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-rw-r--r--src/glsl/link_varyings.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp
index a5a47f416ee..4ceb1d33e92 100644
--- a/src/glsl/link_varyings.cpp
+++ b/src/glsl/link_varyings.cpp
@@ -982,6 +982,9 @@ private:
* each of these objects that matches one of the outputs of the
* producer.
*
+ * \param gs_input_vertices: if \c consumer is a geometry shader, this is the
+ * number of input vertices it accepts. Otherwise zero.
+ *
* When num_tfeedback_decls is nonzero, it is permissible for the consumer to
* be NULL. In this case, varying locations are assigned solely based on the
* requirements of transform feedback.
@@ -992,7 +995,8 @@ assign_varying_locations(struct gl_context *ctx,
struct gl_shader_program *prog,
gl_shader *producer, gl_shader *consumer,
unsigned num_tfeedback_decls,
- tfeedback_decl *tfeedback_decls)
+ tfeedback_decl *tfeedback_decls,
+ unsigned gs_input_vertices)
{
const unsigned producer_base = VARYING_SLOT_VAR0;
const unsigned consumer_base = VARYING_SLOT_VAR0;
@@ -1113,10 +1117,10 @@ assign_varying_locations(struct gl_context *ctx,
assert(!ctx->Extensions.EXT_transform_feedback);
} else {
lower_packed_varyings(mem_ctx, producer_base, slots_used,
- ir_var_shader_out, producer);
+ ir_var_shader_out, 0, producer);
if (consumer) {
lower_packed_varyings(mem_ctx, consumer_base, slots_used,
- ir_var_shader_in, consumer);
+ ir_var_shader_in, gs_input_vertices, consumer);
}
}