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/**************************************************************************/
/* rendering_device_commons.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
# ifndef RENDERING_DEVICE_COMMONS_H
# define RENDERING_DEVICE_COMMONS_H
# include "core/object/object.h"
# include "core/variant/type_info.h"
# define STEPIFY(m_number, m_alignment) ((((m_number) + ((m_alignment)-1)) / (m_alignment)) * (m_alignment))
class RenderingDeviceCommons : public Object {
////////////////////////////////////////////
// PUBLIC STUFF
// Exposed by RenderingDevice, and shared
// with RenderingDeviceDriver.
////////////////////////////////////////////
public :
/*****************/
/**** GENERIC ****/
/*****************/
static const int INVALID_ID = - 1 ;
enum DataFormat {
DATA_FORMAT_R4G4_UNORM_PACK8 ,
DATA_FORMAT_R4G4B4A4_UNORM_PACK16 ,
DATA_FORMAT_B4G4R4A4_UNORM_PACK16 ,
DATA_FORMAT_R5G6B5_UNORM_PACK16 ,
DATA_FORMAT_B5G6R5_UNORM_PACK16 ,
DATA_FORMAT_R5G5B5A1_UNORM_PACK16 ,
DATA_FORMAT_B5G5R5A1_UNORM_PACK16 ,
DATA_FORMAT_A1R5G5B5_UNORM_PACK16 ,
DATA_FORMAT_R8_UNORM ,
DATA_FORMAT_R8_SNORM ,
DATA_FORMAT_R8_USCALED ,
DATA_FORMAT_R8_SSCALED ,
DATA_FORMAT_R8_UINT ,
DATA_FORMAT_R8_SINT ,
DATA_FORMAT_R8_SRGB ,
DATA_FORMAT_R8G8_UNORM ,
DATA_FORMAT_R8G8_SNORM ,
DATA_FORMAT_R8G8_USCALED ,
DATA_FORMAT_R8G8_SSCALED ,
DATA_FORMAT_R8G8_UINT ,
DATA_FORMAT_R8G8_SINT ,
DATA_FORMAT_R8G8_SRGB ,
DATA_FORMAT_R8G8B8_UNORM ,
DATA_FORMAT_R8G8B8_SNORM ,
DATA_FORMAT_R8G8B8_USCALED ,
DATA_FORMAT_R8G8B8_SSCALED ,
DATA_FORMAT_R8G8B8_UINT ,
DATA_FORMAT_R8G8B8_SINT ,
DATA_FORMAT_R8G8B8_SRGB ,
DATA_FORMAT_B8G8R8_UNORM ,
DATA_FORMAT_B8G8R8_SNORM ,
DATA_FORMAT_B8G8R8_USCALED ,
DATA_FORMAT_B8G8R8_SSCALED ,
DATA_FORMAT_B8G8R8_UINT ,
DATA_FORMAT_B8G8R8_SINT ,
DATA_FORMAT_B8G8R8_SRGB ,
DATA_FORMAT_R8G8B8A8_UNORM ,
DATA_FORMAT_R8G8B8A8_SNORM ,
DATA_FORMAT_R8G8B8A8_USCALED ,
DATA_FORMAT_R8G8B8A8_SSCALED ,
DATA_FORMAT_R8G8B8A8_UINT ,
DATA_FORMAT_R8G8B8A8_SINT ,
DATA_FORMAT_R8G8B8A8_SRGB ,
DATA_FORMAT_B8G8R8A8_UNORM ,
DATA_FORMAT_B8G8R8A8_SNORM ,
DATA_FORMAT_B8G8R8A8_USCALED ,
DATA_FORMAT_B8G8R8A8_SSCALED ,
DATA_FORMAT_B8G8R8A8_UINT ,
DATA_FORMAT_B8G8R8A8_SINT ,
DATA_FORMAT_B8G8R8A8_SRGB ,
DATA_FORMAT_A8B8G8R8_UNORM_PACK32 ,
DATA_FORMAT_A8B8G8R8_SNORM_PACK32 ,
DATA_FORMAT_A8B8G8R8_USCALED_PACK32 ,
DATA_FORMAT_A8B8G8R8_SSCALED_PACK32 ,
DATA_FORMAT_A8B8G8R8_UINT_PACK32 ,
DATA_FORMAT_A8B8G8R8_SINT_PACK32 ,
DATA_FORMAT_A8B8G8R8_SRGB_PACK32 ,
DATA_FORMAT_A2R10G10B10_UNORM_PACK32 ,
DATA_FORMAT_A2R10G10B10_SNORM_PACK32 ,
DATA_FORMAT_A2R10G10B10_USCALED_PACK32 ,
DATA_FORMAT_A2R10G10B10_SSCALED_PACK32 ,
DATA_FORMAT_A2R10G10B10_UINT_PACK32 ,
DATA_FORMAT_A2R10G10B10_SINT_PACK32 ,
DATA_FORMAT_A2B10G10R10_UNORM_PACK32 ,
DATA_FORMAT_A2B10G10R10_SNORM_PACK32 ,
DATA_FORMAT_A2B10G10R10_USCALED_PACK32 ,
DATA_FORMAT_A2B10G10R10_SSCALED_PACK32 ,
DATA_FORMAT_A2B10G10R10_UINT_PACK32 ,
DATA_FORMAT_A2B10G10R10_SINT_PACK32 ,
DATA_FORMAT_R16_UNORM ,
DATA_FORMAT_R16_SNORM ,
DATA_FORMAT_R16_USCALED ,
DATA_FORMAT_R16_SSCALED ,
DATA_FORMAT_R16_UINT ,
DATA_FORMAT_R16_SINT ,
DATA_FORMAT_R16_SFLOAT ,
DATA_FORMAT_R16G16_UNORM ,
DATA_FORMAT_R16G16_SNORM ,
DATA_FORMAT_R16G16_USCALED ,
DATA_FORMAT_R16G16_SSCALED ,
DATA_FORMAT_R16G16_UINT ,
DATA_FORMAT_R16G16_SINT ,
DATA_FORMAT_R16G16_SFLOAT ,
DATA_FORMAT_R16G16B16_UNORM ,
DATA_FORMAT_R16G16B16_SNORM ,
DATA_FORMAT_R16G16B16_USCALED ,
DATA_FORMAT_R16G16B16_SSCALED ,
DATA_FORMAT_R16G16B16_UINT ,
