799 lines
25 KiB
C++
799 lines
25 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#include "GPUTexture.h"
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#include "GPUTextureDescription.h"
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#include "TextureData.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Core/Types/String.h"
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#include "Engine/Core/Math/Vector3.h"
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#include "Engine/Threading/Threading.h"
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#include "Engine/Graphics/Config.h"
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#include "Engine/Graphics/Async/Tasks/GPUCopyResourceTask.h"
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#include "Engine/Graphics/Async/Tasks/GPUUploadTextureMipTask.h"
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#include "Engine/Graphics/RenderTools.h"
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#include "Engine/Graphics/PixelFormatExtensions.h"
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#include "Engine/Graphics/GPULimits.h"
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#include "Engine/Threading/ThreadPoolTask.h"
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#include "Engine/Graphics/GPUDevice.h"
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namespace
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{
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int32 CalculateMipMapCount(int32 requestedLevel, int32 width)
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{
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//int32 size = width;
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//int32 maxMipMap = 1 + Math::CeilToInt(Math::Log(size) / Math::Log(2.0));
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//return requestedLevel == 0 ? maxMipMap : Math::Min(requestedLevel, maxMipMap);
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if (requestedLevel == 0)
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requestedLevel = GPU_MAX_TEXTURE_MIP_LEVELS;
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int32 maxMipMap = 1;
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while (width > 1)
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{
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width >>= 1;
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maxMipMap++;
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}
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return Math::Min(requestedLevel, maxMipMap);
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}
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}
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const Char* ToString(TextureDimensions value)
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{
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const Char* result;
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switch (value)
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{
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case TextureDimensions::Texture:
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result = TEXT("Texture");
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break;
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case TextureDimensions::VolumeTexture:
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result = TEXT("VolumeTexture");
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break;
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case TextureDimensions::CubeTexture:
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result = TEXT("CubeTexture");
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break;
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default:
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result = TEXT("");
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}
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return result;
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}
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GPUTextureDescription GPUTextureDescription::New1D(int32 width, PixelFormat format, GPUTextureFlags textureFlags, int32 mipCount, int32 arraySize)
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{
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GPUTextureDescription desc;
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desc.Dimensions = TextureDimensions::Texture;
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desc.Width = width;
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desc.Height = 1;
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desc.Depth = 1;
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desc.ArraySize = arraySize;
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desc.MipLevels = CalculateMipMapCount(mipCount, width);
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desc.Format = format;
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desc.MultiSampleLevel = MSAALevel::None;
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desc.Flags = textureFlags;
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desc.Usage = GPUResourceUsage::Default;
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desc.DefaultClearColor = Color::Black;
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return desc;
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}
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GPUTextureDescription GPUTextureDescription::New2D(int32 width, int32 height, PixelFormat format, GPUTextureFlags textureFlags, int32 mipCount, int32 arraySize, MSAALevel msaaLevel)
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{
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GPUTextureDescription desc;
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desc.Dimensions = TextureDimensions::Texture;
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desc.Width = width;
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desc.Height = height;
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desc.Depth = 1;
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desc.ArraySize = arraySize;
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desc.MipLevels = CalculateMipMapCount(mipCount, Math::Max(width, height));
