1918 lines
73 KiB
Objective-C
1918 lines
73 KiB
Objective-C
/*
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librashader.h
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SPDX-License-Identifier: MIT
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This file is part of the librashader C headers.
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Copyright 2022 chyyran
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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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, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIBRASHADER_H__
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#define __LIBRASHADER_H__
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#pragma once
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#if defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11)
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#include <d3d11.h>
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#endif
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#if defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12)
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#include <d3d12.h>
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#endif
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#if defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__)
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#import <Metal/Metal.h>
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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#include <vulkan\vulkan.h>
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#endif
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/// Error codes for librashader error types.
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enum LIBRA_ERRNO
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#ifdef __cplusplus
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: int32_t
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#endif // __cplusplus
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{
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LIBRA_ERRNO_UNKNOWN_ERROR = 0,
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LIBRA_ERRNO_INVALID_PARAMETER = 1,
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LIBRA_ERRNO_INVALID_STRING = 2,
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LIBRA_ERRNO_PRESET_ERROR = 3,
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LIBRA_ERRNO_PREPROCESS_ERROR = 4,
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LIBRA_ERRNO_SHADER_PARAMETER_ERROR = 5,
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LIBRA_ERRNO_REFLECT_ERROR = 6,
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LIBRA_ERRNO_RUNTIME_ERROR = 7,
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};
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#ifndef __cplusplus
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typedef int32_t LIBRA_ERRNO;
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#endif // __cplusplus
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/// An enum representing orientation for use in preset contexts.
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enum LIBRA_PRESET_CTX_ORIENTATION
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#ifdef __cplusplus
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: uint32_t
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#endif // __cplusplus
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{
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LIBRA_PRESET_CTX_ORIENTATION_VERTICAL = 0,
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LIBRA_PRESET_CTX_ORIENTATION_HORIZONTAL,
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};
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#ifndef __cplusplus
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typedef uint32_t LIBRA_PRESET_CTX_ORIENTATION;
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#endif // __cplusplus
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enum LIBRA_PRESET_CTX_RUNTIME
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#ifdef __cplusplus
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: uint32_t
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#endif // __cplusplus
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{
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LIBRA_PRESET_CTX_RUNTIME_NONE = 0,
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LIBRA_PRESET_CTX_RUNTIME_GL_CORE,
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LIBRA_PRESET_CTX_RUNTIME_VULKAN,
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LIBRA_PRESET_CTX_RUNTIME_D3D11,
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LIBRA_PRESET_CTX_RUNTIME_D3D12,
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LIBRA_PRESET_CTX_RUNTIME_METAL,
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};
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#ifndef __cplusplus
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typedef uint32_t LIBRA_PRESET_CTX_RUNTIME;
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#endif // __cplusplus
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/// Opaque struct for a Direct3D 11 filter chain.
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typedef struct _filter_chain_d3d11 _filter_chain_d3d11;
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/// Opaque struct for a Direct3D 12 filter chain.
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typedef struct _filter_chain_d3d12 _filter_chain_d3d12;
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/// Opaque struct for an OpenGL filter chain.
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typedef struct _filter_chain_gl _filter_chain_gl;
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/// Opaque struct for a Metal filter chain.
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typedef struct _filter_chain_mtl _filter_chain_mtl;
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/// Opaque struct for a Vulkan filter chain.
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typedef struct _filter_chain_vk _filter_chain_vk;
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/// The error type for librashader C API.
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typedef struct _libra_error _libra_error;
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/// Opaque struct for a shader preset.
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typedef struct _shader_preset _shader_preset;
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/// Opaque struct for a preset context.
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typedef struct _preset_ctx _preset_ctx;
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/// A handle to a librashader error object.
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typedef struct _libra_error *libra_error_t;
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/// A handle to a shader preset object.
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typedef struct _shader_preset *libra_shader_preset_t;
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/// A handle to a preset wildcard context object.
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typedef struct _preset_ctx *libra_preset_ctx_t;
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/// A preset parameter.
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typedef struct libra_preset_param_t {
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/// The name of the parameter
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const char *name;
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/// The description of the parameter.
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const char *description;
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/// The initial value the parameter is set to.
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float initial;
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/// The minimum value that the parameter can be set to.
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float minimum;
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/// The maximum value that the parameter can be set to.
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float maximum;
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/// The step by which this parameter can be incremented or decremented.
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float step;
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} libra_preset_param_t;
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/// A list of preset parameters.
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typedef struct libra_preset_param_list_t {
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/// A pointer to the parameter
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const struct libra_preset_param_t *parameters;
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/// The number of parameters in the list.
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uint64_t length;
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/// For internal use only.
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/// Changing this causes immediate undefined behaviour on freeing this
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/// parameter list.
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uint64_t _internal_alloc;
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} libra_preset_param_list_t;
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// A GL function loader that librashader needs to be initialized with.
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typedef const void *(*libra_gl_loader_t)(const char *);
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#endif
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/// API version type alias.
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typedef size_t LIBRASHADER_API_VERSION;
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// Options for filter chain creation.
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typedef struct filter_chain_gl_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// The GLSL version. Should be at least `330`.
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uint16_t glsl_version;
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/// Whether or not to use the Direct State Access APIs. Only available on
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/// OpenGL 4.5+. Using the shader cache requires this option, so this option
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/// will implicitly disables the shader cache if false.
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bool use_dsa;
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/// Whether or not to explicitly disable mipmap generation regardless of
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/// shader preset settings.
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bool force_no_mipmaps;
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/// Disable the shader object cache. Shaders will be
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/// recompiled rather than loaded from the cache.
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bool disable_cache;
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} filter_chain_gl_opt_t;
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#endif
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// A handle to a OpenGL filter chain.
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typedef struct _filter_chain_gl *libra_gl_filter_chain_t;
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#endif
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// OpenGL parameters for the source image.
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typedef struct libra_source_image_gl_t {
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/// A texture GLuint to the source image.
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uint32_t handle;
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/// The format of the source image.
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uint32_t format;
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/// The width of the source image.
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uint32_t width;
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/// The height of the source image.
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uint32_t height;
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} libra_source_image_gl_t;
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#endif
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/// Defines the output viewport for a rendered frame.
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typedef struct libra_viewport_t {
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/// The x offset in the viewport framebuffer to begin rendering from.
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float x;
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/// The y offset in the viewport framebuffer to begin rendering from.
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float y;
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/// The width of the viewport framebuffer.
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uint32_t width;
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/// The height of the viewport framebuffer.
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uint32_t height;
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} libra_viewport_t;
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// OpenGL parameters for the output framebuffer.
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typedef struct libra_output_framebuffer_gl_t {
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/// A framebuffer GLuint to the output framebuffer.
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uint32_t fbo;
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/// A texture GLuint to the logical buffer of the output framebuffer.
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uint32_t texture;
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/// The format of the output framebuffer.
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uint32_t format;
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} libra_output_framebuffer_gl_t;
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#endif
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#if defined(LIBRA_RUNTIME_OPENGL)
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/// Options for each OpenGL shader frame.
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typedef struct frame_gl_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to clear the history buffers.
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bool clear_history;
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/// The direction of rendering.
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/// -1 indicates that the frames are played in reverse order.
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int32_t frame_direction;
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/// The rotation of the output. 0 = 0deg, 1 = 90deg, 2 = 180deg, 4 = 270deg.
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uint32_t rotation;
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/// The total number of subframes ran. Default is 1.
