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chromium / angle / angle / refs/heads/chromium/4229 / . / src / libANGLE / renderer / vulkan / TextureVk.cpp
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//
// 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.
//
// TextureVk.cpp:
// Implements the class methods for TextureVk.
//
#include "libANGLE/renderer/vulkan/TextureVk.h"
#include <vulkan/vulkan.h>
#include "common/debug.h"
#include "image_util/generatemip.inc"
#include "libANGLE/Config.h"
#include "libANGLE/Context.h"
#include "libANGLE/Image.h"
#include "libANGLE/MemoryObject.h"
#include "libANGLE/Surface.h"
#include "libANGLE/renderer/vulkan/ContextVk.h"
#include "libANGLE/renderer/vulkan/FramebufferVk.h"
#include "libANGLE/renderer/vulkan/ImageVk.h"
#include "libANGLE/renderer/vulkan/MemoryObjectVk.h"
#include "libANGLE/renderer/vulkan/RendererVk.h"
#include "libANGLE/renderer/vulkan/SurfaceVk.h"
#include "libANGLE/renderer/vulkan/vk_format_utils.h"
#include "libANGLE/trace.h"
namespace rx
{
namespace
{
constexpr VkImageUsageFlags kDrawStagingImageFlags = VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
constexpr VkImageUsageFlags kTransferStagingImageFlags =
VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
constexpr VkFormatFeatureFlags kBlitFeatureFlags =
VK_FORMAT_FEATURE_BLIT_SRC_BIT | VK_FORMAT_FEATURE_BLIT_DST_BIT;
constexpr angle::SubjectIndex kTextureImageSubjectIndex = 0;
// Test whether a texture level is within the range of levels for which the current image is
// allocated. This is used to ensure out-of-range updates are staged in the image, and not
// attempted to be directly applied.
bool IsTextureLevelInAllocatedImage(const vk::ImageHelper &image, uint32_t textureLevelIndexGL)
{
uint32_t imageBaseLevel = image.getBaseLevel();
if (textureLevelIndexGL < imageBaseLevel)
{
return false;
}
uint32_t imageLevelIndexVK = textureLevelIndexGL - imageBaseLevel;
return imageLevelIndexVK < image.getLevelCount();
}
// Test whether a redefined texture level is compatible with the currently allocated image. Returns
// true if the given size and format match the corresponding mip in the allocated image (taking
// base level into account). This could return false when:
//
// - Defining a texture level that is outside the range of the image levels. In this case, changes
// to this level should remain staged until the texture is redefined to include this level.
// - Redefining a texture level that is within the range of the image levels, but has a different
// size or format. In this case too, changes to this level should remain staged as the texture
// is no longer complete as is.
bool IsTextureLevelDefinitionCompatibleWithImage(const vk::ImageHelper &image,
uint32_t textureLevelIndexGL,
const gl::Extents &size,
const vk::Format &format)
{
ASSERT(IsTextureLevelInAllocatedImage(image, textureLevelIndexGL));
uint32_t imageLevelIndexVK = textureLevelIndexGL - image.getBaseLevel();
return size == image.getLevelExtents(imageLevelIndexVK) && format == image.getFormat();
}
ANGLE_INLINE bool FormatHasNecessaryFeature(RendererVk *renderer,
VkFormat format,
VkImageTiling tilingMode,
VkFormatFeatureFlags featureBits)
{
return (tilingMode == VK_IMAGE_TILING_OPTIMAL)
? renderer->hasImageFormatFeatureBits(format, featureBits)
: renderer->hasLinearImageFormatFeatureBits(format, featureBits);
}
bool CanCopyWithTransfer(RendererVk *renderer,
const vk::Format &srcFormat,
VkImageTiling srcTilingMode,
const vk::Format &destFormat,
VkImageTiling destTilingMode)
{
// NOTE(syoussefi): technically, you can transfer between formats as long as they have the same
// size and are compatible, but for now, let's just support same-format copies with transfer.
bool isFormatCompatible = srcFormat.internalFormat == destFormat.internalFormat;
bool isTilingCompatible = srcTilingMode == destTilingMode;
bool srcFormatHasNecessaryFeature = FormatHasNecessaryFeature(
renderer, srcFormat.vkImageFormat, srcTilingMode, VK_FORMAT_FEATURE_TRANSFER_SRC_BIT);
bool dstFormatHasNecessaryFeature = FormatHasNecessaryFeature(
renderer, destFormat.vkImageFormat, destTilingMode, VK_FORMAT_FEATURE_TRANSFER_DST_BIT);
return isFormatCompatible && isTilingCompatible && srcFormatHasNecessaryFeature &&
dstFormatHasNecessaryFeature;
}
bool CanCopyWithDraw(RendererVk *renderer,
const vk::Format &srcFormat,
VkImageTiling srcTilingMode,
const vk::Format &destFormat,
VkImageTiling destTilingMode)
{
bool srcFormatHasNecessaryFeature = FormatHasNecessaryFeature(
renderer, srcFormat.vkImageFormat, srcTilingMode, VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT);
bool dstFormatHasNecessaryFeature = FormatHasNecessaryFeature(
renderer, destFormat.vkImageFormat, destTilingMode, VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT);
return srcFormatHasNecessaryFeature && dstFormatHasNecessaryFeature;
}
bool ForceCPUPathForCopy(RendererVk *renderer, const vk::ImageHelper &image)
{
return image.getLayerCount() > 1 && renderer->getFeatures().forceCPUPathForCubeMapCopy.enabled;
}
bool CanGenerateMipmapWithCompute(RendererVk *renderer,
VkImageType imageType,
const vk::Format &format,
GLint samples)
{
const angle::Format &angleFormat = format.actualImageFormat();
if (!renderer->getFeatures().allowGenerateMipmapWithCompute.enabled)
{
return false;
}
// Format must have STORAGE support.
const bool hasStorageSupport = renderer->hasImageFormatFeatureBits(
format.vkImageFormat, VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT);
// No support for sRGB formats yet.
const bool isSRGB =
gl::GetSizedInternalFormatInfo(format.internalFormat).colorEncoding == GL_SRGB;
// No support for integer formats yet.
const bool isInt = angleFormat.isInt();
// Only 2D images are supported.
const bool is2D = imageType == VK_IMAGE_TYPE_2D;
// No support for multisampled images yet.
const bool isMultisampled = samples > 1;
// Only color formats are supported.
const bool isColorFormat = !angleFormat.hasDepthOrStencilBits();
return hasStorageSupport && !isSRGB && !isInt && is2D && !isMultisampled && isColorFormat;
}
void GetRenderTargetLayerCountAndIndex(vk::ImageHelper *image,
const gl::ImageIndex &index,
GLuint *layerCount,
GLuint *layerIndex)
{
switch (index.getType())
{
case gl::TextureType::_2D:
case gl::TextureType::_2DMultisample:
*layerIndex = 0;
*layerCount = 1;
return;
case gl::TextureType::CubeMap:
*layerIndex = index.cubeMapFaceIndex();
*layerCount = gl::kCubeFaceCount;
return;
case gl::TextureType::_3D:
*layerIndex = index.hasLayer() ? index.getLayerIndex() : 0;
*layerCount = image->getExtents().depth;
return;
case gl::TextureType::_2DArray:
case gl::TextureType::_2DMultisampleArray:
*layerIndex = index.hasLayer() ? index.getLayerIndex() : 0;
*layerCount = image->getLayerCount();
return;
default:
UNREACHABLE();
}
}
void Set3DBaseArrayLayerAndLayerCount(VkImageSubresourceLayers *Subresource)
{
// If the srcImage/dstImage parameters are of VkImageType VK_IMAGE_TYPE_3D, the baseArrayLayer
// and layerCount members of the corresponding subresource must be 0 and 1, respectively.
Subresource->baseArrayLayer = 0;
Subresource->layerCount = 1;
}
} // anonymous namespace
// TextureVk implementation.
TextureVk::TextureVk(const gl::TextureState &state, RendererVk *renderer)
: TextureImpl(state),
mOwnsImage(false),
mRequiresSRGBViews(false),
mImageNativeType(gl::TextureType::InvalidEnum),
mImageLayerOffset(0),
mImageLevelOffset(0),
mImage(nullptr),
mStagingBufferInitialSize(vk::kStagingBufferSize),
mImageUsageFlags(0),
mImageCreateFlags(0),
mImageObserverBinding(this, kTextureImageSubjectIndex)
{}
TextureVk::~TextureVk() = default;
void TextureVk::onDestroy(const gl::Context *context)
{
ContextVk *contextVk = vk::GetImpl(context);
releaseAndDeleteImage(contextVk);
mSampler.reset();
}
angle::Result TextureVk::setImage(const gl::Context *context,
const gl::ImageIndex &index,
GLenum internalFormat,
const gl::Extents &size,
GLenum format,
GLenum type,
const gl::PixelUnpackState &unpack,
gl::Buffer *unpackBuffer,
const uint8_t *pixels)
{
const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat, type);
return setImageImpl(context, index, formatInfo, size, type, unpack, unpackBuffer, pixels);
}
angle::Result TextureVk::setSubImage(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Box &area,
GLenum format,
GLenum type,
const gl::PixelUnpackState &unpack,
gl::Buffer *unpackBuffer,
const uint8_t *pixels)
{
const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(format, type);
ContextVk *contextVk = vk::GetImpl(context);
const gl::ImageDesc &levelDesc = mState.getImageDesc(index);
const vk::Format &vkFormat =
contextVk->getRenderer()->getFormat(levelDesc.format.info->sizedInternalFormat);
return setSubImageImpl(context, index, area, formatInfo, type, unpack, unpackBuffer, pixels,
vkFormat);
}
angle::Result TextureVk::setCompressedImage(const gl::Context *context,
const gl::ImageIndex &index,
GLenum internalFormat,
const gl::Extents &size,
const gl::PixelUnpackState &unpack,
size_t imageSize,
const uint8_t *pixels)
{
const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(internalFormat);
const gl::State &glState = context->getState();
gl::Buffer *unpackBuffer = glState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
return setImageImpl(context, index, formatInfo, size, GL_UNSIGNED_BYTE, unpack, unpackBuffer,
pixels);
}
angle::Result TextureVk::setCompressedSubImage(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Box &area,
GLenum format,
const gl::PixelUnpackState &unpack,
size_t imageSize,
const uint8_t *pixels)
{
const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(format, GL_UNSIGNED_BYTE);
ContextVk *contextVk = vk::GetImpl(context);
const gl::ImageDesc &levelDesc = mState.getImageDesc(index);
const vk::Format &vkFormat =
contextVk->getRenderer()->getFormat(levelDesc.format.info->sizedInternalFormat);
const gl::State &glState = contextVk->getState();
gl::Buffer *unpackBuffer = glState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
return setSubImageImpl(context, index, area, formatInfo, GL_UNSIGNED_BYTE, unpack, unpackBuffer,
pixels, vkFormat);
}
angle::Result TextureVk::setImageImpl(const gl::Context *context,
const gl::ImageIndex &index,
const gl::InternalFormat &formatInfo,
const gl::Extents &size,
GLenum type,
const gl::PixelUnpackState &unpack,
gl::Buffer *unpackBuffer,
const uint8_t *pixels)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
const vk::Format &vkFormat = renderer->getFormat(formatInfo.sizedInternalFormat);
ANGLE_TRY(redefineLevel(context, index, vkFormat, size));
// Early-out on empty textures, don't create a zero-sized storage.
if (size.empty())
{
return angle::Result::Continue;
}
return setSubImageImpl(context, index, gl::Box(gl::kOffsetZero, size), formatInfo, type, unpack,
unpackBuffer, pixels, vkFormat);
}
bool TextureVk::isFastUnpackPossible(const vk::Format &vkFormat, size_t offset) const
{
// Conditions to determine if fast unpacking is possible
// 1. Image must be well defined to unpack directly to it
// TODO(http://anglebug.com/4222) Create and stage a temp image instead
// 2. Can't perform a fast copy for emulated formats
// 3. vkCmdCopyBufferToImage requires byte offset to be a multiple of 4
return mImage->valid() && vkFormat.intendedFormatID == vkFormat.actualImageFormatID &&
(offset & (kBufferOffsetMultiple - 1)) == 0;
}
bool TextureVk::shouldUpdateBeStaged(uint32_t textureLevelIndexGL) const
{
ASSERT(mImage);
// If update is outside the range of image levels, it must be staged.
if (!IsTextureLevelInAllocatedImage(*mImage, textureLevelIndexGL))
{
return true;
}
uint32_t imageLevelIndexVK = textureLevelIndexGL - mImage->getBaseLevel();
// Can't have more than 32 mips for the foreseeable future.
