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4630ede102
UE4Editor has this issue. This commit prevents hangs (release build) or assertion failures (debug build). It doesn't fix the editor, but catastrophic scenarios are prevented. Cc: 17.1 17.2 <mesa-stable@lists.freedesktop.org> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
102 lines
3 KiB
C
102 lines
3 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors: Tom Stellard <thomas.stellard@amd.com>
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*
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*/
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#ifndef AC_BINARY_H
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#define AC_BINARY_H
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#include <stdint.h>
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#include <stdbool.h>
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struct ac_shader_reloc {
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char name[32];
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uint64_t offset;
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};
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struct ac_shader_binary {
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/** Shader code */
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unsigned char *code;
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unsigned code_size;
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/** Config/Context register state that accompanies this shader.
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* This is a stream of dword pairs. First dword contains the
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* register address, the second dword contains the value.*/
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unsigned char *config;
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unsigned config_size;
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/** The number of bytes of config information for each global symbol.
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*/
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unsigned config_size_per_symbol;
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/** Constant data accessed by the shader. This will be uploaded
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* into a constant buffer. */
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unsigned char *rodata;
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unsigned rodata_size;
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/** List of symbol offsets for the shader */
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uint64_t *global_symbol_offsets;
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unsigned global_symbol_count;
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struct ac_shader_reloc *relocs;
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unsigned reloc_count;
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/** Disassembled shader in a string. */
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char *disasm_string;
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char *llvm_ir_string;
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};
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struct ac_shader_config {
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unsigned num_sgprs;
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unsigned num_vgprs;
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unsigned spilled_sgprs;
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unsigned spilled_vgprs;
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unsigned lds_size;
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unsigned spi_ps_input_ena;
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unsigned spi_ps_input_addr;
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unsigned float_mode;
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unsigned scratch_bytes_per_wave;
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};
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/*
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* Parse the elf binary stored in \p elf_data and create a
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* ac_shader_binary object.
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*/
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bool ac_elf_read(const char *elf_data, unsigned elf_size,
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struct ac_shader_binary *binary);
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/**
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* @returns A pointer to the start of the configuration information for
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* the function starting at \p symbol_offset of the binary.
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*/
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const unsigned char *ac_shader_binary_config_start(
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const struct ac_shader_binary *binary,
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uint64_t symbol_offset);
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void ac_shader_binary_read_config(struct ac_shader_binary *binary,
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struct ac_shader_config *conf,
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unsigned symbol_offset,
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bool supports_spill);
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#endif /* AC_BINARY_H */
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