048bee3a55
Different TextureHost type could use different WR commands. So, make a abstract interface for these different commands. MozReview-Commit-ID: 63dnOJC2P9r
127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "MacIOSurfaceTextureHostOGL.h"
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#include "mozilla/gfx/MacIOSurface.h"
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#include "mozilla/webrender/WebRenderAPI.h"
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#include "GLContextCGL.h"
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namespace mozilla {
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namespace layers {
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MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
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const SurfaceDescriptorMacIOSurface& aDescriptor)
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: TextureHost(aFlags)
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{
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MOZ_COUNT_CTOR(MacIOSurfaceTextureHostOGL);
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mSurface = MacIOSurface::LookupSurface(aDescriptor.surfaceId(),
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aDescriptor.scaleFactor(),
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!aDescriptor.isOpaque());
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}
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MacIOSurfaceTextureHostOGL::~MacIOSurfaceTextureHostOGL()
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{
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MOZ_COUNT_DTOR(MacIOSurfaceTextureHostOGL);
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}
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GLTextureSource*
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MacIOSurfaceTextureHostOGL::CreateTextureSourceForPlane(size_t aPlane)
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{
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GLuint textureHandle;
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gl::GLContext* gl = mProvider->GetGLContext();
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gl->fGenTextures(1, &textureHandle);
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gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, textureHandle);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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gfx::SurfaceFormat readFormat = gfx::SurfaceFormat::UNKNOWN;
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mSurface->CGLTexImageIOSurface2D(gl,
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gl::GLContextCGL::Cast(gl)->GetCGLContext(),
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aPlane,
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&readFormat);
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// With compositorOGL, we doesn't support the yuv interleaving format yet.
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MOZ_ASSERT(readFormat != gfx::SurfaceFormat::YUV422);
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return new GLTextureSource(mProvider, textureHandle, LOCAL_GL_TEXTURE_RECTANGLE_ARB,
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gfx::IntSize(mSurface->GetDevicePixelWidth(aPlane),
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mSurface->GetDevicePixelHeight(aPlane)),
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// XXX: This isn't really correct (but isn't used), we should be using the
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// format of the individual plane, not of the whole buffer.
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mSurface->GetFormat());
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}
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bool
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MacIOSurfaceTextureHostOGL::Lock()
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{
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if (!gl() || !gl()->MakeCurrent() || !mSurface) {
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return false;
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}
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if (!mTextureSource) {
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mTextureSource = CreateTextureSourceForPlane(0);
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RefPtr<TextureSource> prev = mTextureSource;
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for (size_t i = 1; i < mSurface->GetPlaneCount(); i++) {
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RefPtr<TextureSource> next = CreateTextureSourceForPlane(i);
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prev->SetNextSibling(next);
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prev = next;
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}
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}
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return true;
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}
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void
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MacIOSurfaceTextureHostOGL::SetTextureSourceProvider(TextureSourceProvider* aProvider)
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{
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if (!aProvider || !aProvider->GetGLContext()) {
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mTextureSource = nullptr;
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mProvider = nullptr;
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return;
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}
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if (mProvider != aProvider) {
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// Cannot share GL texture identifiers across compositors.
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mTextureSource = nullptr;
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}
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mProvider = aProvider;
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}
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gfx::SurfaceFormat
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MacIOSurfaceTextureHostOGL::GetFormat() const {
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return mSurface->GetFormat();
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}
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gfx::SurfaceFormat
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MacIOSurfaceTextureHostOGL::GetReadFormat() const {
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return mSurface->GetReadFormat();
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}
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gfx::IntSize
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MacIOSurfaceTextureHostOGL::GetSize() const {
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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->GetDevicePixelWidth(),
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mSurface->GetDevicePixelHeight());
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}
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gl::GLContext*
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MacIOSurfaceTextureHostOGL::gl() const
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{
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return mProvider ? mProvider->GetGLContext() : nullptr;
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}
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void
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MacIOSurfaceTextureHostOGL::AddWRImage(wr::WebRenderAPI* aAPI,
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const wr::ImageKey& aImageKey,
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const wr::ExternalImageId& aExtID)
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{
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MOZ_ASSERT_UNREACHABLE("No AddWRImage() implementation for this MacIOSurfaceTextureHostOGL type.");
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}
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} // namespace layers
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} // namespace mozilla
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