| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/GrResourceProvider.h" |
| |
| #include "include/gpu/GrBackendSemaphore.h" |
| #include "include/private/GrResourceKey.h" |
| #include "include/private/GrSingleOwner.h" |
| #include "src/core/SkConvertPixels.h" |
| #include "src/core/SkMathPriv.h" |
| #include "src/core/SkMipmap.h" |
| #include "src/gpu/GrAttachment.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrDataUtils.h" |
| #include "src/gpu/GrGpu.h" |
| #include "src/gpu/GrGpuBuffer.h" |
| #include "src/gpu/GrImageInfo.h" |
| #include "src/gpu/GrPath.h" |
| #include "src/gpu/GrPathRendering.h" |
| #include "src/gpu/GrProxyProvider.h" |
| #include "src/gpu/GrRenderTarget.h" |
| #include "src/gpu/GrResourceCache.h" |
| #include "src/gpu/GrSemaphore.h" |
| #include "src/gpu/GrTexture.h" |
| #include "src/gpu/SkGr.h" |
| |
| const int GrResourceProvider::kMinScratchTextureSize = 16; |
| |
| #define ASSERT_SINGLE_OWNER GR_ASSERT_SINGLE_OWNER(fSingleOwner) |
| |
| GrResourceProvider::GrResourceProvider(GrGpu* gpu, GrResourceCache* cache, GrSingleOwner* owner) |
| : fCache(cache) |
| , fGpu(gpu) |
| #ifdef SK_DEBUG |
| , fSingleOwner(owner) |
| #endif |
| { |
| fCaps = sk_ref_sp(fGpu->caps()); |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::createTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrColorType colorType, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| SkBudgeted budgeted, |
| GrMipMapped mipMapped, |
| GrProtected isProtected, |
| const GrMipLevel texels[]) { |
| ASSERT_SINGLE_OWNER |
| |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| int numMipLevels = 1; |
| if (mipMapped == GrMipMapped::kYes) { |
| numMipLevels = SkMipmap::ComputeLevelCount(dimensions.fWidth, dimensions.fHeight) + 1; |
| } |
| |
| if (!fCaps->validateSurfaceParams(dimensions, format, renderable, renderTargetSampleCnt, |
| mipMapped)) { |
| return nullptr; |
| } |
| // Current rule is that you can provide no level data, just the base, or all the levels. |
| bool hasPixels = texels[0].fPixels; |
| auto scratch = this->getExactScratch(dimensions, format, renderable, renderTargetSampleCnt, |
| budgeted, mipMapped, isProtected); |
| if (scratch) { |
| if (!hasPixels) { |
| return scratch; |
| } |
| return this->writePixels(std::move(scratch), colorType, dimensions, texels, numMipLevels); |
| } |
| SkAutoSTMalloc<14, GrMipLevel> tmpTexels; |
| SkAutoSTArray<14, std::unique_ptr<char[]>> tmpDatas; |
| GrColorType tempColorType = GrColorType::kUnknown; |
| if (hasPixels) { |
| tempColorType = this->prepareLevels(format, colorType, dimensions, texels, numMipLevels, |
| &tmpTexels, &tmpDatas); |
| if (tempColorType == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| } |
| return fGpu->createTexture(dimensions, format, renderable, renderTargetSampleCnt, budgeted, |
| isProtected, colorType, tempColorType, tmpTexels.get(), |
| numMipLevels); |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::getExactScratch(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| SkBudgeted budgeted, |
| GrMipmapped mipMapped, |
| GrProtected isProtected) { |
| sk_sp<GrTexture> tex(this->refScratchTexture(dimensions, format, renderable, |
| renderTargetSampleCnt, mipMapped, isProtected)); |
| if (tex && SkBudgeted::kNo == budgeted) { |
