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Diffstat (limited to 'servers/rendering/rendering_device_commons.cpp')
| -rw-r--r-- | servers/rendering/rendering_device_commons.cpp | 912 |
1 files changed, 912 insertions, 0 deletions
diff --git a/servers/rendering/rendering_device_commons.cpp b/servers/rendering/rendering_device_commons.cpp new file mode 100644 index 0000000000..c8b7980633 --- /dev/null +++ b/servers/rendering/rendering_device_commons.cpp @@ -0,0 +1,912 @@ +/**************************************************************************/ +/* rendering_device_commons.cpp */ +/**************************************************************************/ +/* 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. */ +/**************************************************************************/ + +#include "rendering_device_commons.h" + +/*****************/ +/**** GENERIC ****/ +/*****************/ + +const char *const RenderingDeviceCommons::FORMAT_NAMES[DATA_FORMAT_MAX] = { + "R4G4_Unorm_Pack8", + "R4G4B4A4_Unorm_Pack16", + "B4G4R4A4_Unorm_Pack16", + "R5G6B5_Unorm_Pack16", + "B5G6R5_Unorm_Pack16", + "R5G5B5A1_Unorm_Pack16", + "B5G5R5A1_Unorm_Pack16", + "A1R5G5B5_Unorm_Pack16", + "R8_Unorm", + "R8_Snorm", + "R8_Uscaled", + "R8_Sscaled", + "R8_Uint", + "R8_Sint", + "R8_Srgb", + "R8G8_Unorm", + "R8G8_Snorm", + "R8G8_Uscaled", + "R8G8_Sscaled", + "R8G8_Uint", + "R8G8_Sint", + "R8G8_Srgb", + "R8G8B8_Unorm", + "R8G8B8_Snorm", + "R8G8B8_Uscaled", + "R8G8B8_Sscaled", + "R8G8B8_Uint", + "R8G8B8_Sint", + "R8G8B8_Srgb", + "B8G8R8_Unorm", + "B8G8R8_Snorm", + "B8G8R8_Uscaled", + "B8G8R8_Sscaled", + "B8G8R8_Uint", + "B8G8R8_Sint", + "B8G8R8_Srgb", + "R8G8B8A8_Unorm", + "R8G8B8A8_Snorm", + "R8G8B8A8_Uscaled", + "R8G8B8A8_Sscaled", + "R8G8B8A8_Uint", + "R8G8B8A8_Sint", + "R8G8B8A8_Srgb", + "B8G8R8A8_Unorm", + "B8G8R8A8_Snorm", + "B8G8R8A8_Uscaled", + "B8G8R8A8_Sscaled", + "B8G8R8A8_Uint", + "B8G8R8A8_Sint", + "B8G8R8A8_Srgb", + "A8B8G8R8_Unorm_Pack32", + "A8B8G8R8_Snorm_Pack32", + "A8B8G8R8_Uscaled_Pack32", + "A8B8G8R8_Sscaled_Pack32", + "A8B8G8R8_Uint_Pack32", + "A8B8G8R8_Sint_Pack32", + "A8B8G8R8_Srgb_Pack32", + "A2R10G10B10_Unorm_Pack32", + "A2R10G10B10_Snorm_Pack32", + "A2R10G10B10_Uscaled_Pack32", + "A2R10G10B10_Sscaled_Pack32", + "A2R10G10B10_Uint_Pack32", + "A2R10G10B10_Sint_Pack32", + "A2B10G10R10_Unorm_Pack32", + "A2B10G10R10_Snorm_Pack32", + "A2B10G10R10_Uscaled_Pack32", + "A2B10G10R10_Sscaled_Pack32", + "A2B10G10R10_Uint_Pack32", + "A2B10G10R10_Sint_Pack32", + "R16_Unorm", + "R16_Snorm", + "R16_Uscaled", + "R16_Sscaled", + "R16_Uint", + "R16_Sint", + "R16_Sfloat", + "R16G16_Unorm", + "R16G16_Snorm", + "R16G16_Uscaled", + "R16G16_Sscaled", + "R16G16_Uint", + "R16G16_Sint", + "R16G16_Sfloat", + "R16G16B16_Unorm", + "R16G16B16_Snorm", + "R16G16B16_Uscaled", + "R16G16B16_Sscaled", + "R16G16B16_Uint", + "R16G16B16_Sint", + "R16G16B16_Sfloat", + "R16G16B16A16_Unorm", + "R16G16B16A16_Snorm", + "R16G16B16A16_Uscaled", + "R16G16B16A16_Sscaled", + "R16G16B16A16_Uint", + "R16G16B16A16_Sint", + "R16G16B16A16_Sfloat", + "R32_Uint", + "R32_Sint", + "R32_Sfloat", + "R32G32_Uint", + "R32G32_Sint", + "R32G32_Sfloat", + "R32G32B32_Uint