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authorEric Anholt <[email protected]>2012-05-01 14:43:31 -0700
committerEric Anholt <[email protected]>2012-07-20 10:43:59 -0700
commit9feb403b0eb5365889cb01ca456a19247aaad502 (patch)
tree832ed7869c4f4a89692943fd16ad5bd09528d0af /src/glsl/linker.cpp
parent0cea8a56b627cea297e4213266b57b7a1085dcca (diff)
glsl: Don't resize arrays in uniform blocks.
This is a requirement for std140 uniform blocks, and optional for packed/shared blocks. Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl/linker.cpp')
-rw-r--r--src/glsl/linker.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 7fbd834ab66..dd2278545d8 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1165,6 +1165,13 @@ update_array_sizes(struct gl_shader_program *prog)
!var->type->is_array())
continue;
+ /* GL_ARB_uniform_buffer_object says that std140 uniforms
+ * will not be eliminated. Since we always do std140, just
+ * don't resize arrays in UBOs.
+ */
+ if (var->uniform_block != -1)
+ continue;
+
unsigned int size = var->max_array_access;
for (unsigned j = 0; j < MESA_SHADER_TYPES; j++) {
if (prog->_LinkedShaders[j] == NULL)