DATA_FORMAT_R16G16B16_SINT ,
DATA_FORMAT_R16G16B16_SFLOAT ,
DATA_FORMAT_R16G16B16A16_UNORM ,
DATA_FORMAT_R16G16B16A16_SNORM ,
DATA_FORMAT_R16G16B16A16_USCALED ,
DATA_FORMAT_R16G16B16A16_SSCALED ,
DATA_FORMAT_R16G16B16A16_UINT ,
DATA_FORMAT_R16G16B16A16_SINT ,
DATA_FORMAT_R16G16B16A16_SFLOAT ,
DATA_FORMAT_R32_UINT ,
DATA_FORMAT_R32_SINT ,
DATA_FORMAT_R32_SFLOAT ,
DATA_FORMAT_R32G32_UINT ,
DATA_FORMAT_R32G32_SINT ,
DATA_FORMAT_R32G32_SFLOAT ,
DATA_FORMAT_R32G32B32_UINT ,
DATA_FORMAT_R32G32B32_SINT ,
DATA_FORMAT_R32G32B32_SFLOAT ,
DATA_FORMAT_R32G32B32A32_UINT ,
DATA_FORMAT_R32G32B32A32_SINT ,
DATA_FORMAT_R32G32B32A32_SFLOAT ,
DATA_FORMAT_R64_UINT ,
DATA_FORMAT_R64_SINT ,
DATA_FORMAT_R64_SFLOAT ,
DATA_FORMAT_R64G64_UINT ,
DATA_FORMAT_R64G64_SINT ,
DATA_FORMAT_R64G64_SFLOAT ,
DATA_FORMAT_R64G64B64_UINT ,
DATA_FORMAT_R64G64B64_SINT ,
DATA_FORMAT_R64G64B64_SFLOAT ,
DATA_FORMAT_R64G64B64A64_UINT ,
DATA_FORMAT_R64G64B64A64_SINT ,
DATA_FORMAT_R64G64B64A64_SFLOAT ,
DATA_FORMAT_B10G11R11_UFLOAT_PACK32 ,
DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32 ,
DATA_FORMAT_D16_UNORM ,
DATA_FORMAT_X8_D24_UNORM_PACK32 ,
DATA_FORMAT_D32_SFLOAT ,
DATA_FORMAT_S8_UINT ,
DATA_FORMAT_D16_UNORM_S8_UINT ,
DATA_FORMAT_D24_UNORM_S8_UINT ,
DATA_FORMAT_D32_SFLOAT_S8_UINT ,
DATA_FORMAT_BC1_RGB_UNORM_BLOCK ,
DATA_FORMAT_BC1_RGB_SRGB_BLOCK ,
DATA_FORMAT_BC1_RGBA_UNORM_BLOCK ,
DATA_FORMAT_BC1_RGBA_SRGB_BLOCK ,
DATA_FORMAT_BC2_UNORM_BLOCK ,
DATA_FORMAT_BC2_SRGB_BLOCK ,
DATA_FORMAT_BC3_UNORM_BLOCK ,
DATA_FORMAT_BC3_SRGB_BLOCK ,
DATA_FORMAT_BC4_UNORM_BLOCK ,
DATA_FORMAT_BC4_SNORM_BLOCK ,
DATA_FORMAT_BC5_UNORM_BLOCK ,
DATA_FORMAT_BC5_SNORM_BLOCK ,
DATA_FORMAT_BC6H_UFLOAT_BLOCK ,
DATA_FORMAT_BC6H_SFLOAT_BLOCK ,
DATA_FORMAT_BC7_UNORM_BLOCK ,
DATA_FORMAT_BC7_SRGB_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK ,
DATA_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK ,
DATA_FORMAT_EAC_R11_UNORM_BLOCK ,
DATA_FORMAT_EAC_R11_SNORM_BLOCK ,
DATA_FORMAT_EAC_R11G11_UNORM_BLOCK ,
DATA_FORMAT_EAC_R11G11_SNORM_BLOCK ,
DATA_FORMAT_ASTC_4x4_UNORM_BLOCK ,
DATA_FORMAT_ASTC_4x4_SRGB_BLOCK ,
DATA_FORMAT_ASTC_5x4_UNORM_BLOCK ,
DATA_FORMAT_ASTC_5x4_SRGB_BLOCK ,
DATA_FORMAT_ASTC_5x5_UNORM_BLOCK ,
DATA_FORMAT_ASTC_5x5_SRGB_BLOCK ,
DATA_FORMAT_ASTC_6x5_UNORM_BLOCK ,
DATA_FORMAT_ASTC_6x5_SRGB_BLOCK ,
DATA_FORMAT_ASTC_6x6_UNORM_BLOCK ,
DATA_FORMAT_ASTC_6x6_SRGB_BLOCK ,
DATA_FORMAT_ASTC_8x5_UNORM_BLOCK ,
DATA_FORMAT_ASTC_8x5_SRGB_BLOCK ,
DATA_FORMAT_ASTC_8x6_UNORM_BLOCK ,
DATA_FORMAT_ASTC_8x6_SRGB_BLOCK ,
DATA_FORMAT_ASTC_8x8_UNORM_BLOCK ,
DATA_FORMAT_ASTC_8x8_SRGB_BLOCK ,
DATA_FORMAT_ASTC_10x5_UNORM_BLOCK ,
DATA_FORMAT_ASTC_10x5_SRGB_BLOCK ,
DATA_FORMAT_ASTC_10x6_UNORM_BLOCK ,
DATA_FORMAT_ASTC_10x6_SRGB_BLOCK ,
DATA_FORMAT_ASTC_10x8_UNORM_BLOCK ,
DATA_FORMAT_ASTC_10x8_SRGB_BLOCK ,
DATA_FORMAT_ASTC_10x10_UNORM_BLOCK ,
DATA_FORMAT_ASTC_10x10_SRGB_BLOCK ,
DATA_FORMAT_ASTC_12x10_UNORM_BLOCK ,
DATA_FORMAT_ASTC_12x10_SRGB_BLOCK ,
DATA_FORMAT_ASTC_12x12_UNORM_BLOCK ,
DATA_FORMAT_ASTC_12x12_SRGB_BLOCK ,
DATA_FORMAT_G8B8G8R8_422_UNORM ,
DATA_FORMAT_B8G8R8G8_422_UNORM ,
DATA_FORMAT_G8_B8_R8_3PLANE_420_UNORM ,
DATA_FORMAT_G8_B8R8_2PLANE_420_UNORM ,
DATA_FORMAT_G8_B8_R8_3PLANE_422_UNORM ,
DATA_FORMAT_G8_B8R8_2PLANE_422_UNORM ,
DATA_FORMAT_G8_B8_R8_3PLANE_444_UNORM ,
DATA_FORMAT_R10X6_UNORM_PACK16 ,
DATA_FORMAT_R10X6G10X6_UNORM_2PACK16 ,
DATA_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16 ,
DATA_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16 ,
