mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-29 17:15:40 +00:00
397 lines
9.6 KiB
C++
397 lines
9.6 KiB
C++
/*
|
|
* Copyright (C) 2014 Patrick Mours
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "effect_expression.hpp"
|
|
#include <cstdint>
|
|
|
|
namespace reshadefx
|
|
{
|
|
/// <summary>
|
|
/// Describes an annotation attached to a variable.
|
|
/// </summary>
|
|
struct annotation
|
|
{
|
|
reshadefx::type type = {};
|
|
std::string name;
|
|
reshadefx::constant value = {};
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a struct member or parameter.
|
|
/// </summary>
|
|
struct member_type
|
|
{
|
|
reshadefx::type type = {};
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string semantic;
|
|
reshadefx::location location;
|
|
bool has_default_value = false;
|
|
reshadefx::constant default_value = {};
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a struct type defined in effect code.
|
|
/// </summary>
|
|
struct struct_type
|
|
{
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string unique_name;
|
|
std::vector<member_type> member_list;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Available texture types.
|
|
/// </summary>
|
|
enum class texture_type : uint8_t
|
|
{
|
|
texture_1d = 1,
|
|
texture_2d = 2,
|
|
texture_3d = 3
|
|
};
|
|
|
|
/// <summary>
|
|
/// Available texture formats.
|
|
/// </summary>
|
|
enum class texture_format : uint8_t
|
|
{
|
|
unknown,
|
|
|
|
r8,
|
|
r16,
|
|
r16f,
|
|
r32i,
|
|
r32u,
|
|
r32f,
|
|
rg8,
|
|
rg16,
|
|
rg16f,
|
|
rg32f,
|
|
rgba8,
|
|
rgba16,
|
|
rgba16f,
|
|
rgba32f,
|
|
rgb10a2
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the properties of a <see cref="texture"/> object.
|
|
/// </summary>
|
|
struct texture_desc
|
|
{
|
|
uint32_t width = 1;
|
|
uint32_t height = 1;
|
|
uint16_t depth = 1;
|
|
uint16_t levels = 1;
|
|
texture_type type = texture_type::texture_2d;
|
|
texture_format format = texture_format::rgba8;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a texture object defined in effect code.
|
|
/// </summary>
|
|
struct texture : texture_desc
|
|
{
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string unique_name;
|
|
std::string semantic;
|
|
std::vector<annotation> annotations;
|
|
bool render_target = false;
|
|
bool storage_access = false;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the binding of a <see cref="texture"/> object.
|
|
/// </summary>
|
|
struct texture_binding
|
|
{
|
|
uint32_t binding = 0;
|
|
std::string texture_name;
|
|
bool srgb = false;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Texture filtering modes available for texture sampling operations.
|
|
/// </summary>
|
|
enum class filter_mode : uint8_t
|
|
{
|
|
min_mag_mip_point = 0,
|
|
min_mag_point_mip_linear = 0x1,
|
|
min_point_mag_linear_mip_point = 0x4,
|
|
min_point_mag_mip_linear = 0x5,
|
|
min_linear_mag_mip_point = 0x10,
|
|
min_linear_mag_point_mip_linear = 0x11,
|
|
min_mag_linear_mip_point = 0x14,
|
|
min_mag_mip_linear = 0x15,
|
|
anisotropic = 0x55
|
|
};
|
|
|
|
/// <summary>
|
|
/// Sampling behavior at texture coordinates outside the bounds of a texture resource.
|
|
/// </summary>
|
|
enum class texture_address_mode : uint8_t
|
|
{
|
|
wrap = 1,
|
|
mirror = 2,
|
|
clamp = 3,
|
|
border = 4
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the properties of a <see cref="sampler"/> object.
