зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.7 KiB
C++
84 строки
2.7 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 "RenderWaylandDMABUFTextureHostOGL.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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RenderWaylandDMABUFTextureHostOGL::RenderWaylandDMABUFTextureHostOGL(
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WaylandDMABufSurface* aSurface)
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: mSurface(aSurface) {
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MOZ_COUNT_CTOR_INHERITED(RenderWaylandDMABUFTextureHostOGL,
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RenderTextureHostOGL);
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}
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RenderWaylandDMABUFTextureHostOGL::~RenderWaylandDMABUFTextureHostOGL() {
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MOZ_COUNT_DTOR_INHERITED(RenderWaylandDMABUFTextureHostOGL,
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RenderTextureHostOGL);
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DeleteTextureHandle();
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}
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GLuint RenderWaylandDMABUFTextureHostOGL::GetGLHandle(
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uint8_t aChannelIndex) const {
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return mSurface->GetTexture(aChannelIndex);
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}
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gfx::IntSize RenderWaylandDMABUFTextureHostOGL::GetSize(
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uint8_t aChannelIndex) const {
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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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wr::WrExternalImage RenderWaylandDMABUFTextureHostOGL::Lock(
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uint8_t aChannelIndex, gl::GLContext* aGL, wr::ImageRendering aRendering) {
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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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bool bindTexture = IsFilterUpdateNecessary(aRendering);
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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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bindTexture = true;
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}
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if (bindTexture) {
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// Cache new rendering filter.
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mCachedRendering = aRendering;
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ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0, LOCAL_GL_TEXTURE_2D,
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mSurface->GetTexture(aChannelIndex),
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aRendering);
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}
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return NativeTextureToWrExternalImage(mSurface->GetTexture(aChannelIndex), 0,
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0, mSurface->GetWidth(aChannelIndex),
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mSurface->GetHeight(aChannelIndex));
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}
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void RenderWaylandDMABUFTextureHostOGL::Unlock() {}
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void RenderWaylandDMABUFTextureHostOGL::DeleteTextureHandle() {
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mSurface->ReleaseTextures();
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}
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} // namespace mozilla::wr
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