| tex->resourcePriv().makeUnbudgeted(); |
| } |
| |
| return tex; |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::createTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrColorType colorType, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| SkBudgeted budgeted, |
| SkBackingFit fit, |
| GrProtected isProtected, |
| const GrMipLevel& mipLevel) { |
| ASSERT_SINGLE_OWNER |
| |
| if (!mipLevel.fPixels) { |
| return nullptr; |
| } |
| |
| if (SkBackingFit::kApprox == fit) { |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| if (!fCaps->validateSurfaceParams(dimensions, format, renderable, renderTargetSampleCnt, |
| GrMipmapped::kNo)) { |
| return nullptr; |
| } |
| |
| auto tex = this->createApproxTexture(dimensions, format, renderable, renderTargetSampleCnt, |
| isProtected); |
| if (!tex) { |
| return nullptr; |
| } |
| return this->writePixels(std::move(tex), colorType, dimensions, &mipLevel, 1); |
| } else { |
| return this->createTexture(dimensions, format, colorType, renderable, renderTargetSampleCnt, |
| budgeted, GrMipMapped::kNo, isProtected, &mipLevel); |
| } |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::createCompressedTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| SkBudgeted budgeted, |
| GrMipmapped mipMapped, |
| GrProtected isProtected, |
| SkData* data) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| return fGpu->createCompressedTexture(dimensions, format, budgeted, mipMapped, |
| isProtected, data->data(), data->size()); |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::createTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| GrMipmapped mipMapped, |
| SkBudgeted budgeted, |
| GrProtected isProtected) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| if (!fCaps->validateSurfaceParams(dimensions, format, renderable, renderTargetSampleCnt, |
| mipMapped)) { |
| return nullptr; |
| } |
| |
| // Currently we don't recycle compressed textures as scratch. Additionally all compressed |
| // textures should be created through the createCompressedTexture function. |
| SkASSERT(!this->caps()->isFormatCompressed(format)); |
| |
| // TODO: Support GrMipmapped::kYes in scratch texture lookup here. |
| sk_sp<GrTexture> tex = |
| this->getExactScratch(dimensions, format, renderable, renderTargetSampleCnt, budgeted, |
| mipMapped, isProtected); |
| if (tex) { |
| return tex; |
| } |
| |
| return fGpu->createTexture(dimensions, format, renderable, renderTargetSampleCnt, mipMapped, |
| budgeted, isProtected); |
| } |
| |
| // Map 'value' to a larger multiple of 2. Values <= 'kMagicTol' will pop up to |
| // the next power of 2. Those above 'kMagicTol' will only go up half the floor power of 2. |
| SkISize GrResourceProvider::MakeApprox(SkISize dimensions) { |
| auto adjust = [](int value) { |
| static const int kMagicTol = 1024; |
| |
| value = std::max(kMinScratchTextureSize, value); |
| |
| if (SkIsPow2(value)) { |
| return value; |
| } |
| |
| int ceilPow2 = SkNextPow2(value); |
| if (value <= kMagicTol) { |
| return ceilPow2; |
| } |
| |
| int floorPow2 = ceilPow2 >> 1; |
| int mid = floorPow2 + (floorPow2 >> 1); |
| |
| if (value <= mid) { |
| return mid; |
| } |
| return ceilPow2; |
| }; |
| |
