gfx/webrender_bindings/RenderTextureHost.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "RenderTextureHost.h"
   8
   9 #include "GLContext.h"
  10 #include "RenderThread.h"
  11
  12 namespace mozilla {
  13 namespace wr {
  14
  15 void ActivateBindAndTexParameteri(gl::GLContext* aGL, GLenum aActiveTexture,
  16                                   GLenum aBindTarget, GLuint aBindTexture) {
  17   aGL->fActiveTexture(aActiveTexture);
  18   aGL->fBindTexture(aBindTarget, aBindTexture);
  19   // Initialize the mip filters to linear by default.
  20   aGL->fTexParameteri(aBindTarget, LOCAL_GL_TEXTURE_MIN_FILTER,
  21                       LOCAL_GL_LINEAR);
  22   aGL->fTexParameteri(aBindTarget, LOCAL_GL_TEXTURE_MAG_FILTER,
  23                       LOCAL_GL_LINEAR);
  24 }
  25
  26 RenderTextureHost::RenderTextureHost() : mIsFromDRMSource(false) {
  27   MOZ_COUNT_CTOR(RenderTextureHost);
  28 }
  29
  30 RenderTextureHost::~RenderTextureHost() {
  31   MOZ_ASSERT(RenderThread::IsInRenderThread());
  32   MOZ_COUNT_DTOR(RenderTextureHost);
  33 }
  34
  35 wr::WrExternalImage RenderTextureHost::Lock(uint8_t aChannelIndex,
  36                                             gl::GLContext* aGL) {
  37   return InvalidToWrExternalImage();
  38 }
  39
  40 wr::WrExternalImage RenderTextureHost::LockSWGL(uint8_t aChannelIndex,
  41                                                 void* aContext,
  42                                                 RenderCompositor* aCompositor) {
  43   return InvalidToWrExternalImage();
  44 }
  45
  46 std::pair<gfx::Point, gfx::Point> RenderTextureHost::GetUvCoords(
  47     gfx::IntSize aTextureSize) const {
  48   return std::make_pair(gfx::Point(0.0, 0.0),
  49                         gfx::Point(static_cast<float>(aTextureSize.width),
  50                                    static_cast<float>(aTextureSize.height)));
  51 }
  52
  53 void RenderTextureHost::Destroy() {
  54   MOZ_ASSERT_UNREACHABLE("unexpected to be called");
  55 }
  56
  57 }  // namespace wr
  58 }  // namespace mozilla