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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "RenderDMABUFTextureHost.h"
#include "GLContextEGL.h"
#include "mozilla/gfx/Logging.h"
#include "ScopedGLHelpers.h"
namespace mozilla::wr {
RenderDMABUFTextureHost::RenderDMABUFTextureHost(DMABufSurface* aSurface)
: mSurface(aSurface) {
MOZ_COUNT_CTOR_INHERITED(RenderDMABUFTextureHost, RenderTextureHost);
}
RenderDMABUFTextureHost::~RenderDMABUFTextureHost() {
MOZ_COUNT_DTOR_INHERITED(RenderDMABUFTextureHost, RenderTextureHost);
DeleteTextureHandle();
}
wr::WrExternalImage RenderDMABUFTextureHost::Lock(uint8_t aChannelIndex,
gl::GLContext* aGL) {
if (mGL.get() != aGL) {
if (mGL) {
// This should not happen. EGLImage is created only in
// parent process.
MOZ_ASSERT_UNREACHABLE("Unexpected GL context");
return InvalidToWrExternalImage();
}
mGL = aGL;
}
if (!mGL || !mGL->MakeCurrent()) {
return InvalidToWrExternalImage();
}
if (!mSurface->GetTexture(aChannelIndex)) {
if (!mSurface->CreateTexture(mGL, aChannelIndex)) {
return InvalidToWrExternalImage();
}
ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0, LOCAL_GL_TEXTURE_2D,
mSurface->GetTexture(aChannelIndex));
}
const auto uvs = GetUvCoords(gfx::IntSize(
mSurface->GetWidth(aChannelIndex), mSurface->GetHeight(aChannelIndex)));
return NativeTextureToWrExternalImage(mSurface->GetTexture(aChannelIndex),
uvs.first.x, uvs.first.y, uvs.second.x,
uvs.second.y);
}
void RenderDMABUFTextureHost::Unlock() {}
void RenderDMABUFTextureHost::DeleteTextureHandle() {
mSurface->ReleaseTextures();
}
void RenderDMABUFTextureHost::ClearCachedResources() {
DeleteTextureHandle();
mGL = nullptr;
}
} // namespace mozilla::wr
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