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/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <memory>
#include "include/gpu/GrContextThreadSafeProxy.h"
#include "src/gpu/ganesh/GrContextThreadSafeProxyPriv.h"
#include "include/core/SkSurfaceCharacterization.h"
#include "src/gpu/ganesh/GrBaseContextPriv.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrThreadSafeCache.h"
#include "src/gpu/ganesh/GrThreadSafePipelineBuilder.h"
#include "src/gpu/ganesh/effects/GrSkSLFP.h"
#include "src/image/SkSurface_Gpu.h"
#ifdef SK_VULKAN
#include "src/gpu/ganesh/vk/GrVkCaps.h"
#endif
static int32_t next_id() {
static std::atomic<int32_t> nextID{1};
int32_t id;
do {
id = nextID.fetch_add(1, std::memory_order_relaxed);
} while (id == SK_InvalidGenID);
return id;
}
GrContextThreadSafeProxy::GrContextThreadSafeProxy(GrBackendApi backend,
const GrContextOptions& options)
: fBackend(backend), fOptions(options), fContextID(next_id()) {
}
GrContextThreadSafeProxy::~GrContextThreadSafeProxy() = default;
void GrContextThreadSafeProxy::init(sk_sp<const GrCaps> caps,
sk_sp<GrThreadSafePipelineBuilder> pipelineBuilder) {
fCaps = std::move(caps);
fTextBlobRedrawCoordinator =
std::make_unique<sktext::gpu::TextBlobRedrawCoordinator>(fContextID);
fThreadSafeCache = std::make_unique<GrThreadSafeCache>();
fPipelineBuilder = std::move(pipelineBuilder);
}
SkSurfaceCharacterization GrContextThreadSafeProxy::createCharacterization(
size_t cacheMaxResourceBytes,
const SkImageInfo& ii, const GrBackendFormat& backendFormat,
int sampleCnt, GrSurfaceOrigin origin,
const SkSurfaceProps& surfaceProps,
bool isMipMapped, bool willUseGLFBO0, bool isTextureable,
GrProtected isProtected, bool vkRTSupportsInputAttachment,
bool forVulkanSecondaryCommandBuffer) {
SkASSERT(fCaps);
if (!backendFormat.isValid()) {
return {};
}
SkASSERT(isTextureable || !isMipMapped);
if (GrBackendApi::kOpenGL != backendFormat.backend() && willUseGLFBO0) {
// The willUseGLFBO0 flags can only be used for a GL backend.
return {};
}
if (GrBackendApi::kVulkan != backendFormat.backend() &&
(vkRTSupportsInputAttachment || forVulkanSecondaryCommandBuffer)) {
// The vkRTSupportsInputAttachment and forVulkanSecondaryCommandBuffer flags can only be
// used for a Vulkan backend.
return {};
}
if (!fCaps->mipmapSupport()) {
isMipMapped = false;
}
if (ii.width() < 1 || ii.width() > fCaps->maxRenderTargetSize() ||
ii.height() < 1 || ii.height() > fCaps->maxRenderTargetSize()) {
return {};
}
GrColorType grColorType = SkColorTypeToGrColorType(ii.colorType());
if (!fCaps->areColorTypeAndFormatCompatible(grColorType, backendFormat)) {
return {};
}
if (!fCaps->isFormatAsColorTypeRenderable(grColorType, backendFormat, sampleCnt)) {
return {};
}
sampleCnt = fCaps->getRenderTargetSampleCount(sampleCnt, backendFormat);
SkASSERT(sampleCnt);
if (willUseGLFBO0 && isTextureable) {
return {};
}
if (isTextureable && !fCaps->isFormatTexturable(backendFormat, backendFormat.textureType())) {
// Skia doesn't agree that this is textureable.
return {};
}
if (forVulkanSecondaryCommandBuffer &&
(isTextureable || isMipMapped || willUseGLFBO0 || vkRTSupportsInputAttachment)) {
return {};
}
if (GrBackendApi::kVulkan == backendFormat.backend()) {
if (GrBackendApi::kVulkan != fBackend) {
return {};
}
#ifdef SK_VULKAN
const GrVkCaps* vkCaps = (const GrVkCaps*) fCaps.get();
// The protection status of the characterization and the context need to match
if (isProtected != GrProtected(vkCaps->supportsProtectedMemory())) {
return {};
}
#endif
}
return SkSurfaceCharacterization(
sk_ref_sp<GrContextThreadSafeProxy>(this),
cacheMaxResourceBytes, ii, backendFormat,
origin, sampleCnt,
SkSurfaceCharacterization::Textureable(isTextureable),
SkSurfaceCharacterization::MipMapped(isMipMapped),
SkSurfaceCharacterization::UsesGLFBO0(willUseGLFBO0),
SkSurfaceCharacterization::VkRTSupportsInputAttachment(vkRTSupportsInputAttachment),
SkSurfaceCharacterization::VulkanSecondaryCBCompatible(forVulkanSecondaryCommandBuffer),
isProtected,
surfaceProps);
}
GrBackendFormat GrContextThreadSafeProxy::defaultBackendFormat(SkColorType skColorType,
GrRenderable renderable) const {
SkASSERT(fCaps);
GrColorType grColorType = SkColorTypeToGrColorType(skColorType);
GrBackendFormat format = fCaps->getDefaultBackendFormat(grColorType, renderable);
if (!format.isValid()) {
return GrBackendFormat();
}
SkASSERT(renderable == GrRenderable::kNo ||
fCaps->isFormatAsColorTypeRenderable(grColorType, format));
return format;
}
GrBackendFormat GrContextThreadSafeProxy::compressedBackendFormat(SkImage::CompressionType c) const {
SkASSERT(fCaps);
GrBackendFormat format = fCaps->getBackendFormatFromCompressionType(c);
SkASSERT(!format.isValid() || fCaps->isFormatTexturable(format, GrTextureType::k2D));
return format;
}
int GrContextThreadSafeProxy::maxSurfaceSampleCountForColorType(SkColorType colorType) const {
SkASSERT(fCaps);
GrBackendFormat format = fCaps->getDefaultBackendFormat(SkColorTypeToGrColorType(colorType),
GrRenderable::kYes);
return fCaps->maxRenderTargetSampleCount(format);
}
void GrContextThreadSafeProxy::abandonContext() {
if (!fAbandoned.exchange(true)) {
fTextBlobRedrawCoordinator->freeAll();
}
}
bool GrContextThreadSafeProxy::abandoned() const {
return fAbandoned;
}
////////////////////////////////////////////////////////////////////////////////
sk_sp<GrContextThreadSafeProxy> GrContextThreadSafeProxyPriv::Make(
GrBackendApi backend,
const GrContextOptions& options) {
return sk_sp<GrContextThreadSafeProxy>(new GrContextThreadSafeProxy(backend, options));
}
void GrContextThreadSafeProxyPriv::init(sk_sp<const GrCaps> caps,
sk_sp<GrThreadSafePipelineBuilder> builder) const {
fProxy->init(std::move(caps), std::move(builder));
}