DATA_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16 ,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16 ,
DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16 ,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16 ,
DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16 ,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16 ,
DATA_FORMAT_R12X4_UNORM_PACK16 ,
DATA_FORMAT_R12X4G12X4_UNORM_2PACK16 ,
DATA_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16 ,
DATA_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16 ,
DATA_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16 ,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16 ,
DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16 ,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16 ,
DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16 ,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16 ,
DATA_FORMAT_G16B16G16R16_422_UNORM ,
DATA_FORMAT_B16G16R16G16_422_UNORM ,
DATA_FORMAT_G16_B16_R16_3PLANE_420_UNORM ,
DATA_FORMAT_G16_B16R16_2PLANE_420_UNORM ,
DATA_FORMAT_G16_B16_R16_3PLANE_422_UNORM ,
DATA_FORMAT_G16_B16R16_2PLANE_422_UNORM ,
DATA_FORMAT_G16_B16_R16_3PLANE_444_UNORM ,
DATA_FORMAT_MAX ,
} ;
enum CompareOperator {
COMPARE_OP_NEVER ,
COMPARE_OP_LESS ,
COMPARE_OP_EQUAL ,
COMPARE_OP_LESS_OR_EQUAL ,
COMPARE_OP_GREATER ,
COMPARE_OP_NOT_EQUAL ,
COMPARE_OP_GREATER_OR_EQUAL ,
COMPARE_OP_ALWAYS ,
COMPARE_OP_MAX
} ;
/*****************/
/**** TEXTURE ****/
/*****************/
enum TextureType {
TEXTURE_TYPE_1D ,
TEXTURE_TYPE_2D ,
TEXTURE_TYPE_3D ,
TEXTURE_TYPE_CUBE ,
TEXTURE_TYPE_1D_ARRAY ,
TEXTURE_TYPE_2D_ARRAY ,
TEXTURE_TYPE_CUBE_ARRAY ,
TEXTURE_TYPE_MAX ,
} ;
enum TextureSamples {
TEXTURE_SAMPLES_1 ,
TEXTURE_SAMPLES_2 ,
TEXTURE_SAMPLES_4 ,
TEXTURE_SAMPLES_8 ,
TEXTURE_SAMPLES_16 ,
TEXTURE_SAMPLES_32 ,
TEXTURE_SAMPLES_64 ,
TEXTURE_SAMPLES_MAX ,
} ;
enum TextureUsageBits {
TEXTURE_USAGE_SAMPLING_BIT = ( 1 < < 0 ) ,
TEXTURE_USAGE_COLOR_ATTACHMENT_BIT = ( 1 < < 1 ) ,
TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT = ( 1 < < 2 ) ,
TEXTURE_USAGE_STORAGE_BIT = ( 1 < < 3 ) ,
TEXTURE_USAGE_STORAGE_ATOMIC_BIT = ( 1 < < 4 ) ,
TEXTURE_USAGE_CPU_READ_BIT = ( 1 < < 5 ) ,
TEXTURE_USAGE_CAN_UPDATE_BIT = ( 1 < < 6 ) ,
TEXTURE_USAGE_CAN_COPY_FROM_BIT = ( 1 < < 7 ) ,
TEXTURE_USAGE_CAN_COPY_TO_BIT = ( 1 < < 8 ) ,
TEXTURE_USAGE_INPUT_ATTACHMENT_BIT = ( 1 < < 9 ) ,
TEXTURE_USAGE_VRS_ATTACHMENT_BIT = ( 1 < < 10 ) ,
} ;
struct TextureFormat {
DataFormat format = DATA_FORMAT_R8_UNORM ;
uint32_t width = 1 ;
uint32_t height = 1 ;
uint32_t depth = 1 ;
uint32_t array_layers = 1 ;
uint32_t mipmaps = 1 ;
TextureType texture_type = TEXTURE_TYPE_2D ;
TextureSamples samples = TEXTURE_SAMPLES_1 ;
uint32_t usage_bits = 0 ;
Vector < DataFormat > shareable_formats ;
bool is_resolve_buffer = false ;
bool operator = = ( const TextureFormat & b ) const {
if ( format ! = b . format ) {
return false ;
} else if ( width ! = b . width ) {
return false ;
} else if ( height ! = b . height ) {
return false ;
} else if ( depth ! = b . depth ) {
return false ;
} else if ( array_layers ! = b . array_layers ) {
return false ;
} else if ( mipmaps ! = b . mipmaps ) {
return false ;
} else if ( texture_type ! = b . texture_type ) {
return false ;
} else if ( samples ! = b . samples ) {
return false ;
} else if ( usage_bits ! = b . usage_bits ) {
return false ;
} else if ( shareable_formats ! = b . shareable_formats ) {
return false ;
} else {
return true ;
}
}
} ;
enum TextureSwizzle {
