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glsl: skip tree grafting for sampler and image types

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v2: - use is_sampler()/is_image() instead (Samuel Pitoiset)

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Nicolai Hähnle
2017-04-26 18:34:27 +02:00
committed by Samuel Pitoiset
parent d04b0f31d3
commit b738fae4b9
1 changed files with 11 additions and 0 deletions
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11
src/compiler/glsl/opt_tree_grafting.cpp
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@@ -371,6 +371,17 @@ tree_grafting_basic_block(ir_instruction *bb_first,
if (lhs_var->data.precise) if (lhs_var->data.precise)
continue; continue;
/* Do not graft sampler and image variables. This is a workaround to
* st/glsl_to_tgsi being unable to handle expression parameters to image
* intrinsics.
*
* Note that if this is ever fixed, we still need to skip grafting when
* any image layout qualifiers (including the image format) are set,
* since we must not lose those.
*/
if (lhs_var->type->is_sampler() || lhs_var->type->is_image())
continue;
ir_variable_refcount_entry *entry = info->refs->get_variable_entry(lhs_var); ir_variable_refcount_entry *entry = info->refs->get_variable_entry(lhs_var);
if (!entry->declaration || if (!entry->declaration ||