", + "R32G32B32_Sint", + "R32G32B32_Sfloat", + "R32G32B32A32_Uint", + "R32G32B32A32_Sint", + "R32G32B32A32_Sfloat", + "R64_Uint", + "R64_Sint", + "R64_Sfloat", + "R64G64_Uint", + "R64G64_Sint", + "R64G64_Sfloat", + "R64G64B64_Uint", + "R64G64B64_Sint", + "R64G64B64_Sfloat", + "R64G64B64A64_Uint", + "R64G64B64A64_Sint", + "R64G64B64A64_Sfloat", + "B10G11R11_Ufloat_Pack32", + "E5B9G9R9_Ufloat_Pack32", + "D16_Unorm", + "X8_D24_Unorm_Pack32", + "D32_Sfloat", + "S8_Uint", + "D16_Unorm_S8_Uint", + "D24_Unorm_S8_Uint", + "D32_Sfloat_S8_Uint", + "Bc1_Rgb_Unorm_Block", + "Bc1_Rgb_Srgb_Block", + "Bc1_Rgba_Unorm_Block", + "Bc1_Rgba_Srgb_Block", + "Bc2_Unorm_Block", + "Bc2_Srgb_Block", + "Bc3_Unorm_Block", + "Bc3_Srgb_Block", + "Bc4_Unorm_Block", + "Bc4_Snorm_Block", + "Bc5_Unorm_Block", + "Bc5_Snorm_Block", + "Bc6H_Ufloat_Block", + "Bc6H_Sfloat_Block", + "Bc7_Unorm_Block", + "Bc7_Srgb_Block", + "Etc2_R8G8B8_Unorm_Block", + "Etc2_R8G8B8_Srgb_Block", + "Etc2_R8G8B8A1_Unorm_Block", + "Etc2_R8G8B8A1_Srgb_Block", + "Etc2_R8G8B8A8_Unorm_Block", + "Etc2_R8G8B8A8_Srgb_Block", + "Eac_R11_Unorm_Block", + "Eac_R11_Snorm_Block", + "Eac_R11G11_Unorm_Block", + "Eac_R11G11_Snorm_Block", + "Astc_4X4_Unorm_Block", + "Astc_4X4_Srgb_Block", + "Astc_5X4_Unorm_Block", + "Astc_5X4_Srgb_Block", + "Astc_5X5_Unorm_Block", + "Astc_5X5_Srgb_Block", + "Astc_6X5_Unorm_Block", + "Astc_6X5_Srgb_Block", + "Astc_6X6_Unorm_Block", + "Astc_6X6_Srgb_Block", + "Astc_8X5_Unorm_Block", + "Astc_8X5_Srgb_Block", + "Astc_8X6_Unorm_Block", + "Astc_8X6_Srgb_Block", + "Astc_8X8_Unorm_Block", + "Astc_8X8_Srgb_Block", + "Astc_10X5_Unorm_Block", + "Astc_10X5_Srgb_Block", + "Astc_10X6_Unorm_Block", + "Astc_10X6_Srgb_Block", + "Astc_10X8_Unorm_Block", + "Astc_10X8_Srgb_Block", + "Astc_10X10_Unorm_Block", + "Astc_10X10_Srgb_Block", + "Astc_12X10_Unorm_Block", + "Astc_12X10_Srgb_Block", + "Astc_12X12_Unorm_Block", + "Astc_12X12_Srgb_Block", + "G8B8G8R8_422_Unorm", + "B8G8R8G8_422_Unorm", + "G8_B8_R8_3Plane_420_Unorm", + "G8_B8R8_2Plane_420_Unorm", + "G8_B8_R8_3Plane_422_Unorm", + "G8_B8R8_2Plane_422_Unorm", + "G8_B8_R8_3Plane_444_Unorm", + "R10X6_Unorm_Pack16", + "R10X6G10X6_Unorm_2Pack16", + "R10X6G10X6B10X6A10X6_Unorm_4Pack16", + "G10X6B10X6G10X6R10X6_422_Unorm_4Pack16", + "B10X6G10X6R10X6G10X6_422_Unorm_4Pack16", + "G10X6_B10X6_R10X6_3Plane_420_Unorm_3Pack16", + "G10X6_B10X6R10X6_2Plane_420_Unorm_3Pack16", + "G10X6_B10X6_R10X6_3Plane_422_Unorm_3Pack16", + "G10X6_B10X6R10X6_2Plane_422_Unorm_3Pack16", + "G10X6_B10X6_R10X6_3Plane_444_Unorm_3Pack16", + "R12X4_Unorm_Pack16", + "R12X4G12X4_Unorm_2Pack16", + "R12X4G12X4B12X4A12X4_Unorm_4Pack16", + "G12X4B12X4G12X4R12X4_422_Unorm_4Pack16", + "B12X4G12X4R12X4G12X4_422_Unorm_4Pack16", + "G12X4_B12X4_R12X4_3Plane_420_Unorm_3Pack16", + "G12X4_B12X4R12X4_2Plane_420_Unorm_3Pack16", + "G12X4_B12X4_R12X4_3Plane_422_Unorm_3Pack16", + "G12X4_B12X4R12X4_2Plane_422_Unorm_3Pack16", + "G12X4_B12X4_R12X4_3Plane_444_Unorm_3Pack16", + "G16B16G16R16_422_Unorm", + "B16G16R16G16_422_Unorm", + "G16_B16_R16_3Plane_420_Unorm", + "G16_B16R16_2Plane_420_Unorm", + "G16_B16_R16_3Plane_422_Unorm", + "G16_B16R16_2Plane_422_Unorm", + "G16_B16_R16_3Plane_444_Unorm", +}; + +/*****************/ +/**** TEXTURE ****/ +/*****************/ + +const uint32_t RenderingDeviceCommons::TEXTURE_SAMPLES_COUNT[TEXTURE_SAMPLES_MAX] = { 1, 2, 4, 8, 16, 32, 64 }; + +uint32_t RenderingDeviceCommons::get_image_format_pixel_size(DataFormat p_format) { + switch (p_format) { + case DATA_FORMAT_R4G4_UNORM_PACK8: + return 1; + case DATA_FORMAT_R4G4B4A4_UNORM_PACK16: + case DATA_FORMAT_B4G4R4A4_UNORM_PACK16: + case DATA_FORMAT_R5G6B5_UNORM_PACK16: + case DATA_FORMAT_B5G6R5_UNORM_PACK16: + case DATA_FORMAT_R5G5B5A1_UNORM_PACK16: + case DATA_FORMAT_B5G5R5A1_UNORM_PACK16: + case DATA_FORMAT_A1R5G5B5_UNORM_PACK16: + return 2; + case DATA_FORMAT_R8_UNORM: + case DATA_FORMAT_R8_SNORM: + case DATA_FORMAT_R8_USCALED: + case DATA_FORMAT_R8_SSCALED: + case DATA_FORMAT_R8_UINT: + case DATA_FORMAT_R8_SINT: + case DATA_FORMAT_R8_SRGB: + return 1; + case DATA_FORMAT_R8G8_UNORM: + case DATA_FORMAT_R8G8_SNORM: + case DATA_FORMAT_R8G8_USCALED: + case DATA_FORMAT_R8G8_SSCALED: + case DATA_FORMAT_R8G8_UINT: + case DATA_FORMAT_R8G8_SINT: + case DATA_FORMAT_R8G8_SRGB: + return 2; + case DATA_FORMAT_R8G8B8_UNORM: + case DATA_FORMAT_R8G8B8_SNORM: + case DATA_FORMAT_R8G8B8_USCALED: + case DATA_FORMAT_R8G8B8_SSCALED: + case DATA_FORMAT_R8G8B8_UINT: + case DATA_FORMAT_R8G8B8_SINT: + case DATA_FORMAT_R8G8B8_SRGB: + case DATA_FORMAT_B8G8R8_UNORM: + case DATA_FORMAT_B8G8R8_SNORM: + case DATA_FORMAT_B8G8R8_USCALED: + case DATA_FORMAT_B8G8R8_SSCALED: + case DATA_FORMAT_B8G8R8_UINT: + case DATA_FORMAT_B8G8R8_SINT: + case DATA_FORMAT_B8G8R8_SRGB: + return 3; + case DATA_FORMAT_R8G8B8A8_UNORM: + case DATA_FORMAT_R8G8B8A8_SNORM: + case DATA_FORMAT_R8G8B8A8_USCALED: + case DATA_FORMAT_R8G8B8A8_SSCALED: + case DATA_FORMAT_R8G8B8A8_UINT: + case DATA_FORMAT_R8G8B8A8_SINT: + case DATA_FORMAT_R8G8B8A8_SRGB: + case DATA_FORMAT_B8G8R8A8_UNORM: + case DATA_FORMAT_B8G8R8A8_SNORM: + case DATA_FORMAT_B8G8R8A8_USCALED: + case DATA_FORMAT_B8G8R8A8_SSCALED: + case DATA_FORMAT_B8G8R8A8_UINT: + case DATA_FORMAT_B8G8R8A8_SINT: + case DATA_FORMAT_B8G8R8A8_SRGB: + return 4; + case DATA_FORMAT_A8B8G8R8_UNORM_PACK32: + case DATA_FORMAT_A8B8G8R8_SNORM_PACK32: + case DATA_FORMAT_A8B8G8R8_USCALED_PACK32: + case DATA_FORMAT_A8B8G8R8_SSCALED_PACK32: + case DATA_FORMAT_A8B8G8R8_UINT_PACK32: + case DATA_FORMAT_A8B8G8R8_SINT_PACK32: + case DATA_FORMAT_A8B8G8R8_SRGB_PACK32: + case DATA_FORMAT_A2R10G10B10_UNORM_PACK32: + case DATA_FORMAT_A2R10G10B10_SNORM_PACK32: + case DATA_FORMAT_A2R10G10B10_USCALED_PACK32: + case DATA_FORMAT_A2R10G10B10_SSCALED_PACK32: + case DATA_FORMAT_A2R10G10B10_UINT_PACK32: + case DATA_FORMAT_A2R10G10B10_SINT_PACK32: + case DATA_FORMAT_A2B10G10R10_UNORM_PACK32: + case DATA_FORMAT_A2B10G10R10_SNORM_PACK32: + case DATA_FORMAT_A2B10G10R10_USCALED_PACK32: + case DATA_FORMAT_A2B10G10R10_SSCALED_PACK32: + case DATA_FORMAT_A2B10G10R10_UINT_PACK32: + case DATA_FORMAT_A2B10G10R10_SINT_PACK32: + return 4; + case DATA_FORMAT_R16_UNORM: + case DATA_FORMAT_R16_SNORM: + case DATA_FORMAT_R16_USCALED: + case DATA_FORMAT_R16_SSCALED: + case DATA_FORMAT_R16_UINT: + case DATA_FORMAT_R16_SINT: + case DATA_FORMAT_R16_SFLOAT: + return 2; + case DATA_FORMAT_R16G16_UNORM: + case DATA_FORMAT_R16G16_SNORM: + case DATA_FORMAT_R16G16_USCALED: + case DATA_FORMAT_R16G16_SSCALED: + case DATA_FORMAT_R16G16_UINT: + case DATA_FORMAT_R16G16_SINT: + case DATA_FORMAT_R16G16_SFLOAT: + return 4; + case DATA_FORMAT_R16G16B16_UNORM: + case DATA_FORMAT_R16G16B16_SNORM: + case DATA_FORMAT_R16G16B16_USCALED: + case DATA_FORMAT_R16G16B16_SSCALED: + case DATA_FORMAT_R16G16B16_UINT: + case DATA_FORMAT_R16G16B16_SINT: + case DATA_FORMAT_R16G16B16_SFLOAT: + return 6; + case DATA_FORMAT_R16G16B16A16_UNORM: + case DATA_FORMAT_R16G16B16A16_SNORM: + case DATA_FORMAT_R16G16B16A16_USCALED: + case DATA_FORMAT_R16G16B16A16_SSCALED: + case DATA_FORMAT_R16G16B16A16_UINT: + case DATA_FORMAT_R16G16B16A16_SINT: + case DATA_FORMAT_R16G16B16A16_SFLOAT: + return 8; + case DATA_FORMAT_R32_UINT: + case DATA_FORMAT_R32_SINT: + case DATA_FORMAT_R32_SFLOAT: + return 4; + case DATA_FORMAT_R32G32_UINT: + case DATA_FORMAT_R32G32_SINT: + case DATA_FORMAT_R32G32_SFLOAT: + return 8; + case DATA_FORMAT_R32G32B32_UINT: + case DATA_FORMAT_R32G32B32_SINT: + case DATA_FORMAT_R32G32B32_SFLOAT: + return 12; + case DATA_FORMAT_R32G32B32A32_UINT: + case DATA_FORMAT_R32G32B32A32_SINT: + case DATA_FORMAT_R32G32B32A32_SFLOAT: + return 16; + case DATA_FORMAT_R64_UINT: + case DATA_FORMAT_R64_SINT: + case DATA_FORMAT_R64_SFLOAT: + return 8; + case DATA_FORMAT_R64G64_UINT: + case DATA_FORMAT_R64G64_SINT: + case DATA_FORMAT_R64G64_SFLOAT: + return 16; + case DATA_FORMAT_R64G64B64_UINT: + case DATA_FORMAT_R64G64B64_SINT: + case DATA_FORMAT_R64G64B64_SFLOAT: + return 24; + case DATA_FORMAT_R64G64B64A64_UINT: + case DATA_FORMAT_R64G64B64A64_SINT: + case DATA_FORMAT_R64G64B64A64_SFLOAT: + return 32; + case DATA_FORMAT_B10G11R11_UFLOAT_PACK32: + case DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32: + return 4; + case DATA_FORMAT_D16_UNORM: + return 2; + case DATA_FORMAT_X8_D24_UNORM_PACK32: + return 4; + case DATA_FORMAT_D32_SFLOAT: + return 4; + case DATA_FORMAT_S8_UINT: + return 1; + case DATA_FORMAT_D16_UNORM_S8_UINT: + return 4; + case DATA_FORMAT_D24_UNORM_S8_UINT: + return 4; + case DATA_FORMAT_D32_SFLOAT_S8_UINT: + return 5; // ? + case DATA_FORMAT_BC1_RGB_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGB_SRGB_BLOCK: + case DATA_FORMAT_BC1_RGBA_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGBA_SRGB_BLOCK: + case DATA_FORMAT_BC2_UNORM_BLOCK: + case DATA_FORMAT_BC2_SRGB_BLOCK: + case DATA_FORMAT_BC3_UNORM_BLOCK: + case DATA_FORMAT_BC3_SRGB_BLOCK: + case DATA_FORMAT_BC4_UNORM_BLOCK: + case DATA_FORMAT_BC4_SNORM_BLOCK: + case DATA_FORMAT_BC5_UNORM_BLOCK: + case DATA_FORMAT_BC5_SNORM_BLOCK: + case DATA_FORMAT_BC6H_UFLOAT_BLOCK: + case DATA_FORMAT_BC6H_SFLOAT_BLOCK: + case DATA_FORMAT_BC7_UNORM_BLOCK: + case DATA_FORMAT_BC7_SRGB_BLOCK: + return 1; + case DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: + return 1; + case DATA_FORMAT_EAC_R11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11_SNORM_BLOCK: + case DATA_FORMAT_EAC_R11G11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11G11_SNORM_BLOCK: + return 1; + case DATA_FORMAT_ASTC_4x4_UNORM_BLOCK: + case DATA_FORMAT_ASTC_4x4_SRGB_BLOCK: + case DATA_FORMAT_ASTC_5x4_UNORM_BLOCK: + case DATA_FORMAT_ASTC_5x4_SRGB_BLOCK: + case DATA_FORMAT_ASTC_5x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_5x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x12_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x12_SRGB_BLOCK: + return 1; + case DATA_FORMAT_G8B8G8R8_422_UNORM: + case DATA_FORMAT_B8G8R8G8_422_UNORM: + return 4; + case DATA_FORMAT_G8_B8_R8_3PLANE_420_UNORM: + case DATA_FORMAT_G8_B8R8_2PLANE_420_UNORM: + case DATA_FORMAT_G8_B8_R8_3PLANE_422_UNORM: + case DATA_FORMAT_G8_B8R8_2PLANE_422_UNORM: + case DATA_FORMAT_G8_B8_R8_3PLANE_444_UNORM: + return 4; + case DATA_FORMAT_R10X6_UNORM_PACK16: + case DATA_FORMAT_R10X6G10X6_UNORM_2PACK16: + case DATA_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16: + case DATA_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16: + case DATA_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16: + case DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16: + case DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16: + case DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16: + case DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16: + case DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16: + case DATA_FORMAT_R12X4_UNORM_PACK16: + case DATA_FORMAT_R12X4G12X4_UNORM_2PACK16: + case DATA_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16: + case DATA_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16: + case DATA_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16: + case DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16: + case DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16: + case DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16: + case DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16: + case DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16: + return 2; + case DATA_FORMAT_G16B16G16R16_422_UNORM: + case DATA_FORMAT_B16G16R16G16_422_UNORM: + case DATA_FORMAT_G16_B16_R16_3PLANE_420_UNORM: + case DATA_FORMAT_G16_B16R16_2PLANE_420_UNORM: + case DATA_FORMAT_G16_B16_R16_3PLANE_422_UNORM: + case DATA_FORMAT_G16_B16R16_2PLANE_422_UNORM: + case DATA_FORMAT_G16_B16_R16_3PLANE_444_UNORM: + return 8; + default: { + ERR_PRINT("Format not handled, bug"); + } + } + + return 1; +} + +// https://www.khronos.org/registry/DataFormat/specs/1.1/dataformat.1.1.pdf +void RenderingDeviceCommons::get_compressed_image_format_block_dimensions(DataFormat p_format, uint32_t &r_w, uint32_t &r_h) { + switch (p_format) { + case DATA_FORMAT_BC1_RGB_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGB_SRGB_BLOCK: + case DATA_FORMAT_BC1_RGBA_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGBA_SRGB_BLOCK: + case DATA_FORMAT_BC2_UNORM_BLOCK: + case DATA_FORMAT_BC2_SRGB_BLOCK: + case DATA_FORMAT_BC3_UNORM_BLOCK: + case DATA_FORMAT_BC3_SRGB_BLOCK: + case DATA_FORMAT_BC4_UNORM_BLOCK: + case DATA_FORMAT_BC4_SNORM_BLOCK: + case DATA_FORMAT_BC5_UNORM_BLOCK: + case DATA_FORMAT_BC5_SNORM_BLOCK: + case DATA_FORMAT_BC6H_UFLOAT_BLOCK: + case DATA_FORMAT_BC6H_SFLOAT_BLOCK: + case DATA_FORMAT_BC7_UNORM_BLOCK: + case DATA_FORMAT_BC7_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: + case