TEXTURE_SWIZZLE_IDENTITY ,
TEXTURE_SWIZZLE_ZERO ,
TEXTURE_SWIZZLE_ONE ,
TEXTURE_SWIZZLE_R ,
TEXTURE_SWIZZLE_G ,
TEXTURE_SWIZZLE_B ,
TEXTURE_SWIZZLE_A ,
TEXTURE_SWIZZLE_MAX
} ;
enum TextureSliceType {
TEXTURE_SLICE_2D ,
TEXTURE_SLICE_CUBEMAP ,
TEXTURE_SLICE_3D ,
TEXTURE_SLICE_2D_ARRAY ,
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TEXTURE_SLICE_MAX
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} ;
/*****************/
/**** SAMPLER ****/
/*****************/
enum SamplerFilter {
SAMPLER_FILTER_NEAREST ,
SAMPLER_FILTER_LINEAR ,
} ;
enum SamplerRepeatMode {
SAMPLER_REPEAT_MODE_REPEAT ,
SAMPLER_REPEAT_MODE_MIRRORED_REPEAT ,
SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE ,
SAMPLER_REPEAT_MODE_CLAMP_TO_BORDER ,
SAMPLER_REPEAT_MODE_MIRROR_CLAMP_TO_EDGE ,
SAMPLER_REPEAT_MODE_MAX
} ;
enum SamplerBorderColor {
SAMPLER_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK ,
SAMPLER_BORDER_COLOR_INT_TRANSPARENT_BLACK ,
SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_BLACK ,
SAMPLER_BORDER_COLOR_INT_OPAQUE_BLACK ,
SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_WHITE ,
SAMPLER_BORDER_COLOR_INT_OPAQUE_WHITE ,
SAMPLER_BORDER_COLOR_MAX
} ;
struct SamplerState {
SamplerFilter mag_filter = SAMPLER_FILTER_NEAREST ;
SamplerFilter min_filter = SAMPLER_FILTER_NEAREST ;
SamplerFilter mip_filter = SAMPLER_FILTER_NEAREST ;
SamplerRepeatMode repeat_u = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE ;
SamplerRepeatMode repeat_v = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE ;
SamplerRepeatMode repeat_w = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE ;
float lod_bias = 0.0f ;
bool use_anisotropy = false ;
float anisotropy_max = 1.0f ;
bool enable_compare = false ;
CompareOperator compare_op = COMPARE_OP_ALWAYS ;
float min_lod = 0.0f ;
float max_lod = 1e20 ; // Something very large should do.
SamplerBorderColor border_color = SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_BLACK ;
bool unnormalized_uvw = false ;
} ;
/**********************/
/**** VERTEX ARRAY ****/
/**********************/
enum IndexBufferFormat {
INDEX_BUFFER_FORMAT_UINT16 ,
INDEX_BUFFER_FORMAT_UINT32 ,
} ;
enum VertexFrequency {
VERTEX_FREQUENCY_VERTEX ,
VERTEX_FREQUENCY_INSTANCE ,
} ;
struct VertexAttribute {
uint32_t location = 0 ; // Shader location.
uint32_t offset = 0 ;
DataFormat format = DATA_FORMAT_MAX ;
uint32_t stride = 0 ;
VertexFrequency frequency = VERTEX_FREQUENCY_VERTEX ;
} ;
/*********************/
/**** FRAMEBUFFER ****/
/*********************/
static const int32_t ATTACHMENT_UNUSED = - 1 ;
/****************/
/**** SHADER ****/
/****************/
enum ShaderStage {
SHADER_STAGE_VERTEX ,
SHADER_STAGE_FRAGMENT ,
SHADER_STAGE_TESSELATION_CONTROL ,
SHADER_STAGE_TESSELATION_EVALUATION ,
SHADER_STAGE_COMPUTE ,
SHADER_STAGE_MAX ,
SHADER_STAGE_VERTEX_BIT = ( 1 < < SHADER_STAGE_VERTEX ) ,
SHADER_STAGE_FRAGMENT_BIT = ( 1 < < SHADER_STAGE_FRAGMENT ) ,
SHADER_STAGE_TESSELATION_CONTROL_BIT = ( 1 < < SHADER_STAGE_TESSELATION_CONTROL ) ,
SHADER_STAGE_TESSELATION_EVALUATION_BIT = ( 1 < < SHADER_STAGE_TESSELATION_EVALUATION ) ,
SHADER_STAGE_COMPUTE_BIT = ( 1 < < SHADER_STAGE_COMPUTE ) ,
} ;
struct ShaderStageSPIRVData {
ShaderStage shader_stage = SHADER_STAGE_MAX ;
Vector < uint8_t > spirv ;
} ;
/*********************/
/**** UNIFORM SET ****/
/*********************/
static const uint32_t MAX_UNIFORM_SETS = 16 ;
enum UniformType {
UNIFORM_TYPE_SAMPLER , // For sampling only (sampler GLSL type).