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uint32_t total_subframes;
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/// The current sub frame. Default is 1.
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uint32_t current_subframe;
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} frame_gl_opt_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// Handles required to instantiate vulkan
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typedef struct libra_device_vk_t {
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/// A raw `VkPhysicalDevice` handle
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/// for the physical device that will perform rendering.
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VkPhysicalDevice physical_device;
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/// A raw `VkInstance` handle
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/// for the Vulkan instance that will perform rendering.
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VkInstance instance;
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/// A raw `VkDevice` handle
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/// for the device attached to the instance that will perform rendering.
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VkDevice device;
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/// The entry loader for the Vulkan library.
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PFN_vkGetInstanceProcAddr entry;
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} libra_device_vk_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// Options for filter chain creation.
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typedef struct filter_chain_vk_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// The number of frames in flight to keep. If zero, defaults to three.
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uint32_t frames_in_flight;
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/// Whether or not to explicitly disable mipmap generation regardless of
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/// shader preset settings.
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bool force_no_mipmaps;
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/// Use dynamic rendering over explicit render pass objects.
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/// It is recommended if possible to use dynamic rendering,
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/// because render-pass mode will create new framebuffers per pass.
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bool use_dynamic_rendering;
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/// Disable the shader object cache. Shaders will be
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/// recompiled rather than loaded from the cache.
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bool disable_cache;
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} filter_chain_vk_opt_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// A handle to a Vulkan filter chain.
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typedef struct _filter_chain_vk *libra_vk_filter_chain_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// Vulkan parameters for the source image.
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typedef struct libra_source_image_vk_t {
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/// A raw `VkImage` handle to the source image.
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VkImage handle;
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/// The `VkFormat` of the source image.
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VkFormat format;
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/// The width of the source image.
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uint32_t width;
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/// The height of the source image.
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uint32_t height;
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} libra_source_image_vk_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// Vulkan parameters for the output image.
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typedef struct libra_output_image_vk_t {
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/// A raw `VkImage` handle to the output image.
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VkImage handle;
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/// The `VkFormat` of the output image.
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VkFormat format;
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} libra_output_image_vk_t;
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#endif
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#if defined(LIBRA_RUNTIME_VULKAN)
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/// Options for each Vulkan shader frame.
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typedef struct frame_vk_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to clear the history buffers.
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bool clear_history;
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/// The direction of rendering.
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/// -1 indicates that the frames are played in reverse order.
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int32_t frame_direction;
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/// The rotation of the output. 0 = 0deg, 1 = 90deg, 2 = 180deg, 4 = 270deg.
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uint32_t rotation;
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/// The total number of subframes ran. Default is 1.
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uint32_t total_subframes;
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/// The current sub frame. Default is 1.
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uint32_t current_subframe;
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} frame_vk_opt_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
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/// Options for Direct3D 11 filter chain creation.
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typedef struct filter_chain_d3d11_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to explicitly disable mipmap
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/// generation regardless of shader preset settings.
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bool force_no_mipmaps;
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/// Disable the shader object cache. Shaders will be
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/// recompiled rather than loaded from the cache.
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bool disable_cache;
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} filter_chain_d3d11_opt_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
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/// A handle to a Direct3D 11 filter chain.
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typedef struct _filter_chain_d3d11 *libra_d3d11_filter_chain_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
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/// Direct3D 11 parameters for the source image.
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typedef struct libra_source_image_d3d11_t {
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/// A shader resource view into the source image
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ID3D11ShaderResourceView *handle;
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/// The width of the source image.
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uint32_t width;
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/// The height of the source image.
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uint32_t height;
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} libra_source_image_d3d11_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
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/// Options for each Direct3D 11 shader frame.
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typedef struct frame_d3d11_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to clear the history buffers.
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bool clear_history;
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/// The direction of rendering.
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/// -1 indicates that the frames are played in reverse order.
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int32_t frame_direction;
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/// The rotation of the output. 0 = 0deg, 1 = 90deg, 2 = 180deg, 4 = 270deg.
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uint32_t rotation;
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/// The total number of subframes ran. Default is 1.
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uint32_t total_subframes;
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/// The current sub frame. Default is 1.
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uint32_t current_subframe;
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} frame_d3d11_opt_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
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/// Options for Direct3D11 filter chain creation.
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typedef struct filter_chain_d3d12_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Force the HLSL shader pipeline. This may reduce shader compatibility.
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bool force_hlsl_pipeline;
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/// Whether or not to explicitly disable mipmap
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/// generation for intermediate passes regardless
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/// of shader preset settings.
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bool force_no_mipmaps;
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/// Disable the shader object cache. Shaders will be
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/// recompiled rather than loaded from the cache.
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bool disable_cache;
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} filter_chain_d3d12_opt_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
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/// A handle to a Direct3D 12 filter chain.
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typedef struct _filter_chain_d3d12 *libra_d3d12_filter_chain_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
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/// Direct3D 12 parameters for the source image.
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typedef struct libra_source_image_d3d12_t {
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/// The resource containing the image.
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ID3D12Resource *resource;
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/// A CPU descriptor handle to a shader resource view of the image.
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D3D12_CPU_DESCRIPTOR_HANDLE descriptor;
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/// The format of the image.
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DXGI_FORMAT format;
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/// The width of the source image.
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uint32_t width;
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/// The height of the source image.
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uint32_t height;
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} libra_source_image_d3d12_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
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/// Direct3D 12 parameters for the output image.
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typedef struct libra_output_image_d3d12_t {
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/// A CPU descriptor handle to a shader resource view of the image.
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D3D12_CPU_DESCRIPTOR_HANDLE descriptor;
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/// The format of the image.
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DXGI_FORMAT format;
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} libra_output_image_d3d12_t;
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#endif
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#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
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/// Options for each Direct3D 12 shader frame.
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typedef struct frame_d3d12_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to clear the history buffers.
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bool clear_history;
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/// The direction of rendering.
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/// -1 indicates that the frames are played in reverse order.
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int32_t frame_direction;
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/// The rotation of the output. 0 = 0deg, 1 = 90deg, 2 = 180deg, 4 = 270deg.
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uint32_t rotation;
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/// The total number of subframes ran. Default is 1.
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uint32_t total_subframes;
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/// The current sub frame. Default is 1.
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uint32_t current_subframe;
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} frame_d3d12_opt_t;
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#endif
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#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
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/// Options for filter chain creation.
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typedef struct filter_chain_mtl_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to explicitly disable mipmap generation regardless of
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/// shader preset settings.
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bool force_no_mipmaps;
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} filter_chain_mtl_opt_t;
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#endif
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#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
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typedef struct _filter_chain_mtl *libra_mtl_filter_chain_t;
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#endif
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#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
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/// Options for each Metal shader frame.
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typedef struct frame_mtl_opt_t {
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/// The librashader API version.
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LIBRASHADER_API_VERSION version;
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/// Whether or not to clear the history buffers.
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bool clear_history;
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/// The direction of rendering.
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/// -1 indicates that the frames are played in reverse order.
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int32_t frame_direction;
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/// The rotation of the output. 0 = 0deg, 1 = 90deg, 2 = 180deg, 4 = 270deg.
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uint32_t rotation;
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/// The total number of subframes ran. Default is 1.