| return {adjust(dimensions.width()), adjust(dimensions.height())}; |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::createApproxTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| GrProtected isProtected) { |
| ASSERT_SINGLE_OWNER |
| |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| // Currently we don't recycle compressed textures as scratch. Additionally all compressed |
| // textures should be created through the createCompressedTexture function. |
| SkASSERT(!this->caps()->isFormatCompressed(format)); |
| |
| if (!fCaps->validateSurfaceParams(dimensions, format, renderable, renderTargetSampleCnt, |
| GrMipmapped::kNo)) { |
| return nullptr; |
| } |
| |
| auto copyDimensions = MakeApprox(dimensions); |
| |
| if (auto tex = this->refScratchTexture(copyDimensions, format, renderable, |
| renderTargetSampleCnt, GrMipmapped::kNo, isProtected)) { |
| return tex; |
| } |
| |
| return fGpu->createTexture(copyDimensions, format, renderable, renderTargetSampleCnt, |
| GrMipmapped::kNo, SkBudgeted::kYes, isProtected); |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::refScratchTexture(SkISize dimensions, |
| const GrBackendFormat& format, |
| GrRenderable renderable, |
| int renderTargetSampleCnt, |
| GrMipmapped mipMapped, |
| GrProtected isProtected) { |
| ASSERT_SINGLE_OWNER |
| SkASSERT(!this->isAbandoned()); |
| SkASSERT(!this->caps()->isFormatCompressed(format)); |
| SkASSERT(fCaps->validateSurfaceParams(dimensions, format, renderable, renderTargetSampleCnt, |
| GrMipmapped::kNo)); |
| |
| // We could make initial clears work with scratch textures but it is a rare case so we just opt |
| // to fall back to making a new texture. |
| if (fGpu->caps()->reuseScratchTextures() || renderable == GrRenderable::kYes) { |
| GrScratchKey key; |
| GrTexture::ComputeScratchKey(*this->caps(), format, dimensions, renderable, |
| renderTargetSampleCnt, mipMapped, isProtected, &key); |
| GrGpuResource* resource = fCache->findAndRefScratchResource(key); |
| if (resource) { |
| fGpu->stats()->incNumScratchTexturesReused(); |
| GrSurface* surface = static_cast<GrSurface*>(resource); |
| return sk_sp<GrTexture>(surface->asTexture()); |
| } |
| } |
| |
| return nullptr; |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::wrapBackendTexture(const GrBackendTexture& tex, |
| GrWrapOwnership ownership, |
| GrWrapCacheable cacheable, |
| GrIOType ioType) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| return fGpu->wrapBackendTexture(tex, ownership, cacheable, ioType); |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::wrapCompressedBackendTexture(const GrBackendTexture& tex, |
| GrWrapOwnership ownership, |
| GrWrapCacheable cacheable) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| return fGpu->wrapCompressedBackendTexture(tex, ownership, cacheable); |
| } |
| |
| |
| sk_sp<GrTexture> GrResourceProvider::wrapRenderableBackendTexture(const GrBackendTexture& tex, |
| int sampleCnt, |
| GrWrapOwnership ownership, |
| GrWrapCacheable cacheable) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| return fGpu->wrapRenderableBackendTexture(tex, sampleCnt, ownership, cacheable); |
| } |
| |
| sk_sp<GrRenderTarget> GrResourceProvider::wrapBackendRenderTarget( |
| const GrBackendRenderTarget& backendRT) { |
| ASSERT_SINGLE_OWNER |