UNIFORM_TYPE_SAMPLER_WITH_TEXTURE , // For sampling only, but includes a texture, (samplerXX GLSL type), first a sampler then a texture.
UNIFORM_TYPE_TEXTURE , // Only texture, (textureXX GLSL type).
UNIFORM_TYPE_IMAGE , // Storage image (imageXX GLSL type), for compute mostly.
UNIFORM_TYPE_TEXTURE_BUFFER , // Buffer texture (or TBO, textureBuffer type).
UNIFORM_TYPE_SAMPLER_WITH_TEXTURE_BUFFER , // Buffer texture with a sampler(or TBO, samplerBuffer type).
UNIFORM_TYPE_IMAGE_BUFFER , // Texel buffer, (imageBuffer type), for compute mostly.
UNIFORM_TYPE_UNIFORM_BUFFER , // Regular uniform buffer (or UBO).
UNIFORM_TYPE_STORAGE_BUFFER , // Storage buffer ("buffer" qualifier) like UBO, but supports storage, for compute mostly.
UNIFORM_TYPE_INPUT_ATTACHMENT , // Used for sub-pass read/write, for mobile mostly.
UNIFORM_TYPE_MAX
} ;
/******************/
/**** PIPELINE ****/
/******************/
enum PipelineSpecializationConstantType {
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL ,
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_INT ,
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_FLOAT ,
} ;
struct PipelineSpecializationConstant {
PipelineSpecializationConstantType type = { } ;
uint32_t constant_id = 0xffffffff ;
union {
uint32_t int_value = 0 ;
float float_value ;
bool bool_value ;
} ;
} ;
/*******************/
/**** RENDERING ****/
/*******************/
// ----- PIPELINE -----
enum RenderPrimitive {
RENDER_PRIMITIVE_POINTS ,
RENDER_PRIMITIVE_LINES ,
RENDER_PRIMITIVE_LINES_WITH_ADJACENCY ,
RENDER_PRIMITIVE_LINESTRIPS ,
RENDER_PRIMITIVE_LINESTRIPS_WITH_ADJACENCY ,
RENDER_PRIMITIVE_TRIANGLES ,
RENDER_PRIMITIVE_TRIANGLES_WITH_ADJACENCY ,
RENDER_PRIMITIVE_TRIANGLE_STRIPS ,
RENDER_PRIMITIVE_TRIANGLE_STRIPS_WITH_AJACENCY ,
RENDER_PRIMITIVE_TRIANGLE_STRIPS_WITH_RESTART_INDEX ,
RENDER_PRIMITIVE_TESSELATION_PATCH ,
RENDER_PRIMITIVE_MAX
} ;
enum PolygonCullMode {
POLYGON_CULL_DISABLED ,
POLYGON_CULL_FRONT ,
POLYGON_CULL_BACK ,
POLYGON_CULL_MAX
} ;
enum PolygonFrontFace {
POLYGON_FRONT_FACE_CLOCKWISE ,
POLYGON_FRONT_FACE_COUNTER_CLOCKWISE ,
} ;
enum StencilOperation {
STENCIL_OP_KEEP ,
STENCIL_OP_ZERO ,
STENCIL_OP_REPLACE ,
STENCIL_OP_INCREMENT_AND_CLAMP ,
STENCIL_OP_DECREMENT_AND_CLAMP ,
STENCIL_OP_INVERT ,
STENCIL_OP_INCREMENT_AND_WRAP ,
STENCIL_OP_DECREMENT_AND_WRAP ,
STENCIL_OP_MAX
} ;
enum LogicOperation {
LOGIC_OP_CLEAR ,
LOGIC_OP_AND ,
LOGIC_OP_AND_REVERSE ,
LOGIC_OP_COPY ,
LOGIC_OP_AND_INVERTED ,
LOGIC_OP_NO_OP ,
LOGIC_OP_XOR ,
LOGIC_OP_OR ,
LOGIC_OP_NOR ,
LOGIC_OP_EQUIVALENT ,
LOGIC_OP_INVERT ,
LOGIC_OP_OR_REVERSE ,
LOGIC_OP_COPY_INVERTED ,
LOGIC_OP_OR_INVERTED ,
LOGIC_OP_NAND ,
LOGIC_OP_SET ,
LOGIC_OP_MAX
} ;
enum BlendFactor {
BLEND_FACTOR_ZERO ,
BLEND_FACTOR_ONE ,
BLEND_FACTOR_SRC_COLOR ,
BLEND_FACTOR_ONE_MINUS_SRC_COLOR ,
BLEND_FACTOR_DST_COLOR ,
BLEND_FACTOR_ONE_MINUS_DST_COLOR ,
BLEND_FACTOR_SRC_ALPHA ,
BLEND_FACTOR_ONE_MINUS_SRC_ALPHA ,
BLEND_FACTOR_DST_ALPHA ,
BLEND_FACTOR_ONE_MINUS_DST_ALPHA ,
BLEND_FACTOR_CONSTANT_COLOR ,
BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR ,
BLEND_FACTOR_CONSTANT_ALPHA ,
BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA ,
BLEND_FACTOR_SRC_ALPHA_SATURATE ,
BLEND_FACTOR_SRC1_COLOR ,
BLEND_FACTOR_ONE_MINUS_SRC1_COLOR ,
BLEND_FACTOR_SRC1_ALPHA ,
BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA ,
BLEND_FACTOR_MAX
} ;
enum BlendOperation {
BLEND_OP_ADD ,
BLEND_OP_SUBTRACT ,
BLEND_OP_REVERSE_SUBTRACT ,
BLEND_OP_MINIMUM ,
BLEND_OP_MAXIMUM , // Yes, this one is an actual operator.