ASSERT(imageLevelIndexVK < 32);
// Otherwise, it can only be directly applied to the image if the level is not previously
// incompatibly redefined.
return mRedefinedLevels.test(imageLevelIndexVK);
}
angle::Result TextureVk::setSubImageImpl(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Box &area,
const gl::InternalFormat &formatInfo,
GLenum type,
const gl::PixelUnpackState &unpack,
gl::Buffer *unpackBuffer,
const uint8_t *pixels,
const vk::Format &vkFormat)
{
ContextVk *contextVk = vk::GetImpl(context);
if (unpackBuffer)
{
BufferVk *unpackBufferVk = vk::GetImpl(unpackBuffer);
vk::BufferHelper &bufferHelper = unpackBufferVk->getBuffer();
uintptr_t offset = reinterpret_cast<uintptr_t>(pixels);
GLuint inputRowPitch = 0;
GLuint inputDepthPitch = 0;
GLuint inputSkipBytes = 0;
ANGLE_TRY(mImage->CalculateBufferInfo(
contextVk, gl::Extents(area.width, area.height, area.depth), formatInfo, unpack, type,
index.usesTex3D(), &inputRowPitch, &inputDepthPitch, &inputSkipBytes));
size_t offsetBytes = static_cast<size_t>(offset + inputSkipBytes);
if (!shouldUpdateBeStaged(index.getLevelIndex()) &&
isFastUnpackPossible(vkFormat, offsetBytes))
{
GLuint pixelSize = formatInfo.pixelBytes;
GLuint blockWidth = formatInfo.compressedBlockWidth;
GLuint blockHeight = formatInfo.compressedBlockHeight;
if (!formatInfo.compressed)
{
pixelSize = formatInfo.computePixelBytes(type);
blockWidth = 1;
blockHeight = 1;
}
ASSERT(pixelSize != 0 && inputRowPitch != 0 && blockWidth != 0 && blockHeight != 0);
GLuint rowLengthPixels = inputRowPitch / pixelSize * blockWidth;
GLuint imageHeightPixels = inputDepthPitch / inputRowPitch * blockHeight;
ANGLE_TRY(copyBufferDataToImage(contextVk, &bufferHelper, index, rowLengthPixels,
imageHeightPixels, area, offsetBytes));
}
else
{
void *mapPtr = nullptr;
ANGLE_TRY(unpackBufferVk->mapImpl(contextVk, &mapPtr));
const uint8_t *source =
static_cast<const uint8_t *>(mapPtr) + reinterpret_cast<ptrdiff_t>(pixels);
ANGLE_TRY(mImage->stageSubresourceUpdateImpl(
contextVk, getNativeImageIndex(index),
gl::Extents(area.width, area.height, area.depth),
gl::Offset(area.x, area.y, area.z), formatInfo, unpack, type, source, vkFormat,
inputRowPitch, inputDepthPitch, inputSkipBytes));
ANGLE_TRY(unpackBufferVk->unmapImpl(contextVk));
}
}
else if (pixels)
{
ANGLE_TRY(mImage->stageSubresourceUpdate(
contextVk, getNativeImageIndex(index), gl::Extents(area.width, area.height, area.depth),
gl::Offset(area.x, area.y, area.z), formatInfo, unpack, type, pixels, vkFormat));
}
if (!mOwnsImage)
{
ANGLE_TRY(mImage->flushAllStagedUpdates(contextVk));
}
return angle::Result::Continue;
}
angle::Result TextureVk::copyImage(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Rectangle &sourceArea,
GLenum internalFormat,
gl::Framebuffer *source)
{
RendererVk *renderer = vk::GetImpl(context)->getRenderer();
gl::Extents newImageSize(sourceArea.width, sourceArea.height, 1);
const gl::InternalFormat &internalFormatInfo =
gl::GetInternalFormatInfo(internalFormat, GL_UNSIGNED_BYTE);
const vk::Format &vkFormat = renderer->getFormat(internalFormatInfo.sizedInternalFormat);
ANGLE_TRY(redefineLevel(context, index, vkFormat, newImageSize));
return copySubImageImpl(context, index, gl::Offset(0, 0, 0), sourceArea, internalFormatInfo,
source);
}
angle::Result TextureVk::copySubImage(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
const gl::Rectangle &sourceArea,
gl::Framebuffer *source)
{
const gl::InternalFormat &currentFormat = *mState.getImageDesc(index).format.info;
return copySubImageImpl(context, index, destOffset, sourceArea, currentFormat, source);
}
angle::Result TextureVk::copyTexture(const gl::Context *context,
const gl::ImageIndex &index,
GLenum internalFormat,
GLenum type,
size_t sourceLevelGL,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
RendererVk *renderer = vk::GetImpl(context)->getRenderer();
TextureVk *sourceVk = vk::GetImpl(source);
const gl::ImageDesc &sourceImageDesc =
sourceVk->mState.getImageDesc(NonCubeTextureTypeToTarget(source->getType()), sourceLevelGL);
gl::Box sourceBox(gl::kOffsetZero, sourceImageDesc.size);
const gl::InternalFormat &destFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
const vk::Format &destVkFormat = renderer->getFormat(destFormatInfo.sizedInternalFormat);
ANGLE_TRY(redefineLevel(context, index, destVkFormat, sourceImageDesc.size));
return copySubTextureImpl(vk::GetImpl(context), index, gl::kOffsetZero, destFormatInfo,
sourceLevelGL, sourceBox, unpackFlipY, unpackPremultiplyAlpha,
unpackUnmultiplyAlpha, sourceVk);
}
angle::Result TextureVk::copySubTexture(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
size_t sourceLevelGL,
const gl::Box &sourceBox,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
const gl::Texture *source)
{
gl::TextureTarget target = index.getTarget();
size_t level = static_cast<size_t>(index.getLevelIndex());
const gl::InternalFormat &destFormatInfo = *mState.getImageDesc(target, level).format.info;
return copySubTextureImpl(vk::GetImpl(context), index, destOffset, destFormatInfo,
sourceLevelGL, sourceBox, unpackFlipY, unpackPremultiplyAlpha,
unpackUnmultiplyAlpha, vk::GetImpl(source));
}
angle::Result TextureVk::copyCompressedTexture(const gl::Context *context,
const gl::Texture *source)
{
ContextVk *contextVk = vk::GetImpl(context);
TextureVk *sourceVk = vk::GetImpl(source);
gl::TextureTarget sourceTarget = NonCubeTextureTypeToTarget(source->getType());
constexpr GLint sourceLevelGL = 0;
constexpr GLint destLevelGL = 0;
const gl::InternalFormat &internalFormat = *source->getFormat(sourceTarget, sourceLevelGL).info;
const vk::Format &vkFormat =
contextVk->getRenderer()->getFormat(internalFormat.sizedInternalFormat);
const gl::Extents size(static_cast<int>(source->getWidth(sourceTarget, sourceLevelGL)),
static_cast<int>(source->getHeight(sourceTarget, sourceLevelGL)),
static_cast<int>(source->getDepth(sourceTarget, sourceLevelGL)));
const gl::ImageIndex destIndex = gl::ImageIndex::MakeFromTarget(sourceTarget, destLevelGL, 1);
ANGLE_TRY(redefineLevel(context, destIndex, vkFormat, size));
ANGLE_TRY(sourceVk->ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
return copySubImageImplWithTransfer(contextVk, destIndex, gl::kOffsetZero, vkFormat,
sourceLevelGL, 0, gl::Box(gl::kOffsetZero, size),
&sourceVk->getImage());
}
angle::Result TextureVk::copySubImageImpl(const gl::Context *context,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
const gl::Rectangle &sourceArea,
const gl::InternalFormat &internalFormat,
gl::Framebuffer *source)
{
gl::Extents fbSize = source->getReadColorAttachment()->getSize();
gl::Rectangle clippedSourceArea;
if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height),
&clippedSourceArea))
{
return angle::Result::Continue;
}
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
FramebufferVk *framebufferVk = vk::GetImpl(source);
const gl::ImageIndex offsetImageIndex = getNativeImageIndex(index);
// If negative offsets are given, clippedSourceArea ensures we don't read from those offsets.
// However, that changes the sourceOffset->destOffset mapping. Here, destOffset is shifted by
// the same amount as clipped to correct the error.
VkImageType imageType = gl_vk::GetImageType(mState.getType());
int zOffset = (imageType == VK_IMAGE_TYPE_3D) ? destOffset.z : 0;
const gl::Offset modifiedDestOffset(destOffset.x + clippedSourceArea.x - sourceArea.x,
destOffset.y + clippedSourceArea.y - sourceArea.y, zOffset);
RenderTargetVk *colorReadRT = framebufferVk->getColorReadRenderTarget();
const vk::Format &srcFormat = colorReadRT->getImageFormat();
VkImageTiling srcTilingMode = colorReadRT->getImageForCopy().getTilingMode();
const vk::Format &destFormat = renderer->getFormat(internalFormat.sizedInternalFormat);
VkImageTiling destTilingMode = getTilingMode();
bool isViewportFlipY = contextVk->isViewportFlipEnabledForReadFBO();
gl::Box clippedSourceBox(clippedSourceArea.x, clippedSourceArea.y, colorReadRT->getLayerIndex(),
clippedSourceArea.width, clippedSourceArea.height, 1);
// If it's possible to perform the copy with a transfer, that's the best option.
if (!isViewportFlipY &&
CanCopyWithTransfer(renderer, srcFormat, srcTilingMode, destFormat, destTilingMode))
{
return copySubImageImplWithTransfer(contextVk, offsetImageIndex, modifiedDestOffset,
destFormat, colorReadRT->getLevelIndex(),
colorReadRT->getLayerIndex(), clippedSourceBox,
&colorReadRT->getImageForCopy());
}
bool forceCPUPath = ForceCPUPathForCopy(renderer, *mImage);
// If it's possible to perform the copy with a draw call, do that.
if (CanCopyWithDraw(renderer, srcFormat, srcTilingMode, destFormat, destTilingMode) &&
!forceCPUPath)
{
// Layer count can only be 1 as the source is a framebuffer.
ASSERT(offsetImageIndex.getLayerCount() == 1);
const vk::ImageView *copyImageView = nullptr;
ANGLE_TRY(colorReadRT->getAndRetainCopyImageView(contextVk, &copyImageView));
return copySubImageImplWithDraw(contextVk, offsetImageIndex, modifiedDestOffset, destFormat,
colorReadRT->getLevelIndex(), clippedSourceBox,
isViewportFlipY, false, false, false,
&colorReadRT->getImageForCopy(), copyImageView,
contextVk->getRotationReadFramebuffer());
}
// Do a CPU readback that does the conversion, and then stage the change to the pixel buffer.