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desc.Format = format;
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desc.MultiSampleLevel = msaaLevel;
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desc.Flags = textureFlags;
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desc.DefaultClearColor = Color::Black;
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desc.Usage = GPUResourceUsage::Default;
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return desc;
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}
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GPUTextureDescription GPUTextureDescription::New3D(const Vector3& size, PixelFormat format, GPUTextureFlags textureFlags)
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{
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return New3D((int32)size.X, (int32)size.Y, (int32)size.Z, 1, format, textureFlags);
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}
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GPUTextureDescription GPUTextureDescription::New3D(int32 width, int32 height, int32 depth, PixelFormat format, GPUTextureFlags textureFlags, int32 mipCount)
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{
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GPUTextureDescription desc;
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desc.Dimensions = TextureDimensions::VolumeTexture;
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desc.Width = width;
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desc.Height = height;
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desc.Depth = depth;
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desc.ArraySize = 1;
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desc.MipLevels = CalculateMipMapCount(mipCount, Math::Max(width, height, depth));
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desc.Format = format;
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desc.MultiSampleLevel = MSAALevel::None;
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desc.Flags = textureFlags;
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desc.DefaultClearColor = Color::Black;
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desc.Usage = GPUResourceUsage::Default;
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return desc;
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}
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GPUTextureDescription GPUTextureDescription::NewCube(int32 size, PixelFormat format, GPUTextureFlags textureFlags, int32 mipCount)
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{
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auto desc = New2D(size, size, format, textureFlags, mipCount, 6, MSAALevel::None);
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desc.Dimensions = TextureDimensions::CubeTexture;
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return desc;
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}
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void GPUTextureDescription::Clear()
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{
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Platform::MemoryClear(this, sizeof(GPUTextureDescription));
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MultiSampleLevel = MSAALevel::None;
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}
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GPUTextureDescription GPUTextureDescription::ToStagingUpload() const
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{
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auto copy = *this;
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copy.Flags = GPUTextureFlags::None;
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copy.Usage = GPUResourceUsage::StagingUpload;
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return copy;
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}
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GPUTextureDescription GPUTextureDescription::ToStagingReadback() const
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{
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auto copy = *this;
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copy.Flags = GPUTextureFlags::None;
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copy.Usage = GPUResourceUsage::StagingReadback;
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return copy;
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}
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bool GPUTextureDescription::Equals(const GPUTextureDescription& other) const
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{
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return Dimensions == other.Dimensions
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&& Width == other.Width
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&& Height == other.Height
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&& Depth == other.Depth
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&& ArraySize == other.ArraySize
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&& MipLevels == other.MipLevels
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&& Format == other.Format
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&& MultiSampleLevel == other.MultiSampleLevel
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&& Flags == other.Flags
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&& Usage == other.Usage
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&& Color::NearEqual(DefaultClearColor, other.DefaultClearColor);
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}
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String GPUTextureDescription::ToString() const
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{
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// TODO: add tool to Format to string
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String flags;
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if (Flags == GPUTextureFlags::None)
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{
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flags = TEXT("None");
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}