| return this->isAbandoned() ? nullptr : fGpu->wrapBackendRenderTarget(backendRT); |
| } |
| |
| sk_sp<GrRenderTarget> GrResourceProvider::wrapVulkanSecondaryCBAsRenderTarget( |
| const SkImageInfo& imageInfo, const GrVkDrawableInfo& vkInfo) { |
| ASSERT_SINGLE_OWNER |
| return this->isAbandoned() ? nullptr : fGpu->wrapVulkanSecondaryCBAsRenderTarget(imageInfo, |
| vkInfo); |
| |
| } |
| |
| void GrResourceProvider::assignUniqueKeyToResource(const GrUniqueKey& key, |
| GrGpuResource* resource) { |
| ASSERT_SINGLE_OWNER |
| if (this->isAbandoned() || !resource) { |
| return; |
| } |
| resource->resourcePriv().setUniqueKey(key); |
| } |
| |
| sk_sp<GrGpuResource> GrResourceProvider::findResourceByUniqueKey(const GrUniqueKey& key) { |
| ASSERT_SINGLE_OWNER |
| return this->isAbandoned() ? nullptr |
| : sk_sp<GrGpuResource>(fCache->findAndRefUniqueResource(key)); |
| } |
| |
| sk_sp<const GrGpuBuffer> GrResourceProvider::findOrMakeStaticBuffer(GrGpuBufferType intendedType, |
| size_t size, |
| const void* data, |
| const GrUniqueKey& key) { |
| if (auto buffer = this->findByUniqueKey<GrGpuBuffer>(key)) { |
| return std::move(buffer); |
| } |
| if (auto buffer = this->createBuffer(size, intendedType, kStatic_GrAccessPattern, data)) { |
| // We shouldn't bin and/or cache static buffers. |
| SkASSERT(buffer->size() == size); |
| SkASSERT(!buffer->resourcePriv().getScratchKey().isValid()); |
| buffer->resourcePriv().setUniqueKey(key); |
| return sk_sp<const GrGpuBuffer>(buffer); |
| } |
| return nullptr; |
| } |
| |
| sk_sp<const GrGpuBuffer> GrResourceProvider::createPatternedIndexBuffer(const uint16_t* pattern, |
| int patternSize, |
| int reps, |
| int vertCount, |
| const GrUniqueKey* key) { |
| size_t bufferSize = patternSize * reps * sizeof(uint16_t); |
| |
| sk_sp<GrGpuBuffer> buffer( |
| this->createBuffer(bufferSize, GrGpuBufferType::kIndex, kStatic_GrAccessPattern)); |
| if (!buffer) { |
| return nullptr; |
| } |
| uint16_t* data = (uint16_t*) buffer->map(); |
| SkAutoTArray<uint16_t> temp; |
| if (!data) { |
| temp.reset(reps * patternSize); |
| data = temp.get(); |
| } |
| for (int i = 0; i < reps; ++i) { |
| int baseIdx = i * patternSize; |
| uint16_t baseVert = (uint16_t)(i * vertCount); |
| for (int j = 0; j < patternSize; ++j) { |
| data[baseIdx+j] = baseVert + pattern[j]; |
| } |
| } |
| if (temp.get()) { |
| if (!buffer->updateData(data, bufferSize)) { |
| return nullptr; |
| } |
| } else { |
| buffer->unmap(); |
| } |
| if (key) { |
| SkASSERT(key->isValid()); |
| this->assignUniqueKeyToResource(*key, buffer.get()); |
| } |
| return std::move(buffer); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| static constexpr int kMaxNumNonAAQuads = 1 << 12; // max possible: (1 << 14) - 1; |
| static const int kVertsPerNonAAQuad = 4; |
| static const int kIndicesPerNonAAQuad = 6; |
| |
| sk_sp<const GrGpuBuffer> GrResourceProvider::createNonAAQuadIndexBuffer() { |
| static_assert(kVertsPerNonAAQuad * kMaxNumNonAAQuads <= 65535); // indices fit in a uint16_t |
| |
| static const uint16_t kNonAAQuadIndexPattern[] = { |
| 0, 1, 2, 2, 1, 3 |
| }; |
| |
| static_assert(SK_ARRAY_COUNT(kNonAAQuadIndexPattern) == kIndicesPerNonAAQuad); |
| |
| return this->createPatternedIndexBuffer(kNonAAQuadIndexPattern, kIndicesPerNonAAQuad, |
| kMaxNumNonAAQuads, kVertsPerNonAAQuad, nullptr); |
