| /* |
| * Copyright 2022 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef skgpu_VulkanUtilsPriv_DEFINED |
| #define skgpu_VulkanUtilsPriv_DEFINED |
| |
| #include "include/gpu/vk/VulkanTypes.h" |
| |
| namespace skgpu { |
| |
| static constexpr uint32_t VkFormatChannels(VkFormat vkFormat) { |
| switch (vkFormat) { |
| case VK_FORMAT_R8G8B8A8_UNORM: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R8_UNORM: return kRed_SkColorChannelFlag; |
| case VK_FORMAT_B8G8R8A8_UNORM: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R5G6B5_UNORM_PACK16: return kRGB_SkColorChannelFlags; |
| case VK_FORMAT_R16G16B16A16_SFLOAT: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R16_SFLOAT: return kRed_SkColorChannelFlag; |
| case VK_FORMAT_R8G8B8_UNORM: return kRGB_SkColorChannelFlags; |
| case VK_FORMAT_R8G8_UNORM: return kRG_SkColorChannelFlags; |
| case VK_FORMAT_A2B10G10R10_UNORM_PACK32: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_A2R10G10B10_UNORM_PACK32: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_B4G4R4A4_UNORM_PACK16: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R4G4B4A4_UNORM_PACK16: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R8G8B8A8_SRGB: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: return kRGB_SkColorChannelFlags; |
| case VK_FORMAT_BC1_RGB_UNORM_BLOCK: return kRGB_SkColorChannelFlags; |
| case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R16_UNORM: return kRed_SkColorChannelFlag; |
| case VK_FORMAT_R16G16_UNORM: return kRG_SkColorChannelFlags; |
| case VK_FORMAT_R16G16B16A16_UNORM: return kRGBA_SkColorChannelFlags; |
| case VK_FORMAT_R16G16_SFLOAT: return kRG_SkColorChannelFlags; |
| case VK_FORMAT_S8_UINT: return 0; |
| case VK_FORMAT_D24_UNORM_S8_UINT: return 0; |
| case VK_FORMAT_D32_SFLOAT_S8_UINT: return 0; |
| default: return 0; |
| } |
| } |
| |
| static constexpr size_t VkFormatBytesPerBlock(VkFormat vkFormat) { |
| switch (vkFormat) { |
| case VK_FORMAT_R8G8B8A8_UNORM: return 4; |
| case VK_FORMAT_R8_UNORM: return 1; |
| case VK_FORMAT_B8G8R8A8_UNORM: return 4; |
| case VK_FORMAT_R5G6B5_UNORM_PACK16: return 2; |
| case VK_FORMAT_R16G16B16A16_SFLOAT: return 8; |
| case VK_FORMAT_R16_SFLOAT: return 2; |
| case VK_FORMAT_R8G8B8_UNORM: return 3; |
| case VK_FORMAT_R8G8_UNORM: return 2; |
| case VK_FORMAT_A2B10G10R10_UNORM_PACK32: return 4; |
| case VK_FORMAT_A2R10G10B10_UNORM_PACK32: return 4; |
| case VK_FORMAT_B4G4R4A4_UNORM_PACK16: return 2; |
| case VK_FORMAT_R4G4B4A4_UNORM_PACK16: return 2; |
| case VK_FORMAT_R8G8B8A8_SRGB: return 4; |
| case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: return 8; |
| case VK_FORMAT_BC1_RGB_UNORM_BLOCK: return 8; |
| case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: return 8; |
| case VK_FORMAT_R16_UNORM: return 2; |
| case VK_FORMAT_R16G16_UNORM: return 4; |
| case VK_FORMAT_R16G16B16A16_UNORM: return 8; |
| case VK_FORMAT_R16G16_SFLOAT: return 4; |
| // Currently we are just over estimating this value to be used in gpu size calculations even |
| // though the actually size is probably less. We should instead treat planar formats similar |
| // to compressed textures that go through their own special query for calculating size. |
| case VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM: return 3; |
| case VK_FORMAT_G8_B8R8_2PLANE_420_UNORM: return 3; |
| case VK_FORMAT_S8_UINT: return 1; |
| case VK_FORMAT_D24_UNORM_S8_UINT: return 4; |