ANGLE_TRY(mImage->stageSubresourceUpdateFromFramebuffer(
context, offsetImageIndex, clippedSourceArea, modifiedDestOffset,
gl::Extents(clippedSourceArea.width, clippedSourceArea.height, 1), internalFormat,
framebufferVk));
return angle::Result::Continue;
}
angle::Result TextureVk::copySubTextureImpl(ContextVk *contextVk,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
const gl::InternalFormat &destFormat,
size_t sourceLevelGL,
const gl::Box &sourceBox,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
TextureVk *source)
{
RendererVk *renderer = contextVk->getRenderer();
ANGLE_TRY(source->ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
const vk::Format &sourceVkFormat = source->getImage().getFormat();
VkImageTiling srcTilingMode = source->getImage().getTilingMode();
const vk::Format &destVkFormat = renderer->getFormat(destFormat.sizedInternalFormat);
VkImageTiling destTilingMode = getTilingMode();
const gl::ImageIndex offsetImageIndex = getNativeImageIndex(index);
// If it's possible to perform the copy with a transfer, that's the best option.
if (!unpackFlipY && !unpackPremultiplyAlpha && !unpackUnmultiplyAlpha &&
CanCopyWithTransfer(renderer, sourceVkFormat, srcTilingMode, destVkFormat, destTilingMode))
{
return copySubImageImplWithTransfer(contextVk, offsetImageIndex, destOffset, destVkFormat,
sourceLevelGL, sourceBox.z, sourceBox,
&source->getImage());
}
bool forceCPUPath = ForceCPUPathForCopy(renderer, *mImage);
// If it's possible to perform the copy with a draw call, do that.
if (CanCopyWithDraw(renderer, sourceVkFormat, srcTilingMode, destVkFormat, destTilingMode) &&
!forceCPUPath)
{
return copySubImageImplWithDraw(
contextVk, offsetImageIndex, destOffset, destVkFormat, sourceLevelGL, sourceBox, false,
unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha, &source->getImage(),
&source->getCopyImageViewAndRecordUse(contextVk), SurfaceRotation::Identity);
}
if (sourceLevelGL != 0)
{
WARN() << "glCopyTextureCHROMIUM with sourceLevel != 0 not implemented.";
return angle::Result::Stop;
}
// Read back the requested region of the source texture
uint8_t *sourceData = nullptr;
ANGLE_TRY(source->copyImageDataToBufferAndGetData(contextVk, sourceLevelGL, sourceBox.depth,
sourceBox, &sourceData));
const angle::Format &sourceTextureFormat = sourceVkFormat.actualImageFormat();
const angle::Format &destTextureFormat = destVkFormat.actualImageFormat();
size_t destinationAllocationSize =
sourceBox.width * sourceBox.height * sourceBox.depth * destTextureFormat.pixelBytes;
// Allocate memory in the destination texture for the copy/conversion
uint32_t stagingBaseLayer =
offsetImageIndex.hasLayer() ? offsetImageIndex.getLayerIndex() : destOffset.z;
uint32_t stagingLayerCount = sourceBox.depth;
gl::Offset stagingOffset = destOffset;
gl::Extents stagingExtents(sourceBox.width, sourceBox.height, sourceBox.depth);
bool is3D = gl_vk::GetImageType(mState.getType()) == VK_IMAGE_TYPE_3D;
if (is3D)
{
stagingBaseLayer = 0;
stagingLayerCount = 1;
}
else
{
stagingOffset.z = 0;
stagingExtents.depth = 1;
}
const gl::ImageIndex stagingIndex = gl::ImageIndex::Make2DArrayRange(
offsetImageIndex.getLevelIndex(), stagingBaseLayer, stagingLayerCount);
uint8_t *destData = nullptr;
ANGLE_TRY(mImage->stageSubresourceUpdateAndGetData(contextVk, destinationAllocationSize,
stagingIndex, stagingExtents, stagingOffset,
&destData));
// Source and dest data is tightly packed
GLuint sourceDataRowPitch = sourceBox.width * sourceTextureFormat.pixelBytes;
GLuint destDataRowPitch = sourceBox.width * destTextureFormat.pixelBytes;
GLuint sourceDataDepthPitch = sourceDataRowPitch * sourceBox.height;
GLuint destDataDepthPitch = destDataRowPitch * sourceBox.height;
rx::PixelReadFunction pixelReadFunction = sourceTextureFormat.pixelReadFunction;
rx::PixelWriteFunction pixelWriteFunction = destTextureFormat.pixelWriteFunction;
// Fix up the read/write functions for the sake of luminance/alpha that are emulated with
// formats whose channels don't correspond to the original format (alpha is emulated with red,
// and luminance/alpha is emulated with red/green).
if (sourceVkFormat.intendedFormat().isLUMA())
{
pixelReadFunction = sourceVkFormat.intendedFormat().pixelReadFunction;
}
if (destVkFormat.intendedFormat().isLUMA())
{
pixelWriteFunction = destVkFormat.intendedFormat().pixelWriteFunction;
}
CopyImageCHROMIUM(sourceData, sourceDataRowPitch, sourceTextureFormat.pixelBytes,
sourceDataDepthPitch, pixelReadFunction, destData, destDataRowPitch,
destTextureFormat.pixelBytes, destDataDepthPitch, pixelWriteFunction,
destFormat.format, destFormat.componentType, sourceBox.width,
sourceBox.height, sourceBox.depth, unpackFlipY, unpackPremultiplyAlpha,
unpackUnmultiplyAlpha);
return angle::Result::Continue;
}
angle::Result TextureVk::copySubImageImplWithTransfer(ContextVk *contextVk,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
const vk::Format &destFormat,
size_t sourceLevelGL,
size_t sourceLayer,
const gl::Box &sourceBox,
vk::ImageHelper *srcImage)
{
RendererVk *renderer = contextVk->getRenderer();
uint32_t level = index.getLevelIndex();
uint32_t baseLayer = index.hasLayer() ? index.getLayerIndex() : destOffset.z;
uint32_t layerCount = sourceBox.depth;
ASSERT(layerCount == static_cast<uint32_t>(gl::ImageIndex::kEntireLevel) ||
layerCount == static_cast<uint32_t>(sourceBox.depth));
gl::Offset srcOffset = {sourceBox.x, sourceBox.y, sourceBox.z};
gl::Extents extents = {sourceBox.width, sourceBox.height, sourceBox.depth};
// Change source layout if necessary
ANGLE_TRY(
contextVk->onImageRead(VK_IMAGE_ASPECT_COLOR_BIT, vk::ImageLayout::TransferSrc, srcImage));
VkImageSubresourceLayers srcSubresource = {};
srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
srcSubresource.mipLevel = static_cast<uint32_t>(sourceLevelGL) - srcImage->getBaseLevel();
srcSubresource.baseArrayLayer = static_cast<uint32_t>(sourceLayer);
srcSubresource.layerCount = layerCount;
bool isSrc3D = srcImage->getExtents().depth > 1;
bool isDest3D = gl_vk::GetImageType(mState.getType()) == VK_IMAGE_TYPE_3D;
if (isSrc3D)
{
Set3DBaseArrayLayerAndLayerCount(&srcSubresource);
}
else
{
ASSERT(srcSubresource.baseArrayLayer == static_cast<uint32_t>(srcOffset.z));
srcOffset.z = 0;
}
gl::Offset destOffsetModified = destOffset;
if (!isDest3D)
{
// If destination is not 3D, destination offset must be 0.
destOffsetModified.z = 0;
}
// Perform self-copies through a staging buffer.
// TODO: optimize to copy directly if possible. http://anglebug.com/4719
bool isSelfCopy = mImage == srcImage;
// If destination is valid, copy the source directly into it.
if (mImage->valid() && !shouldUpdateBeStaged(level) && !isSelfCopy)
{
// Make sure any updates to the image are already flushed.
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
vk::CommandBuffer *commandBuffer;
ANGLE_TRY(contextVk->onImageWrite(VK_IMAGE_ASPECT_COLOR_BIT, vk::ImageLayout::TransferDst,
mImage));
ANGLE_TRY(contextVk->getOutsideRenderPassCommandBuffer(&commandBuffer));
VkImageSubresourceLayers destSubresource = srcSubresource;
destSubresource.mipLevel = level;
destSubresource.baseArrayLayer = baseLayer;
destSubresource.layerCount = layerCount;
if (isDest3D)
{
Set3DBaseArrayLayerAndLayerCount(&destSubresource);
}
else if (!isSrc3D)
{
// extents.depth should be set to layer count if any of the source or destination is a
// 2D Array. If both are 2D Array, it should be set to 1.
extents.depth = 1;
}
vk::ImageHelper::Copy(srcImage, mImage, srcOffset, destOffsetModified, extents,
srcSubresource, destSubresource, commandBuffer);
}
else
{
std::unique_ptr<vk::ImageHelper> stagingImage;
// Create a temporary image to stage the copy
stagingImage = std::make_unique<vk::ImageHelper>();
ANGLE_TRY(stagingImage->init2DStaging(contextVk, renderer->getMemoryProperties(),
gl::Extents(sourceBox.width, sourceBox.height, 1),
destFormat, kTransferStagingImageFlags, layerCount));
vk::CommandBuffer *commandBuffer;
ANGLE_TRY(contextVk->onImageWrite(VK_IMAGE_ASPECT_COLOR_BIT, vk::ImageLayout::TransferDst,
stagingImage.get()));
ANGLE_TRY(contextVk->getOutsideRenderPassCommandBuffer(&commandBuffer));
VkImageSubresourceLayers destSubresource = srcSubresource;
destSubresource.mipLevel = 0;
destSubresource.baseArrayLayer = 0;
destSubresource.layerCount = layerCount;
if (!isSrc3D)
{
// extents.depth should be set to layer count if any of the source or destination is a
// 2D Array. If both are 2D Array, it should be set to 1.
extents.depth = 1;
}
vk::ImageHelper::Copy(srcImage, stagingImage.get(), srcOffset, gl::kOffsetZero, extents,
srcSubresource, destSubresource, commandBuffer);
// Stage the copy for when the image storage is actually created.
VkImageType imageType = gl_vk::GetImageType(mState.getType());
const gl::ImageIndex stagingIndex =
gl::ImageIndex::Make2DArrayRange(level, baseLayer, layerCount);
mImage->stageSubresourceUpdateFromImage(stagingImage.release(), stagingIndex,
destOffsetModified, extents, imageType);
}
return angle::Result::Continue;
}
angle::Result TextureVk::copySubImageImplWithDraw(ContextVk *contextVk,
const gl::ImageIndex &index,
const gl::Offset &destOffset,
const vk::Format &destFormat,
size_t sourceLevelGL,
const gl::Box &sourceBox,
bool isSrcFlipY,
bool unpackFlipY,
bool unpackPremultiplyAlpha,
bool unpackUnmultiplyAlpha,
vk::ImageHelper *srcImage,
const vk::ImageView *srcView,
SurfaceRotation srcFramebufferRotation)
{
RendererVk *renderer = contextVk->getRenderer();
UtilsVk &utilsVk = contextVk->getUtils();
// Potentially make adjustments for pre-rotatation.
gl::Box rotatedSourceBox = sourceBox;
gl::Extents srcExtents = srcImage->getLevelExtents2D(0);
switch (srcFramebufferRotation)
{
case SurfaceRotation::Identity:
// No adjustments needed
break;
case SurfaceRotation::Rotated90Degrees:
// Turn off y-flip for 90 degrees, as we don't want it affecting the
// shaderParams.srcOffset calculation done in UtilsVk::copyImage().
ASSERT(isSrcFlipY);
isSrcFlipY = false;
std::swap(rotatedSourceBox.x, rotatedSourceBox.y);
std::swap(rotatedSourceBox.width, rotatedSourceBox.height);
std::swap(srcExtents.width, srcExtents.height);
break;
case SurfaceRotation::Rotated180Degrees:
ASSERT(isSrcFlipY);
rotatedSourceBox.x = srcExtents.width - sourceBox.x - sourceBox.width - 1;
rotatedSourceBox.y = srcExtents.height - sourceBox.y - sourceBox.height - 1;
break;
case SurfaceRotation::Rotated270Degrees:
// Turn off y-flip for 270 degrees, as we don't want it affecting the
// shaderParams.srcOffset calculation done in UtilsVk::copyImage(). It is needed
// within the shader (when it will affect how the shader looks-up the source pixel),
// and so shaderParams.flipY is turned on at the right time within
// UtilsVk::copyImage().