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uint32_t total_subframes;
|
|
/// The current sub frame. Default is 1.
|
|
uint32_t current_subframe;
|
|
} frame_mtl_opt_t;
|
|
#endif
|
|
|
|
typedef size_t LIBRASHADER_ABI_VERSION;
|
|
|
|
/// Function pointer definition for libra_abi_version
|
|
typedef LIBRASHADER_ABI_VERSION (*PFN_libra_instance_abi_version)(void);
|
|
|
|
/// Function pointer definition for libra_abi_version
|
|
typedef LIBRASHADER_API_VERSION (*PFN_libra_instance_api_version)(void);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_create
|
|
typedef libra_error_t (*PFN_libra_preset_create)(const char *filename,
|
|
libra_shader_preset_t *out);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_free
|
|
typedef libra_error_t (*PFN_libra_preset_free)(libra_shader_preset_t *preset);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_set_param
|
|
typedef libra_error_t (*PFN_libra_preset_set_param)(
|
|
libra_shader_preset_t *preset, const char *name, float value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_get_param
|
|
typedef libra_error_t (*PFN_libra_preset_get_param)(
|
|
libra_shader_preset_t *preset, const char *name, float *value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_print
|
|
typedef libra_error_t (*PFN_libra_preset_print)(libra_shader_preset_t *preset);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_get_runtime_params
|
|
typedef libra_error_t (*PFN_libra_preset_get_runtime_params)(
|
|
libra_shader_preset_t *preset, struct libra_preset_param_list_t *out);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_free_runtime_params
|
|
typedef libra_error_t (*PFN_libra_preset_free_runtime_params)(
|
|
struct libra_preset_param_list_t preset);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_create_with_context
|
|
typedef libra_error_t (*PFN_libra_preset_create_with_context)(
|
|
const char *filename, libra_preset_ctx_t *context,
|
|
libra_shader_preset_t *out);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_create
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_create)(libra_preset_ctx_t *out);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_free
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_free)(libra_preset_ctx_t *context);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_core_name
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_core_name)(
|
|
libra_preset_ctx_t *context, const char *name);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_content_dir
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_content_dir)(
|
|
libra_preset_ctx_t *context, const char *name);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_param
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_param)(
|
|
libra_preset_ctx_t *context, const char *name, const char *value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_core_rotation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_core_rotation)(
|
|
libra_preset_ctx_t *context, uint32_t value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_user_rotation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_user_rotation)(
|
|
libra_preset_ctx_t *context, uint32_t value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_screen_orientation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_screen_orientation)(
|
|
libra_preset_ctx_t *context, uint32_t value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_allow_rotation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_allow_rotation)(
|
|
libra_preset_ctx_t *context, bool value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_view_aspect_orientation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_view_aspect_orientation)(
|
|
libra_preset_ctx_t *context, LIBRA_PRESET_CTX_ORIENTATION value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_core_aspect_orientation
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_core_aspect_orientation)(
|
|
libra_preset_ctx_t *context, LIBRA_PRESET_CTX_ORIENTATION value);
|
|
|
|
/// Function pointer definition for
|
|
/// libra_preset_ctx_set_runtime
|
|
typedef libra_error_t (*PFN_libra_preset_ctx_set_runtime)(
|
|
libra_preset_ctx_t *context, LIBRA_PRESET_CTX_RUNTIME value);
|
|
|
|
/// Function pointer definition for libra_error_errno
|
|
typedef LIBRA_ERRNO (*PFN_libra_error_errno)(libra_error_t error);
|
|
|
|
/// Function pointer definition for libra_error_print
|
|
typedef int32_t (*PFN_libra_error_print)(libra_error_t error);
|
|
|
|
/// Function pointer definition for libra_error_free
|
|
typedef int32_t (*PFN_libra_error_free)(libra_error_t *error);
|
|
|
|
/// Function pointer definition for libra_error_write
|
|
typedef int32_t (*PFN_libra_error_write)(libra_error_t error, char **out);
|
|
|
|
/// Function pointer definition for libra_error_free_string
|
|
typedef int32_t (*PFN_libra_error_free_string)(char **out);
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_init_context
|
|
typedef libra_error_t (*PFN_libra_gl_init_context)(libra_gl_loader_t loader);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_create
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_create)(
|
|
libra_shader_preset_t *preset, const struct filter_chain_gl_opt_t *options,
|
|
libra_gl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_frame
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_frame)(
|
|
libra_gl_filter_chain_t *chain, size_t frame_count,
|
|
struct libra_source_image_gl_t image, struct libra_viewport_t viewport,
|
|
struct libra_output_framebuffer_gl_t out, const float *mvp,
|
|
const struct frame_gl_opt_t *opt);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_set_param
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_set_param)(
|
|
libra_gl_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_get_param
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_get_param)(
|
|
libra_gl_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_set_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_set_active_pass_count)(
|
|
libra_gl_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_get_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_get_active_pass_count)(
|
|
libra_gl_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Function pointer definition for
|
|
/// libra_gl_filter_chain_free
|
|
typedef libra_error_t (*PFN_libra_gl_filter_chain_free)(
|
|
libra_gl_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_create
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_create)(
|
|
libra_shader_preset_t *preset, struct libra_device_vk_t vulkan,
|
|
const struct filter_chain_vk_opt_t *options, libra_vk_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_create_deferred
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_create_deferred)(
|
|
libra_shader_preset_t *preset, struct libra_device_vk_t vulkan,
|
|
VkCommandBuffer command_buffer, const struct filter_chain_vk_opt_t *options,
|
|
libra_vk_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_frame
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_frame)(
|
|
libra_vk_filter_chain_t *chain, VkCommandBuffer command_buffer,
|
|
size_t frame_count, struct libra_source_image_vk_t image,
|
|
struct libra_viewport_t viewport, struct libra_output_image_vk_t out,
|
|
const float *mvp, const struct frame_vk_opt_t *opt);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_set_param
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_set_param)(
|
|
libra_vk_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_get_param
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_get_param)(
|
|
libra_vk_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_set_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_set_active_pass_count)(
|
|
libra_vk_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_get_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_get_active_pass_count)(
|
|
libra_vk_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Function pointer definition for
|
|
/// libra_vk_filter_chain_free
|
|
typedef libra_error_t (*PFN_libra_vk_filter_chain_free)(
|
|
libra_vk_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_create
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_create)(
|
|
libra_shader_preset_t *preset, ID3D11Device *device,
|
|
const struct filter_chain_d3d11_opt_t *options,
|
|
libra_d3d11_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_create_deferred
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_create_deferred)(
|
|
libra_shader_preset_t *preset, ID3D11Device *device,
|
|
ID3D11DeviceContext *device_context,
|
|
const struct filter_chain_d3d11_opt_t *options,
|
|
libra_d3d11_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_frame
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_frame)(
|
|
libra_d3d11_filter_chain_t *chain, ID3D11DeviceContext *device_context,