| case VK_FORMAT_D32_SFLOAT_S8_UINT: return 8; |
| |
| default: return 0; |
| } |
| } |
| |
| static constexpr int VkFormatStencilBits(VkFormat format) { |
| switch (format) { |
| case VK_FORMAT_S8_UINT: |
| return 8; |
| case VK_FORMAT_D24_UNORM_S8_UINT: |
| return 8; |
| case VK_FORMAT_D32_SFLOAT_S8_UINT: |
| return 8; |
| default: |
| return 0; |
| } |
| } |
| |
| static constexpr bool VkFormatNeedsYcbcrSampler(VkFormat format) { |
| return format == VK_FORMAT_G8_B8R8_2PLANE_420_UNORM || |
| format == VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM; |
| } |
| |
| static constexpr bool SampleCountToVkSampleCount(uint32_t samples, |
| VkSampleCountFlagBits* vkSamples) { |
| SkASSERT(samples >= 1); |
| switch (samples) { |
| case 1: |
| *vkSamples = VK_SAMPLE_COUNT_1_BIT; |
| return true; |
| case 2: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 4: |
| *vkSamples = VK_SAMPLE_COUNT_4_BIT; |
| return true; |
| case 8: |
| *vkSamples = VK_SAMPLE_COUNT_8_BIT; |
| return true; |
| case 16: |
| *vkSamples = VK_SAMPLE_COUNT_16_BIT; |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Returns true if the format is compressed. |
| */ |
| static constexpr bool VkFormatIsCompressed(VkFormat vkFormat) { |
| switch (vkFormat) { |
| case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: |
| case VK_FORMAT_BC1_RGB_UNORM_BLOCK: |
| case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: |
| return true; |
| default: |
| return false; |
| } |
| SkUNREACHABLE; |
| } |
| |
| |
| #if defined(SK_DEBUG) || GR_TEST_UTILS |
| static constexpr const char* VkFormatToStr(VkFormat vkFormat) { |
| switch (vkFormat) { |
| case VK_FORMAT_R8G8B8A8_UNORM: return "R8G8B8A8_UNORM"; |
| case VK_FORMAT_R8_UNORM: return "R8_UNORM"; |
| case VK_FORMAT_B8G8R8A8_UNORM: return "B8G8R8A8_UNORM"; |
| case VK_FORMAT_R5G6B5_UNORM_PACK16: return "R5G6B5_UNORM_PACK16"; |
| case VK_FORMAT_R16G16B16A16_SFLOAT: return "R16G16B16A16_SFLOAT"; |
| case VK_FORMAT_R16_SFLOAT: return "R16_SFLOAT"; |
| case VK_FORMAT_R8G8B8_UNORM: return "R8G8B8_UNORM"; |
| case VK_FORMAT_R8G8_UNORM: return "R8G8_UNORM"; |
| case VK_FORMAT_A2B10G10R10_UNORM_PACK32: return "A2B10G10R10_UNORM_PACK32"; |
| case VK_FORMAT_A2R10G10B10_UNORM_PACK32: return "A2R10G10B10_UNORM_PACK32"; |
| case VK_FORMAT_B4G4R4A4_UNORM_PACK16: return "B4G4R4A4_UNORM_PACK16"; |
| case VK_FORMAT_R4G4B4A4_UNORM_PACK16: return "R4G4B4A4_UNORM_PACK16"; |
| case VK_FORMAT_R32G32B32A32_SFLOAT: return "R32G32B32A32_SFLOAT"; |
| case VK_FORMAT_R8G8B8A8_SRGB: return "R8G8B8A8_SRGB"; |
| case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: return "ETC2_R8G8B8_UNORM_BLOCK"; |
| case VK_FORMAT_BC1_RGB_UNORM_BLOCK: return "BC1_RGB_UNORM_BLOCK"; |
| case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: return "BC1_RGBA_UNORM_BLOCK"; |
| case VK_FORMAT_R16_UNORM: return "R16_UNORM"; |
| case VK_FORMAT_R16G16_UNORM: return "R16G16_UNORM"; |
| case VK_FORMAT_R16G16B16A16_UNORM: return "R16G16B16A16_UNORM"; |
| case VK_FORMAT_R16G16_SFLOAT: return "R16G16_SFLOAT"; |
| case VK_FORMAT_S8_UINT: return "S8_UINT"; |
| case VK_FORMAT_D24_UNORM_S8_UINT: return "D24_UNORM_S8_UINT"; |
| case VK_FORMAT_D32_SFLOAT_S8_UINT: return "D32_SFLOAT_S8_UINT"; |
| |
| default: return "Unknown"; |
| } |
| } |
| #endif // defined(SK_DEBUG) || GR_TEST_UTILS |
| |
| } // namespace skgpu |
| |
| #endif // skgpu_VulkanUtilsPriv_DEFINED |