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else
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{
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// TODO: create tool to auto convert flag enums to string
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#define CONVERT_FLAGS_FLAGS_2_STR(value) if(Flags & GPUTextureFlags::value) { if (flags.HasChars()) flags += TEXT('|'); flags += TEXT(#value); }
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CONVERT_FLAGS_FLAGS_2_STR(ShaderResource);
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CONVERT_FLAGS_FLAGS_2_STR(RenderTarget);
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CONVERT_FLAGS_FLAGS_2_STR(UnorderedAccess);
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CONVERT_FLAGS_FLAGS_2_STR(DepthStencil);
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CONVERT_FLAGS_FLAGS_2_STR(PerMipViews);
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CONVERT_FLAGS_FLAGS_2_STR(PerSliceViews);
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CONVERT_FLAGS_FLAGS_2_STR(ReadOnlyDepthView);
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CONVERT_FLAGS_FLAGS_2_STR(BackBuffer);
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#undef CONVERT_FLAGS_FLAGS_2_STR
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}
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return String::Format(TEXT("Size: {0}x{1}x{2}[{3}], Type: {4}, Mips: {5}, Format: {6}, MSAA: {7}, Flags: {8}, Usage: {9}"),
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Width,
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Height,
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Depth,
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ArraySize,
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::ToString(Dimensions),
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MipLevels,
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(int32)Format,
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::ToString(MultiSampleLevel),
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flags,
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(int32)Usage);
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}
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uint32 GetHash(const GPUTextureDescription& key)
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{
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uint32 hashCode = key.Width;
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hashCode = (hashCode * 397) ^ key.Height;
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hashCode = (hashCode * 397) ^ key.Depth;
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hashCode = (hashCode * 397) ^ key.ArraySize;
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hashCode = (hashCode * 397) ^ (uint32)key.Dimensions;
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hashCode = (hashCode * 397) ^ key.MipLevels;
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hashCode = (hashCode * 397) ^ (uint32)key.Format;
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hashCode = (hashCode * 397) ^ (uint32)key.MultiSampleLevel;
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hashCode = (hashCode * 397) ^ (uint32)key.Flags;
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hashCode = (hashCode * 397) ^ (uint32)key.Usage;
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hashCode = (hashCode * 397) ^ key.DefaultClearColor.GetHashCode();
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return hashCode;
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}
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GPUTexture* GPUTexture::Spawn(const SpawnParams& params)
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{
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return GPUDevice::Instance->CreateTexture(String::Empty);
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}
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GPUTexture* GPUTexture::New()
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{
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return GPUDevice::Instance->CreateTexture(String::Empty);
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}
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GPUTexture::GPUTexture()
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: GPUResource(SpawnParams(Guid::New(), GPUTexture::TypeInitializer))
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, _residentMipLevels(0)
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, _sRGB(false)
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, _isBlockCompressed(false)
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{
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// Keep description data clear (we use _desc.MipLevels to check if it's has been initated)
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_desc.Clear();
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}
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Vector2 GPUTexture::Size() const
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{
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return Vector2(static_cast<float>(_desc.Width), static_cast<float>(_desc.Height));
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}
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Vector3 GPUTexture::Size3() const
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{
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return Vector3(static_cast<float>(_desc.Width), static_cast<float>(_desc.Height), static_cast<float>(_desc.Depth));
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}
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bool GPUTexture::IsPowerOfTwo() const
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{
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return Math::IsPowerOfTwo(_desc.Width) && Math::IsPowerOfTwo(_desc.Height);
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}
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void GPUTexture::GetMipSize(int32 mipLevelIndex, int32& mipWidth, int32& mipHeight) const
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{
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ASSERT(mipLevelIndex >= 0 && mipLevelIndex < MipLevels());
