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authorJason Ekstrand <[email protected]>2016-02-05 15:03:04 -0800
committerJason Ekstrand <[email protected]>2016-02-05 15:03:44 -0800
commit741744f691d6ef63e9f9a4c03136f969f2ffb0bf (patch)
tree7c9192a0648c2d90bb08efbc21ebcb7a6e2b873a /src/compiler/glsl/lower_buffer_access.h
parent9645b8eb1f1b79e537ad8ddb683507df7bc9da58 (diff)
parenteb63640c1d38a200a7b1540405051d3ff79d0d8a (diff)
Merge commit mesa-public/master into vulkan
This pulls in the patches that move all of the compiler stuff around
Diffstat (limited to 'src/compiler/glsl/lower_buffer_access.h')
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1 files changed, 65 insertions, 0 deletions
diff --git a/src/compiler/glsl/lower_buffer_access.h b/src/compiler/glsl/lower_buffer_access.h
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+/*
+ * Copyright (c) 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file lower_buffer_access.h
+ *
+ * Helper for IR lowering pass to replace dereferences of buffer object based
+ * shader variables with intrinsic function calls.
+ *
+ * This helper is used by lowering passes for UBOs, SSBOs and compute shader
+ * shared variables.
+ */
+
+#pragma once
+#ifndef LOWER_BUFFER_ACCESS_H
+#define LOWER_BUFFER_ACCESS_H
+
+#include "ir.h"
+#include "ir_rvalue_visitor.h"
+
+namespace lower_buffer_access {
+
+class lower_buffer_access : public ir_rvalue_enter_visitor {
+public:
+ virtual void
+ insert_buffer_access(void *mem_ctx, ir_dereference *deref,
+ const glsl_type *type, ir_rvalue *offset,
+ unsigned mask, int channel) = 0;
+
+ void emit_access(void *mem_ctx, bool is_write, ir_dereference *deref,
+ ir_variable *base_offset, unsigned int deref_offset,
+ bool row_major, int matrix_columns,
+ unsigned int packing, unsigned int write_mask);
+
+ bool is_dereferenced_thing_row_major(const ir_rvalue *deref);
+
+ void setup_buffer_access(void *mem_ctx, ir_variable *var, ir_rvalue *deref,
+ ir_rvalue **offset, unsigned *const_offset,
+ bool *row_major, int *matrix_columns,
+ unsigned packing);
+};
+
+} /* namespace lower_buffer_access */
+
+#endif /* LOWER_BUFFER_ACCESS_H */