ASSERT(isSrcFlipY);
isSrcFlipY = false;
rotatedSourceBox.x = srcExtents.height - sourceBox.y - sourceBox.height - 1;
rotatedSourceBox.y = srcExtents.width - sourceBox.x - sourceBox.width - 1;
std::swap(rotatedSourceBox.width, rotatedSourceBox.height);
std::swap(srcExtents.width, srcExtents.height);
break;
default:
UNREACHABLE();
break;
}
UtilsVk::CopyImageParameters params;
params.srcOffset[0] = rotatedSourceBox.x;
params.srcOffset[1] = rotatedSourceBox.y;
params.srcExtents[0] = rotatedSourceBox.width;
params.srcExtents[1] = rotatedSourceBox.height;
params.destOffset[0] = destOffset.x;
params.destOffset[1] = destOffset.y;
params.srcMip = static_cast<uint32_t>(sourceLevelGL) - srcImage->getBaseLevel();
params.srcHeight = srcExtents.height;
params.srcPremultiplyAlpha = unpackPremultiplyAlpha && !unpackUnmultiplyAlpha;
params.srcUnmultiplyAlpha = unpackUnmultiplyAlpha && !unpackPremultiplyAlpha;
params.srcFlipY = isSrcFlipY;
params.destFlipY = unpackFlipY;
params.srcRotation = srcFramebufferRotation;
uint32_t level = index.getLevelIndex();
uint32_t baseLayer = index.hasLayer() ? index.getLayerIndex() : destOffset.z;
uint32_t layerCount = sourceBox.depth;
ASSERT(layerCount == static_cast<uint32_t>(gl::ImageIndex::kEntireLevel) ||
layerCount == static_cast<uint32_t>(sourceBox.depth));
gl::Extents extents = {sourceBox.width, sourceBox.height, sourceBox.depth};
bool isSrc3D = srcImage->getExtents().depth > 1;
bool isDest3D = gl_vk::GetImageType(mState.getType()) == VK_IMAGE_TYPE_3D;
// Perform self-copies through a staging buffer.
// TODO: optimize to copy directly if possible. http://anglebug.com/4719
bool isSelfCopy = mImage == srcImage;
// If destination is valid, copy the source directly into it.
if (mImage->valid() && !shouldUpdateBeStaged(level) && !isSelfCopy)
{
// Make sure any updates to the image are already flushed.
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
for (uint32_t layerIndex = 0; layerIndex < layerCount; ++layerIndex)
{
params.srcLayer = layerIndex + sourceBox.z;
const vk::ImageView *destView;
ANGLE_TRY(getLevelLayerImageView(contextVk, level, baseLayer + layerIndex, &destView));
ANGLE_TRY(utilsVk.copyImage(contextVk, mImage, destView, srcImage, srcView, params));
}
}
else
{
std::unique_ptr<vk::ImageHelper> stagingImage;
GLint samples = srcImage->getSamples();
gl::TextureType stagingTextureType = vk::Get2DTextureType(layerCount, samples);
// Create a temporary image to stage the copy
stagingImage = std::make_unique<vk::ImageHelper>();
ANGLE_TRY(stagingImage->init2DStaging(contextVk, renderer->getMemoryProperties(),
gl::Extents(sourceBox.width, sourceBox.height, 1),
destFormat, kDrawStagingImageFlags, layerCount));
params.destOffset[0] = 0;
params.destOffset[1] = 0;
for (uint32_t layerIndex = 0; layerIndex < layerCount; ++layerIndex)
{
params.srcLayer = layerIndex + sourceBox.z;
// Create a temporary view for this layer.
vk::ImageView stagingView;
ANGLE_TRY(stagingImage->initLayerImageView(
contextVk, stagingTextureType, VK_IMAGE_ASPECT_COLOR_BIT, gl::SwizzleState(),
&stagingView, 0, 1, layerIndex, 1));
ANGLE_TRY(utilsVk.copyImage(contextVk, stagingImage.get(), &stagingView, srcImage,
srcView, params));
// Queue the resource for cleanup as soon as the copy above is finished. There's no
// need to keep it around.
contextVk->addGarbage(&stagingView);
}
if (!isSrc3D)
{
// extents.depth should be set to layer count if any of the source or destination is a
// 2D Array. If both are 2D Array, it should be set to 1.
extents.depth = 1;
}
gl::Offset destOffsetModified = destOffset;
if (!isDest3D)
{
// If destination is not 3D, destination offset must be 0.
destOffsetModified.z = 0;
}
// Stage the copy for when the image storage is actually created.
VkImageType imageType = gl_vk::GetImageType(mState.getType());
const gl::ImageIndex stagingIndex =
gl::ImageIndex::Make2DArrayRange(level, baseLayer, layerCount);
mImage->stageSubresourceUpdateFromImage(stagingImage.release(), stagingIndex,
destOffsetModified, extents, imageType);
}
return angle::Result::Continue;
}
angle::Result TextureVk::setStorage(const gl::Context *context,
gl::TextureType type,
size_t levels,
GLenum internalFormat,
const gl::Extents &size)
{
return setStorageMultisample(context, type, 1, internalFormat, size, true);
}
angle::Result TextureVk::setStorageMultisample(const gl::Context *context,
gl::TextureType type,
GLsizei samples,
GLint internalformat,
const gl::Extents &size,
bool fixedSampleLocations)
{
ContextVk *contextVk = GetAs<ContextVk>(context->getImplementation());
RendererVk *renderer = contextVk->getRenderer();
if (!mOwnsImage)
{
releaseAndDeleteImage(contextVk);
}
const vk::Format &format = renderer->getFormat(internalformat);
ANGLE_TRY(ensureImageAllocated(contextVk, format));
if (mImage->valid())
{
releaseImage(contextVk);
}
return angle::Result::Continue;
}
angle::Result TextureVk::setStorageExternalMemory(const gl::Context *context,
gl::TextureType type,
size_t levels,
GLenum internalFormat,
const gl::Extents &size,
gl::MemoryObject *memoryObject,
GLuint64 offset,
GLbitfield createFlags,
GLbitfield usageFlags)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
MemoryObjectVk *memoryObjectVk = vk::GetImpl(memoryObject);
releaseAndDeleteImage(contextVk);
const vk::Format &format = renderer->getFormat(internalFormat);
setImageHelper(contextVk, new vk::ImageHelper(), mState.getType(), format, 0, 0, 0, true);
ANGLE_TRY(memoryObjectVk->createImage(contextVk, type, levels, internalFormat, size, offset,
mImage, createFlags, usageFlags));
gl::Format glFormat(internalFormat);
ANGLE_TRY(initImageViews(contextVk, format, glFormat.info->sized, static_cast<uint32_t>(levels),
mImage->getLayerCount()));
return angle::Result::Continue;
}
angle::Result TextureVk::setEGLImageTarget(const gl::Context *context,
gl::TextureType type,
egl::Image *image)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
releaseAndDeleteImage(contextVk);
const vk::Format &format = renderer->getFormat(image->getFormat().info->sizedInternalFormat);
ImageVk *imageVk = vk::GetImpl(image);
setImageHelper(contextVk, imageVk->getImage(), imageVk->getImageTextureType(), format,
imageVk->getImageLevel(), imageVk->getImageLayer(),
mState.getEffectiveBaseLevel(), false);
ASSERT(type != gl::TextureType::CubeMap);
ANGLE_TRY(initImageViews(contextVk, format, image->getFormat().info->sized, 1, 1));
// Transfer the image to this queue if needed
uint32_t rendererQueueFamilyIndex = renderer->getQueueFamilyIndex();
if (mImage->isQueueChangeNeccesary(rendererQueueFamilyIndex))
{
vk::CommandBuffer *commandBuffer = nullptr;
vk::ImageLayout newLayout = vk::ImageLayout::AllGraphicsShadersReadWrite;
if (mImage->getUsage() & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
{
newLayout = vk::ImageLayout::ColorAttachment;
}
else if (mImage->getUsage() & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)
{
newLayout = vk::ImageLayout::DepthStencilAttachment;
}
else if (mImage->getUsage() &
(VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
{
newLayout = vk::ImageLayout::AllGraphicsShadersReadOnly;
}
ANGLE_TRY(contextVk->getOutsideRenderPassCommandBuffer(&commandBuffer));
mImage->changeLayoutAndQueue(mImage->getAspectFlags(), newLayout, rendererQueueFamilyIndex,
commandBuffer);
}
return angle::Result::Continue;
}
angle::Result TextureVk::setImageExternal(const gl::Context *context,
gl::TextureType type,
egl::Stream *stream,
const egl::Stream::GLTextureDescription &desc)
{
ANGLE_VK_UNREACHABLE(vk::GetImpl(context));
return angle::Result::Stop;
}
gl::ImageIndex TextureVk::getNativeImageIndex(const gl::ImageIndex &inputImageIndex) const
{
// The input index can be a specific layer (for cube maps, 2d arrays, etc) or mImageLayerOffset
// can be non-zero but both of these cannot be true at the same time. EGL images can source
// from a cube map or 3D texture but can only be a 2D destination.
ASSERT(!(inputImageIndex.hasLayer() && mImageLayerOffset > 0));
// handle the special-case where image index can represent a whole level of a texture
GLint resultImageLayer = inputImageIndex.getLayerIndex();
if (inputImageIndex.getType() != mImageNativeType)
{
ASSERT(!inputImageIndex.hasLayer());
resultImageLayer = mImageLayerOffset;
}
return gl::ImageIndex::MakeFromType(mImageNativeType,
getNativeImageLevel(inputImageIndex.getLevelIndex()),
resultImageLayer, inputImageIndex.getLayerCount());
}
uint32_t TextureVk::getNativeImageLevel(uint32_t frontendLevel) const
{
return mImageLevelOffset + frontendLevel;
}
uint32_t TextureVk::getNativeImageLayer(uint32_t frontendLayer) const
{
return mImageLayerOffset + frontendLayer;
}
void TextureVk::releaseAndDeleteImage(ContextVk *contextVk)
{
if (mImage)
{
releaseImage(contextVk);
releaseStagingBuffer(contextVk);
mImageObserverBinding.bind(nullptr);
SafeDelete(mImage);
}
mRedefinedLevels.reset();
}
angle::Result TextureVk::ensureImageAllocated(ContextVk *contextVk, const vk::Format &format)
{
if (mImage == nullptr)
{
setImageHelper(contextVk, new vk::ImageHelper(), mState.getType(), format, 0, 0, 0, true);
}
else
{
// Note: one possible path here is when an image level is being redefined to a different
// format. In that case, staged updates with the new format should succeed, but otherwise
// the format should not affect the currently allocated image. The following function only
// takes the alignment requirement to make sure the format is not accidentally used for any
// other purpose.
updateImageHelper(contextVk, format.getImageCopyBufferAlignment());
}
mImageUsageFlags = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT;
// If the image has depth/stencil support, add those as possible usage.
if (contextVk->getRenderer()->hasImageFormatFeatureBits(
format.vkImageFormat, VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
{
mImageUsageFlags |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
}
else if (contextVk->getRenderer()->hasImageFormatFeatureBits(
format.vkImageFormat, VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
{
mImageUsageFlags |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
}
return angle::Result::Continue;
}
void TextureVk::setImageHelper(ContextVk *contextVk,
vk::ImageHelper *imageHelper,
gl::TextureType imageType,
const vk::Format &format,
uint32_t imageLevelOffset,
uint32_t imageLayerOffset,
uint32_t imageBaseLevel,
bool selfOwned)
{
ASSERT(mImage == nullptr);
mImageObserverBinding.bind(imageHelper);
mOwnsImage = selfOwned;
mImageNativeType = imageType;
mImageLevelOffset = imageLevelOffset;
mImageLayerOffset = imageLayerOffset;
mImage = imageHelper;
updateImageHelper(contextVk, format.getImageCopyBufferAlignment());
// Force re-creation of render targets next time they are needed
for (auto &renderTargets : mRenderTargets)
{
for (RenderTargetVector &renderTargetLevels : renderTargets)
{
renderTargetLevels.clear();
}
renderTargets.clear();
}
RendererVk *renderer = contextVk->getRenderer();
getImageViews().init(renderer);
}
void TextureVk::updateImageHelper(ContextVk *contextVk, size_t imageCopyBufferAlignment)
{
RendererVk *renderer = contextVk->getRenderer();
ASSERT(mImage != nullptr);
mImage->initStagingBuffer(renderer, imageCopyBufferAlignment, vk::kStagingBufferFlags,
mStagingBufferInitialSize);
}
angle::Result TextureVk::redefineLevel(const gl::Context *context,
const gl::ImageIndex &index,
const vk::Format &format,
const gl::Extents &size)
{
ContextVk *contextVk = vk::GetImpl(context);
if (!mOwnsImage)
{
releaseAndDeleteImage(contextVk);
}
if (mImage != nullptr)
{
// If there is any staged changes for this index, we can remove them since we're going to
// override them with this call.
uint32_t levelIndexGL = index.getLevelIndex();
uint32_t layerIndex = index.hasLayer() ? index.getLayerIndex() : 0;
mImage->removeSingleSubresourceStagedUpdates(contextVk, levelIndexGL, layerIndex);
if (mImage->valid())
{
// If the level that's being redefined is outside the level range of the allocated
// image, the application is free to use any size or format. Any data uploaded to it
// will live in staging area until the texture base/max level is adjusted to include
// this level, at which point the image will be recreated.