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mipWidth = Math::Max(1, Width() >> mipLevelIndex);
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mipHeight = Math::Max(1, Height() >> mipLevelIndex);
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}
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void GPUTexture::GetMipSize(int32 mipLevelIndex, int32& mipWidth, int32& mipHeight, int32& mipDepth) const
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{
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ASSERT(mipLevelIndex >= 0 && mipLevelIndex < MipLevels());
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mipWidth = Math::Max(1, Width() >> mipLevelIndex);
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mipHeight = Math::Max(1, Height() >> mipLevelIndex);
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mipDepth = Math::Max(1, Depth() >> mipLevelIndex);
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}
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void GPUTexture::GetResidentSize(int32& width, int32& height) const
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{
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// Check if texture isn't loaded
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if (_residentMipLevels <= 0)
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{
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width = height = 0;
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return;
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}
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const int32 mipIndex = _desc.MipLevels - _residentMipLevels;
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width = Width() >> mipIndex;
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height = Height() >> mipIndex;
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}
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void GPUTexture::GetResidentSize(int32& width, int32& height, int32& depth) const
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{
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// Check if texture isn't loaded
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if (_residentMipLevels <= 0)
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{
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width = height = depth = 0;
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return;
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}
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const int32 mipIndex = _desc.MipLevels - _residentMipLevels;
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width = Width() >> mipIndex;
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height = Height() >> mipIndex;
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depth = Depth() >> mipIndex;
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}
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uint32 GPUTexture::RowPitch(int32 mipIndex) const
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{
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uint32 rowPitch, slicePitch;
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ComputePitch(mipIndex, rowPitch, slicePitch);
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return rowPitch;
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}
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uint32 GPUTexture::SlicePitch(int32 mipIndex) const
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{
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uint32 rowPitch, slicePitch;
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ComputePitch(mipIndex, rowPitch, slicePitch);
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return slicePitch;
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}
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void GPUTexture::ComputePitch(int32 mipIndex, uint32& rowPitch, uint32& slicePitch) const
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{
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int32 mipWidth, mipHeight;
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GetMipSize(mipIndex, mipWidth, mipHeight);
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RenderTools::ComputePitch(Format(), mipWidth, mipHeight, rowPitch, slicePitch);
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}
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int32 GPUTexture::CalculateMipSize(int32 size, int32 mipLevel) const
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{
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mipLevel = Math::Min(mipLevel, MipLevels());
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return Math::Max(1, size >> mipLevel);
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}
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int32 GPUTexture::ComputeSubresourceSize(int32 subresource, int32 rowAlign, int32 sliceAlign) const
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{
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const int32 mipLevel = subresource % MipLevels();
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const int32 slicePitch = ComputeSlicePitch(mipLevel, rowAlign);
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const int32 depth = CalculateMipSize(Depth(), mipLevel);
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return Math::AlignUp<int32>(slicePitch * depth, sliceAlign);
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}
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int32 GPUTexture::ComputeBufferOffset(int32 subresource, int32 rowAlign, int32 sliceAlign) const
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{
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int32 offset = 0;
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for (int32 i = 0; i < subresource; i++)
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{
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offset += ComputeSubresourceSize(i, rowAlign, sliceAlign);
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}
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return offset;
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}