| } |
| |
| int GrResourceProvider::MaxNumNonAAQuads() { return kMaxNumNonAAQuads; } |
| int GrResourceProvider::NumVertsPerNonAAQuad() { return kVertsPerNonAAQuad; } |
| int GrResourceProvider::NumIndicesPerNonAAQuad() { return kIndicesPerNonAAQuad; } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| static constexpr int kMaxNumAAQuads = 1 << 9; // max possible: (1 << 13) - 1; |
| static const int kVertsPerAAQuad = 8; |
| static const int kIndicesPerAAQuad = 30; |
| |
| sk_sp<const GrGpuBuffer> GrResourceProvider::createAAQuadIndexBuffer() { |
| static_assert(kVertsPerAAQuad * kMaxNumAAQuads <= 65535); // indices fit in a uint16_t |
| |
| // clang-format off |
| static const uint16_t kAAQuadIndexPattern[] = { |
| 0, 1, 2, 1, 3, 2, |
| 0, 4, 1, 4, 5, 1, |
| 0, 6, 4, 0, 2, 6, |
| 2, 3, 6, 3, 7, 6, |
| 1, 5, 3, 3, 5, 7, |
| }; |
| // clang-format on |
| |
| static_assert(SK_ARRAY_COUNT(kAAQuadIndexPattern) == kIndicesPerAAQuad); |
| |
| return this->createPatternedIndexBuffer(kAAQuadIndexPattern, kIndicesPerAAQuad, |
| kMaxNumAAQuads, kVertsPerAAQuad, nullptr); |
| } |
| |
| int GrResourceProvider::MaxNumAAQuads() { return kMaxNumAAQuads; } |
| int GrResourceProvider::NumVertsPerAAQuad() { return kVertsPerAAQuad; } |
| int GrResourceProvider::NumIndicesPerAAQuad() { return kIndicesPerAAQuad; } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| sk_sp<GrPath> GrResourceProvider::createPath(const SkPath& path, const GrStyle& style) { |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| SkASSERT(this->gpu()->pathRendering()); |
| return this->gpu()->pathRendering()->createPath(path, style); |
| } |
| |
| sk_sp<GrGpuBuffer> GrResourceProvider::createBuffer(size_t size, GrGpuBufferType intendedType, |
| GrAccessPattern accessPattern, |
| const void* data) { |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| if (kDynamic_GrAccessPattern != accessPattern) { |
| return this->gpu()->createBuffer(size, intendedType, accessPattern, data); |
| } |
| // bin by pow2+midpoint with a reasonable min |
| static const size_t MIN_SIZE = 1 << 12; |
| static const size_t MIN_UNIFORM_SIZE = 1 << 7; |
| size_t allocSize = intendedType == GrGpuBufferType::kUniform ? std::max(size, MIN_UNIFORM_SIZE) |
| : std::max(size, MIN_SIZE); |
| size_t ceilPow2 = GrNextSizePow2(allocSize); |
| size_t floorPow2 = ceilPow2 >> 1; |
| size_t mid = floorPow2 + (floorPow2 >> 1); |
| allocSize = (allocSize <= mid) ? mid : ceilPow2; |
| |
| GrScratchKey key; |
| GrGpuBuffer::ComputeScratchKeyForDynamicBuffer(allocSize, intendedType, &key); |
| auto buffer = |
| sk_sp<GrGpuBuffer>(static_cast<GrGpuBuffer*>(this->cache()->findAndRefScratchResource( |
| key))); |
| if (!buffer) { |
| buffer = this->gpu()->createBuffer(allocSize, intendedType, kDynamic_GrAccessPattern); |
| if (!buffer) { |
| return nullptr; |
| } |
| } |
| if (data) { |
| buffer->updateData(data, size); |
| } |
| return buffer; |
| } |
| |
| bool GrResourceProvider::attachStencilAttachment(GrRenderTarget* rt, int numStencilSamples) { |
| SkASSERT(rt); |
| GrAttachment* stencil = rt->getStencilAttachment(); |
| if (stencil && stencil->numSamples() == numStencilSamples) { |
| return true; |
| } |
| |
| if (!rt->wasDestroyed() && rt->canAttemptStencilAttachment()) { |
