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/*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
*/
#ifndef GLSPIRV_H
#define GLSPIRV_H
#include "compiler/nir/nir.h"
#ifdef __cplusplus
extern "C" {
#endif
struct gl_shader_program;
struct gl_context;
struct gl_shader;
/**
* A SPIR-V module contains the raw SPIR-V binary as set by ShaderBinary.
*
* It is reference-counted, because the same module can be attached to multiple
* shader objects simultaneously.
*/
struct gl_spirv_module {
unsigned RefCount;
GLint Length;
char Binary[0];
};
/**
* SPIR-V data needed to compile and link a SPIR-V shader.
*
* It includes a SPIR-V binary that is potentially shared among different
* shaders; and shader-specific specialization constants and entry point.
*
* It is reference-counted because it is shared between gl_shader and its
* corresponding gl_linked_shader.
*/
struct gl_shader_spirv_data {
GLint RefCount;
struct gl_spirv_module *SpirVModule;
GLchar *SpirVEntryPoint;
GLuint NumSpecializationConstants;
GLuint *SpecializationConstantsIndex;
GLuint *SpecializationConstantsValue;
};
void
_mesa_spirv_module_reference(struct gl_spirv_module **dest,
struct gl_spirv_module *src);
void
_mesa_shader_spirv_data_reference(struct gl_shader_spirv_data **dest,
struct gl_shader_spirv_data *src);
void
_mesa_spirv_shader_binary(struct gl_context *ctx,
unsigned n, struct gl_shader **shaders,
const void* binary, size_t length);
void
_mesa_spirv_link_shaders(struct gl_context *ctx,
struct gl_shader_program *prog);
nir_shader *
_mesa_spirv_to_nir(struct gl_context *ctx,
const struct gl_shader_program *prog,
gl_shader_stage stage,
const nir_shader_compiler_options *options);
/**
* \name API functions
*/
/*@{*/
void GLAPIENTRY
_mesa_SpecializeShaderARB(GLuint shader,
const GLchar *pEntryPoint,
GLuint numSpecializationConstants,
const GLuint *pConstantIndex,
const GLuint *pConstantValue);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif /* GLSPIRV_H */
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