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int32 GPUTexture::ComputeBufferTotalSize(int32 rowAlign, int32 sliceAlign) const
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{
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int32 result = 0;
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for (int32 mipLevel = 0; mipLevel < MipLevels(); mipLevel++)
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{
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const int32 slicePitch = ComputeSlicePitch(mipLevel, rowAlign);
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const int32 depth = CalculateMipSize(Depth(), mipLevel);
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result += Math::AlignUp<int32>(slicePitch * depth, sliceAlign);
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}
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return result * ArraySize();
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}
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int32 GPUTexture::ComputeSlicePitch(int32 mipLevel, int32 rowAlign) const
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{
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return ComputeRowPitch(mipLevel, rowAlign) * CalculateMipSize(Height(), mipLevel);
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}
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int32 GPUTexture::ComputeRowPitch(int32 mipLevel, int32 rowAlign) const
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{
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const int32 formatSize = PixelFormatExtensions::SizeInBytes(Format());
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return Math::AlignUp<int32>(CalculateMipSize(Width(), mipLevel) * formatSize, rowAlign);
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}
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bool GPUTexture::Init(const GPUTextureDescription& desc)
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{
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ASSERT(Math::IsInRange(desc.Width, 1, GPU_MAX_TEXTURE_SIZE)
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&& Math::IsInRange(desc.Height, 1, GPU_MAX_TEXTURE_SIZE)
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&& Math::IsInRange(desc.Depth, 1, GPU_MAX_TEXTURE_SIZE)
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&& Math::IsInRange(desc.ArraySize, 1, GPU_MAX_TEXTURE_ARRAY_SIZE)
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&& Math::IsInRange(desc.MipLevels, 1, GPU_MAX_TEXTURE_MIP_LEVELS));
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// Validate description
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const auto device = GPUDevice::Instance;
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if (desc.Usage == GPUResourceUsage::Dynamic)
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{
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LOG(Warning, "Cannot create texture. Dynamic textures are not supported. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.IsDepthStencil())
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{
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if (desc.MipLevels > 1)
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{
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LOG(Warning, "Cannot create texture. Depth Stencil texture cannot have mip maps. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.IsRenderTarget())
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{
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LOG(Warning, "Cannot create texture. Depth Stencil texture cannot be used as a Render Target. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.Flags & GPUTextureFlags::ReadOnlyDepthView && !device->Limits.HasReadOnlyDepth)
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{
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LOG(Warning, "Cannot create texture. The current graphics platform does not support read-only Depth Stencil texture. Description: {0}", desc.ToString());
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return true;
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}
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}
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else
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{
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if (desc.Flags & GPUTextureFlags::ReadOnlyDepthView)
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{
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LOG(Warning, "Cannot create texture. Cannot create read-only Depth Stencil texture that is not a Depth Stencil texture. Add DepthStencil flag. Description: {0}", desc.ToString());
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return true;
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}
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}
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if (desc.HasPerMipViews() && !(desc.IsShaderResource() || desc.IsRenderTarget()))
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{
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LOG(Warning, "Cannot create texture. Depth Stencil texture cannot have mip maps. Description: {0}", desc.ToString());
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return true;
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}
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switch (desc.Dimensions)
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{
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case TextureDimensions::Texture:
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{
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if (desc.HasPerSliceViews())
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{
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LOG(Warning, "Cannot create texture. Texture cannot have per slice views. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.Width > device->Limits.MaximumTexture2DSize
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|| desc.Height > device->Limits.MaximumTexture2DSize
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|| desc.ArraySize > device->Limits.MaximumTexture2DArraySize)
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{