BLEND_OP_MAX
} ;
struct PipelineRasterizationState {
bool enable_depth_clamp = false ;
bool discard_primitives = false ;
bool wireframe = false ;
PolygonCullMode cull_mode = POLYGON_CULL_DISABLED ;
PolygonFrontFace front_face = POLYGON_FRONT_FACE_CLOCKWISE ;
bool depth_bias_enabled = false ;
float depth_bias_constant_factor = 0.0f ;
float depth_bias_clamp = 0.0f ;
float depth_bias_slope_factor = 0.0f ;
float line_width = 1.0f ;
uint32_t patch_control_points = 1 ;
} ;
struct PipelineMultisampleState {
TextureSamples sample_count = TEXTURE_SAMPLES_1 ;
bool enable_sample_shading = false ;
float min_sample_shading = 0.0f ;
Vector < uint32_t > sample_mask ;
bool enable_alpha_to_coverage = false ;
bool enable_alpha_to_one = false ;
} ;
struct PipelineDepthStencilState {
bool enable_depth_test = false ;
bool enable_depth_write = false ;
CompareOperator depth_compare_operator = COMPARE_OP_ALWAYS ;
bool enable_depth_range = false ;
float depth_range_min = 0 ;
float depth_range_max = 0 ;
bool enable_stencil = false ;
struct StencilOperationState {
StencilOperation fail = STENCIL_OP_ZERO ;
StencilOperation pass = STENCIL_OP_ZERO ;
StencilOperation depth_fail = STENCIL_OP_ZERO ;
CompareOperator compare = COMPARE_OP_ALWAYS ;
uint32_t compare_mask = 0 ;
uint32_t write_mask = 0 ;
uint32_t reference = 0 ;
} ;
StencilOperationState front_op ;
StencilOperationState back_op ;
} ;
struct PipelineColorBlendState {
bool enable_logic_op = false ;
LogicOperation logic_op = LOGIC_OP_CLEAR ;
struct Attachment {
bool enable_blend = false ;
BlendFactor src_color_blend_factor = BLEND_FACTOR_ZERO ;
BlendFactor dst_color_blend_factor = BLEND_FACTOR_ZERO ;
BlendOperation color_blend_op = BLEND_OP_ADD ;
BlendFactor src_alpha_blend_factor = BLEND_FACTOR_ZERO ;
BlendFactor dst_alpha_blend_factor = BLEND_FACTOR_ZERO ;
BlendOperation alpha_blend_op = BLEND_OP_ADD ;
bool write_r = true ;
bool write_g = true ;
bool write_b = true ;
bool write_a = true ;
} ;
static PipelineColorBlendState create_disabled ( int p_attachments = 1 ) {
PipelineColorBlendState bs ;
for ( int i = 0 ; i < p_attachments ; i + + ) {
bs . attachments . push_back ( Attachment ( ) ) ;
}
return bs ;
}
static PipelineColorBlendState create_blend ( int p_attachments = 1 ) {
PipelineColorBlendState bs ;
for ( int i = 0 ; i < p_attachments ; i + + ) {
Attachment ba ;
ba . enable_blend = true ;
ba . src_color_blend_factor = BLEND_FACTOR_SRC_ALPHA ;
ba . dst_color_blend_factor = BLEND_FACTOR_ONE_MINUS_SRC_ALPHA ;
ba . src_alpha_blend_factor = BLEND_FACTOR_SRC_ALPHA ;
ba . dst_alpha_blend_factor = BLEND_FACTOR_ONE_MINUS_SRC_ALPHA ;
bs . attachments . push_back ( ba ) ;
}
return bs ;
}
Vector < Attachment > attachments ; // One per render target texture.
Color blend_constant ;
} ;
enum PipelineDynamicStateFlags {
DYNAMIC_STATE_LINE_WIDTH = ( 1 < < 0 ) ,
DYNAMIC_STATE_DEPTH_BIAS = ( 1 < < 1 ) ,
DYNAMIC_STATE_BLEND_CONSTANTS = ( 1 < < 2 ) ,
DYNAMIC_STATE_DEPTH_BOUNDS = ( 1 < < 3 ) ,
DYNAMIC_STATE_STENCIL_COMPARE_MASK = ( 1 < < 4 ) ,
DYNAMIC_STATE_STENCIL_WRITE_MASK = ( 1 < < 5 ) ,
DYNAMIC_STATE_STENCIL_REFERENCE = ( 1 < < 6 ) ,
} ;
/**************/
/**** MISC ****/
/**************/
// This enum matches VkPhysicalDeviceType (except for `DEVICE_TYPE_MAX`).
// Unlike VkPhysicalDeviceType, DeviceType is exposed to the scripting API.
enum DeviceType {
DEVICE_TYPE_OTHER ,
DEVICE_TYPE_INTEGRATED_GPU ,
DEVICE_TYPE_DISCRETE_GPU ,
DEVICE_TYPE_VIRTUAL_GPU ,
DEVICE_TYPE_CPU ,
DEVICE_TYPE_MAX
} ;
// Defined in an API-agnostic way.