|
|
/// </summary>
|
|
struct sampler_desc
|
|
{
|
|
filter_mode filter = filter_mode::min_mag_mip_linear;
|
|
texture_address_mode address_u = texture_address_mode::clamp;
|
|
texture_address_mode address_v = texture_address_mode::clamp;
|
|
texture_address_mode address_w = texture_address_mode::clamp;
|
|
float min_lod = -3.402823466e+38f;
|
|
float max_lod = +3.402823466e+38f; // FLT_MAX
|
|
float lod_bias = 0.0f;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a texture sampler object defined in effect code.
|
|
/// </summary>
|
|
struct sampler : sampler_desc
|
|
{
|
|
reshadefx::type type = {};
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string unique_name;
|
|
std::string texture_name;
|
|
std::vector<annotation> annotations;
|
|
bool srgb = false;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the binding of a <see cref="sampler"/> object.
|
|
/// </summary>
|
|
struct sampler_binding : sampler_desc
|
|
{
|
|
uint32_t binding = 0;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the properties of a <see cref="storage"/> object.
|
|
/// </summary>
|
|
struct storage_desc
|
|
{
|
|
uint16_t level = 0;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a texture storage object defined in effect code.
|
|
/// </summary>
|
|
struct storage : storage_desc
|
|
{
|
|
reshadefx::type type = {};
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string unique_name;
|
|
std::string texture_name;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes the binding of a <see cref="storage"/> object.
|
|
/// </summary>
|
|
struct storage_binding : storage_desc
|
|
{
|
|
uint32_t binding = 0;
|
|
std::string texture_name;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a uniform variable defined in effect code.
|
|
/// </summary>
|
|
struct uniform
|
|
{
|
|
reshadefx::type type = {};
|
|
std::string name;
|
|
uint32_t size = 0;
|
|
uint32_t offset = 0;
|
|
std::vector<annotation> annotations;
|
|
bool has_initializer_value = false;
|
|
reshadefx::constant initializer_value = {};
|
|
};
|
|
|
|
/// <summary>
|
|
/// Type of a shader entry point.
|
|
/// </summary>
|
|
enum class shader_type
|
|
{
|
|
unknown,
|
|
vertex,
|
|
pixel,
|
|
compute
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a function defined in effect code.
|
|
/// </summary>
|
|
struct function
|
|
{
|
|
reshadefx::type return_type = {};
|
|
uint32_t id = 0;
|
|
std::string name;
|
|
std::string unique_name;
|
|
std::string return_semantic;
|
|
std::vector<member_type> parameter_list;
|
|
shader_type type = shader_type::unknown;
|
|
int num_threads[3] = {};
|
|
std::vector<uint32_t> referenced_samplers;
|
|
std::vector<uint32_t> referenced_storages;
|
|
std::vector<uint32_t> referenced_functions;
|
|
};
|
|
|
|
/// <summary>
|
|
/// Color or alpha blending operations.
|
|
/// </summary>
|
|
enum class blend_op : uint8_t
|
|
{
|
|
add = 1,
|
|
subtract,
|
|
reverse_subtract,
|
|
min,
|
|
max
|
|
};
|
|
|
|
/// <summary>
|
|
/// Blend factors in color or alpha blending operations, which modulate values between the pixel shader output and render target.
|
|
/// </summary>
|
|
enum class blend_factor : uint8_t
|
|
{
|
|
zero = 0,
|
|
one = 1,
|
|
source_color,
|
|
one_minus_source_color,
|
|
dest_color,
|
|
one_minus_dest_color,
|
|
source_alpha,
|
|
one_minus_source_alpha,
|
|
dest_alpha,
|
|
one_minus_dest_alpha
|
|
};
|
|
|
|
/// <summary>
|
|
/// Stencil operations that can be performed during depth-stencil testing.
|
|
/// </summary>
|
|
enum class stencil_op : uint8_t
|
|
{
|
|
zero = 0,
|
|
keep,
|
|
replace,
|
|
increment_saturate,
|
|
decrement_saturate,
|
|
invert,
|
|
increment,
|
|
decrement
|
|
};
|
|
|
|
/// <summary>
|
|
/// Comparison operations for depth-stencil testing.