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LOG(Warning, "Cannot create texture. Invalid dimensions. Description: {0}", desc.ToString());
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return true;
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}
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break;
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}
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case TextureDimensions::VolumeTexture:
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{
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if (desc.IsDepthStencil())
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{
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LOG(Warning, "Cannot create texture. Only 2D Texture can be used as a Depth Stencil. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.MipLevels != 1)
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{
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LOG(Warning, "Cannot create texture. Volume texture cannot have more than 1 mip level. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.ArraySize != 1)
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{
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LOG(Warning, "Cannot create texture. Volume texture cannot create array of volume textures. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.MultiSampleLevel != MSAALevel::None)
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{
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LOG(Warning, "Cannot create texture. Volume texture cannot use multi-sampling. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.HasPerMipViews())
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{
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LOG(Warning, "Cannot create texture. Volume texture cannot have per mip map views. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.HasPerMipViews() && desc.IsRenderTarget() == false)
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{
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LOG(Warning, "Cannot create texture. Volume texture cannot have per slice map views if is not a render target. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.Width > device->Limits.MaximumTexture3DSize
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|| desc.Height > device->Limits.MaximumTexture3DSize
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|| desc.Depth > device->Limits.MaximumTexture3DSize)
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{
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LOG(Warning, "Cannot create texture. Invalid dimensions. Description: {0}", desc.ToString());
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return true;
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}
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break;
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}
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case TextureDimensions::CubeTexture:
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{
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if (desc.HasPerSliceViews())
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{
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LOG(Warning, "Cannot create texture. Cube texture cannot have per slice views. Description: {0}", desc.ToString());
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return true;
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}
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if (desc.Width > device->Limits.MaximumTextureCubeSize
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|| desc.Height > device->Limits.MaximumTextureCubeSize
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|| desc.ArraySize * 6 > device->Limits.MaximumTexture2DArraySize
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|| desc.Width != desc.Height)
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{
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LOG(Warning, "Cannot create texture. Invalid dimensions. Description: {0}", desc.ToString());
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return true;
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}
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|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Release previous data
|
|
ReleaseGPU();
|
|
|
|
// Initialize
|
|
_desc = desc;
|
|
_sRGB = PixelFormatExtensions::IsSRGB(desc.Format);
|
|
_isBlockCompressed = PixelFormatExtensions::IsCompressed(desc.Format);
|
|
if (OnInit())
|
|
{
|
|
ReleaseGPU();
|
|
LOG(Warning, "Cannot initialize texture. Description: {0}", desc.ToString());
|
|
return true;
|
|
}
|
|
|
|
// Render targets and depth buffers doesn't support normal textures streaming and are considered to be always resident
|
|
if (IsRegularTexture() == false)
|
|
{
|
|
_residentMipLevels = MipLevels();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
GPUTexture* GPUTexture::ToStagingReadback() const
|
|
{
|
|
const auto desc = _desc.ToStagingReadback();
|
|
ScopeLock gpuLock(GPUDevice::Instance->Locker);
|
|
auto* staging = GPUDevice::Instance->CreateTexture(TEXT("Staging.Readback"));
|
|
if (staging->Init(desc))
|
|
{
|
|
Delete(staging);
|
|
return nullptr;
|
|
}
|
|
return staging;
|
|
}
|
|
|
|
GPUTexture* GPUTexture::ToStagingUpload() const
|
|
{
|
|
const auto desc = _desc.ToStagingUpload();
|
|
ScopeLock gpuLock(GPUDevice::Instance->Locker);
|
|
auto* staging = GPUDevice::Instance->CreateTexture(TEXT("Staging.Upload"));
|
|
if (staging->Init(desc))
|
|
{
|
|
Delete(staging);
|
|
return nullptr;
|
|
}
|
|
return staging;
|
|
}
|
|
|
|
bool GPUTexture::Resize(int32 width, int32 height, int32 depth)
|
|
{
|
|
// Validate texture is created
|
|
if (!IsAllocated())
|
|
{
|
|
LOG(Warning, "Cannot resize not created textures.");
|
|
return true;
|
|
}
|
|
|
|
auto desc = GetDescription();
|
|
|
|
// Skip if size won't change
|
|
if (desc.Width == width && desc.Height == height && desc.Depth == depth)
|
|
return false;
|
|
|
|
desc.Width = width;
|
|
desc.Height = height;
|
|
desc.Depth = depth;
|
|
|
|
// Recreate
|
|
return Init(desc);
|
|
}
|
|
|
|
uint64 GPUTexture::calculateMemoryUsage() const
|
|
{
|
|
return CalculateTextureMemoryUsage(Format(), Width(), Height(), Depth(), MipLevels()) * ArraySize();
