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Issue #1751 -- Remove cocoa and uikit gfx and hal support code
This commit is contained in:
Moonchild
roytam1
parent
214ac352e5
commit
215e93606d
12 changed files with 1 additions and 2493 deletions
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@ -1,248 +0,0 @@
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/* -*- 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 "SharedSurfaceIO.h"
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#include "GLContextCGL.h"
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#include "mozilla/DebugOnly.h"
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#include "mozilla/gfx/MacIOSurface.h"
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
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#include "ScopedGLHelpers.h"
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namespace mozilla {
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namespace gl {
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/*static*/ UniquePtr<SharedSurface_IOSurface>
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SharedSurface_IOSurface::Create(const RefPtr<MacIOSurface>& ioSurf,
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GLContext* gl,
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bool hasAlpha)
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{
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MOZ_ASSERT(ioSurf);
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MOZ_ASSERT(gl);
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auto size = gfx::IntSize::Truncate(ioSurf->GetWidth(), ioSurf->GetHeight());
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typedef SharedSurface_IOSurface ptrT;
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UniquePtr<ptrT> ret( new ptrT(ioSurf, gl, size, hasAlpha) );
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return Move(ret);
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}
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void
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SharedSurface_IOSurface::ProducerReleaseImpl()
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{
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mGL->MakeCurrent();
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mGL->fFlush();
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}
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bool
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SharedSurface_IOSurface::CopyTexImage2D(GLenum target, GLint level, GLenum internalformat,
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GLint x, GLint y, GLsizei width, GLsizei height,
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GLint border)
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{
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/* Bug 896693 - OpenGL framebuffers that are backed by IOSurface on OSX expose a bug
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* in glCopyTexImage2D --- internalformats GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA
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* return the wrong results. To work around, copy framebuffer to a temporary texture
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* using GL_RGBA (which works), attach as read framebuffer and glCopyTexImage2D
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* instead.
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*/
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// https://www.opengl.org/sdk/docs/man3/xhtml/glCopyTexImage2D.xml says that width or
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// height set to 0 results in a NULL texture. Lets not do any work and punt to
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// original glCopyTexImage2D, since the FBO below will fail when trying to attach a
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// texture of 0 width or height.
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if (width == 0 || height == 0)
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return false;
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switch (internalformat) {
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case LOCAL_GL_ALPHA:
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case LOCAL_GL_LUMINANCE:
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case LOCAL_GL_LUMINANCE_ALPHA:
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break;
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default:
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return false;
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}
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MOZ_ASSERT(mGL->IsCurrent());
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ScopedTexture destTex(mGL);
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{
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ScopedBindTexture bindTex(mGL, destTex.Texture());
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mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER,
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LOCAL_GL_NEAREST);
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mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER,
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LOCAL_GL_NEAREST);
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mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S,
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LOCAL_GL_CLAMP_TO_EDGE);
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mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T,
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LOCAL_GL_CLAMP_TO_EDGE);
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mGL->raw_fCopyTexImage2D(LOCAL_GL_TEXTURE_2D, 0, LOCAL_GL_RGBA, x, y, width,
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height, 0);
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}
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ScopedFramebufferForTexture tmpFB(mGL, destTex.Texture(), LOCAL_GL_TEXTURE_2D);
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ScopedBindFramebuffer bindFB(mGL, tmpFB.FB());
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mGL->raw_fCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
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return true;
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}
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bool
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SharedSurface_IOSurface::ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum format, GLenum type, GLvoid* pixels)
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{
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// Calling glReadPixels when an IOSurface is bound to the current framebuffer
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// can cause corruption in following glReadPixel calls (even if they aren't
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// reading from an IOSurface).
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// We workaround this by copying to a temporary texture, and doing the readback
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// from that.
