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glsl: Allow non-constant UBO array indexing with GLSL4/ARB_gpu_shader5.

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Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Forbes 2014-05-16 21:10:18 +12:00
parent 4714c4ec48
commit 8eae5ceb99
1 changed files with 2 additions and 1 deletions
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3
src/glsl/ast_array_index.cpp
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@ -181,7 +181,8 @@ _mesa_ast_array_index_to_hir(void *mem_ctx,
if (array->type->is_unsized_array()) {
_mesa_glsl_error(&loc, state, "unsized array index must be constant");
} else if (array->type->fields.array->is_interface()
&& array->variable_referenced()->data.mode == ir_var_uniform) {
&& array->variable_referenced()->data.mode == ir_var_uniform
&& !state->is_version(400, 0) && !state->ARB_gpu_shader5_enable) {
/* Page 46 in section 4.3.7 of the OpenGL ES 3.00 spec says:
*
* "All indexes used to index a uniform block array must be