|
|
/// </summary>
|
|
enum class stencil_func : uint8_t
|
|
{
|
|
never,
|
|
less,
|
|
equal,
|
|
less_equal,
|
|
greater,
|
|
not_equal,
|
|
greater_equal,
|
|
always
|
|
};
|
|
|
|
/// <summary>
|
|
/// Specifies the possible primitives.
|
|
/// </summary>
|
|
enum class primitive_topology : uint8_t
|
|
{
|
|
point_list = 1,
|
|
line_list,
|
|
line_strip,
|
|
triangle_list,
|
|
triangle_strip
|
|
};
|
|
|
|
/// <summary>
|
|
/// Describes a render pass with all its state info.
|
|
/// </summary>
|
|
struct pass
|
|
{
|
|
std::string name;
|
|
std::string render_target_names[8] = {};
|
|
std::string vs_entry_point;
|
|
std::string ps_entry_point;
|
|
std::string cs_entry_point;
|
|
bool generate_mipmaps = true;
|
|
bool clear_render_targets = false;
|
|
bool blend_enable[8] = { false, false, false, false, false, false, false, false };
|
|
blend_factor source_color_blend_factor[8] = { blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one };
|
|
blend_factor dest_color_blend_factor[8] = { blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero };
|
|
blend_op color_blend_op[8] = { blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add };
|
|
blend_factor source_alpha_blend_factor[8] = { blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one, blend_factor::one };
|
|
blend_factor dest_alpha_blend_factor[8] = { blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero, blend_factor::zero };
|
|
blend_op alpha_blend_op[8] = { blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add, blend_op::add };
|
|
bool srgb_write_enable = false;
|
|
uint8_t render_target_write_mask[8] = { 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF, 0xF };
|
|
bool stencil_enable = false;
|
|
uint8_t stencil_read_mask = 0xFF;
|
|
uint8_t stencil_write_mask = 0xFF;
|
|
stencil_func stencil_comparison_func = stencil_func::always;
|
|
stencil_op stencil_pass_op = stencil_op::keep;
|
|
stencil_op stencil_fail_op = stencil_op::keep;
|
|
stencil_op stencil_depth_fail_op = stencil_op::keep;
|
|
primitive_topology topology = primitive_topology::triangle_list;
|
|
uint32_t stencil_reference_value = 0;
|
|
uint32_t num_vertices = 3;
|
|
uint32_t viewport_width = 0;
|
|
uint32_t viewport_height = 0;
|
|
uint32_t viewport_dispatch_z = 1;
|
|
|
|
// Bindings specific for the code generation target (in case of combined texture and sampler, 'texture_bindings' and 'sampler_bindings' will be the same size and point to the same bindings, otherwise they are independent)
|
|
std::vector<texture_binding> texture_bindings;
|
|
std::vector<sampler_binding> sampler_bindings;
|
|
std::vector<storage_binding> storage_bindings;
|
|
};
|
|
|
|
/// <summary>
|
|
/// A collection of passes that make up an effect.
|
|
/// </summary>
|
|
struct technique
|
|
{
|
|
std::string name;
|
|
std::vector<pass> passes;
|
|
std::vector<annotation> annotations;
|
|
};
|
|
|
|
/// <summary>
|
|
/// In-memory representation of an effect file.
|
|
/// </summary>
|
|
struct effect_module
|
|
{
|
|
std::vector<std::pair<std::string, shader_type>> entry_points;
|
|
|
|
std::vector<texture> textures;
|
|
std::vector<sampler> samplers;
|
|
std::vector<storage> storages;
|
|
|
|
std::vector<uniform> uniforms;
|
|
std::vector<uniform> spec_constants;
|
|
std::vector<technique> techniques;
|
|
|
|
uint32_t total_uniform_size = 0;
|
|
uint32_t num_texture_bindings = 0;
|
|
uint32_t num_sampler_bindings = 0;
|
|
uint32_t num_storage_bindings = 0;
|
|
};
|
|
}
|