// Some may not make sense for the underlying API; in that case, 0 is returned.
enum DriverResource {
DRIVER_RESOURCE_LOGICAL_DEVICE ,
DRIVER_RESOURCE_PHYSICAL_DEVICE ,
DRIVER_RESOURCE_TOPMOST_OBJECT ,
DRIVER_RESOURCE_COMMAND_QUEUE ,
DRIVER_RESOURCE_QUEUE_FAMILY ,
DRIVER_RESOURCE_TEXTURE ,
DRIVER_RESOURCE_TEXTURE_VIEW ,
DRIVER_RESOURCE_TEXTURE_DATA_FORMAT ,
DRIVER_RESOURCE_SAMPLER ,
DRIVER_RESOURCE_UNIFORM_SET ,
DRIVER_RESOURCE_BUFFER ,
DRIVER_RESOURCE_COMPUTE_PIPELINE ,
DRIVER_RESOURCE_RENDER_PIPELINE ,
# ifndef DISABLE_DEPRECATED
DRIVER_RESOURCE_VULKAN_DEVICE = DRIVER_RESOURCE_LOGICAL_DEVICE ,
DRIVER_RESOURCE_VULKAN_PHYSICAL_DEVICE = DRIVER_RESOURCE_PHYSICAL_DEVICE ,
DRIVER_RESOURCE_VULKAN_INSTANCE = DRIVER_RESOURCE_TOPMOST_OBJECT ,
DRIVER_RESOURCE_VULKAN_QUEUE = DRIVER_RESOURCE_COMMAND_QUEUE ,
DRIVER_RESOURCE_VULKAN_QUEUE_FAMILY_INDEX = DRIVER_RESOURCE_QUEUE_FAMILY ,
DRIVER_RESOURCE_VULKAN_IMAGE = DRIVER_RESOURCE_TEXTURE ,
DRIVER_RESOURCE_VULKAN_IMAGE_VIEW = DRIVER_RESOURCE_TEXTURE_VIEW ,
DRIVER_RESOURCE_VULKAN_IMAGE_NATIVE_TEXTURE_FORMAT = DRIVER_RESOURCE_TEXTURE_DATA_FORMAT ,
DRIVER_RESOURCE_VULKAN_SAMPLER = DRIVER_RESOURCE_SAMPLER ,
DRIVER_RESOURCE_VULKAN_DESCRIPTOR_SET = DRIVER_RESOURCE_UNIFORM_SET ,
DRIVER_RESOURCE_VULKAN_BUFFER = DRIVER_RESOURCE_BUFFER ,
DRIVER_RESOURCE_VULKAN_COMPUTE_PIPELINE = DRIVER_RESOURCE_COMPUTE_PIPELINE ,
DRIVER_RESOURCE_VULKAN_RENDER_PIPELINE = DRIVER_RESOURCE_RENDER_PIPELINE ,
# endif
} ;
enum Limit {
LIMIT_MAX_BOUND_UNIFORM_SETS ,
LIMIT_MAX_FRAMEBUFFER_COLOR_ATTACHMENTS ,
LIMIT_MAX_TEXTURES_PER_UNIFORM_SET ,
LIMIT_MAX_SAMPLERS_PER_UNIFORM_SET ,
LIMIT_MAX_STORAGE_BUFFERS_PER_UNIFORM_SET ,
LIMIT_MAX_STORAGE_IMAGES_PER_UNIFORM_SET ,
LIMIT_MAX_UNIFORM_BUFFERS_PER_UNIFORM_SET ,
LIMIT_MAX_DRAW_INDEXED_INDEX ,
LIMIT_MAX_FRAMEBUFFER_HEIGHT ,
LIMIT_MAX_FRAMEBUFFER_WIDTH ,
LIMIT_MAX_TEXTURE_ARRAY_LAYERS ,
LIMIT_MAX_TEXTURE_SIZE_1D ,
LIMIT_MAX_TEXTURE_SIZE_2D ,
LIMIT_MAX_TEXTURE_SIZE_3D ,
LIMIT_MAX_TEXTURE_SIZE_CUBE ,
LIMIT_MAX_TEXTURES_PER_SHADER_STAGE ,
LIMIT_MAX_SAMPLERS_PER_SHADER_STAGE ,
LIMIT_MAX_STORAGE_BUFFERS_PER_SHADER_STAGE ,
LIMIT_MAX_STORAGE_IMAGES_PER_SHADER_STAGE ,
LIMIT_MAX_UNIFORM_BUFFERS_PER_SHADER_STAGE ,
LIMIT_MAX_PUSH_CONSTANT_SIZE ,
LIMIT_MAX_UNIFORM_BUFFER_SIZE ,
LIMIT_MAX_VERTEX_INPUT_ATTRIBUTE_OFFSET ,
LIMIT_MAX_VERTEX_INPUT_ATTRIBUTES ,
LIMIT_MAX_VERTEX_INPUT_BINDINGS ,
LIMIT_MAX_VERTEX_INPUT_BINDING_STRIDE ,
LIMIT_MIN_UNIFORM_BUFFER_OFFSET_ALIGNMENT ,
LIMIT_MAX_COMPUTE_SHARED_MEMORY_SIZE ,
LIMIT_MAX_COMPUTE_WORKGROUP_COUNT_X ,
LIMIT_MAX_COMPUTE_WORKGROUP_COUNT_Y ,
LIMIT_MAX_COMPUTE_WORKGROUP_COUNT_Z ,
LIMIT_MAX_COMPUTE_WORKGROUP_INVOCATIONS ,
LIMIT_MAX_COMPUTE_WORKGROUP_SIZE_X ,
LIMIT_MAX_COMPUTE_WORKGROUP_SIZE_Y ,
LIMIT_MAX_COMPUTE_WORKGROUP_SIZE_Z ,
LIMIT_MAX_VIEWPORT_DIMENSIONS_X ,
LIMIT_MAX_VIEWPORT_DIMENSIONS_Y ,
LIMIT_SUBGROUP_SIZE ,
LIMIT_SUBGROUP_MIN_SIZE ,
LIMIT_SUBGROUP_MAX_SIZE ,
LIMIT_SUBGROUP_IN_SHADERS , // Set flags using SHADER_STAGE_VERTEX_BIT, SHADER_STAGE_FRAGMENT_BIT, etc.
