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-rw-r--r--src/glsl/lower_ubo_reference.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/glsl/lower_ubo_reference.cpp b/src/glsl/lower_ubo_reference.cpp
index 90e65bd0ea0..9729ea071b3 100644
--- a/src/glsl/lower_ubo_reference.cpp
+++ b/src/glsl/lower_ubo_reference.cpp
@@ -57,7 +57,7 @@ public:
void *mem_ctx;
struct gl_shader *shader;
struct gl_uniform_buffer_variable *ubo_var;
- unsigned uniform_block;
+ ir_rvalue *uniform_block;
bool progress;
};
@@ -135,10 +135,10 @@ lower_ubo_reference_visitor::handle_rvalue(ir_rvalue **rvalue)
interface_field_name(mem_ctx, (char *) var->get_interface_type()->name,
deref);
- this->uniform_block = -1;
+ this->uniform_block = NULL;
for (unsigned i = 0; i < shader->NumUniformBlocks; i++) {
if (strcmp(field_name, shader->UniformBlocks[i].Name) == 0) {
- this->uniform_block = i;
+ this->uniform_block = new(mem_ctx) ir_constant(i);
struct gl_uniform_block *block = &shader->UniformBlocks[i];
@@ -149,7 +149,7 @@ lower_ubo_reference_visitor::handle_rvalue(ir_rvalue **rvalue)
}
}
- assert(this->uniform_block != (unsigned) -1);
+ assert(this->uniform_block);
ir_rvalue *offset = new(mem_ctx) ir_constant(0u);
unsigned const_offset = 0;
@@ -267,11 +267,12 @@ ir_expression *
lower_ubo_reference_visitor::ubo_load(const glsl_type *type,
ir_rvalue *offset)
{
+ ir_rvalue *block_ref = this->uniform_block->clone(mem_ctx, NULL);
return new(mem_ctx)
ir_expression(ir_binop_ubo_load,
- type,
- new(mem_ctx) ir_constant(this->uniform_block),
- offset);
+ type,
+ block_ref,
+ offset);
}