|
|
size_t frame_count, struct libra_source_image_d3d11_t image,
|
|
struct libra_viewport_t viewport, ID3D11RenderTargetView *out,
|
|
const float *mvp, const struct frame_d3d11_opt_t *options);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_set_param
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_set_param)(
|
|
libra_d3d11_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_get_param
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_get_param)(
|
|
libra_d3d11_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_set_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_set_active_pass_count)(
|
|
libra_d3d11_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_get_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_get_active_pass_count)(
|
|
libra_d3d11_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Function pointer definition for
|
|
/// libra_d3d11_filter_chain_free
|
|
typedef libra_error_t (*PFN_libra_d3d11_filter_chain_free)(
|
|
libra_d3d11_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_create
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_create)(
|
|
libra_shader_preset_t *preset, ID3D12Device *device,
|
|
const struct filter_chain_d3d12_opt_t *options,
|
|
libra_d3d12_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_create_deferred
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_create_deferred)(
|
|
libra_shader_preset_t *preset, ID3D12Device *device,
|
|
ID3D12GraphicsCommandList *command_list,
|
|
const struct filter_chain_d3d12_opt_t *options,
|
|
libra_d3d12_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_frame
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_frame)(
|
|
libra_d3d12_filter_chain_t *chain, ID3D12GraphicsCommandList *command_list,
|
|
size_t frame_count, struct libra_source_image_d3d12_t image,
|
|
struct libra_viewport_t viewport, struct libra_output_image_d3d12_t out,
|
|
const float *mvp, const struct frame_d3d12_opt_t *options);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_set_param
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_set_param)(
|
|
libra_d3d12_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_get_param
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_get_param)(
|
|
libra_d3d12_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_set_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_set_active_pass_count)(
|
|
libra_d3d12_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_get_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_get_active_pass_count)(
|
|
libra_d3d12_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Function pointer definition for
|
|
/// libra_d3d12_filter_chain_free
|
|
typedef libra_error_t (*PFN_libra_d3d12_filter_chain_free)(
|
|
libra_d3d12_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_create
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_create)(
|
|
libra_shader_preset_t *preset, id<MTLCommandQueue> queue,
|
|
const struct filter_chain_mtl_opt_t *options,
|
|
libra_mtl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_create_deferred
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_create_deferred)(
|
|
libra_shader_preset_t *preset, id<MTLCommandQueue> queue,
|
|
id<MTLCommandBuffer> command_buffer,
|
|
const struct filter_chain_mtl_opt_t *options,
|
|
libra_mtl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_frame
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_frame)(
|
|
libra_mtl_filter_chain_t *chain, id<MTLCommandBuffer> command_buffer,
|
|
size_t frame_count, id<MTLTexture> image, struct libra_viewport_t viewport,
|
|
id<MTLTexture> output, const float *mvp, const struct frame_mtl_opt_t *opt);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_set_param
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_set_param)(
|
|
libra_mtl_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_get_param
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_get_param)(
|
|
libra_mtl_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_set_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_set_active_pass_count)(
|
|
libra_mtl_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_get_active_pass_count
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_get_active_pass_count)(
|
|
libra_mtl_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Function pointer definition for
|
|
/// libra_mtl_filter_chain_free
|
|
typedef libra_error_t (*PFN_libra_mtl_filter_chain_free)(
|
|
libra_mtl_filter_chain_t *chain);
|
|
#endif
|
|
|
|
/// The current version of the librashader API.
|
|
/// Pass this into `version` for config structs.
|
|
///
|
|
/// API versions are backwards compatible. It is valid to load
|
|
/// a librashader C API instance for all API versions less than
|
|
/// or equal to LIBRASHADER_CURRENT_VERSION, and subsequent API
|
|
/// versions must remain backwards compatible.
|
|
/// ## API Versions
|
|
/// - API version 0: 0.1.0
|
|
/// - API version 1: 0.2.0
|
|
/// - Added rotation, total_subframes, current_subframes to frame options
|
|
/// - Added preset context API
|
|
/// - Added Metal runtime API
|
|
#define LIBRASHADER_CURRENT_VERSION 1
|
|
|
|
/// The current version of the librashader ABI.
|
|
/// Used by the loader to check ABI compatibility.
|
|
///
|
|
/// ABI version 0 is reserved as a sentinel value.
|
|
///
|
|
/// ABI versions are not backwards compatible. It is not
|
|
/// valid to load a librashader C API instance for any ABI
|
|
/// version not equal to LIBRASHADER_CURRENT_ABI.
|
|
/// ## ABI Versions
|
|
/// - ABI version 0: null instance (unloaded)
|
|
/// - ABI version 1: 0.1.0
|
|
#define LIBRASHADER_CURRENT_ABI 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif // __cplusplus
|
|
|
|
/// Get the error code corresponding to this error object.
|
|
///
|
|
/// ## Safety
|
|
/// - `error` must be valid and initialized.
|
|
LIBRA_ERRNO libra_error_errno(libra_error_t error);
|
|
|
|
/// Print the error message.
|
|
///
|
|
/// If `error` is null, this function does nothing and returns 1. Otherwise,
|
|
/// this function returns 0.
|
|
/// ## Safety
|
|
/// - `error` must be a valid and initialized instance of `libra_error_t`.
|
|
int32_t libra_error_print(libra_error_t error);
|
|
|
|
/// Frees any internal state kept by the error.
|
|
///
|
|
/// If `error` is null, this function does nothing and returns 1. Otherwise,
|
|
/// this function returns 0. The resulting error object becomes null.
|
|
/// ## Safety
|
|
/// - `error` must be null or a pointer to a valid and initialized instance of
|
|
/// `libra_error_t`.
|
|
int32_t libra_error_free(libra_error_t *error);
|
|
|
|
/// Writes the error message into `out`
|
|
///
|
|
/// If `error` is null, this function does nothing and returns 1. Otherwise,
|
|
/// this function returns 0.
|
|
/// ## Safety
|
|
/// - `error` must be a valid and initialized instance of `libra_error_t`.
|
|
/// - `out` must be a non-null pointer. The resulting string must not be
|
|
/// modified.
|
|
int32_t libra_error_write(libra_error_t error, char **out);
|
|
|
|
/// Frees an error string previously allocated by `libra_error_write`.
|
|
///
|
|
/// After freeing, the pointer will be set to null.
|
|
/// ## Safety
|
|
/// - If `libra_error_write` is not null, it must point to a string previously
|
|
/// returned by `libra_error_write`.
|
|
/// Attempting to free anything else, including strings or objects from
|
|
/// other librashader functions, is immediate Undefined Behaviour.
|
|
int32_t libra_error_free_string(char **out);
|
|
|
|
/// Load a preset.
|
|
///
|
|
/// ## Safety
|
|
/// - `filename` must be either null or a valid, aligned pointer to a string
|
|
/// path to the shader preset.
|
|
/// - `out` must be either null, or an aligned pointer to an uninitialized or
|
|
/// invalid `libra_shader_preset_t`.
|
|
/// ## Returns
|
|
/// - If any parameters are null, `out` is unchanged, and this function returns
|
|
/// `LIBRA_ERR_INVALID_PARAMETER`.
|
|
libra_error_t libra_preset_create(const char *filename,
|
|
libra_shader_preset_t *out);
|
|
|
|
/// Load a preset with the given wildcard context.
|
|
///
|
|
/// The wildcard context is immediately invalidated and must be recreated after
|
|
/// the preset is created.
|
|
///
|
|
/// Path information variables `PRESET_DIR` and `PRESET` will automatically be
|
|
/// filled in.
|
|
/// ## Safety
|
|
/// - `filename` must be either null or a valid, aligned pointer to a string
|
|
/// path to the shader preset.
|
|
/// - `context` must be either null or a valid, aligned pointer to a
|
|
/// initialized `libra_preset_ctx_t`.
|
|
/// - `context` is invalidated after this function returns.
|
|
/// - `out` must be either null, or an aligned pointer to an uninitialized or
|
|
/// invalid `libra_shader_preset_t`.