LIMIT_SUBGROUP_OPERATIONS ,
LIMIT_VRS_TEXEL_WIDTH ,
LIMIT_VRS_TEXEL_HEIGHT ,
} ;
enum Features {
SUPPORTS_MULTIVIEW ,
SUPPORTS_FSR_HALF_FLOAT ,
SUPPORTS_ATTACHMENT_VRS ,
// If not supported, a fragment shader with only side effets (i.e., writes to buffers, but doesn't output to attachments), may be optimized down to no-op by the GPU driver.
SUPPORTS_FRAGMENT_SHADER_WITH_ONLY_SIDE_EFFECTS ,
} ;
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enum SubgroupOperations {
SUBGROUP_BASIC_BIT = 1 ,
SUBGROUP_VOTE_BIT = 2 ,
SUBGROUP_ARITHMETIC_BIT = 4 ,
SUBGROUP_BALLOT_BIT = 8 ,
SUBGROUP_SHUFFLE_BIT = 16 ,
SUBGROUP_SHUFFLE_RELATIVE_BIT = 32 ,
SUBGROUP_CLUSTERED_BIT = 64 ,
SUBGROUP_QUAD_BIT = 128 ,
} ;
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////////////////////////////////////////////
// PROTECTED STUFF
// Not exposed by RenderingDevice, but shared
// with RenderingDeviceDriver for convenience.
////////////////////////////////////////////
protected :
/*****************/
/**** GENERIC ****/
/*****************/
static const char * const FORMAT_NAMES [ DATA_FORMAT_MAX ] ;
/*****************/
/**** TEXTURE ****/
/*****************/
static const uint32_t MAX_IMAGE_FORMAT_PLANES = 2 ;
static const uint32_t TEXTURE_SAMPLES_COUNT [ TEXTURE_SAMPLES_MAX ] ;
static uint32_t get_image_format_pixel_size ( DataFormat p_format ) ;
static void get_compressed_image_format_block_dimensions ( DataFormat p_format , uint32_t & r_w , uint32_t & r_h ) ;
uint32_t get_compressed_image_format_block_byte_size ( DataFormat p_format ) ;
static uint32_t get_compressed_image_format_pixel_rshift ( DataFormat p_format ) ;
static uint32_t get_image_format_required_size ( DataFormat p_format , uint32_t p_width , uint32_t p_height , uint32_t p_depth , uint32_t p_mipmaps , uint32_t * r_blockw = nullptr , uint32_t * r_blockh = nullptr , uint32_t * r_depth = nullptr ) ;
static uint32_t get_image_required_mipmaps ( uint32_t p_width , uint32_t p_height , uint32_t p_depth ) ;
static bool format_has_stencil ( DataFormat p_format ) ;
static uint32_t format_get_plane_count ( DataFormat p_format ) ;
/*****************/
/**** SAMPLER ****/
/*****************/
static const Color SAMPLER_BORDER_COLOR_VALUE [ SAMPLER_BORDER_COLOR_MAX ] ;
/**********************/
/**** VERTEX ARRAY ****/
/**********************/
static uint32_t get_format_vertex_size ( DataFormat p_format ) ;
/****************/
/**** SHADER ****/
/****************/
static const char * SHADER_STAGE_NAMES [ SHADER_STAGE_MAX ] ;
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public :
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struct ShaderUniform {
UniformType type = UniformType : : UNIFORM_TYPE_MAX ;
bool writable = false ;
uint32_t binding = 0 ;
BitField < ShaderStage > stages ;
uint32_t length = 0 ; // Size of arrays (in total elements), or ubos (in bytes * total elements).
bool operator ! = ( const ShaderUniform & p_other ) const {
return binding ! = p_other . binding | | type ! = p_other . type | | writable ! = p_other . writable | | stages ! = p_other . stages | | length ! = p_other . length ;
}
bool operator < ( const ShaderUniform & p_other ) const {
if ( binding ! = p_other . binding ) {
return binding < p_other . binding ;
}
if ( type ! = p_other . type ) {
return type < p_other . type ;
}
if ( writable ! = p_other . writable ) {
return writable < p_other . writable ;
}
if ( stages ! = p_other . stages ) {
return stages < p_other . stages ;
}
if ( length ! = p_other . length ) {
return length < p_other . length ;
}
return false ;
}
} ;
struct ShaderSpecializationConstant : public PipelineSpecializationConstant {
BitField < ShaderStage > stages ;
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bool operator < ( const ShaderSpecializationConstant & p_other ) const { return constant_id < p_other . constant_id ; }
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} ;
struct ShaderDescription {
uint64_t vertex_input_mask = 0 ;
uint32_t fragment_output_mask = 0 ;
bool is_compute = false ;
uint32_t compute_local_size [ 3 ] = { } ;
uint32_t push_constant_size = 0 ;
Vector < Vector < ShaderUniform > > uniform_sets ;
Vector < ShaderSpecializationConstant > specialization_constants ;
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Vector < ShaderStage > stages ;
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} ;
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protected :
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struct ShaderReflection : public ShaderDescription {
BitField < ShaderStage > stages ;
BitField < ShaderStage > push_constant_stages ;
} ;
} ;
# endif // RENDERING_DEVICE_COMMONS_H
