c955ce5d039e035e49da6daa13088ec8617c (patch)
tree9431528290322fa34a3142cd5c6e358c01745e57 /src/compiler/glsl
parentb27dfa5403ed1884999524417c08d2bc50365965 (diff)
glsl: Use Geom.VerticesOut == -1 to specify unset
Because apparently layout(max_vertices=0) is a thing. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Cc: "12.0" <[email protected]>
Diffstat (limited to 'src/compiler/glsl')
-rw-r--r--src/compiler/glsl/glsl_parser_extras.cpp2
-rw-r--r--src/compiler/glsl/linker.cpp8
2 files changed, 5 insertions, 5 deletions
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 843998dc9fc..2e3395ec416 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -1687,7 +1687,7 @@ set_shader_inout_layout(struct gl_shader *shader,
shader->TessEval.PointMode = state->in_qualifier->point_mode;
break;
case MESA_SHADER_GEOMETRY:
- shader->Geom.VerticesOut = 0;
+ shader->Geom.VerticesOut = -1;
if (state->out_qualifier->flags.q.max_vertices) {
unsigned qual_max_vertices;
if (state->out_qualifier->max_vertices->
diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
index e712ee3873b..9e6559005d7 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;