linker: Fix assertion and cross-version checks for version 100.
Fixes an assert (min_version >= 110) which was no longer correct, and
also prohibits linking ES2 shaders with non-ES2 shaders. I'm not
positive this is correct, but the specification doesn't seem to say.
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 02c7c29..4d84ab3 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1402,9 +1402,10 @@
* match shading language versions. With GLSL 1.30 and later, the versions
* of all shaders must match.
*/
- assert(min_version >= 110);
+ assert(min_version >= 100);
assert(max_version <= 130);
- if ((max_version >= 130) && (min_version != max_version)) {
+ if ((max_version >= 130 || min_version == 100)
+ && min_version != max_version) {
linker_error_printf(prog, "all shaders must use same shading "
"language version\n");
goto done;