/**************************************************************************/ /* 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, }; // Breadcrumb markers are useful for debugging GPU crashes (i.e. DEVICE_LOST). Internally // they're just an uint32_t to "tag" a GPU command. These are only used for debugging and do not // (or at least shouldn't) alter the execution behavior in any way. // // When a GPU crashes and Godot was built in dev or debug mode; Godot will dump what commands // were being executed and what tag they were marked with. // This makes narrowing down the cause of a crash easier. Note that a GPU can be executing // multiple commands at the same time. It is also useful to identify data hazards. // // For example if each LIGHTMAPPER_PASS must be executed in sequential order, but dumps // indicated that pass (LIGHTMAPPER_PASS | 5) was being executed at the same time as // (LIGHTMAPPER_PASS | 4), that would indicate there is a missing barrier or a render graph bug. // // The enums are bitshifted by 16 bits so it's possible to add user data via bitwise operations. // Using this enum is not mandatory; but it is recommended so that all subsystems agree what each // ID means when dumping info. enum BreadcrumbMarker { NONE = 0, // Environment REFLECTION_PROBES = 1u << 16u, SKY_PASS = 2u << 16u, // Light mapping LIGHTMAPPER_PASS = 3u << 16u, // Shadows SHADOW_PASS_DIRECTIONAL = 4u << 16u, SHADOW_PASS_CUBE = 5u << 16u, // Geometry passes OPAQUE_PASS = 6u << 16u, ALPHA_PASS = 7u << 16u, TRANSPARENT_PASS = 8u << 16u, // Screen effects POST_PROCESSING_PASS = 9u << 16u, BLIT_PASS = 10u << 16u, UI_PASS = 11u << 16u, // Other DEBUG_PASS = 12u << 16u, }; 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 shareable_formats; bool is_resolve_buffer = false; bool is_discardable = 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 if (is_resolve_buffer != b.is_resolve_buffer) { return false; } else if (is_discardable != b.is_discardable) { 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, TEXTURE_SLICE_MAX }; /*****************/ /**** 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 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 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 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, LIMIT_VRS_MAX_FRAGMENT_WIDTH, LIMIT_VRS_MAX_FRAGMENT_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, }; 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, }; //////////////////////////////////////////// // 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) const; 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]; public: struct ShaderUniform { UniformType type = UniformType::UNIFORM_TYPE_MAX; bool writable = false; uint32_t binding = 0; BitField 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 stages; bool operator<(const ShaderSpecializationConstant &p_other) const { return constant_id < p_other.constant_id; } }; 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> uniform_sets; Vector specialization_constants; Vector stages; }; protected: struct ShaderReflection : public ShaderDescription { BitField stages; BitField push_constant_stages; }; }; #endif // RENDERING_DEVICE_COMMONS_H