|
|
/// ## Returns
|
|
/// - If any parameters are null, `out` is unchanged, and this function returns
|
|
/// `LIBRA_ERR_INVALID_PARAMETER`.
|
|
libra_error_t libra_preset_create_with_context(const char *filename,
|
|
libra_preset_ctx_t *context,
|
|
libra_shader_preset_t *out);
|
|
|
|
/// Free the preset.
|
|
///
|
|
/// If `preset` is null, this function does nothing. The resulting value in
|
|
/// `preset` then becomes null.
|
|
///
|
|
/// ## Safety
|
|
/// - `preset` must be a valid and aligned pointer to a `libra_shader_preset_t`.
|
|
libra_error_t libra_preset_free(libra_shader_preset_t *preset);
|
|
|
|
/// Set the value of the parameter in the preset.
|
|
///
|
|
/// ## Safety
|
|
/// - `preset` must be null or a valid and aligned pointer to a
|
|
/// `libra_shader_preset_t`.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
libra_error_t libra_preset_set_param(libra_shader_preset_t *preset,
|
|
const char *name, float value);
|
|
|
|
/// Get the value of the parameter as set in the preset.
|
|
///
|
|
/// ## Safety
|
|
/// - `preset` must be null or a valid and aligned pointer to a shader preset.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
/// - `value` may be a pointer to a uninitialized `float`.
|
|
libra_error_t libra_preset_get_param(libra_shader_preset_t *preset,
|
|
const char *name, float *value);
|
|
|
|
/// Pretty print the shader preset.
|
|
///
|
|
/// ## Safety
|
|
/// - `preset` must be null or a valid and aligned pointer to a
|
|
/// `libra_shader_preset_t`.
|
|
libra_error_t libra_preset_print(libra_shader_preset_t *preset);
|
|
|
|
/// Get a list of runtime parameters.
|
|
///
|
|
/// ## Safety
|
|
/// - `preset` must be null or a valid and aligned pointer to a
|
|
/// `libra_shader_preset_t`.
|
|
/// - `out` must be an aligned pointer to a `libra_preset_parameter_list_t`.
|
|
/// - The output struct should be treated as immutable. Mutating any struct
|
|
/// fields
|
|
/// in the returned struct may at best cause memory leaks, and at worse
|
|
/// cause undefined behaviour when later freed.
|
|
/// - It is safe to call `libra_preset_get_runtime_params` multiple times,
|
|
/// however
|
|
/// the output struct must only be freed once per call.
|
|
libra_error_t libra_preset_get_runtime_params(
|
|
libra_shader_preset_t *preset, struct libra_preset_param_list_t *out);
|
|
|
|
/// Free the runtime parameters.
|
|
///
|
|
/// Unlike the other `free` functions provided by librashader,
|
|
/// `libra_preset_free_runtime_params` takes the struct directly.
|
|
/// The caller must take care to maintain the lifetime of any pointers
|
|
/// contained within the input `libra_preset_param_list_t`.
|
|
///
|
|
/// ## Safety
|
|
/// - Any pointers rooted at `parameters` becomes invalid after this function
|
|
/// returns,
|
|
/// including any strings accessible via the input
|
|
/// `libra_preset_param_list_t`. The caller must ensure that there are no live
|
|
/// pointers, aliased or unaliased, to data accessible via the input
|
|
/// `libra_preset_param_list_t`.
|
|
///
|
|
/// - Accessing any data pointed to via the input `libra_preset_param_list_t`
|
|
/// after it
|
|
/// has been freed is a use-after-free and is immediate undefined behaviour.
|
|
///
|
|
/// - If any struct fields of the input `libra_preset_param_list_t` was modified
|
|
/// from
|
|
/// their values given after `libra_preset_get_runtime_params`, this may
|
|
/// result in undefined behaviour.
|
|
libra_error_t libra_preset_free_runtime_params(
|
|
struct libra_preset_param_list_t preset);
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Initialize the OpenGL Context for librashader.
|
|
///
|
|
/// This only has to be done once throughout the lifetime of the application,
|
|
/// unless for whatever reason you switch OpenGL loaders mid-flight.
|
|
///
|
|
/// ## Safety
|
|
/// Attempting to create a filter chain will fail if the GL context is not
|
|
/// initialized.
|
|
///
|
|
/// Reinitializing the OpenGL context with a different loader immediately
|
|
/// invalidates previous filter chain objects, and drawing with them causes
|
|
/// immediate undefined behaviour.
|
|
libra_error_t libra_gl_init_context(libra_gl_loader_t loader);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Create the filter chain given the shader preset.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
libra_error_t libra_gl_filter_chain_create(
|
|
libra_shader_preset_t *preset, const struct filter_chain_gl_opt_t *options,
|
|
libra_gl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Draw a frame with the given parameters for the given filter chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` may be null, invalid, but not uninitialized. If `chain` is null or
|
|
/// invalid, this
|
|
/// function will return an error.
|
|
/// - `mvp` may be null, or if it is not null, must be an aligned pointer to 16
|
|
/// consecutive `float`
|
|
/// values for the model view projection matrix.
|
|
/// - `opt` may be null, or if it is not null, must be an aligned pointer to a
|
|
/// valid `frame_gl_opt_t`
|
|
/// struct.
|
|
/// - You must ensure that only one thread has access to `chain` before you call
|
|
/// this function. Only one
|
|
/// thread at a time may call this function. The thread
|
|
/// `libra_gl_filter_chain_frame` is called from must have its thread-local
|
|
/// OpenGL context initialized with the same context used to create the filter
|
|
/// chain.
|
|
libra_error_t libra_gl_filter_chain_frame(
|
|
libra_gl_filter_chain_t *chain, size_t frame_count,
|
|
struct libra_source_image_gl_t image, struct libra_viewport_t viewport,
|
|
struct libra_output_framebuffer_gl_t out, const float *mvp,
|
|
const struct frame_gl_opt_t *opt);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Sets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_gl_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_gl_filter_chain_set_param(libra_gl_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Gets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_gl_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_gl_filter_chain_get_param(libra_gl_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Sets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_gl_filter_chain_t`.
|
|
libra_error_t libra_gl_filter_chain_set_active_pass_count(
|
|
libra_gl_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Gets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_gl_filter_chain_t`.
|
|
libra_error_t libra_gl_filter_chain_get_active_pass_count(
|
|
libra_gl_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_OPENGL)
|
|
/// Free a GL filter chain.
|
|
///
|
|
/// The resulting value in `chain` then becomes null.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_gl_filter_chain_t`.
|
|
libra_error_t libra_gl_filter_chain_free(libra_gl_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Create the filter chain given the shader preset.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - The handles provided in `vulkan` must be valid for the command buffers
|
|
/// that
|
|
/// `libra_vk_filter_chain_frame` will write to.
|
|
/// created with the `VK_KHR_dynamic_rendering` extension.
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
libra_error_t libra_vk_filter_chain_create(
|
|
libra_shader_preset_t *preset, struct libra_device_vk_t vulkan,
|
|
const struct filter_chain_vk_opt_t *options, libra_vk_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Create the filter chain given the shader preset deferring and GPU-side
|
|
/// initialization to the caller. This function therefore requires no external
|
|
/// synchronization of the device queue.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - The handles provided in `vulkan` must be valid for the command buffers
|
|
/// that
|
|
/// `libra_vk_filter_chain_frame` will write to.
