main/shaderapi: GL_GEOMETRY_SHADER_INVOCATIONS GetProgramiv support

[mesa.git] / src / mesa / main / shaderapi.c

diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 44b4c3a85896ca111cb8bd09aa2030d02a01983d..bf138149087ac8a83f943d393a3f28b494081682 100644 (file)
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -606,6 +606,12 @@ get_programiv(struct gl_context *ctx, GLuint program, GLenum pname, GLint *param
       if (check_gs_query(ctx, shProg))
          *params = shProg->Geom.VerticesOut;
       return;
+   case GL_GEOMETRY_SHADER_INVOCATIONS:
+      if (!has_core_gs || !ctx->Extensions.ARB_gpu_shader5)
+         break;
+      if (check_gs_query(ctx, shProg))
+         *params = shProg->Geom.Invocations;
+      return;
    case GL_GEOMETRY_INPUT_TYPE:
       if (!has_core_gs)
          break;
@@ -1859,6 +1865,7 @@ _mesa_copy_linked_program_data(gl_shader_stage type,
       struct gl_geometry_program *dst_gp = (struct gl_geometry_program *) dst;
       dst_gp->VerticesIn = src->Geom.VerticesIn;
       dst_gp->VerticesOut = src->Geom.VerticesOut;
+      dst_gp->Invocations = src->Geom.Invocations;
       dst_gp->InputType = src->Geom.InputType;
       dst_gp->OutputType = src->Geom.OutputType;
       dst->UsesClipDistanceOut = src->Geom.UsesClipDistance;