//
// Otherwise, if the level that's being redefined has a different format or size,
// only release the image if it's single-mip, and keep the uploaded data staged.
// Otherwise the image is mip-incomplete anyway and will be eventually recreated when
// needed. Only exception to this latter is if all the levels of the texture are
// redefined such that the image becomes mip-complete in the end.
// mRedefinedLevels is used during syncState to support this use-case.
//
// Note that if the image has multiple mips, there could be a copy from one mip
// happening to the other, which means the image cannot be released.
//
// In summary:
//
// - If the image has a single level, and that level is being redefined, release the
// image.
// - Otherwise keep the image intact (another mip may be the source of a copy), and
// make sure any updates to this level are staged.
bool isInAllocatedImage = IsTextureLevelInAllocatedImage(*mImage, levelIndexGL);
bool isCompatibleRedefinition =
isInAllocatedImage &&
IsTextureLevelDefinitionCompatibleWithImage(*mImage, levelIndexGL, size, format);
// Mark the level as incompatibly redefined if that's the case. Note that if the level
// was previously incompatibly defined, then later redefined to be compatible, the
// corresponding bit should clear.
if (isInAllocatedImage)
{
mRedefinedLevels.set(levelIndexGL - mImage->getBaseLevel(),
!isCompatibleRedefinition);
}
bool isUpdateToSingleLevelImage =
mImage->getLevelCount() == 1 && mImage->getBaseLevel() == levelIndexGL;
// If incompatible, and redefining the single-level image, release it so it can be
// recreated immediately. This is an optimization to avoid an extra copy.
if (!isCompatibleRedefinition && isUpdateToSingleLevelImage)
{
releaseImage(contextVk);
}
}
}
// If image is not released due to an out-of-range or incompatible level definition, the image
// is still valid and we shouldn't redefine it to use the new format. In that case,
// ensureImageAllocated will only use the format to update the staging buffer's alignment to
// support both the previous and the new formats.
if (!size.empty())
{
ANGLE_TRY(ensureImageAllocated(contextVk, format));
}
return angle::Result::Continue;
}
angle::Result TextureVk::copyImageDataToBufferAndGetData(ContextVk *contextVk,
size_t sourceLevelGL,
uint32_t layerCount,
const gl::Box &sourceArea,
uint8_t **outDataPtr)
{
ANGLE_TRACE_EVENT0("gpu.angle", "TextureVk::copyImageDataToBufferAndGetData");
// Make sure the source is initialized and it's images are flushed.
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
vk::BufferHelper *copyBuffer = nullptr;
vk::StagingBufferOffsetArray sourceCopyOffsets = {0, 0};
size_t bufferSize = 0;
gl::Box modifiedSourceArea = sourceArea;
bool is3D = mImage->getExtents().depth > 1;
if (is3D)
{
layerCount = 1;
}
else
{
modifiedSourceArea.depth = 1;
}
ANGLE_TRY(mImage->copyImageDataToBuffer(contextVk, sourceLevelGL, layerCount, 0,
modifiedSourceArea, &copyBuffer, &bufferSize,
&sourceCopyOffsets, outDataPtr));
// Explicitly finish. If new use cases arise where we don't want to block we can change this.
ANGLE_TRY(contextVk->finishImpl());
return angle::Result::Continue;
}
angle::Result TextureVk::copyBufferDataToImage(ContextVk *contextVk,
vk::BufferHelper *srcBuffer,
const gl::ImageIndex index,
uint32_t rowLength,
uint32_t imageHeight,
const gl::Box &sourceArea,
size_t offset)
{
ANGLE_TRACE_EVENT0("gpu.angle", "TextureVk::copyBufferDataToImage");
// Vulkan Spec requires the bufferOffset to be a multiple of 4 for vkCmdCopyBufferToImage.
ASSERT((offset & (kBufferOffsetMultiple - 1)) == 0);
GLuint layerCount = 0;
GLuint layerIndex = 0;
GetRenderTargetLayerCountAndIndex(mImage, index, &layerCount, &layerIndex);
// Make sure the source is initialized and its images are flushed.
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
vk::CommandBuffer *commandBuffer = nullptr;
ANGLE_TRY(contextVk->onBufferTransferRead(srcBuffer));
ANGLE_TRY(
contextVk->onImageWrite(VK_IMAGE_ASPECT_COLOR_BIT, vk::ImageLayout::TransferDst, mImage));
ANGLE_TRY(contextVk->getOutsideRenderPassCommandBuffer(&commandBuffer));
VkBufferImageCopy region = {};
region.bufferOffset = offset;
region.bufferRowLength = rowLength;
region.bufferImageHeight = imageHeight;
region.imageExtent.width = sourceArea.width;
region.imageExtent.height = sourceArea.height;
region.imageExtent.depth = sourceArea.depth;
region.imageOffset.x = sourceArea.x;
region.imageOffset.y = sourceArea.y;
region.imageOffset.z = sourceArea.z;
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.baseArrayLayer = layerIndex;
region.imageSubresource.layerCount = 1;
region.imageSubresource.mipLevel = static_cast<uint32_t>(index.getLevelIndex());
if (index.getType() == gl::TextureType::_2DArray)
{
region.imageExtent.depth = 1;
region.imageSubresource.layerCount = sourceArea.depth;
}
commandBuffer->copyBufferToImage(srcBuffer->getBuffer().getHandle(), mImage->getImage(),
mImage->getCurrentLayout(), 1, &region);
return angle::Result::Continue;
}
angle::Result TextureVk::generateMipmapsWithCompute(ContextVk *contextVk)
{
RendererVk *renderer = contextVk->getRenderer();
// Requires that the image:
//
// - is not sRGB
// - is not integer
// - is 2D or 2D array
// - is single sample
// - is color image
//
// Support for the first two can be added easily. Supporting 3D textures, MSAA and
// depth/stencil would be more involved.
ASSERT(gl::GetSizedInternalFormatInfo(mImage->getFormat().internalFormat).colorEncoding !=
GL_SRGB);
ASSERT(!mImage->getFormat().actualImageFormat().isInt());
ASSERT(mImage->getType() == VK_IMAGE_TYPE_2D);
ASSERT(mImage->getSamples() == 1);
ASSERT(mImage->getAspectFlags() == VK_IMAGE_ASPECT_COLOR_BIT);
// Create the appropriate sampler.
GLenum filter = CalculateGenerateMipmapFilter(contextVk, mImage->getFormat());
gl::SamplerState samplerState;
samplerState.setMinFilter(filter);
samplerState.setMagFilter(filter);
samplerState.setWrapS(GL_CLAMP_TO_EDGE);
samplerState.setWrapT(GL_CLAMP_TO_EDGE);
samplerState.setWrapR(GL_CLAMP_TO_EDGE);
vk::BindingPointer<vk::SamplerHelper> sampler;
vk::SamplerDesc samplerDesc(samplerState, false, 0);
ANGLE_TRY(renderer->getSamplerCache().getSampler(contextVk, samplerDesc, &sampler));
// If the image has more levels than supported, generate as many mips as possible at a time.
const uint32_t maxGenerateLevels = UtilsVk::GetGenerateMipmapMaxLevels(contextVk);
for (uint32_t destBaseLevel = 1; destBaseLevel < mImage->getLevelCount();
destBaseLevel += maxGenerateLevels)
{
ANGLE_TRY(contextVk->onImageWrite(VK_IMAGE_ASPECT_COLOR_BIT,
vk::ImageLayout::ComputeShaderWrite, mImage));
// Generate mipmaps for every layer separately.
for (uint32_t layer = 0; layer < mImage->getLayerCount(); ++layer)
{
// Create the necessary views.
const vk::ImageView *srcView = nullptr;
UtilsVk::GenerateMipmapDestLevelViews destLevelViews = {};
const uint32_t srcLevel = destBaseLevel - 1;
ANGLE_TRY(getImageViews().getLevelLayerDrawImageView(contextVk, *mImage, srcLevel,
layer, &srcView));
uint32_t destLevelCount = maxGenerateLevels;
for (uint32_t level = 0; level < maxGenerateLevels; ++level)
{
uint32_t destLevel = destBaseLevel + level;
// If fewer levels left than maxGenerateLevels, cut the loop short.
if (destLevel >= mImage->getLevelCount())
{
destLevelCount = level;
break;
}
ANGLE_TRY(getImageViews().getLevelLayerDrawImageView(
contextVk, *mImage, destLevel, layer, &destLevelViews[level]));
}
// If the image has fewer than maximum levels, fill the last views with a dummy view.
ASSERT(destLevelCount > 0);
for (uint32_t level = destLevelCount; level < UtilsVk::kGenerateMipmapMaxLevels;
++level)
{
destLevelViews[level] = destLevelViews[level - 1];
}
// Generate mipmaps.
UtilsVk::GenerateMipmapParameters params = {};
params.srcLevel = srcLevel;
params.destLevelCount = destLevelCount;
ANGLE_TRY(contextVk->getUtils().generateMipmap(
contextVk, mImage, srcView, mImage, destLevelViews, sampler.get().get(), params));
}
}
return angle::Result::Continue;
}
angle::Result TextureVk::generateMipmapsWithCPU(const gl::Context *context)
{
ContextVk *contextVk = vk::GetImpl(context);
const VkExtent3D baseLevelExtents = mImage->getExtents();
uint32_t imageLayerCount = mImage->getLayerCount();
uint8_t *imageData = nullptr;
gl::Box imageArea(0, 0, 0, baseLevelExtents.width, baseLevelExtents.height,
baseLevelExtents.depth);
ANGLE_TRY(copyImageDataToBufferAndGetData(contextVk, mState.getEffectiveBaseLevel(),
imageLayerCount, imageArea, &imageData));
const angle::Format &angleFormat = mImage->getFormat().actualImageFormat();
GLuint sourceRowPitch = baseLevelExtents.width * angleFormat.pixelBytes;
GLuint sourceDepthPitch = sourceRowPitch * baseLevelExtents.height;
size_t baseLevelAllocationSize = sourceDepthPitch * baseLevelExtents.depth;
// We now have the base level available to be manipulated in the imageData pointer. Generate all
// the missing mipmaps with the slow path. For each layer, use the copied data to generate all
// the mips.
for (GLuint layer = 0; layer < imageLayerCount; layer++)
{
size_t bufferOffset = layer * baseLevelAllocationSize;
ANGLE_TRY(generateMipmapLevelsWithCPU(
contextVk, angleFormat, layer, mState.getEffectiveBaseLevel() + 1,
mState.getMipmapMaxLevel(), baseLevelExtents.width, baseLevelExtents.height,
baseLevelExtents.depth, sourceRowPitch, sourceDepthPitch, imageData + bufferOffset));
}
ASSERT(!mRedefinedLevels.any());
return flushImageStagedUpdates(contextVk);
}
angle::Result TextureVk::generateMipmap(const gl::Context *context)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
// The image should already be allocated by a prior syncState.
ASSERT(mImage->valid());
// If base level has changed, the front-end should have called syncState already.
ASSERT(mImage->getBaseLevel() == mState.getEffectiveBaseLevel());
// Only staged update here is the robust resource init if any.
