[Mesa-dev] [PATCH v2 18/31] glsl: relax bindless sampler arrays indexing
Samuel Pitoiset
samuel.pitoiset at gmail.com
Mon Apr 24 10:35:49 UTC 2017
The ARB_bindless_texture spec says:
"Replace Section 4.1.7 (Samplers), p. 25"
"Samplers aggregated into arrays within a shader (using square
brackets []) can be indexed with arbitrary integer expressions."
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
src/compiler/glsl/ast_array_index.cpp | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/compiler/glsl/ast_array_index.cpp b/src/compiler/glsl/ast_array_index.cpp
index dfa44b703d..a761215eb5 100644
--- a/src/compiler/glsl/ast_array_index.cpp
+++ b/src/compiler/glsl/ast_array_index.cpp
@@ -299,12 +299,20 @@ _mesa_ast_array_index_to_hir(void *mem_ctx,
* values must not diverge between shader invocations run together. If the
* values *do* diverge, then the behavior of the operation requiring a
* dynamically uniform expression is undefined.
+ *
+ * The ARB_bindless_texture spec says:
+ *
+ * "Replace Section 4.1.7 (Samplers), p. 25"
+ *
+ * "Samplers aggregated into arrays within a shader (using square
+ * brackets []) can be indexed with arbitrary integer expressions."
*/
if (array->type->without_array()->is_sampler()) {
if (!state->is_version(400, 320) &&
!state->ARB_gpu_shader5_enable &&
!state->EXT_gpu_shader5_enable &&
- !state->OES_gpu_shader5_enable) {
+ !state->OES_gpu_shader5_enable &&
+ !state->has_bindless()) {
if (state->is_version(130, 300))
_mesa_glsl_error(&loc, state,
"sampler arrays indexed with non-constant "
--
2.12.2
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