summaryrefslogtreecommitdiffstats
path: root/gfx/layers/opengl/X11TextureSourceOGL.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/opengl/X11TextureSourceOGL.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/layers/opengl/X11TextureSourceOGL.cpp')
-rw-r--r--gfx/layers/opengl/X11TextureSourceOGL.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/layers/opengl/X11TextureSourceOGL.cpp b/gfx/layers/opengl/X11TextureSourceOGL.cpp
new file mode 100644
index 000000000..dbed66b61
--- /dev/null
+++ b/gfx/layers/opengl/X11TextureSourceOGL.cpp
@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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/. */
+
+#ifdef GL_PROVIDER_GLX
+
+#include "X11TextureSourceOGL.h"
+#include "gfxXlibSurface.h"
+#include "gfx2DGlue.h"
+
+namespace mozilla {
+namespace layers {
+
+using namespace mozilla::gfx;
+
+X11TextureSourceOGL::X11TextureSourceOGL(CompositorOGL* aCompositor, gfxXlibSurface* aSurface)
+ : mCompositor(aCompositor)
+ , mSurface(aSurface)
+ , mTexture(0)
+ , mUpdated(false)
+{
+}
+
+X11TextureSourceOGL::~X11TextureSourceOGL()
+{
+ DeallocateDeviceData();
+}
+
+void
+X11TextureSourceOGL::DeallocateDeviceData()
+{
+ if (mTexture) {
+ if (gl() && gl()->MakeCurrent()) {
+ gl::sGLXLibrary.ReleaseTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
+ gl()->fDeleteTextures(1, &mTexture);
+ mTexture = 0;
+ }
+ }
+}
+
+void
+X11TextureSourceOGL::BindTexture(GLenum aTextureUnit,
+ gfx::SamplingFilter aSamplingFilter)
+{
+ gl()->fActiveTexture(aTextureUnit);
+
+ if (!mTexture) {
+ gl()->fGenTextures(1, &mTexture);
+
+ gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
+
+ gl::sGLXLibrary.BindTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
+ } else {
+ gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
+ if (mUpdated) {
+ gl::sGLXLibrary.UpdateTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
+ mUpdated = false;
+ }
+ }
+
+ ApplySamplingFilterToBoundTexture(gl(), aSamplingFilter, LOCAL_GL_TEXTURE_2D);
+}
+
+IntSize
+X11TextureSourceOGL::GetSize() const
+{
+ return mSurface->GetSize();
+}
+
+SurfaceFormat
+X11TextureSourceOGL::GetFormat() const {
+ gfxContentType type = mSurface->GetContentType();
+ return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type);
+}
+
+void
+X11TextureSourceOGL::SetCompositor(Compositor* aCompositor)
+{
+ CompositorOGL* glCompositor = AssertGLCompositor(aCompositor);
+ if (mCompositor == glCompositor) {
+ return;
+ }
+ DeallocateDeviceData();
+ if (glCompositor) {
+ mCompositor = glCompositor;
+ }
+}
+
+gl::GLContext*
+X11TextureSourceOGL::gl() const
+{
+ return mCompositor ? mCompositor->gl() : nullptr;
+}
+
+SurfaceFormat
+X11TextureSourceOGL::ContentTypeToSurfaceFormat(gfxContentType aType)
+{
+ // X11 uses a switched format and the OGL compositor
+ // doesn't support ALPHA / A8.
+ switch (aType) {
+ case gfxContentType::COLOR:
+ return SurfaceFormat::R8G8B8X8;
+ case gfxContentType::COLOR_ALPHA:
+ return SurfaceFormat::R8G8B8A8;
+ default:
+ return SurfaceFormat::UNKNOWN;
+ }
+}
+
+}
+}
+
+#endif