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::FullMipChain));
uint32_t maxLevel = mState.getMipmapMaxLevel() - mState.getEffectiveBaseLevel();
ASSERT(maxLevel != 0);
// If it's possible to generate mipmap in compute, that would give the best possible
// performance on some hardware.
if (CanGenerateMipmapWithCompute(renderer, mImage->getType(), mImage->getFormat(),
mImage->getSamples()))
{
ASSERT((mImageUsageFlags & VK_IMAGE_USAGE_STORAGE_BIT) != 0);
mImage->retain(&contextVk->getResourceUseList());
getImageViews().retain(&contextVk->getResourceUseList());
return generateMipmapsWithCompute(contextVk);
}
else if (renderer->hasImageFormatFeatureBits(mImage->getFormat().vkImageFormat,
kBlitFeatureFlags))
{
// Otherwise, use blit if possible.
return mImage->generateMipmapsWithBlit(contextVk, maxLevel);
}
// If not possible to generate mipmaps on the GPU, do it on the CPU for conformance.
return generateMipmapsWithCPU(context);
}
angle::Result TextureVk::copyAndStageImageSubresource(ContextVk *contextVk,
bool ignoreLayerCount,
uint32_t currentLayer,
uint32_t srcLevelVk,
uint32_t dstLevelGL)
{
const gl::Extents &baseLevelExtents = mImage->getLevelExtents(srcLevelVk);
VkExtent3D updatedExtents;
VkOffset3D offset = {};
uint32_t layerCount;
gl_vk::GetExtentsAndLayerCount(mState.getType(), baseLevelExtents, &updatedExtents,
&layerCount);
gl::Box area(offset.x, offset.y, offset.z, updatedExtents.width, updatedExtents.height,
updatedExtents.depth);
// TODO: Refactor TextureVk::respecifyImageAttributesAndLevels() to avoid this workaround.
if (ignoreLayerCount)
{
layerCount = 1;
}
// Copy from the base level image to the staging buffer
vk::BufferHelper *stagingBuffer = nullptr;
vk::StagingBufferOffsetArray stagingBufferOffsets = {0, 0};
size_t bufferSize = 0;
ANGLE_TRY(mImage->copyImageDataToBuffer(contextVk, srcLevelVk + mImage->getBaseLevel(),
layerCount, currentLayer, area, &stagingBuffer,
&bufferSize, &stagingBufferOffsets, nullptr));
// Stage an update to the new image
ASSERT(stagingBuffer);
uint32_t bufferRowLength = updatedExtents.width;
uint32_t bufferImageHeight = updatedExtents.height;
const gl::InternalFormat &formatInfo =
gl::GetSizedInternalFormatInfo(mImage->getFormat().internalFormat);
if (formatInfo.compressed)
{
// In the case of a compressed texture, bufferRowLength can never be smaller than the
// compressed format's compressed block width, and bufferImageHeight can never be smaller
// than the compressed block height.
bufferRowLength = std::max(bufferRowLength, formatInfo.compressedBlockWidth);
bufferImageHeight = std::max(bufferImageHeight, formatInfo.compressedBlockHeight);
}
ANGLE_TRY(mImage->stageSubresourceUpdateFromBuffer(
contextVk, bufferSize, dstLevelGL, currentLayer, layerCount, bufferRowLength,
bufferImageHeight, updatedExtents, offset, stagingBuffer, stagingBufferOffsets));
return angle::Result::Continue;
}
angle::Result TextureVk::setBaseLevel(const gl::Context *context, GLuint baseLevel)
{
return angle::Result::Continue;
}
angle::Result TextureVk::updateBaseMaxLevels(ContextVk *contextVk,
GLuint baseLevel,
GLuint maxLevel)
{
if (!mImage)
{
return angle::Result::Continue;
}
// Track the previous levels for use in update loop below
uint32_t previousBaseLevel = mImage->getBaseLevel();
uint32_t previousMaxLevel = mImage->getMaxLevel();
ASSERT(baseLevel <= maxLevel);
bool baseLevelChanged = baseLevel != previousBaseLevel;
bool maxLevelChanged = (previousMaxLevel != maxLevel);
if (!(baseLevelChanged || maxLevelChanged))
{
// This scenario is a noop, most likely maxLevel has been lowered to a level that already
// reflects the current state of the image
return angle::Result::Continue;
}
if (!mImage->valid())
{
// Track the levels in our ImageHelper
mImage->setBaseAndMaxLevels(baseLevel, maxLevel);
// No further work to do, let staged updates handle the new levels
return angle::Result::Continue;
}
// With a valid image, check if only changing the maxLevel to a subset of the texture's actual
// number of mip levels
if (!baseLevelChanged && (maxLevel < baseLevel + mImage->getLevelCount()))
{
// Don't need to respecify the texture; but do need to update which vkImageView's are
// served up by ImageViewHelper
ASSERT(maxLevelChanged);
// Track the levels in our ImageHelper
mImage->setBaseAndMaxLevels(baseLevel, maxLevel);
// Update the current max level in ImageViewHelper
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
// We use a special layer count here to handle EGLImages. They might only be
// looking at one layer of a cube or 2D array texture.
uint32_t layerCount =
mState.getType() == gl::TextureType::_2D ? 1 : mImage->getLayerCount();
return initImageViews(contextVk, mImage->getFormat(), baseLevelDesc.format.info->sized,
maxLevel - baseLevel + 1, layerCount);
}
return respecifyImageAttributesAndLevels(contextVk, previousBaseLevel, baseLevel, maxLevel);
}
angle::Result TextureVk::respecifyImageAttributes(ContextVk *contextVk)
{
return respecifyImageAttributesAndLevels(contextVk, mImage->getBaseLevel(),
mState.getEffectiveBaseLevel(),
mState.getEffectiveMaxLevel());
}
angle::Result TextureVk::respecifyImageAttributesAndLevels(ContextVk *contextVk,
GLuint previousBaseLevel,
GLuint baseLevel,
GLuint maxLevel)
{
// Recreate the image to reflect new base or max levels.
// First, flush any pending updates so we have good data in the existing vkImage
if (mImage->valid() && mImage->hasStagedUpdates())
{
ANGLE_TRY(flushImageStagedUpdates(contextVk));
}
// After flushing, track the new levels (they are used in the flush, hence the wait)
mImage->setBaseAndMaxLevels(baseLevel, maxLevel);
if (!mImage->valid())
{
releaseImage(contextVk);
return angle::Result::Continue;
}
// Next, back up any data we need to preserve by staging it as updates to the new image.
// Preserve the data in the Vulkan image. GL texture's staged updates that correspond to levels
// outside the range of the Vulkan image will remain intact.
// The staged updates won't be applied until the image has the requisite mip levels
for (uint32_t layer = 0; layer < mImage->getLayerCount(); layer++)
{
for (uint32_t levelVK = 0; levelVK < mImage->getLevelCount(); levelVK++)
{
// Vulkan level 0 previously aligned with whatever the base level was.
uint32_t levelGL = levelVK + previousBaseLevel;
if (mRedefinedLevels.test(levelVK))
{
// Note: if this level is incompatibly redefined, there will necessarily be a staged
// update, and the contents of the image are to be thrown away.
ASSERT(mImage->isUpdateStaged(levelGL, layer));
continue;
}
ASSERT(!mImage->isUpdateStaged(levelGL, layer));
// Pull data from the current image and stage it as an update for the new image
// First we populate the staging buffer with current level data
ANGLE_TRY(copyAndStageImageSubresource(contextVk, true, layer, levelVK, levelGL));
}
}
// Now that we've staged all the updates, release the current image so that it will be
// recreated with the correct number of mip levels, base level, and max level.
releaseImage(contextVk);
mImage->retain(&contextVk->getResourceUseList());
return angle::Result::Continue;
}
angle::Result TextureVk::bindTexImage(const gl::Context *context, egl::Surface *surface)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
releaseAndDeleteImage(contextVk);
GLenum internalFormat = surface->getConfig()->renderTargetFormat;
const vk::Format &format = renderer->getFormat(internalFormat);
// eglBindTexImage can only be called with pbuffer (offscreen) surfaces
OffscreenSurfaceVk *offscreenSurface = GetImplAs<OffscreenSurfaceVk>(surface);
setImageHelper(contextVk, offscreenSurface->getColorAttachmentImage(), mState.getType(), format,
surface->getMipmapLevel(), 0, mState.getEffectiveBaseLevel(), false);
ASSERT(mImage->getLayerCount() == 1);
gl::Format glFormat(internalFormat);
return initImageViews(contextVk, format, glFormat.info->sized, 1, 1);
}
angle::Result TextureVk::releaseTexImage(const gl::Context *context)
{
ContextVk *contextVk = vk::GetImpl(context);
releaseImage(contextVk);
return angle::Result::Continue;
}
angle::Result TextureVk::getAttachmentRenderTarget(const gl::Context *context,
GLenum binding,
const gl::ImageIndex &imageIndex,
GLsizei samples,
FramebufferAttachmentRenderTarget **rtOut)
{
ASSERT(imageIndex.getLevelIndex() >= 0);
ContextVk *contextVk = vk::GetImpl(context);
if (!mImage->valid())
{
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
const gl::Extents &baseLevelExtents = baseLevelDesc.size;
const uint32_t levelCount = getMipLevelCount(ImageMipLevels::EnabledLevels);
const vk::Format &format = getBaseLevelFormat(contextVk->getRenderer());
ANGLE_TRY(initImage(contextVk, format, baseLevelDesc.format.info->sized, baseLevelExtents,
levelCount));
}
// If samples > 1 here, we have a singlesampled texture that's being multisampled rendered to.
// In this case, create a multisampled image that is otherwise identical to the single sampled
// image. That multisampled image is used as color or depth/stencil attachment, while the
// original image is used as the resolve attachment.
const gl::RenderToTextureImageIndex renderToTextureIndex =
static_cast<gl::RenderToTextureImageIndex>(PackSampleCount(samples));
if (samples > 1 && !mMultisampledImages[renderToTextureIndex].valid())
{
ASSERT(mState.getBaseLevelDesc().samples <= 1);
vk::ImageHelper *multisampledImage = &mMultisampledImages[renderToTextureIndex];
// Ensure the view serial is valid.
RendererVk *renderer = contextVk->getRenderer();
mMultisampledImageViews[renderToTextureIndex].init(renderer);
// The image is used as either color or depth/stencil attachment. Additionally, its memory
// is lazily allocated as the contents are discarded at the end of the renderpass and with
// tiling GPUs no actual backing memory is required.
//
// Note that the Vulkan image is created with or without
// VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT based on whether the memory that will be used to
// create the image would have VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT. TRANSIENT is
// provided if there is any memory that supports LAZILY_ALLOCATED. However, based on actual
// image requirements, such a memory may not be suitable for the image. We don't support
// such a case, which will result in the |initMemory| call below failing.
const vk::MemoryProperties &memoryProperties =
contextVk->getRenderer()->getMemoryProperties();
const bool hasLazilyAllocatedMemory = memoryProperties.hasLazilyAllocatedMemory();
const VkImageUsageFlags kMultisampledUsageFlags =
(hasLazilyAllocatedMemory ? VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT : 0) |
(mImage->getAspectFlags() == VK_IMAGE_ASPECT_COLOR_BIT
? VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
: VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
constexpr VkImageCreateFlags kMultisampledCreateFlags = 0;
ANGLE_TRY(multisampledImage->initExternal(
contextVk, mState.getType(), mImage->getExtents(), mImage->getFormat(), samples,
kMultisampledUsageFlags, kMultisampledCreateFlags, rx::vk::ImageLayout::Undefined,
nullptr, mImage->getBaseLevel(), mImage->getMaxLevel(), mImage->getLevelCount(),
mImage->getLayerCount()));
const VkMemoryPropertyFlags kMultisampledMemoryFlags =
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
(hasLazilyAllocatedMemory ? VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT : 0);
ANGLE_TRY(multisampledImage->initMemory(contextVk, renderer->getMemoryProperties(),
kMultisampledMemoryFlags));
// Remove the emulated format clear from the multisampled image if any. There is one
// already staged on the resolve image if needed.
multisampledImage->removeStagedUpdates(contextVk, multisampledImage->getBaseLevel(),
multisampledImage->getMaxLevel());
}
// Don't flush staged updates here. We'll handle that in FramebufferVk so it can defer clears.
