131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RenderDMABUFTextureHost.h"
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#include "GLContextEGL.h"
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#include "mozilla/gfx/Logging.h"
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#include "ScopedGLHelpers.h"
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namespace mozilla::wr {
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RenderDMABUFTextureHost::RenderDMABUFTextureHost(DMABufSurface* aSurface)
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: mSurface(aSurface) {
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MOZ_COUNT_CTOR_INHERITED(RenderDMABUFTextureHost, RenderTextureHost);
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}
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RenderDMABUFTextureHost::~RenderDMABUFTextureHost() {
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MOZ_COUNT_DTOR_INHERITED(RenderDMABUFTextureHost, RenderTextureHost);
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DeleteTextureHandle();
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}
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wr::WrExternalImage RenderDMABUFTextureHost::Lock(uint8_t aChannelIndex,
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gl::GLContext* aGL) {
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const gfx::IntSize size(mSurface->GetWidth(aChannelIndex),
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mSurface->GetHeight(aChannelIndex));
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// Wayland native compositor doesn't use textures so pass zero
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// there. It saves GPU resources.
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if (!aGL) {
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return NativeTextureToWrExternalImage(0, 0.0, 0.0,
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static_cast<float>(size.width),
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static_cast<float>(size.height));
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}
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if (mGL.get() != aGL) {
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if (mGL) {
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// This should not happen. EGLImage is created only in
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// parent process.
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MOZ_ASSERT_UNREACHABLE("Unexpected GL context");
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return InvalidToWrExternalImage();
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}
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mGL = aGL;
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}
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if (!mGL || !mGL->MakeCurrent()) {
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return InvalidToWrExternalImage();
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}
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if (!mSurface->GetTexture(aChannelIndex)) {
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if (!mSurface->CreateTexture(mGL, aChannelIndex)) {
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return InvalidToWrExternalImage();
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}
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ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0, LOCAL_GL_TEXTURE_2D,
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mSurface->GetTexture(aChannelIndex));
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}
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if (auto texture = mSurface->GetTexture(aChannelIndex)) {
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mSurface->MaybeSemaphoreWait(texture);
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}
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return NativeTextureToWrExternalImage(
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mSurface->GetTexture(aChannelIndex), 0.0, 0.0,
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static_cast<float>(size.width), static_cast<float>(size.height));
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}
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gfx::IntSize RenderDMABUFTextureHost::GetSize(uint8_t aChannelIndex) const {
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MOZ_ASSERT(mSurface);
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MOZ_ASSERT((mSurface->GetTextureCount() == 0)
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? (aChannelIndex == mSurface->GetTextureCount())
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: (aChannelIndex < mSurface->GetTextureCount()));
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if (!mSurface) {
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return gfx::IntSize();
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}
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return gfx::IntSize(mSurface->GetWidth(aChannelIndex),
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mSurface->GetHeight(aChannelIndex));
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}
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void RenderDMABUFTextureHost::Unlock() {}
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void RenderDMABUFTextureHost::DeleteTextureHandle() {
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mSurface->ReleaseTextures();
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}
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void RenderDMABUFTextureHost::ClearCachedResources() {
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DeleteTextureHandle();
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mGL = nullptr;
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}
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bool RenderDMABUFTextureHost::MapPlane(RenderCompositor* aCompositor,
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uint8_t aChannelIndex,
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PlaneInfo& aPlaneInfo) {
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if (mSurface->GetAsDMABufSurfaceYUV()) {
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// DMABufSurfaceYUV is not supported.
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return false;
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}
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const RefPtr<gfx::SourceSurface> surface = mSurface->GetAsSourceSurface();
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if (!surface) {
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return false;
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}
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const RefPtr<gfx::DataSourceSurface> dataSurface = surface->GetDataSurface();
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if (!dataSurface) {
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return false;
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}
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gfx::DataSourceSurface::MappedSurface map;
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if (!dataSurface->Map(gfx::DataSourceSurface::MapType::READ, &map)) {
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return false;
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}
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mReadback = dataSurface;
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aPlaneInfo.mSize = gfx::IntSize(mSurface->GetWidth(), mSurface->GetHeight());
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aPlaneInfo.mStride = map.mStride;
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aPlaneInfo.mData = map.mData;
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return true;
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}
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void RenderDMABUFTextureHost::UnmapPlanes() {
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if (mReadback) {
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mReadback->Unmap();
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mReadback = nullptr;
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}
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}
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} // namespace mozilla::wr
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