blob: 7cdf5059a6bac57b4f11c10f66b38e0054a226b4 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGLTexture.h"
#include "GrGLGpu.h"
#include "GrSemaphore.h"
#include "GrShaderCaps.h"
#include "GrTexturePriv.h"
#include "SkTraceMemoryDump.h"
#define GPUGL static_cast<GrGLGpu*>(this->getGpu())
#define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X)
GrTextureType GrGLTexture::TextureTypeFromTarget(GrGLenum target) {
switch (target) {
case GR_GL_TEXTURE_2D:
return GrTextureType::k2D;
case GR_GL_TEXTURE_RECTANGLE:
return GrTextureType::kRectangle;
case GR_GL_TEXTURE_EXTERNAL:
return GrTextureType::kExternal;
}
SK_ABORT("Unexpected texture target");
return GrTextureType::k2D;
}
static inline GrGLenum target_from_texture_type(GrTextureType type) {
switch (type) {
case GrTextureType::k2D:
return GR_GL_TEXTURE_2D;
case GrTextureType::kRectangle:
return GR_GL_TEXTURE_RECTANGLE;
case GrTextureType::kExternal:
return GR_GL_TEXTURE_EXTERNAL;
}
SK_ABORT("Unexpected texture type");
return GR_GL_TEXTURE_2D;
}
// Because this class is virtually derived from GrSurface we must explicitly call its constructor.
GrGLTexture::GrGLTexture(GrGLGpu* gpu, SkBudgeted budgeted, const GrSurfaceDesc& desc,
const IDDesc& idDesc, GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, TextureTypeFromTarget(idDesc.fInfo.fTarget), mipMapsStatus) {
this->init(desc, idDesc);
this->registerWithCache(budgeted);
}
GrGLTexture::GrGLTexture(GrGLGpu* gpu, Wrapped, const GrSurfaceDesc& desc,
GrMipMapsStatus mipMapsStatus, const IDDesc& idDesc)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, TextureTypeFromTarget(idDesc.fInfo.fTarget), mipMapsStatus) {
this->init(desc, idDesc);
this->registerWithCacheWrapped();
}
GrGLTexture::GrGLTexture(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, TextureTypeFromTarget(idDesc.fInfo.fTarget), mipMapsStatus) {
this->init(desc, idDesc);
}
void GrGLTexture::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) {
SkASSERT(0 != idDesc.fInfo.fID);
SkASSERT(0 != idDesc.fInfo.fFormat);
fTexParams.invalidate();
fTexParamsTimestamp = GrGpu::kExpiredTimestamp;
fID = idDesc.fInfo.fID;
fFormat = idDesc.fInfo.fFormat;
fTextureIDOwnership = idDesc.fOwnership;
}
GrGLenum GrGLTexture::target() const {
return target_from_texture_type(this->texturePriv().textureType());
}
void GrGLTexture::onRelease() {
if (fID) {
if (GrBackendObjectOwnership::kBorrowed != fTextureIDOwnership) {
GL_CALL(DeleteTextures(1, &fID));
}
fID = 0;
}
this->invokeReleaseProc();
INHERITED::onRelease();
}
void GrGLTexture::onAbandon() {
fID = 0;
this->invokeReleaseProc();
INHERITED::onAbandon();
}
GrBackendTexture GrGLTexture::getBackendTexture() const {
GrGLTextureInfo info;
info.fTarget = target_from_texture_type(this->texturePriv().textureType());
info.fID = fID;
info.fFormat = fFormat;
return GrBackendTexture(this->width(), this->height(), this->texturePriv().mipMapped(), info);
}
sk_sp<GrGLTexture> GrGLTexture::MakeWrapped(GrGLGpu* gpu, const GrSurfaceDesc& desc,
GrMipMapsStatus mipMapsStatus, const IDDesc& idDesc) {
return sk_sp<GrGLTexture>(new GrGLTexture(gpu, kWrapped, desc, mipMapsStatus, idDesc));
}
bool GrGLTexture::onStealBackendTexture(GrBackendTexture* backendTexture,
SkImage::BackendTextureReleaseProc* releaseProc) {
*backendTexture = this->getBackendTexture();
// Set the release proc to a no-op function. GL doesn't require any special cleanup.
*releaseProc = [](GrBackendTexture){};
// It's important that we only abandon this texture's objects, not subclass objects such as
// those held by GrGLTextureRenderTarget. Those objects are not being stolen and need to be
// cleaned up by us.
this->GrGLTexture::onAbandon();
return true;
}
void GrGLTexture::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
// Don't check this->fRefsWrappedObjects, as we might be the base of a GrGLTextureRenderTarget
// which is multiply inherited from both ourselves and a texture. In these cases, one part
// (texture, rt) may be wrapped, while the other is owned by Skia.
bool refsWrappedTextureObjects =
this->fTextureIDOwnership == GrBackendObjectOwnership::kBorrowed;
if (refsWrappedTextureObjects && !traceMemoryDump->shouldDumpWrappedObjects()) {
return;
}
// Dump as skia/gpu_resources/resource_#/texture, to avoid conflicts in the
// GrGLTextureRenderTarget case, where multiple things may dump to the same resource. This
// has no downside in the normal case.
SkString resourceName = this->getResourceName();
resourceName.append("/texture");
// As we are only dumping our texture memory (not any additional memory tracked by classes
// which may inherit from us), specifically call GrGLTexture::gpuMemorySize to avoid
// hitting an override.
this->dumpMemoryStatisticsPriv(traceMemoryDump, resourceName, "Texture",
GrGLTexture::gpuMemorySize());
SkString texture_id;
texture_id.appendU32(this->textureID());
traceMemoryDump->setMemoryBacking(resourceName.c_str(), "gl_texture", texture_id.c_str());
}