GLuint layerIndex = 0, layerCount = 0;
GetRenderTargetLayerCountAndIndex(mImage, imageIndex, &layerCount, &layerIndex);
ANGLE_TRY(
initRenderTargets(contextVk, layerCount, imageIndex.getLevelIndex(), renderToTextureIndex));
ASSERT(imageIndex.getLevelIndex() <
static_cast<int32_t>(mRenderTargets[renderToTextureIndex].size()));
*rtOut = &mRenderTargets[renderToTextureIndex][imageIndex.getLevelIndex()][layerIndex];
return angle::Result::Continue;
}
angle::Result TextureVk::ensureImageInitialized(ContextVk *contextVk, ImageMipLevels mipLevels)
{
if (mImage->valid() && !mImage->hasStagedUpdates())
{
return angle::Result::Continue;
}
if (!mImage->valid())
{
ASSERT(!mRedefinedLevels.any());
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
const gl::Extents &baseLevelExtents = baseLevelDesc.size;
const uint32_t levelCount = getMipLevelCount(mipLevels);
const vk::Format &format = getBaseLevelFormat(contextVk->getRenderer());
ANGLE_TRY(initImage(contextVk, format, baseLevelDesc.format.info->sized, baseLevelExtents,
levelCount));
if (mipLevels == ImageMipLevels::FullMipChain)
{
// Remove staged updates to non-base mips when generating mipmaps. These can only be
// emulated format init clears that are staged in initImage.
mImage->removeStagedUpdates(contextVk, mState.getEffectiveBaseLevel() + 1,
mState.getMipmapMaxLevel());
}
}
return flushImageStagedUpdates(contextVk);
}
angle::Result TextureVk::flushImageStagedUpdates(ContextVk *contextVk)
{
ASSERT(mImage->valid());
vk::CommandBuffer *commandBuffer = nullptr;
ANGLE_TRY(contextVk->getOutsideRenderPassCommandBuffer(&commandBuffer));
return mImage->flushStagedUpdates(contextVk, getNativeImageLevel(0), mImage->getLevelCount(),
getNativeImageLayer(0), mImage->getLayerCount(),
mRedefinedLevels, commandBuffer);
}
angle::Result TextureVk::initRenderTargets(ContextVk *contextVk,
GLuint layerCount,
GLuint levelIndex,
gl::RenderToTextureImageIndex renderToTextureIndex)
{
std::vector<RenderTargetVector> &renderTargets = mRenderTargets[renderToTextureIndex];
if (renderTargets.size() <= levelIndex)
{
renderTargets.resize(levelIndex + 1);
}
// Lazy init. Check if already initialized.
if (!renderTargets[levelIndex].empty())
{
return angle::Result::Continue;
}
renderTargets[levelIndex].resize(layerCount);
for (uint32_t layerIndex = 0; layerIndex < layerCount; ++layerIndex)
{
vk::ImageHelper *drawImage = mImage;
vk::ImageViewHelper *drawImageViews = &getImageViews();
vk::ImageHelper *resolveImage = nullptr;
vk::ImageViewHelper *resolveImageViews = nullptr;
const bool isMultisampledRenderToTexture =
renderToTextureIndex != gl::RenderToTextureImageIndex::Default;
// If multisampled render to texture, use the multisampled image as draw image instead, and
// resolve into the texture's image automatically.
if (isMultisampledRenderToTexture)
{
ASSERT(mMultisampledImages[renderToTextureIndex].valid());
resolveImage = drawImage;
resolveImageViews = drawImageViews;
drawImage = &mMultisampledImages[renderToTextureIndex];
drawImageViews = &mMultisampledImageViews[renderToTextureIndex];
// If the texture is depth/stencil, GL_EXT_multisampled_render_to_texture2 explicitly
// indicates that there is no need for the image to be resolved. In that case, don't
// specify the resolve image. Note that the multisampled image's data is discarded
// nevertheless per this spec.
if (mImage->getAspectFlags() != VK_IMAGE_ASPECT_COLOR_BIT)
{
resolveImage = nullptr;
resolveImageViews = nullptr;
}
}
renderTargets[levelIndex][layerIndex].init(
drawImage, drawImageViews, resolveImage, resolveImageViews,
getNativeImageLevel(levelIndex), getNativeImageLayer(layerIndex),
isMultisampledRenderToTexture);
}
return angle::Result::Continue;
}
void TextureVk::prepareForGenerateMipmap(ContextVk *contextVk)
{
// Remove staged updates to the range that's being respecified (which is all the mips except
// mip 0).
uint32_t baseLevel = mState.getEffectiveBaseLevel() + 1;
uint32_t maxLevel = mState.getMipmapMaxLevel();
mImage->removeStagedUpdates(contextVk, baseLevel, maxLevel);
// These levels are no longer incompatibly defined if they previously were. The
// corresponding bits in mRedefinedLevels should be cleared. Note that the texture may be
// simultaneously rebased, so mImage->getBaseLevel() and getEffectiveBaseLevel() may be
// different.
static_assert(gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS < 32,
"levels mask assumes 32-bits is enough");
gl::TexLevelMask::value_type levelsMask = angle::Bit<uint32_t>(maxLevel + 1 - baseLevel) - 1;
uint32_t imageBaseLevel = mImage->getBaseLevel();
if (imageBaseLevel > baseLevel)
{
levelsMask >>= imageBaseLevel - baseLevel;
}
else
{
levelsMask <<= baseLevel - imageBaseLevel;
}
mRedefinedLevels &= gl::TexLevelMask(~levelsMask);
// If generating mipmap and base level is incompatibly redefined, the image is going to be
// recreated. Don't try to preserve the other mips.
if (mRedefinedLevels.test(0))
{
releaseImage(contextVk);
}
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
VkImageType imageType = gl_vk::GetImageType(mState.getType());
const vk::Format &format = getBaseLevelFormat(contextVk->getRenderer());
const GLint samples = baseLevelDesc.samples ? baseLevelDesc.samples : 1;
// If the compute path is to be used to generate mipmaps, add the STORAGE usage.
if (CanGenerateMipmapWithCompute(contextVk->getRenderer(), imageType, format, samples))
{
mImageUsageFlags |= VK_IMAGE_USAGE_STORAGE_BIT;
}
}
angle::Result TextureVk::syncState(const gl::Context *context,
const gl::Texture::DirtyBits &dirtyBits,
gl::Command source)
{
ContextVk *contextVk = vk::GetImpl(context);
RendererVk *renderer = contextVk->getRenderer();
VkImageUsageFlags oldUsageFlags = mImageUsageFlags;
VkImageCreateFlags oldCreateFlags = mImageCreateFlags;
// Create a new image if the storage state is enabled for the first time.
if (dirtyBits.test(gl::Texture::DIRTY_BIT_BOUND_AS_IMAGE))
{
mImageCreateFlags |= VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
mImageUsageFlags |= VK_IMAGE_USAGE_STORAGE_BIT;
}
if (dirtyBits.test(gl::Texture::DIRTY_BIT_SRGB_OVERRIDE))
{
if (mState.getSRGBOverride() != gl::SrgbOverride::Default)
{
mImageCreateFlags |= VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
mRequiresSRGBViews = true;
}
}
// Before redefining the image for any reason, check to see if it's about to go through mipmap
// generation. In that case, drop every staged change for the subsequent mips after base, and
// make sure the image is created with the complete mipchain.
bool isGenerateMipmap = source == gl::Command::GenerateMipmap;
if (isGenerateMipmap)
{
prepareForGenerateMipmap(contextVk);
}
// Set base and max level before initializing the image
if (dirtyBits.test(gl::Texture::DIRTY_BIT_MAX_LEVEL) ||
dirtyBits.test(gl::Texture::DIRTY_BIT_BASE_LEVEL))
{
ANGLE_TRY(updateBaseMaxLevels(contextVk, mState.getEffectiveBaseLevel(),
mState.getEffectiveMaxLevel()));
}
// It is possible for the image to have a single level (because it doesn't use mipmapping),
// then have more levels defined in it and mipmapping enabled. In that case, the image needs
// to be recreated.
bool isMipmapEnabledByMinFilter = false;
if (!isGenerateMipmap && mImage->valid() && dirtyBits.test(gl::Texture::DIRTY_BIT_MIN_FILTER))
{
isMipmapEnabledByMinFilter =
mImage->getLevelCount() < getMipLevelCount(ImageMipLevels::EnabledLevels);
}
// If generating mipmaps and the image needs to be recreated (not full-mip already, or changed
// usage flags), make sure it's recreated.
if (isGenerateMipmap && mImage->valid() &&
(oldUsageFlags != mImageUsageFlags ||
mImage->getLevelCount() != getMipLevelCount(ImageMipLevels::FullMipChain)))
{
ASSERT(mOwnsImage);
// Flush staged updates to the base level of the image. Note that updates to the rest of
// the levels have already been discarded through the |removeStagedUpdates| call above.
ANGLE_TRY(flushImageStagedUpdates(contextVk));
mImage->stageSelfForBaseLevel();
// Release views and render targets created for the old image.
releaseImage(contextVk);
}
// Respecify the image if it's changed in usage, or if any of its levels are redefined and no
// update to base/max levels were done (otherwise the above call would have already taken care
// of this). Note that if both base/max and image usage are changed, the image is recreated
// twice, which incurs unncessary copies. This is not expected to be happening in real
// applications.
if (oldUsageFlags != mImageUsageFlags || oldCreateFlags != mImageCreateFlags ||
mRedefinedLevels.any() || isMipmapEnabledByMinFilter)
{
ANGLE_TRY(respecifyImageAttributes(contextVk));
}
// Initialize the image storage and flush the pixel buffer.
ANGLE_TRY(ensureImageInitialized(contextVk, isGenerateMipmap ? ImageMipLevels::FullMipChain
: ImageMipLevels::EnabledLevels));
// Mask out the IMPLEMENTATION dirty bit to avoid unnecessary syncs.
gl::Texture::DirtyBits localBits = dirtyBits;
localBits.reset(gl::Texture::DIRTY_BIT_IMPLEMENTATION);
localBits.reset(gl::Texture::DIRTY_BIT_BASE_LEVEL);
localBits.reset(gl::Texture::DIRTY_BIT_MAX_LEVEL);
if (localBits.none() && mSampler.valid())
{
return angle::Result::Continue;
}
if (mSampler.valid())
{
mSampler.reset();
}
if (localBits.test(gl::Texture::DIRTY_BIT_SWIZZLE_RED) ||
localBits.test(gl::Texture::DIRTY_BIT_SWIZZLE_GREEN) ||
localBits.test(gl::Texture::DIRTY_BIT_SWIZZLE_BLUE) ||
localBits.test(gl::Texture::DIRTY_BIT_SWIZZLE_ALPHA) ||
localBits.test(gl::Texture::DIRTY_BIT_SRGB_OVERRIDE))
{
// We use a special layer count here to handle EGLImages. They might only be
// looking at one layer of a cube or 2D array texture.
uint32_t layerCount =
mState.getType() == gl::TextureType::_2D ? 1 : mImage->getLayerCount();
getImageViews().release(renderer);
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
ANGLE_TRY(initImageViews(contextVk, mImage->getFormat(), baseLevelDesc.format.info->sized,
mImage->getLevelCount(), layerCount));
}
vk::SamplerDesc samplerDesc(mState.getSamplerState(), mState.isStencilMode(),
mImage->getExternalFormat());
ANGLE_TRY(renderer->getSamplerCache().getSampler(contextVk, samplerDesc, &mSampler));
return angle::Result::Continue;
}
angle::Result TextureVk::initializeContents(const gl::Context *context,
const gl::ImageIndex &imageIndex)
{
ContextVk *contextVk = vk::GetImpl(context);
const gl::ImageDesc &desc = mState.getImageDesc(imageIndex);
const vk::Format &format =
contextVk->getRenderer()->getFormat(desc.format.info->sizedInternalFormat);
ASSERT(mImage);
// Note that we cannot ensure the image is initialized because we might be calling subImage
// on a non-complete cube map.
return mImage->stageRobustResourceClearWithFormat(contextVk, imageIndex, desc.size, format);
}
void TextureVk::releaseOwnershipOfImage(const gl::Context *context)
{
ContextVk *contextVk = vk::GetImpl(context);
mOwnsImage = false;
releaseAndDeleteImage(contextVk);
}
const vk::ImageView &TextureVk::getReadImageViewAndRecordUse(ContextVk *contextVk) const
{
ASSERT(mImage->valid());
const vk::ImageViewHelper &imageViews = getImageViews();
imageViews.retain(&contextVk->getResourceUseList());
if (mState.isStencilMode() && imageViews.hasStencilReadImageView())
{
return imageViews.getStencilReadImageView();
}
if (mState.getSRGBOverride() == gl::SrgbOverride::Enabled)
{
ASSERT(imageViews.getNonLinearReadImageView().valid());
return imageViews.getNonLinearReadImageView();
}
return imageViews.getReadImageView();
}
const vk::ImageView &TextureVk::getFetchImageViewAndRecordUse(ContextVk *contextVk) const
{
ASSERT(mImage->valid());
const vk::ImageViewHelper &imageViews = getImageViews();
imageViews.retain(&contextVk->getResourceUseList());
// We don't currently support fetch for depth/stencil cube map textures.