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
///
|
|
/// The provided command buffer must be ready for recording and contain no prior
|
|
/// commands. The caller is responsible for ending the command buffer and
|
|
/// immediately submitting it to a graphics queue. The command buffer must be
|
|
/// completely executed before calling `libra_vk_filter_chain_frame`.
|
|
libra_error_t libra_vk_filter_chain_create_deferred(
|
|
libra_shader_preset_t *preset, struct libra_device_vk_t vulkan,
|
|
VkCommandBuffer command_buffer, const struct filter_chain_vk_opt_t *options,
|
|
libra_vk_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Records rendering commands for a frame with the given parameters for the
|
|
/// given filter chain to the input command buffer.
|
|
///
|
|
/// * The input image must be in the `VK_SHADER_READ_ONLY_OPTIMAL` layout.
|
|
/// * The output image must be in `VK_COLOR_ATTACHMENT_OPTIMAL` layout.
|
|
///
|
|
/// librashader **will not** create a pipeline barrier for the final pass. The
|
|
/// output image will remain in `VK_COLOR_ATTACHMENT_OPTIMAL` after all shader
|
|
/// passes. The caller must transition the output image to the final layout.
|
|
///
|
|
/// ## Safety
|
|
/// - `libra_vk_filter_chain_frame` **must not be called within a RenderPass**.
|
|
/// - `command_buffer` must be a valid handle to a `VkCommandBuffer` that is
|
|
/// ready for recording.
|
|
/// - `chain` may be null, invalid, but not uninitialized. If `chain` is null or
|
|
/// invalid, this
|
|
/// function will return an error.
|
|
/// - `mvp` may be null, or if it is not null, must be an aligned pointer to 16
|
|
/// consecutive `float`
|
|
/// values for the model view projection matrix.
|
|
/// - `opt` may be null, or if it is not null, must be an aligned pointer to a
|
|
/// valid `frame_vk_opt_t`
|
|
/// struct.
|
|
/// - You must ensure that only one thread has access to `chain` before you call
|
|
/// this function. Only one
|
|
/// thread at a time may call this function.
|
|
libra_error_t libra_vk_filter_chain_frame(
|
|
libra_vk_filter_chain_t *chain, VkCommandBuffer command_buffer,
|
|
size_t frame_count, struct libra_source_image_vk_t image,
|
|
struct libra_viewport_t viewport, struct libra_output_image_vk_t out,
|
|
const float *mvp, const struct frame_vk_opt_t *opt);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Sets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_vk_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_vk_filter_chain_set_param(libra_vk_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Gets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_vk_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_vk_filter_chain_get_param(libra_vk_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Sets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_vk_filter_chain_t`.
|
|
libra_error_t libra_vk_filter_chain_set_active_pass_count(
|
|
libra_vk_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Gets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_vk_filter_chain_t`.
|
|
libra_error_t libra_vk_filter_chain_get_active_pass_count(
|
|
libra_vk_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if defined(LIBRA_RUNTIME_VULKAN)
|
|
/// Free a Vulkan filter chain.
|
|
///
|
|
/// The resulting value in `chain` then becomes null.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_vk_filter_chain_t`.
|
|
libra_error_t libra_vk_filter_chain_free(libra_vk_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Create the filter chain given the shader preset.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `device` must not be null.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
libra_error_t libra_d3d11_filter_chain_create(
|
|
libra_shader_preset_t *preset, ID3D11Device *device,
|
|
const struct filter_chain_d3d11_opt_t *options,
|
|
libra_d3d11_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Create the filter chain given the shader preset, deferring and GPU-side
|
|
/// initialization to the caller. This function is therefore requires no
|
|
/// external synchronization of the immediate context, as long as the immediate
|
|
/// context is not used as the input context, nor of the device, as long as the
|
|
/// device is not single-threaded only.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `device` must not be null.
|
|
/// - `device_context` not be null.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
///
|
|
/// The provided context must either be immediate, or immediately submitted
|
|
/// after this function returns, **before drawing frames**, or lookup textures
|
|
/// will fail to load and the filter chain will be in an invalid state.
|
|
///
|
|
/// If the context is deferred, it must be ready for command recording, and have
|
|
/// no prior commands recorded. No commands shall be recorded after, the caller
|
|
/// must immediately call
|
|
/// [`FinishCommandList`](https://learn.microsoft.com/en-us/windows/win32/api/d3d11/nf-d3d11-id3d11devicecontext-finishcommandlist)
|
|
/// and execute the command list on the immediate context after this function
|
|
/// returns.
|
|
///
|
|
/// If the context is immediate, then access to the immediate context requires
|
|
/// external synchronization.
|
|
libra_error_t libra_d3d11_filter_chain_create_deferred(
|
|
libra_shader_preset_t *preset, ID3D11Device *device,
|
|
ID3D11DeviceContext *device_context,
|
|
const struct filter_chain_d3d11_opt_t *options,
|
|
libra_d3d11_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Draw a frame with the given parameters for the given filter chain.
|
|
///
|
|
/// If `device_context` is null, then commands are recorded onto the immediate
|
|
/// context. Otherwise, it will record commands onto the provided context. If
|
|
/// the context is deferred, librashader will not finalize command lists. The
|
|
/// context must otherwise be associated with the `ID3D11Device`
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` may be null, invalid, but not uninitialized. If `chain` is null or
|
|
/// invalid, this
|
|
/// function will return an error.
|
|
/// - `mvp` may be null, or if it is not null, must be an aligned pointer to 16
|
|
/// consecutive `float`
|
|
/// values for the model view projection matrix.
|
|
/// - `opt` may be null, or if it is not null, must be an aligned pointer to a
|
|
/// valid `frame_d3d11_opt_t`
|
|
/// struct.
|
|
/// - `out` must not be null.
|
|
/// - `image.handle` must not be null.
|
|
/// - If `device_context` is null, commands will be recorded onto the immediate
|
|
/// context of the `ID3D11Device`
|
|
/// this filter chain was created with. The context must otherwise be
|
|
/// associated with the `ID3D11Device` the filter chain was created with.
|
|
/// - You must ensure that only one thread has access to `chain` before you call
|
|
/// this function. Only one
|
|
/// thread at a time may call this function.
|
|
libra_error_t libra_d3d11_filter_chain_frame(
|
|
libra_d3d11_filter_chain_t *chain, ID3D11DeviceContext *device_context,
|
|
size_t frame_count, struct libra_source_image_d3d11_t image,
|
|
struct libra_viewport_t viewport, ID3D11RenderTargetView *out,
|
|
const float *mvp, const struct frame_d3d11_opt_t *options);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Sets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d11_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_d3d11_filter_chain_set_param(
|
|
libra_d3d11_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Gets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d11_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_d3d11_filter_chain_get_param(
|
|
libra_d3d11_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Sets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d11_filter_chain_t`.
|
|
libra_error_t libra_d3d11_filter_chain_set_active_pass_count(
|
|
libra_d3d11_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Gets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d11_filter_chain_t`.
|
|
libra_error_t libra_d3d11_filter_chain_get_active_pass_count(
|
|
libra_d3d11_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D11))
|
|
/// Free a D3D11 filter chain.
|
|
///
|
|
/// The resulting value in `chain` then becomes null.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d11_filter_chain_t`.
