| // |
| // Copyright 2016 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // vk_format_utils: |
| // Helper for Vulkan format code. |
| |
| #ifndef LIBANGLE_RENDERER_VULKAN_VK_FORMAT_UTILS_H_ |
| #define LIBANGLE_RENDERER_VULKAN_VK_FORMAT_UTILS_H_ |
| |
| #include <vulkan/vulkan.h> |
| |
| #include "libANGLE/formatutils.h" |
| #include "libANGLE/renderer/Format.h" |
| #include "libANGLE/renderer/copyvertex.h" |
| #include "libANGLE/renderer/renderer_utils.h" |
| |
| #include <array> |
| |
| namespace gl |
| { |
| class TextureCapsMap; |
| } // namespace gl |
| |
| namespace rx |
| { |
| |
| namespace vk |
| { |
| |
| void GetFormatProperties(VkPhysicalDevice physicalDevice, |
| VkFormat vkFormat, |
| VkFormatProperties *propertiesOut); |
| |
| struct TextureFormatInitInfo final |
| { |
| angle::FormatID format; |
| VkFormat vkFormat; |
| InitializeTextureDataFunction initializer; |
| }; |
| |
| struct BufferFormatInitInfo final |
| { |
| angle::FormatID format; |
| VkFormat vkFormat; |
| bool vkFormatIsPacked; |
| VertexCopyFunction vertexLoadFunction; |
| bool vertexLoadRequiresConversion; |
| }; |
| |
| struct Format final : private angle::NonCopyable |
| { |
| Format(); |
| |
| bool valid() const { return internalFormat != 0; } |
| |
| // This is an auto-generated method in vk_format_table_autogen.cpp. |
| void initialize(VkPhysicalDevice physicalDevice, const angle::Format &angleFormat); |
| |
| void initTextureFallback(VkPhysicalDevice physicalDevice, |
| const TextureFormatInitInfo *info, |
| int numInfo); |
| void initBufferFallback(VkPhysicalDevice physicalDevice, |
| const BufferFormatInitInfo *info, |
| int numInfo); |
| |
| const angle::Format &angleFormat() const; |
| const angle::Format &textureFormat() const; |
| const angle::Format &bufferFormat() const; |
| |
| angle::FormatID angleFormatID; |
| GLenum internalFormat; |
| angle::FormatID textureFormatID; |
| VkFormat vkTextureFormat; |
| angle::FormatID bufferFormatID; |
| VkFormat vkBufferFormat; |
| bool vkBufferFormatIsPacked; |
| InitializeTextureDataFunction textureInitializerFunction; |
| LoadFunctionMap textureLoadFunctions; |
| VertexCopyFunction vertexLoadFunction; |
| bool vertexLoadRequiresConversion; |
| }; |
| |
| bool operator==(const Format &lhs, const Format &rhs); |
| bool operator!=(const Format &lhs, const Format &rhs); |
| |
| class FormatTable final : angle::NonCopyable |
| { |
| public: |
| FormatTable(); |
| ~FormatTable(); |
| |
| // Also initializes the TextureCapsMap and the compressedTextureCaps in the Caps instance. |
| void initialize(VkPhysicalDevice physicalDevice, |
| gl::TextureCapsMap *outTextureCapsMap, |
| std::vector<GLenum> *outCompressedTextureFormats); |
| |
| const Format &operator[](GLenum internalFormat) const; |
| const Format &operator[](angle::FormatID formatID) const; |
| |
| private: |
| // The table data is indexed by angle::FormatID. |
| std::array<Format, angle::kNumANGLEFormats> mFormatData; |
| }; |
| |
| // This will return a reference to a VkFormatProperties with the feature flags supported |
| // if the format is a mandatory format described in section 31.3.3. Required Format Support |
| // of the Vulkan spec. If the vkFormat isn't mandatory, it will return a VkFormatProperties |
| // initialized to 0. |
| const VkFormatProperties &GetMandatoryFormatSupport(VkFormat vkFormat); |
| |
| } // namespace vk |
| |
| // Returns the alignment for a buffer to be used with the vertex input stage in Vulkan. This |
| // calculation is listed in the Vulkan spec at the end of the section 'Vertex Input Description'. |
| size_t GetVertexInputAlignment(const vk::Format &format); |
| } // namespace rx |
| |
| #endif // LIBANGLE_RENDERER_VULKAN_VK_FORMAT_UTILS_H_ |