DATA_FORMAT_EAC_R11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11_SNORM_BLOCK: + case DATA_FORMAT_EAC_R11G11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11G11_SNORM_BLOCK: + case DATA_FORMAT_ASTC_4x4_UNORM_BLOCK: // Again, not sure about astc. + case DATA_FORMAT_ASTC_4x4_SRGB_BLOCK: { + r_w = 4; + r_h = 4; + } break; + case DATA_FORMAT_ASTC_5x4_UNORM_BLOCK: // Unsupported + case DATA_FORMAT_ASTC_5x4_SRGB_BLOCK: + case DATA_FORMAT_ASTC_5x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_5x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x6_SRGB_BLOCK: { + r_w = 4; + r_h = 4; + } break; + case DATA_FORMAT_ASTC_8x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x8_SRGB_BLOCK: { + r_w = 8; + r_h = 8; + } break; + case DATA_FORMAT_ASTC_10x5_UNORM_BLOCK: // Unsupported + case DATA_FORMAT_ASTC_10x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x12_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x12_SRGB_BLOCK: + r_w = 4; + r_h = 4; + return; + default: { + r_w = 1; + r_h = 1; + } + } +} + +uint32_t RenderingDeviceCommons::get_compressed_image_format_block_byte_size(DataFormat p_format) { + switch (p_format) { + case DATA_FORMAT_BC1_RGB_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGB_SRGB_BLOCK: + case DATA_FORMAT_BC1_RGBA_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGBA_SRGB_BLOCK: + return 8; + case DATA_FORMAT_BC2_UNORM_BLOCK: + case DATA_FORMAT_BC2_SRGB_BLOCK: + return 16; + case DATA_FORMAT_BC3_UNORM_BLOCK: + case DATA_FORMAT_BC3_SRGB_BLOCK: + return 16; + case DATA_FORMAT_BC4_UNORM_BLOCK: + case DATA_FORMAT_BC4_SNORM_BLOCK: + return 8; + case DATA_FORMAT_BC5_UNORM_BLOCK: + case DATA_FORMAT_BC5_SNORM_BLOCK: + return 16; + case DATA_FORMAT_BC6H_UFLOAT_BLOCK: + case DATA_FORMAT_BC6H_SFLOAT_BLOCK: + return 16; + case DATA_FORMAT_BC7_UNORM_BLOCK: + case DATA_FORMAT_BC7_SRGB_BLOCK: + return 16; + case DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: + return 8; + case DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: + return 8; + case DATA_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: + return 16; + case DATA_FORMAT_EAC_R11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11_SNORM_BLOCK: + return 8; + case DATA_FORMAT_EAC_R11G11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11G11_SNORM_BLOCK: + return 16; + case DATA_FORMAT_ASTC_4x4_UNORM_BLOCK: // Again, not sure about astc. + case DATA_FORMAT_ASTC_4x4_SRGB_BLOCK: + case DATA_FORMAT_ASTC_5x4_UNORM_BLOCK: + case DATA_FORMAT_ASTC_5x4_SRGB_BLOCK: + case DATA_FORMAT_ASTC_5x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_5x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_6x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_6x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_8x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x5_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x5_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x6_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x6_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x8_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_10x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_10x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x10_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x10_SRGB_BLOCK: + case DATA_FORMAT_ASTC_12x12_UNORM_BLOCK: + case DATA_FORMAT_ASTC_12x12_SRGB_BLOCK: + return 16; + default: { + } + } + return 1; +} + +uint32_t RenderingDeviceCommons::get_compressed_image_format_pixel_rshift(DataFormat p_format) { + switch (p_format) { + case DATA_FORMAT_BC1_RGB_UNORM_BLOCK: // These formats are half byte size, so rshift is 1. + case DATA_FORMAT_BC1_RGB_SRGB_BLOCK: + case DATA_FORMAT_BC1_RGBA_UNORM_BLOCK: + case DATA_FORMAT_BC1_RGBA_SRGB_BLOCK: + case DATA_FORMAT_BC4_UNORM_BLOCK: + case DATA_FORMAT_BC4_SNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: + case DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: + case DATA_FORMAT_EAC_R11_UNORM_BLOCK: + case DATA_FORMAT_EAC_R11_SNORM_BLOCK: + return 1; + case DATA_FORMAT_ASTC_8x8_SRGB_BLOCK: + case DATA_FORMAT_ASTC_8x8_UNORM_BLOCK: { + return 2; + } + default: { + } + } + + return 0; +} + +uint32_t RenderingDeviceCommons::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, uint32_t *r_blockh, uint32_t *r_depth) { + ERR_FAIL_COND_V(p_mipmaps == 0, 0); + uint32_t w = p_width; + uint32_t h = p_height; + uint32_t d = p_depth; + + uint32_t size = 0; + + uint32_t pixel_size = get_image_format_pixel_size(p_format); + uint32_t pixel_rshift = get_compressed_image_format_pixel_rshift(p_format); + uint32_t blockw, blockh; + get_compressed_image_format_block_dimensions(p_format, blockw, blockh); + + for (uint32_t i = 0; i < p_mipmaps; i++) { + uint32_t bw = w % blockw != 0 ? w + (blockw - w % blockw) : w; + uint32_t bh = h % blockh != 0 ? h + (blockh - h % blockh) : h; + + uint32_t s = bw * bh; + + s *= pixel_size; + s >>= pixel_rshift; + size += s * d; + if (r_blockw) { + *r_blockw = bw; + } + if (r_blockh) { + *r_blockh = bh; + } + if (r_depth) { + *r_depth = d; + } + w = MAX(blockw, w >> 1); + h = MAX(blockh, h >> 1); + d = MAX(1u, d >> 1); + } + + return size; +} + +uint32_t RenderingDeviceCommons::get_image_required_mipmaps(uint32_t p_width, uint32_t p_height, uint32_t p_depth) { + // Formats and block size don't really matter here since they can all go down to 1px (even if block is larger). + uint32_t w = p_width; + uint32_t h = p_height; + uint32_t d = p_depth; + + uint32_t mipmaps = 1; + + while (true) { + if (w == 1 && h == 1 && d == 1) { + break; + } + + w = MAX(1u, w >> 1); + h = MAX(1u, h >> 1); + d = MAX(1u, d >> 1); + + mipmaps++; + } + + return mipmaps; +} + +bool RenderingDeviceCommons::format_has_stencil(DataFormat p_format) { + switch (p_format) { + case DATA_FORMAT_S8_UINT: + case DATA_FORMAT_D16_UNORM_S8_UINT: + case DATA_FORMAT_D24_UNORM_S8_UINT: + case DATA_FORMAT_D32_SFLOAT_S8_UINT: { + return true; + } + default: { + } + } + return false; +} + +uint32_t RenderingDeviceCommons::format_get_plane_count(DataFormat p_format) { + uint32_t planes = 1; + switch (p_format) { + case DATA_FORMAT_D16_UNORM_S8_UINT: + case DATA_FORMAT_D24_UNORM_S8_UINT: + case DATA_FORMAT_D32_SFLOAT_S8_UINT: { + planes = 2; + break; + } + default: { + } + } + DEV_ASSERT(planes <= MAX_IMAGE_FORMAT_PLANES); + return planes; +} + +/*****************/ +/**** SAMPLER ****/ +/*****************/ + +const Color RenderingDeviceCommons::SAMPLER_BORDER_COLOR_VALUE[SAMPLER_BORDER_COLOR_MAX] = { + Color(0, 0, 0, 0), + Color(0, 0, 0, 0), + Color(0, 0, 0, 1), + Color(0, 0, 0, 1), + Color(1, 1, 1, 1), + Color(1, 1, 1, 1), +}; + +/**********************/ +/**** VERTEX ARRAY ****/ +/**********************/ + +uint32_t RenderingDeviceCommons::get_format_vertex_size(DataFormat p_format) { + switch (p_format) { + case DATA_FORMAT_R8_UNORM: + case DATA_FORMAT_R8_SNORM: + case DATA_FORMAT_R8_UINT: + case DATA_FORMAT_R8_SINT: + case DATA_FORMAT_R8G8_UNORM: + case DATA_FORMAT_R8G8_SNORM: + case DATA_FORMAT_R8G8_UINT: + case DATA_FORMAT_R8G8_SINT: + case DATA_FORMAT_R8G8B8_UNORM: + case DATA_FORMAT_R8G8B8_SNORM: + case DATA_FORMAT_R8G8B8_UINT: + case DATA_FORMAT_R8G8B8_SINT: + case DATA_FORMAT_B8G8R8_UNORM: + case DATA_FORMAT_B8G8R8_SNORM: + case DATA_FORMAT_B8G8R8_UINT: + case DATA_FORMAT_B8G8R8_SINT: + case DATA_FORMAT_R8G8B8A8_UNORM: + case DATA_FORMAT_R8G8B8A8_SNORM: + case DATA_FORMAT_R8G8B8A8_UINT: + case DATA_FORMAT_R8G8B8A8_SINT: + case DATA_FORMAT_B8G8R8A8_UNORM: + case DATA_FORMAT_B8G8R8A8_SNORM: + case DATA_FORMAT_B8G8R8A8_UINT: + case DATA_FORMAT_B8G8R8A8_SINT: + case DATA_FORMAT_A2B10G10R10_UNORM_PACK32: + return 4; + case DATA_FORMAT_R16_UNORM: + case DATA_FORMAT_R16_SNORM: + case DATA_FORMAT_R16_UINT: + case DATA_FORMAT_R16_SINT: + case DATA_FORMAT_R16_SFLOAT: + return 4; + case DATA_FORMAT_R16G16_UNORM: + case DATA_FORMAT_R16G16_SNORM: + case DATA_FORMAT_R16G16_UINT: + case DATA_FORMAT_R16G16_SINT: + case DATA_FORMAT_R16G16_SFLOAT: + return 4; + case DATA_FORMAT_R16G16B16_UNORM: + case DATA_FORMAT_R16G16B16_SNORM: + case DATA_FORMAT_R16G16B16_UINT: + case DATA_FORMAT_R16G16B16_SINT: + case DATA_FORMAT_R16G16B16_SFLOAT: + return 8; + case DATA_FORMAT_R16G16B16A16_UNORM: + case DATA_FORMAT_R16G16B16A16_SNORM: + case DATA_FORMAT_R16G16B16A16_UINT: + case DATA_FORMAT_R16G16B16A16_SINT: + case DATA_FORMAT_R16G16B16A16_SFLOAT: + return 8; + case DATA_FORMAT_R32_UINT: + case DATA_FORMAT_R32_SINT: + case DATA_FORMAT_R32_SFLOAT: + return 4; + case DATA_FORMAT_R32G32_UINT: + case DATA_FORMAT_R32G32_SINT: + case DATA_FORMAT_R32G32_SFLOAT: + return 8; + case DATA_FORMAT_R32G32B32_UINT: + case DATA_FORMAT_R32G32B32_SINT: + case DATA_FORMAT_R32G32B32_SFLOAT: + return 12; + case DATA_FORMAT_R32G32B32A32_UINT: + case DATA_FORMAT_R32G32B32A32_SINT: + case DATA_FORMAT_R32G32B32A32_SFLOAT: + return 16; + case DATA_FORMAT_R64_UINT: + case DATA_FORMAT_R64_SINT: + case DATA_FORMAT_R64_SFLOAT: + return 8; + case DATA_FORMAT_R64G64_UINT: + case DATA_FORMAT_R64G64_SINT: + case DATA_FORMAT_R64G64_SFLOAT: + return 16; + case DATA_FORMAT_R64G64B64_UINT: + case DATA_FORMAT_R64G64B64_SINT: + case DATA_FORMAT_R64G64B64_SFLOAT: + return 24; + case DATA_FORMAT_R64G64B64A64_UINT: + case DATA_FORMAT_R64G64B64A64_SINT: + case DATA_FORMAT_R64G64B64A64_SFLOAT: + return 32; + default: + return 0; + } +} + +/****************/ +/**** SHADER ****/ +/****************/ + +const char *RenderingDeviceCommons::SHADER_STAGE_NAMES[SHADER_STAGE_MAX] = { + "Vertex", + "Fragment", + "TesselationControl", + "TesselationEvaluation", + "Compute", +}; |