|
|
libra_error_t libra_d3d11_filter_chain_free(libra_d3d11_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Create the filter chain given the shader preset.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `device` must not be null.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
libra_error_t libra_d3d12_filter_chain_create(
|
|
libra_shader_preset_t *preset, ID3D12Device *device,
|
|
const struct filter_chain_d3d12_opt_t *options,
|
|
libra_d3d12_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Create the filter chain given the shader preset deferring and GPU-side
|
|
/// initialization to the caller. This function therefore requires no external
|
|
/// synchronization of the device queue.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `device` must not be null.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
/// - `cmd` must not be null.
|
|
///
|
|
/// The provided command list must be ready for recording and contain no prior
|
|
/// commands. The caller is responsible for ending the command list and
|
|
/// immediately submitting it to a graphics queue. The command list must be
|
|
/// completely executed before calling `libra_d3d12_filter_chain_frame`.
|
|
libra_error_t libra_d3d12_filter_chain_create_deferred(
|
|
libra_shader_preset_t *preset, ID3D12Device *device,
|
|
ID3D12GraphicsCommandList *command_list,
|
|
const struct filter_chain_d3d12_opt_t *options,
|
|
libra_d3d12_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Records rendering commands for a frame with the given parameters for the
|
|
/// given filter chain to the input command list.
|
|
///
|
|
/// * The input image must be in the
|
|
/// `D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE` resource state.
|
|
/// * The output image must be in `D3D12_RESOURCE_STATE_RENDER_TARGET` resource
|
|
/// state.
|
|
///
|
|
/// librashader **will not** create a resource barrier for the final pass. The
|
|
/// output image will remain in `D3D12_RESOURCE_STATE_RENDER_TARGET` after all
|
|
/// shader passes. The caller must transition the output image to the final
|
|
/// resource state.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` may be null, invalid, but not uninitialized. If `chain` is null or
|
|
/// invalid, this
|
|
/// function will return an error.
|
|
/// - `mvp` may be null, or if it is not null, must be an aligned pointer to 16
|
|
/// consecutive `float`
|
|
/// values for the model view projection matrix.
|
|
/// - `opt` may be null, or if it is not null, must be an aligned pointer to a
|
|
/// valid `frame_d3d12_opt_t`
|
|
/// struct.
|
|
/// - `out` must be a descriptor handle to a render target view.
|
|
/// - `image.resource` must not be null.
|
|
/// - `command_list` must be a non-null pointer to a `ID3D12GraphicsCommandList`
|
|
/// that is open,
|
|
/// and must be associated with the `ID3D12Device` this filter chain was
|
|
/// created with.
|
|
/// - You must ensure that only one thread has access to `chain` before you call
|
|
/// this function. Only one
|
|
/// thread at a time may call this function.
|
|
libra_error_t libra_d3d12_filter_chain_frame(
|
|
libra_d3d12_filter_chain_t *chain, ID3D12GraphicsCommandList *command_list,
|
|
size_t frame_count, struct libra_source_image_d3d12_t image,
|
|
struct libra_viewport_t viewport, struct libra_output_image_d3d12_t out,
|
|
const float *mvp, const struct frame_d3d12_opt_t *options);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Sets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d12_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_d3d12_filter_chain_set_param(
|
|
libra_d3d12_filter_chain_t *chain, const char *param_name, float value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Gets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d12_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_d3d12_filter_chain_get_param(
|
|
libra_d3d12_filter_chain_t *chain, const char *param_name, float *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Sets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d12_filter_chain_t`.
|
|
libra_error_t libra_d3d12_filter_chain_set_active_pass_count(
|
|
libra_d3d12_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Gets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d12_filter_chain_t`.
|
|
libra_error_t libra_d3d12_filter_chain_get_active_pass_count(
|
|
libra_d3d12_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(_WIN32) && defined(LIBRA_RUNTIME_D3D12))
|
|
/// Free a D3D12 filter chain.
|
|
///
|
|
/// The resulting value in `chain` then becomes null.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_d3d12_filter_chain_t`.
|
|
libra_error_t libra_d3d12_filter_chain_free(libra_d3d12_filter_chain_t *chain);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Create the filter chain given the shader preset.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `queue` must be valid for the command buffers
|
|
/// that `libra_mtl_filter_chain_frame` will write to.
|
|
/// - `queue` must be a reference to a `id<MTLCommandQueue>`.
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
libra_error_t libra_mtl_filter_chain_create(
|
|
libra_shader_preset_t *preset, id<MTLCommandQueue> queue,
|
|
const struct filter_chain_mtl_opt_t *options,
|
|
libra_mtl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Create the filter chain given the shader preset deferring and GPU-side
|
|
/// initialization to the caller. This function therefore requires no external
|
|
/// synchronization of the device queue.
|
|
///
|
|
/// The shader preset is immediately invalidated and must be recreated after
|
|
/// the filter chain is created.
|
|
///
|
|
/// ## Safety:
|
|
/// - `queue` must be valid for the command buffers
|
|
/// that `libra_mtl_filter_chain_frame` will write to.
|
|
/// - `queue` must be a reference to a `id<MTLCommandQueue>`.
|
|
/// - `command_buffer` must be a valid reference to a `MTLCommandBuffer` that is
|
|
/// not already encoding.
|
|
/// - `preset` must be either null, or valid and aligned.
|
|
/// - `options` must be either null, or valid and aligned.
|
|
/// - `out` must be aligned, but may be null, invalid, or uninitialized.
|
|
///
|
|
/// The provided command buffer must be ready for recording and contain no prior
|
|
/// commands. The caller is responsible for ending the command buffer and
|
|
/// immediately submitting it to a graphics queue. The command buffer must be
|
|
/// completely executed before calling `libra_mtl_filter_chain_frame`.
|
|
libra_error_t libra_mtl_filter_chain_create_deferred(
|
|
libra_shader_preset_t *preset, id<MTLCommandQueue> queue,
|
|
id<MTLCommandBuffer> command_buffer,
|
|
const struct filter_chain_mtl_opt_t *options,
|
|
libra_mtl_filter_chain_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Records rendering commands for a frame with the given parameters for the
|
|
/// given filter chain to the input command buffer.
|
|
///
|
|
/// ## Safety
|
|
/// - `command_buffer` must be a valid reference to a `MTLCommandBuffer` that is
|
|
/// not already encoding.
|
|
/// - `chain` may be null, invalid, but not uninitialized. If `chain` is null or
|
|
/// invalid, this
|
|
/// function will return an error.
|
|
/// - `mvp` may be null, or if it is not null, must be an aligned pointer to 16
|
|
/// consecutive `float`
|
|
/// values for the model view projection matrix.
|
|
/// - `opt` may be null, or if it is not null, must be an aligned pointer to a
|
|
/// valid `frame_mtl_opt_t`
|
|
/// struct.
|
|
/// - You must ensure that only one thread has access to `chain` before you call
|
|
/// this function. Only one
|
|
/// thread at a time may call this function.
|
|
libra_error_t libra_mtl_filter_chain_frame(
|
|
libra_mtl_filter_chain_t *chain, id<MTLCommandBuffer> command_buffer,
|
|
size_t frame_count, id<MTLTexture> image, struct libra_viewport_t viewport,
|
|
id<MTLTexture> output, const float *mvp, const struct frame_mtl_opt_t *opt);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Sets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_mtl_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_mtl_filter_chain_set_param(libra_mtl_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float value);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Gets a parameter for the filter chain.