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MOZ_ASSERT(mGL->IsCurrent());
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ScopedTexture destTex(mGL);
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{
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ScopedFramebufferForTexture srcFB(mGL, ProdTexture(), ProdTextureTarget());
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ScopedBindFramebuffer bindFB(mGL, srcFB.FB());
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ScopedBindTexture bindTex(mGL, destTex.Texture());
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mGL->raw_fCopyTexImage2D(LOCAL_GL_TEXTURE_2D, 0,
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mHasAlpha ? LOCAL_GL_RGBA : LOCAL_GL_RGB,
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x, y,
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width, height, 0);
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}
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ScopedFramebufferForTexture destFB(mGL, destTex.Texture());
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ScopedBindFramebuffer bindFB(mGL, destFB.FB());
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mGL->raw_fReadPixels(0, 0, width, height, format, type, pixels);
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return true;
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}
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static void
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BackTextureWithIOSurf(GLContext* gl, GLuint tex, MacIOSurface* ioSurf)
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{
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MOZ_ASSERT(gl->IsCurrent());
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ScopedBindTexture texture(gl, tex, LOCAL_GL_TEXTURE_RECTANGLE_ARB);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
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LOCAL_GL_TEXTURE_MIN_FILTER,
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LOCAL_GL_LINEAR);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
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LOCAL_GL_TEXTURE_MAG_FILTER,
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LOCAL_GL_LINEAR);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
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LOCAL_GL_TEXTURE_WRAP_S,
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LOCAL_GL_CLAMP_TO_EDGE);
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gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
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LOCAL_GL_TEXTURE_WRAP_T,
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LOCAL_GL_CLAMP_TO_EDGE);
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CGLContextObj cgl = GLContextCGL::Cast(gl)->GetCGLContext();
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MOZ_ASSERT(cgl);
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ioSurf->CGLTexImageIOSurface2D(cgl);
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}
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SharedSurface_IOSurface::SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioSurf,
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GLContext* gl,
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const gfx::IntSize& size,
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bool hasAlpha)
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: SharedSurface(SharedSurfaceType::IOSurface,
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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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, mIOSurf(ioSurf)
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{
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gl->MakeCurrent();
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mProdTex = 0;
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gl->fGenTextures(1, &mProdTex);
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BackTextureWithIOSurf(gl, mProdTex, mIOSurf);
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}
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SharedSurface_IOSurface::~SharedSurface_IOSurface()
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{
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if (!mGL || !mGL->MakeCurrent())
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return;
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mGL->fDeleteTextures(1, &mProdTex);
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}
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bool
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SharedSurface_IOSurface::ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor)
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{
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bool isOpaque = !mHasAlpha;
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*out_descriptor = layers::SurfaceDescriptorMacIOSurface(mIOSurf->GetIOSurfaceID(),
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mIOSurf->GetContentsScaleFactor(),
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isOpaque);
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return true;
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}
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bool
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SharedSurface_IOSurface::ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface)
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{
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MOZ_ASSERT(out_surface);
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mIOSurf->Lock();
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size_t bytesPerRow = mIOSurf->GetBytesPerRow();
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size_t ioWidth = mIOSurf->GetDevicePixelWidth();
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size_t ioHeight = mIOSurf->GetDevicePixelHeight();
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const unsigned char* ioData = (unsigned char*)mIOSurf->GetBaseAddress();
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gfx::DataSourceSurface::ScopedMap map(out_surface, gfx::DataSourceSurface::WRITE);
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if (!map.IsMapped()) {
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mIOSurf->Unlock();
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return false;
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}
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for (size_t i = 0; i < ioHeight; i++) {
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memcpy(map.GetData() + i * map.GetStride(),
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ioData + i * bytesPerRow, ioWidth * 4);
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}
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mIOSurf->Unlock();
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return true;
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}
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////////////////////////////////////////////////////////////////////////
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// SurfaceFactory_IOSurface
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/*static*/ UniquePtr<SurfaceFactory_IOSurface>
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SurfaceFactory_IOSurface::Create(GLContext* gl, const SurfaceCaps& caps,
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const RefPtr<layers::LayersIPCChannel>& allocator,
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const layers::TextureFlags& flags)
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{
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auto maxDims = gfx::IntSize::Truncate(MacIOSurface::GetMaxWidth(),
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MacIOSurface::GetMaxHeight());
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typedef SurfaceFactory_IOSurface ptrT;
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UniquePtr<ptrT> ret( new ptrT(gl, caps, allocator, flags, maxDims) );
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return Move(ret);
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}
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UniquePtr<SharedSurface>
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SurfaceFactory_IOSurface::CreateShared(const gfx::IntSize& size)
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{
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if (size.width > mMaxDims.width ||
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size.height > mMaxDims.height)
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{
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return nullptr;
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}
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bool hasAlpha = mReadCaps.alpha;
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RefPtr<MacIOSurface> ioSurf;
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ioSurf = MacIOSurface::CreateIOSurface(size.width, size.height, 1.0,
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hasAlpha);
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if (!ioSurf) {
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NS_WARNING("Failed to create MacIOSurface.");
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return nullptr;
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}
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return SharedSurface_IOSurface::Create(ioSurf, mGL, hasAlpha);
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}
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} // namespace gl
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} // namespace mozilla
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