ASSERT(!imageViews.hasStencilReadImageView() || !imageViews.hasFetchImageView());
if (mState.getSRGBOverride() == gl::SrgbOverride::Enabled)
{
return (imageViews.hasFetchImageView() ? imageViews.getNonLinearFetchImageView()
: imageViews.getNonLinearReadImageView());
}
return (imageViews.hasFetchImageView() ? imageViews.getFetchImageView()
: imageViews.getReadImageView());
}
const vk::ImageView &TextureVk::getCopyImageViewAndRecordUse(ContextVk *contextVk) const
{
ASSERT(mImage->valid());
const vk::ImageViewHelper &imageViews = getImageViews();
imageViews.retain(&contextVk->getResourceUseList());
if (mState.getSRGBOverride() == gl::SrgbOverride::Enabled)
{
return imageViews.getNonLinearCopyImageView();
}
return imageViews.getCopyImageView();
}
angle::Result TextureVk::getLevelLayerImageView(ContextVk *contextVk,
size_t level,
size_t layer,
const vk::ImageView **imageViewOut)
{
ASSERT(mImage && mImage->valid());
uint32_t levelGL = getNativeImageLevel(static_cast<uint32_t>(level));
uint32_t nativeLayer = getNativeImageLayer(static_cast<uint32_t>(layer));
uint32_t levelVK = levelGL - mImage->getBaseLevel();
return getImageViews().getLevelLayerDrawImageView(contextVk, *mImage, levelVK, nativeLayer,
imageViewOut);
}
angle::Result TextureVk::getStorageImageView(ContextVk *contextVk,
const gl::ImageUnit &binding,
const vk::ImageView **imageViewOut)
{
angle::FormatID formatID = angle::Format::InternalFormatToID(binding.format);
const vk::Format &format = contextVk->getRenderer()->getFormat(formatID);
if (binding.layered != GL_TRUE)
{
return getLevelLayerImageView(contextVk, binding.level, binding.layer, imageViewOut);
}
uint32_t nativeLevel = getNativeImageLevel(static_cast<uint32_t>(binding.level));
uint32_t nativeLayer = getNativeImageLayer(0);
return getImageViews().getLevelDrawImageView(
contextVk, mState.getType(), *mImage, nativeLevel, nativeLayer,
VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_STORAGE_BIT, format.vkImageFormat,
imageViewOut);
}
angle::Result TextureVk::initImage(ContextVk *contextVk,
const vk::Format &format,
const bool sized,
const gl::Extents &extents,
const uint32_t levelCount)
{
RendererVk *renderer = contextVk->getRenderer();
VkExtent3D vkExtent;
uint32_t layerCount;
gl_vk::GetExtentsAndLayerCount(mState.getType(), extents, &vkExtent, &layerCount);
GLint samples = mState.getBaseLevelDesc().samples ? mState.getBaseLevelDesc().samples : 1;
ANGLE_TRY(mImage->initExternal(
contextVk, mState.getType(), vkExtent, format, samples, mImageUsageFlags, mImageCreateFlags,
rx::vk::ImageLayout::Undefined, nullptr, mState.getEffectiveBaseLevel(),
mState.getEffectiveMaxLevel(), levelCount, layerCount));
const VkMemoryPropertyFlags flags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
ANGLE_TRY(mImage->initMemory(contextVk, renderer->getMemoryProperties(), flags));
ANGLE_TRY(initImageViews(contextVk, format, sized, levelCount, layerCount));
return angle::Result::Continue;
}
angle::Result TextureVk::initImageViews(ContextVk *contextVk,
const vk::Format &format,
const bool sized,
uint32_t levelCount,
uint32_t layerCount)
{
ASSERT(mImage != nullptr && mImage->valid());
uint32_t baseLevel = getNativeImageLevel(0);
uint32_t baseLayer = getNativeImageLayer(0);
gl::SwizzleState formatSwizzle = GetFormatSwizzle(contextVk, format, sized);
gl::SwizzleState readSwizzle = ApplySwizzle(formatSwizzle, mState.getSwizzleState());
ANGLE_TRY(getImageViews().initReadViews(contextVk, mState.getType(), *mImage, format,
formatSwizzle, readSwizzle, baseLevel, levelCount,
baseLayer, layerCount, mRequiresSRGBViews,
mImageUsageFlags & ~VK_IMAGE_USAGE_STORAGE_BIT));
return angle::Result::Continue;
}
void TextureVk::releaseImage(ContextVk *contextVk)
{
RendererVk *renderer = contextVk->getRenderer();
if (mImage)
{
if (mOwnsImage)
{
mImage->releaseImage(renderer);
}
else
{
mImageObserverBinding.bind(nullptr);
mImage = nullptr;
}
}
for (vk::ImageHelper &image : mMultisampledImages)
{
if (image.valid())
{
image.releaseImage(renderer);
}
}
for (vk::ImageViewHelper &imageViews : mMultisampledImageViews)
{
imageViews.release(renderer);
}
for (auto &renderTargets : mRenderTargets)
{
for (RenderTargetVector &renderTargetLevels : renderTargets)
{
// Clear the layers tracked for each level
renderTargetLevels.clear();
}
// Then clear the levels
renderTargets.clear();
}
onStateChange(angle::SubjectMessage::SubjectChanged);
mRedefinedLevels.reset();
}
void TextureVk::releaseStagingBuffer(ContextVk *contextVk)
{
if (mImage)
{
mImage->releaseStagingBuffer(contextVk->getRenderer());
}
}
uint32_t TextureVk::getMipLevelCount(ImageMipLevels mipLevels) const
{
switch (mipLevels)
{
case ImageMipLevels::EnabledLevels:
return mState.getEnabledLevelCount();
case ImageMipLevels::FullMipChain:
return getMaxLevelCount() - mState.getEffectiveBaseLevel();
default:
UNREACHABLE();
return 0;
}
}
uint32_t TextureVk::getMaxLevelCount() const
{
// getMipmapMaxLevel will be 0 here if mipmaps are not used, so the levelCount is always +1.
return mState.getMipmapMaxLevel() + 1;
}
angle::Result TextureVk::generateMipmapLevelsWithCPU(ContextVk *contextVk,
const angle::Format &sourceFormat,
GLuint layer,
GLuint firstMipLevel,
GLuint maxMipLevel,
const size_t sourceWidth,
const size_t sourceHeight,
const size_t sourceDepth,
const size_t sourceRowPitch,
const size_t sourceDepthPitch,
uint8_t *sourceData)
{
size_t previousLevelWidth = sourceWidth;
size_t previousLevelHeight = sourceHeight;
size_t previousLevelDepth = sourceDepth;
uint8_t *previousLevelData = sourceData;
size_t previousLevelRowPitch = sourceRowPitch;
size_t previousLevelDepthPitch = sourceDepthPitch;
for (GLuint currentMipLevel = firstMipLevel; currentMipLevel <= maxMipLevel; currentMipLevel++)
{
// Compute next level width and height.
size_t mipWidth = std::max<size_t>(1, previousLevelWidth >> 1);
size_t mipHeight = std::max<size_t>(1, previousLevelHeight >> 1);
size_t mipDepth = std::max<size_t>(1, previousLevelDepth >> 1);
// With the width and height of the next mip, we can allocate the next buffer we need.
uint8_t *destData = nullptr;
size_t destRowPitch = mipWidth * sourceFormat.pixelBytes;
size_t destDepthPitch = destRowPitch * mipHeight;
size_t mipAllocationSize = destDepthPitch * mipDepth;
gl::Extents mipLevelExtents(static_cast<int>(mipWidth), static_cast<int>(mipHeight),
static_cast<int>(mipDepth));
ANGLE_TRY(mImage->stageSubresourceUpdateAndGetData(
contextVk, mipAllocationSize,
gl::ImageIndex::MakeFromType(mState.getType(), currentMipLevel, layer), mipLevelExtents,
gl::Offset(), &destData));
// Generate the mipmap into that new buffer
sourceFormat.mipGenerationFunction(
previousLevelWidth, previousLevelHeight, previousLevelDepth, previousLevelData,
previousLevelRowPitch, previousLevelDepthPitch, destData, destRowPitch, destDepthPitch);
// Swap for the next iteration
previousLevelWidth = mipWidth;
previousLevelHeight = mipHeight;
previousLevelDepth = mipDepth;
previousLevelData = destData;
previousLevelRowPitch = destRowPitch;
previousLevelDepthPitch = destDepthPitch;
}
return angle::Result::Continue;
}
const gl::InternalFormat &TextureVk::getImplementationSizedFormat(const gl::Context *context) const
{
GLenum sizedFormat = GL_NONE;
if (mImage && mImage->valid())
{
sizedFormat = mImage->getFormat().actualImageFormat().glInternalFormat;
}
else
{
ContextVk *contextVk = vk::GetImpl(context);
const vk::Format &format = getBaseLevelFormat(contextVk->getRenderer());
sizedFormat = format.actualImageFormat().glInternalFormat;
}
return gl::GetSizedInternalFormatInfo(sizedFormat);
}
GLenum TextureVk::getColorReadFormat(const gl::Context *context)
{
const gl::InternalFormat &sizedFormat = getImplementationSizedFormat(context);
return sizedFormat.format;
}
GLenum TextureVk::getColorReadType(const gl::Context *context)
{
const gl::InternalFormat &sizedFormat = getImplementationSizedFormat(context);
return sizedFormat.type;
}
angle::Result TextureVk::getTexImage(const gl::Context *context,
const gl::PixelPackState &packState,
gl::Buffer *packBuffer,
gl::TextureTarget target,
GLint level,
GLenum format,
GLenum type,
void *pixels)
{
ContextVk *contextVk = vk::GetImpl(context);
// Assumes Texture is consistent.
// TODO(http://anglebug.com/4058): Handle incomplete textures.
if (!mImage || !mImage->valid())
{
ANGLE_TRY(ensureImageInitialized(contextVk, ImageMipLevels::EnabledLevels));
}
size_t layer =
gl::IsCubeMapFaceTarget(target) ? gl::CubeMapTextureTargetToFaceIndex(target) : 0;
gl::MaybeOverrideLuminance(format, type, getColorReadFormat(context),
getColorReadType(context));
return mImage->readPixelsForGetImage(contextVk, packState, packBuffer, level,
static_cast<uint32_t>(layer), format, type, pixels);
}
const vk::Format &TextureVk::getBaseLevelFormat(RendererVk *renderer) const
{
const gl::ImageDesc &baseLevelDesc = mState.getBaseLevelDesc();
return renderer->getFormat(baseLevelDesc.format.info->sizedInternalFormat);
}
void TextureVk::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
{
ASSERT(index == kTextureImageSubjectIndex && message == angle::SubjectMessage::SubjectChanged);
// Forward the notification to the parent that the staging buffer changed.
onStateChange(angle::SubjectMessage::SubjectChanged);
}
vk::ImageViewSubresourceSerial TextureVk::getImageViewSubresourceSerial() const
{
uint32_t baseLevel = mState.getEffectiveBaseLevel();
// getMipmapMaxLevel will clamp to the max level if it is smaller than the number of mips.
uint32_t levelCount = mState.getMipmapMaxLevel() - baseLevel + 1;
return getImageViews().getSubresourceSerial(baseLevel, levelCount, 0, vk::LayerMode::All);
}
} // namespace rx