| GrUniqueKey sbKey; |
| |
| #if 0 |
| if (this->caps()->oversizedStencilSupport()) { |
| width = SkNextPow2(width); |
| height = SkNextPow2(height); |
| } |
| #endif |
| GrBackendFormat stencilFormat = |
| this->gpu()->getPreferredStencilFormat(rt->backendFormat()); |
| if (!stencilFormat.isValid()) { |
| return false; |
| } |
| GrProtected isProtected = rt->isProtected() ? GrProtected::kYes : GrProtected::kNo; |
| GrAttachment::ComputeSharedAttachmentUniqueKey( |
| *this->caps(), stencilFormat, rt->dimensions(), |
| GrAttachment::UsageFlags::kStencilAttachment, numStencilSamples, isProtected, |
| &sbKey); |
| auto stencil = this->findByUniqueKey<GrAttachment>(sbKey); |
| if (!stencil) { |
| // Need to try and create a new stencil |
| stencil = this->gpu()->makeStencilAttachmentForRenderTarget(rt, rt->dimensions(), |
| numStencilSamples); |
| if (!stencil) { |
| return false; |
| } |
| this->assignUniqueKeyToResource(sbKey, stencil.get()); |
| } |
| rt->attachStencilAttachment(std::move(stencil)); |
| } |
| |
| if (GrAttachment* stencil = rt->getStencilAttachment()) { |
| return stencil->numSamples() == numStencilSamples; |
| } |
| return false; |
| } |
| |
| sk_sp<GrAttachment> GrResourceProvider::makeMSAAAttachment(SkISize dimensions, |
| const GrBackendFormat& format, |
| int sampleCnt, |
| GrProtected isProtected) { |
| ASSERT_SINGLE_OWNER |
| |
| SkASSERT(sampleCnt > 1); |
| |
| if (this->isAbandoned()) { |
| return nullptr; |
| } |
| |
| if (!fCaps->validateSurfaceParams(dimensions, format, GrRenderable::kYes, sampleCnt, |
| GrMipMapped::kNo)) { |
| return nullptr; |
| } |
| |
| auto scratch = this->refScratchMSAAAttachment(dimensions, format, sampleCnt, isProtected); |
| if (scratch) { |
| return scratch; |
| } |
| |
| return fGpu->makeMSAAAttachment(dimensions, format, sampleCnt, isProtected); |
| } |
| |
| sk_sp<GrAttachment> GrResourceProvider::refScratchMSAAAttachment(SkISize dimensions, |
| const GrBackendFormat& format, |
| int sampleCnt, |
| GrProtected isProtected) { |
| ASSERT_SINGLE_OWNER |
| SkASSERT(!this->isAbandoned()); |
| SkASSERT(!this->caps()->isFormatCompressed(format)); |
| SkASSERT(fCaps->validateSurfaceParams(dimensions, format, GrRenderable::kYes, sampleCnt, |
| GrMipmapped::kNo)); |
| |
| GrScratchKey key; |
| GrAttachment::ComputeScratchKey(*this->caps(), format, dimensions, |
| GrAttachment::UsageFlags::kColorAttachment, sampleCnt, |
| isProtected, &key); |
| GrGpuResource* resource = fCache->findAndRefScratchResource(key); |
| if (resource) { |
| fGpu->stats()->incNumScratchMSAAAttachmentsReused(); |
| GrAttachment* attachment = static_cast<GrAttachment*>(resource); |
| return sk_sp<GrAttachment>(attachment); |
| } |
| |
| return nullptr; |
| } |
| |
| std::unique_ptr<GrSemaphore> SK_WARN_UNUSED_RESULT GrResourceProvider::makeSemaphore( |
| bool isOwned) { |
| return this->isAbandoned() ? nullptr : fGpu->makeSemaphore(isOwned); |
| } |
| |
| std::unique_ptr<GrSemaphore> GrResourceProvider::wrapBackendSemaphore( |
| const GrBackendSemaphore& semaphore, |
| SemaphoreWrapType wrapType, |
| GrWrapOwnership ownership) { |
| ASSERT_SINGLE_OWNER |
| return this->isAbandoned() ? nullptr : fGpu->wrapBackendSemaphore(semaphore, |
| wrapType, |
| ownership); |
| } |
| |
