mirror of
https://github.com/mozilla/gecko-dev.git
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a8939590de
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
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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 "SharedSurfaceGL.h"
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#include "GLBlitHelper.h"
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#include "GLContext.h"
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#include "GLReadTexImageHelper.h"
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#include "mozilla/gfx/2D.h"
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#include "ScopedGLHelpers.h"
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namespace mozilla {
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namespace gl {
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using gfx::IntSize;
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using gfx::SurfaceFormat;
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/*static*/ UniquePtr<SharedSurface_Basic>
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SharedSurface_Basic::Create(GLContext* gl,
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const GLFormats& formats,
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const IntSize& size,
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bool hasAlpha)
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{
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UniquePtr<SharedSurface_Basic> ret;
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gl->MakeCurrent();
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GLContext::LocalErrorScope localError(*gl);
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GLuint tex = CreateTexture(gl, formats.color_texInternalFormat,
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formats.color_texFormat,
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formats.color_texType,
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size);
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GLenum err = localError.GetError();
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MOZ_ASSERT_IF(err != LOCAL_GL_NO_ERROR, err == LOCAL_GL_OUT_OF_MEMORY);
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if (err) {
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gl->fDeleteTextures(1, &tex);
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return Move(ret);
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}
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bool ownsTex = true;
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ret.reset( new SharedSurface_Basic(gl, size, hasAlpha, tex, ownsTex) );
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return Move(ret);
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}
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/*static*/ UniquePtr<SharedSurface_Basic>
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SharedSurface_Basic::Wrap(GLContext* gl,
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const IntSize& size,
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bool hasAlpha,
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GLuint tex)
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{
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bool ownsTex = false;
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UniquePtr<SharedSurface_Basic> ret( new SharedSurface_Basic(gl, size, hasAlpha, tex,
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ownsTex) );
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return Move(ret);
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}
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SharedSurface_Basic::SharedSurface_Basic(GLContext* gl,
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const IntSize& size,
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bool hasAlpha,
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GLuint tex,
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bool ownsTex)
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: SharedSurface(SharedSurfaceType::Basic,
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AttachmentType::GLTexture,
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gl,
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size,
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hasAlpha,
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true)
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, mTex(tex)
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, mOwnsTex(ownsTex)
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, mFB(0)
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{
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mGL->MakeCurrent();
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mGL->fGenFramebuffers(1, &mFB);
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ScopedBindFramebuffer autoFB(mGL, mFB);
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mGL->fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
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LOCAL_GL_COLOR_ATTACHMENT0,
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LOCAL_GL_TEXTURE_2D,
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mTex,
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0);
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DebugOnly<GLenum> status = mGL->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
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MOZ_ASSERT(status == LOCAL_GL_FRAMEBUFFER_COMPLETE);
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}
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SharedSurface_Basic::~SharedSurface_Basic()
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{
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if (!mGL->MakeCurrent())
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return;
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if (mFB)
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mGL->fDeleteFramebuffers(1, &mFB);
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if (mOwnsTex)
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mGL->fDeleteTextures(1, &mTex);
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}
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////////////////////////////////////////////////////////////////////////
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SurfaceFactory_Basic::SurfaceFactory_Basic(GLContext* gl, const SurfaceCaps& caps,
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const layers::TextureFlags& flags)
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: SurfaceFactory(SharedSurfaceType::Basic, gl, caps, nullptr, flags)
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{ }
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} // namespace gl
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} /* namespace mozilla */
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