|
|
}
|
|
|
|
String GPUTexture::ToString() const
|
|
{
|
|
#if GPU_ENABLE_RESOURCE_NAMING
|
|
return String::Format(TEXT("Texture {0}, Residency: {1}, Name: {2}"), _desc.ToString(), _residentMipLevels, GetName());
|
|
#else
|
|
return TEXT("Texture");
|
|
#endif
|
|
}
|
|
|
|
GPUResource::ResourceType GPUTexture::GetResourceType() const
|
|
{
|
|
if (IsVolume())
|
|
return ResourceType::VolumeTexture;
|
|
if (IsCubeMap())
|
|
return ResourceType::CubeTexture;
|
|
return IsRegularTexture() ? ResourceType::Texture : ResourceType::RenderTarget;
|
|
}
|
|
|
|
GPUResource::ObjectType GPUTexture::GetObjectType() const
|
|
{
|
|
return ObjectType::Texture;
|
|
}
|
|
|
|
void GPUTexture::OnReleaseGPU()
|
|
{
|
|
_desc.Clear();
|
|
_residentMipLevels = 0;
|
|
}
|
|
|
|
GPUTask* GPUTexture::UploadMipMapAsync(const BytesContainer& data, int32 mipIndex)
|
|
{
|
|
ASSERT(IsRegularTexture() && IsAllocated());
|
|
//ASSERT(Math::IsInRange(mipIndex, HighestResidentMipIndex() - 1, MipLevels() - 1) && mipIndex < MipLevels() && data.IsValid());
|
|
ASSERT(mipIndex < MipLevels() && data.IsValid());
|
|
ASSERT(data.Length() == SlicePitch(mipIndex) * ArraySize());
|
|
|
|
// Create task
|
|
auto task = ::New<GPUUploadTextureMipTask>(this, mipIndex, data, false);
|
|
ASSERT(task && task->HasReference(this));
|
|
|
|
return task;
|
|
}
|
|
|
|
class TextureDownloadDataTask : public ThreadPoolTask
|
|
{
|
|
private:
|
|
|
|
GPUTextureReference _texture;
|
|
GPUTexture* _staging;
|
|
TextureData* _data;
|
|
bool _deleteStaging;
|
|
|
|
public:
|
|
|
|
TextureDownloadDataTask(GPUTexture* texture, GPUTexture* staging, TextureData& data)
|
|
: _texture(texture)
|
|
, _staging(staging)
|
|
, _data(&data)
|
|
{
|
|
_deleteStaging = texture != staging;
|
|
}
|
|
|
|
~TextureDownloadDataTask()
|
|
{
|
|
if (_deleteStaging && _staging)
|
|
_staging->DeleteObjectNow();
|
|
}
|
|
|
|
public:
|
|
|
|
// [ThreadPoolTask]
|
|
bool HasReference(Object* resource) const override
|
|
{
|
|
return _texture == resource || _staging == resource;
|
|
}
|
|
|
|
protected:
|
|
|
|
// [ThreadPoolTask]
|
|
bool Run() override
|
|
{
|
|
auto texture = _texture.Get();
|
|
if (texture == nullptr || _staging == nullptr || _data == nullptr)
|
|
{
|
|
LOG(Warning, "Cannot download texture data. Missing objects.");
|
|
return true;
|
|
}
|
|
return _staging->DownloadData(*_data);
|
|
}
|
|
|
|
void OnEnd() override
|
|
{
|
|
_texture.Unlink();
|
|
|
|
// Base
|
|
ThreadPoolTask::OnEnd();
|
|
}
|
|
};
|
|
|
|
bool GPUTexture::DownloadData(TextureData& result)
|
|
{
|
|
// Skip for empty ones
|
|
if (MipLevels() == 0)
|
|
{
|
|
LOG(Warning, "Cannot download GPU texture data from an empty texture.");
|
|
return true;
|
|
}
|
|
if (Depth() != 1)
|
|
{
|
|
MISSING_CODE("support volume texture data downloading.");
|
|
}
|
|
|
|
// Use faster path for staging resources
|
|
if (IsStaging())
|
|
{
|
|
const auto arraySize = ArraySize();
|
|
const auto mipLevels = MipLevels();
|
|
|
|
// Set texture info
|
|
result.Width = Width();
|
|
result.Height = Height();
|
|
result.Depth = Depth();
|
|
result.Format = Format();
|
|
|
|
// Get all mip maps for each array slice
|
|
auto& rawResultData = result.Items;
|
|
rawResultData.Resize(arraySize, false);
|
|
for (int32 arrayIndex = 0; arrayIndex < arraySize; arrayIndex++)
|
|
{
|
|
auto& arraySlice = rawResultData[arrayIndex];
|
|
arraySlice.Mips.Resize(mipLevels);
|
|
|
|
for (int32 mipMapIndex = 0; mipMapIndex < mipLevels; mipMapIndex++)
|
|
{
|
|
auto& mip = arraySlice.Mips[mipMapIndex];
|
|
const int32 mipWidth = result.Width >> mipMapIndex;
|
|
const int32 mipHeight = result.Height >> mipMapIndex;
|
|
uint32 mipRowPitch, mipSlicePitch;
|
|
RenderTools::ComputePitch(result.Format, mipWidth, mipHeight, mipRowPitch, mipSlicePitch);
|
|
|
|
// Gather data
|
|
if (GetData(arrayIndex, mipMapIndex, mip, mipRowPitch))
|
|
{
|
|
LOG(Warning, "Staging resource of \'{0}\' get data failed.", ToString());
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const auto name = ToString();
|
|
|
|
// Ensure not running on main thread - we support DownloadData from textures only on a worker threads (Thread Pool Workers or Content Loaders)
|
|
if (IsInMainThread())
|
|
{
|
|
LOG(Warning, "Downloading GPU texture data from the main thread is not supported.");
|
|
return true;
|
|
}
|
|
|
|
// Create async task
|
|
auto task = DownloadDataAsync(result);
|
|
if (task == nullptr)
|
|
{
|
|
LOG(Warning, "Cannot create async download task for resource {0}.", name);
|
|
return true;
|
|
}
|
|
|
|
// Wait for work to be done
|
|
task->Start();
|
|
if (task->Wait())
|
|
{
|
|
LOG(Warning, "Resource \'{0}\' copy failed.", name);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
Task* GPUTexture::DownloadDataAsync(TextureData& result)
|
|
{
|
|
// Skip for empty ones
|
|
if (MipLevels() == 0)
|
|
{
|
|
LOG(Warning, "Cannot download texture data. It has not ben created yet.");
|
|
return nullptr;
|
|
}
|
|
if (Depth() != 1)
|
|
{
|
|
MISSING_CODE("support volume texture data downloading.");
|
|
}
|
|
|
|
// Use faster path for staging resources
|
|
if (IsStaging())
|
|
{
|
|
// Create task to copy downloaded data to TextureData container
|
|
auto getDataTask = ::New<TextureDownloadDataTask>(this, this, result);
|
|
ASSERT(getDataTask->HasReference(this));
|
|
return getDataTask;
|
|
}
|
|
|
|
// Create the staging resource
|
|
const auto staging = ToStagingReadback();
|
|
if (staging == nullptr)
|
|
{
|
|
LOG(Error, "Cannot create staging resource from {0}.", ToString());
|
|
return nullptr;
|
|
}
|
|
|
|
// Create async resource copy task
|
|
auto copyTask = ::New<GPUCopyResourceTask>(this, staging);
|
|
ASSERT(copyTask->HasReference(this) && copyTask->HasReference(staging));
|
|
|
|
// Create task to copy downloaded data to TextureData container
|
|
auto getDataTask = ::New<TextureDownloadDataTask>(this, staging, result);
|
|
ASSERT(getDataTask->HasReference(this) && getDataTask->HasReference(staging));
|
|
|
|
// Set continuation
|
|
copyTask->ContinueWith(getDataTask);
|
|
|
|
return copyTask;
|
|
}
|
|
|
|
void GPUTexture::SetResidentMipLevels(int32 count)
|
|
{
|
|
ASSERT(IsRegularTexture() && IsAllocated());
|
|
ASSERT(Math::IsInRange(count, 0, MipLevels()));
|
|
|
|
_residentMipLevels = count;
|
|
onResidentMipsChanged();
|
|
}
|