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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/gl/SharedSurfaceIO.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/gl/SharedSurfaceIO.cpp')
-rw-r--r--gfx/gl/SharedSurfaceIO.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/gfx/gl/SharedSurfaceIO.cpp b/gfx/gl/SharedSurfaceIO.cpp
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+++ b/gfx/gl/SharedSurfaceIO.cpp
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+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
+/* 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/. */
+
+#include "SharedSurfaceIO.h"
+
+#include "GLContextCGL.h"
+#include "MozFramebuffer.h"
+#include "mozilla/DebugOnly.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
+#include "mozilla/layers/LayersTypes.h"
+#include "ScopedGLHelpers.h"
+
+namespace mozilla {
+namespace gl {
+
+// -
+// Factory
+
+SurfaceFactory_IOSurface::SurfaceFactory_IOSurface(GLContext& gl)
+ : SurfaceFactory({&gl, SharedSurfaceType::IOSurface,
+ layers::TextureType::MacIOSurface, true}),
+ mMaxDims(gfx::IntSize::Truncate(MacIOSurface::GetMaxWidth(),
+ MacIOSurface::GetMaxHeight())) {}
+
+// -
+// Surface
+
+static void BackTextureWithIOSurf(GLContext* const gl, const GLuint tex,
+ MacIOSurface* const ioSurf) {
+ MOZ_ASSERT(gl->IsCurrent());
+
+ ScopedBindTexture texture(gl, tex, LOCAL_GL_TEXTURE_RECTANGLE_ARB);
+
+ gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
+ LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
+ gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
+ LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
+ gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_S,
+ LOCAL_GL_CLAMP_TO_EDGE);
+ gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_T,
+ LOCAL_GL_CLAMP_TO_EDGE);
+
+ CGLContextObj cgl = GLContextCGL::Cast(gl)->GetCGLContext();
+ MOZ_ASSERT(cgl);
+
+ ioSurf->CGLTexImageIOSurface2D(gl, cgl, 0);
+}
+
+/*static*/
+UniquePtr<SharedSurface_IOSurface> SharedSurface_IOSurface::Create(
+ const SharedSurfaceDesc& desc) {
+ const auto& size = desc.size;
+ const RefPtr<MacIOSurface> ioSurf =
+ MacIOSurface::CreateIOSurface(size.width, size.height, true);
+ if (!ioSurf) {
+ NS_WARNING("Failed to create MacIOSurface.");
+ return nullptr;
+ }
+
+ ioSurf->SetColorSpace(desc.colorSpace);
+
+ // -
+
+ auto tex = MakeUnique<Texture>(*desc.gl);
+ BackTextureWithIOSurf(desc.gl, tex->name, ioSurf);
+
+ const GLenum target = LOCAL_GL_TEXTURE_RECTANGLE;
+ auto fb = MozFramebuffer::CreateForBacking(desc.gl, desc.size, 0, false,
+ target, tex->name);
+ if (!fb) return nullptr;
+
+ return AsUnique(
+ new SharedSurface_IOSurface(desc, std::move(fb), std::move(tex), ioSurf));
+}
+
+SharedSurface_IOSurface::SharedSurface_IOSurface(
+ const SharedSurfaceDesc& desc, UniquePtr<MozFramebuffer> fb,
+ UniquePtr<Texture> tex, const RefPtr<MacIOSurface>& ioSurf)
+ : SharedSurface(desc, std::move(fb)),
+ mTex(std::move(tex)),
+ mIOSurf(ioSurf) {}
+
+SharedSurface_IOSurface::~SharedSurface_IOSurface() = default;
+
+void SharedSurface_IOSurface::ProducerReleaseImpl() {
+ const auto& gl = mDesc.gl;
+ if (!gl) return;
+ gl->MakeCurrent();
+ gl->fFlush();
+}
+
+Maybe<layers::SurfaceDescriptor>
+SharedSurface_IOSurface::ToSurfaceDescriptor() {
+ const bool isOpaque = false; // RGBA
+ return Some(layers::SurfaceDescriptorMacIOSurface(
+ mIOSurf->GetIOSurfaceID(), isOpaque, mIOSurf->GetYUVColorSpace()));
+}
+
+} // namespace gl
+} // namespace mozilla