From 9feb403b0eb5365889cb01ca456a19247aaad502 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 1 May 2012 14:43:31 -0700 Subject: [PATCH] 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 --- src/glsl/linker.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp index 7fbd834..dd22785 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) -- 2.7.4