blob: 80d1d1b2f209fe78f10f8e252963ba643051a70a [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 "src/gpu/ganesh/gl/GrGLAttachment.h"
#include "include/core/SkTraceMemoryDump.h"
#include "include/gpu/ganesh/gl/GrGLBackendSurface.h"
#include "src/gpu/ganesh/gl/GrGLGpu.h"
#define GL_CALL(X) GR_GL_CALL(gpu->glInterface(), X)
#define GL_ALLOC_CALL(call) \
[&] { \
if (gpu->glCaps().skipErrorChecks()) { \
GR_GL_CALL(gpu->glInterface(), call); \
return static_cast<GrGLenum>(GR_GL_NO_ERROR); \
} else { \
gpu->clearErrorsAndCheckForOOM(); \
GR_GL_CALL_NOERRCHECK(gpu->glInterface(), call); \
return gpu->getErrorAndCheckForOOM(); \
} \
}()
static bool renderbuffer_storage_msaa(GrGLGpu* gpu,
int sampleCount,
GrGLenum format,
int width,
int height) {
SkASSERT(GrGLCaps::kNone_MSFBOType != gpu->glCaps().msFBOType());
GrGLenum error;
switch (gpu->glCaps().msFBOType()) {
case GrGLCaps::kStandard_MSFBOType:
error = GL_ALLOC_CALL(RenderbufferStorageMultisample(
GR_GL_RENDERBUFFER, sampleCount, format, width, height));
break;
case GrGLCaps::kES_Apple_MSFBOType:
error = GL_ALLOC_CALL(RenderbufferStorageMultisampleES2APPLE(
GR_GL_RENDERBUFFER, sampleCount, format, width, height));
break;
case GrGLCaps::kES_EXT_MsToTexture_MSFBOType:
case GrGLCaps::kES_IMG_MsToTexture_MSFBOType:
error = GL_ALLOC_CALL(RenderbufferStorageMultisampleES2EXT(
GR_GL_RENDERBUFFER, sampleCount, format, width, height));
break;
case GrGLCaps::kNone_MSFBOType:
SkUNREACHABLE;
}
return error == GR_GL_NO_ERROR;
}
sk_sp<GrGLAttachment> GrGLAttachment::MakeStencil(GrGLGpu* gpu,
SkISize dimensions,
int sampleCnt,
GrGLFormat format) {
GrGLuint rbID = 0;
GL_CALL(GenRenderbuffers(1, &rbID));
if (!rbID) {
return nullptr;
}
GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, rbID));
GrGLenum glFmt = GrGLFormatToEnum(format);
// we do this "if" so that we don't call the multisample
// version on a GL that doesn't have an MSAA extension.
if (sampleCnt > 1) {
if (!renderbuffer_storage_msaa(gpu, sampleCnt, glFmt, dimensions.width(),
dimensions.height())) {
GL_CALL(DeleteRenderbuffers(1, &rbID));
return nullptr;
}
} else {
GrGLenum error = GL_ALLOC_CALL(RenderbufferStorage(
GR_GL_RENDERBUFFER, glFmt, dimensions.width(), dimensions.height()));
if (error != GR_GL_NO_ERROR) {
GL_CALL(DeleteRenderbuffers(1, &rbID));
return nullptr;
}
}
return sk_sp<GrGLAttachment>(new GrGLAttachment(gpu,
rbID,
dimensions,
GrAttachment::UsageFlags::kStencilAttachment,
sampleCnt,
format,
/*label=*/"GLAttachmentMakeStencil"));
}
sk_sp<GrGLAttachment> GrGLAttachment::MakeMSAA(GrGLGpu* gpu,
SkISize dimensions,
int sampleCnt,
GrGLFormat format) {
GrGLuint rbID = 0;
GL_CALL(GenRenderbuffers(1, &rbID));
if (!rbID) {
return nullptr;
}
GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, rbID));
GrGLenum glFmt = gpu->glCaps().getRenderbufferInternalFormat(format);
if (!renderbuffer_storage_msaa(
gpu, sampleCnt, glFmt, dimensions.width(), dimensions.height())) {
GL_CALL(DeleteRenderbuffers(1, &rbID));
return nullptr;
}
return sk_sp<GrGLAttachment>(new GrGLAttachment(gpu,
rbID,
dimensions,
GrAttachment::UsageFlags::kColorAttachment,
sampleCnt,
format,
/*label=*/"GLAttachmentMakeMSAA"));
}
void GrGLAttachment::onRelease() {
if (0 != fRenderbufferID) {
GrGLGpu* gpuGL = (GrGLGpu*)this->getGpu();
const GrGLInterface* gl = gpuGL->glInterface();
GR_GL_CALL(gl, DeleteRenderbuffers(1, &fRenderbufferID));
fRenderbufferID = 0;
}
INHERITED::onRelease();
}
void GrGLAttachment::onAbandon() {
fRenderbufferID = 0;
INHERITED::onAbandon();
}
GrBackendFormat GrGLAttachment::backendFormat() const {
return GrBackendFormats::MakeGL(GrGLFormatToEnum(fFormat), GR_GL_TEXTURE_NONE);
}
void GrGLAttachment::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
const SkString& dumpName) const {
SkString renderbuffer_id;
renderbuffer_id.appendU32(this->renderbufferID());
traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_renderbuffer", renderbuffer_id.c_str());
}
void GrGLAttachment::onSetLabel() {
SkASSERT(fRenderbufferID);
if (!this->getLabel().empty()) {
const std::string label = "_Skia_" + this->getLabel();
GrGLGpu* glGpu = static_cast<GrGLGpu*>(this->getGpu());
if (glGpu->glCaps().debugSupport()) {
GR_GL_CALL(glGpu->glInterface(),
ObjectLabel(GR_GL_TEXTURE, fRenderbufferID, -1, label.c_str()));
}
}
}