| // Ensures the row bytes are populated (not 0) and makes a copy to a temporary |
| // to make the row bytes tight if necessary. Returns false if the input row bytes are invalid. |
| static bool prepare_level(const GrMipLevel& inLevel, |
| SkISize dimensions, |
| bool rowBytesSupport, |
| GrColorType origColorType, |
| GrColorType allowedColorType, |
| GrMipLevel* outLevel, |
| std::unique_ptr<char[]>* data) { |
| if (!inLevel.fPixels) { |
| outLevel->fPixels = nullptr; |
| outLevel->fRowBytes = 0; |
| return true; |
| } |
| size_t minRB = dimensions.fWidth * GrColorTypeBytesPerPixel(origColorType); |
| size_t actualRB = inLevel.fRowBytes ? inLevel.fRowBytes : minRB; |
| if (actualRB < minRB) { |
| return false; |
| } |
| if (origColorType == allowedColorType && (actualRB == minRB || rowBytesSupport)) { |
| outLevel->fRowBytes = actualRB; |
| outLevel->fPixels = inLevel.fPixels; |
| return true; |
| } |
| auto tempRB = dimensions.fWidth * GrColorTypeBytesPerPixel(allowedColorType); |
| data->reset(new char[tempRB * dimensions.fHeight]); |
| outLevel->fPixels = data->get(); |
| outLevel->fRowBytes = tempRB; |
| GrImageInfo srcInfo(origColorType, kUnpremul_SkAlphaType, nullptr, dimensions); |
| GrImageInfo dstInfo(allowedColorType, kUnpremul_SkAlphaType, nullptr, dimensions); |
| return GrConvertPixels(dstInfo, data->get(), tempRB, srcInfo, inLevel.fPixels, actualRB); |
| } |
| |
| GrColorType GrResourceProvider::prepareLevels(const GrBackendFormat& format, |
| GrColorType colorType, |
| SkISize baseSize, |
| const GrMipLevel texels[], |
| int mipLevelCount, |
| TempLevels* tempLevels, |
| TempLevelDatas* tempLevelDatas) const { |
| SkASSERT(mipLevelCount && texels && texels[0].fPixels); |
| |
| auto allowedColorType = |
| this->caps()->supportedWritePixelsColorType(colorType, format, colorType).fColorType; |
| if (allowedColorType == GrColorType::kUnknown) { |
| return GrColorType::kUnknown; |
| } |
| bool rowBytesSupport = this->caps()->writePixelsRowBytesSupport(); |
| tempLevels->reset(mipLevelCount); |
| tempLevelDatas->reset(mipLevelCount); |
| auto size = baseSize; |
| for (int i = 0; i < mipLevelCount; ++i) { |
| if (!prepare_level(texels[i], size, rowBytesSupport, colorType, allowedColorType, |
| &(*tempLevels)[i], &(*tempLevelDatas)[i])) { |
| return GrColorType::kUnknown; |
| } |
| size = {std::max(size.fWidth / 2, 1), std::max(size.fHeight / 2, 1)}; |
| } |
| return allowedColorType; |
| } |
| |
| sk_sp<GrTexture> GrResourceProvider::writePixels(sk_sp<GrTexture> texture, |
| GrColorType colorType, |
| SkISize baseSize, |
| const GrMipLevel texels[], |
| int mipLevelCount) const { |
| SkASSERT(!this->isAbandoned()); |
| SkASSERT(texture); |
| SkASSERT(colorType != GrColorType::kUnknown); |
| SkASSERT(mipLevelCount && texels && texels[0].fPixels); |
| |
| SkAutoSTMalloc<14, GrMipLevel> tmpTexels; |
| SkAutoSTArray<14, std::unique_ptr<char[]>> tmpDatas; |
| auto tempColorType = this->prepareLevels(texture->backendFormat(), colorType, baseSize, texels, |
| mipLevelCount, &tmpTexels, &tmpDatas); |
| if (tempColorType == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| SkAssertResult(fGpu->writePixels(texture.get(), 0, 0, baseSize.fWidth, baseSize.fHeight, |
| colorType, tempColorType, tmpTexels.get(), mipLevelCount)); |
| return texture; |
| } |