|
|
///
|
|
/// If the parameter does not exist, returns an error.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_mtl_filter_chain_t`.
|
|
/// - `param_name` must be either null or a null terminated string.
|
|
libra_error_t libra_mtl_filter_chain_get_param(libra_mtl_filter_chain_t *chain,
|
|
const char *param_name,
|
|
float *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Sets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_mtl_filter_chain_t`.
|
|
libra_error_t libra_mtl_filter_chain_set_active_pass_count(
|
|
libra_mtl_filter_chain_t *chain, uint32_t value);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Gets the number of active passes for this chain.
|
|
///
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_mtl_filter_chain_t`.
|
|
libra_error_t libra_mtl_filter_chain_get_active_pass_count(
|
|
libra_mtl_filter_chain_t *chain, uint32_t *out);
|
|
#endif
|
|
|
|
#if (defined(__APPLE__) && defined(LIBRA_RUNTIME_METAL) && defined(__OBJC__))
|
|
/// Free a Metal filter chain.
|
|
///
|
|
/// The resulting value in `chain` then becomes null.
|
|
/// ## Safety
|
|
/// - `chain` must be either null or a valid and aligned pointer to an
|
|
/// initialized `libra_mtl_filter_chain_t`.
|
|
libra_error_t libra_mtl_filter_chain_free(libra_mtl_filter_chain_t *chain);
|
|
#endif
|
|
|
|
/// Get the ABI version of the loaded instance.
|
|
LIBRASHADER_ABI_VERSION libra_instance_abi_version(void);
|
|
|
|
/// Get the API version of the loaded instance.
|
|
LIBRASHADER_API_VERSION libra_instance_api_version(void);
|
|
|
|
/// Create a wildcard context
|
|
///
|
|
/// The C API does not allow directly setting certain variables
|
|
///
|
|
/// - `PRESET_DIR` and `PRESET` are inferred on preset creation.
|
|
/// - `VID-DRV-SHADER-EXT` and `VID-DRV-PRESET-EXT` are always set to `slang`
|
|
/// and `slangp` for librashader.
|
|
/// - `VID-FINAL-ROT` is automatically calculated as the sum of `VID-USER-ROT`
|
|
/// and `CORE-REQ-ROT` if either are present.
|
|
///
|
|
/// These automatically inferred variables, as well as all other variables can
|
|
/// be overridden with `libra_preset_ctx_set_param`, but the expected string
|
|
/// values must be provided. See
|
|
/// https://github.com/libretro/RetroArch/pull/15023 for a list of expected
|
|
/// string values.
|
|
///
|
|
/// No variables can be removed once added to the context, however subsequent
|
|
/// calls to set the same variable will overwrite the expected variable.
|
|
/// ## Safety
|
|
/// - `out` must be either null, or an aligned pointer to an uninitialized or
|
|
/// invalid `libra_preset_ctx_t`.
|
|
/// ## Returns
|
|
/// - If any parameters are null, `out` is unchanged, and this function returns
|
|
/// `LIBRA_ERR_INVALID_PARAMETER`.
|
|
libra_error_t libra_preset_ctx_create(libra_preset_ctx_t *out);
|
|
|
|
/// Free the wildcard context.
|
|
///
|
|
/// If `context` is null, this function does nothing. The resulting value in
|
|
/// `context` then becomes null.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be a valid and aligned pointer to a `libra_preset_ctx_t`
|
|
libra_error_t libra_preset_ctx_free(libra_preset_ctx_t *context);
|
|
|
|
/// Set the core name (`CORE`) variable in the context
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
libra_error_t libra_preset_ctx_set_core_name(libra_preset_ctx_t *context,
|
|
const char *name);
|
|
|
|
/// Set the content directory (`CONTENT-DIR`) variable in the context.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
libra_error_t libra_preset_ctx_set_content_dir(libra_preset_ctx_t *context,
|
|
const char *name);
|
|
|
|
/// Set a custom string variable in context.
|
|
///
|
|
/// If the path contains this variable when loading a preset, it will be
|
|
/// replaced with the provided contents.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
/// - `value` must be null or a valid and aligned pointer to a string.
|
|
libra_error_t libra_preset_ctx_set_param(libra_preset_ctx_t *context,
|
|
const char *name, const char *value);
|
|
|
|
/// Set the graphics runtime (`VID-DRV`) variable in the context.
|
|
///
|
|
/// Note that librashader only supports the following runtimes.
|
|
///
|
|
/// - Vulkan
|
|
/// - GLCore
|
|
/// - Direct3D11
|
|
/// - Direct3D12
|
|
/// - Metal
|
|
///
|
|
/// This will also set the appropriate video driver extensions.
|
|
///
|
|
/// For librashader, `VID-DRV-SHADER-EXT` and `VID-DRV-PRESET-EXT` are always
|
|
/// `slang` and `slangp`. To override this, use `libra_preset_ctx_set_param`.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
/// - `name` must be null or a valid and aligned pointer to a string.
|
|
libra_error_t libra_preset_ctx_set_runtime(libra_preset_ctx_t *context,
|
|
LIBRA_PRESET_CTX_RUNTIME value);
|
|
|
|
/// Set the core requested rotation (`CORE-REQ-ROT`) variable in the context.
|
|
///
|
|
/// Rotation is represented by quarter rotations around the unit circle.
|
|
/// For example. `0` = 0deg, `1` = 90deg, `2` = 180deg, `3` = 270deg, `4` =
|
|
/// 0deg.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_core_rotation(libra_preset_ctx_t *context,
|
|
uint32_t value);
|
|
|
|
/// Set the user rotation (`VID-USER-ROT`) variable in the context.
|
|
///
|
|
/// Rotation is represented by quarter rotations around the unit circle.
|
|
/// For example. `0` = 0deg, `1` = 90deg, `2` = 180deg, `3` = 270deg, `4` =
|
|
/// 0deg.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_user_rotation(libra_preset_ctx_t *context,
|
|
uint32_t value);
|
|
|
|
/// Set the screen orientation (`SCREEN-ORIENT`) variable in the context.
|
|
///
|
|
/// Orientation is represented by quarter rotations around the unit circle.
|
|
/// For example. `0` = 0deg, `1` = 90deg, `2` = 180deg, `3` = 270deg, `4` =
|
|
/// 0deg.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_screen_orientation(
|
|
libra_preset_ctx_t *context, uint32_t value);
|
|
|
|
/// Set whether or not to allow rotation (`VID-ALLOW-CORE-ROT`) variable in the
|
|
/// context.
|
|
///
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_allow_rotation(libra_preset_ctx_t *context,
|
|
bool value);
|
|
|
|
/// Set the view aspect orientation (`VIEW-ASPECT-ORIENT`) variable in the
|
|
/// context.
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_view_aspect_orientation(
|
|
libra_preset_ctx_t *context, LIBRA_PRESET_CTX_ORIENTATION value);
|
|
|
|
/// Set the core aspect orientation (`CORE-ASPECT-ORIENT`) variable in the
|
|
/// context.
|
|
/// ## Safety
|
|
/// - `context` must be null or a valid and aligned pointer to a
|
|
/// `libra_preset_ctx_t`.
|
|
libra_error_t libra_preset_ctx_set_core_aspect_orientation(
|
|
libra_preset_ctx_t *context, LIBRA_PRESET_CTX_ORIENTATION value);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif // __cplusplus
|
|
|
|
#endif /* __LIBRASHADER_H__ */
|