linker: First bits of intrastage, intershader function linking

This handles the easy case of linking a function in a different
compilation unit that doesn't call any functions or reference any
global variables.

1 files changed, 35 insertions, 0 deletions

diff --git a/src/glsl/linker.h b/src/glsl/linker.h
new file mode 100644
index 0000000..a8ce16a
--- /dev/null
+++ b/src/glsl/linker.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+#ifndef GLSL_LINKER_H
+#define GLSL_LINKER_H
+
+extern void
+linker_error_printf(gl_shader_program *prog, const char *fmt, ...);
+
+extern bool
+link_function_calls(gl_shader_program *prog, gl_shader *main,
+		    gl_shader **shader_list, unsigned num_shaders);
+
+#endif /* GLSL_LINKER_H */