Index: content/common/gpu/image_transport_surface_mac.cc |
diff --git a/content/common/gpu/image_transport_surface_mac.cc b/content/common/gpu/image_transport_surface_mac.cc |
deleted file mode 100644 |
index 8341716613f83565d95b45c7a2fe2ab3f783cb1b..0000000000000000000000000000000000000000 |
--- a/content/common/gpu/image_transport_surface_mac.cc |
+++ /dev/null |
@@ -1,548 +0,0 @@ |
-// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "content/common/gpu/image_transport_surface.h" |
- |
-#include "base/mac/scoped_cftyperef.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "content/common/gpu/gpu_command_buffer_stub.h" |
-#include "content/common/gpu/gpu_messages.h" |
-#include "ui/gfx/native_widget_types.h" |
-#include "ui/gl/gl_bindings.h" |
-#include "ui/gl/gl_context.h" |
-#include "ui/gl/gl_implementation.h" |
-#include "ui/gl/gl_surface_cgl.h" |
-#include "ui/gl/gl_surface_osmesa.h" |
- |
-// Note that this must be included after gl_bindings.h to avoid conflicts. |
-#include <OpenGL/CGLIOSurface.h> |
- |
-namespace content { |
-namespace { |
- |
-// IOSurface dimensions will be rounded up to a multiple of this value in order |
-// to reduce memory thrashing during resize. This must be a power of 2. |
-const uint32 kIOSurfaceDimensionRoundup = 64; |
- |
-int RoundUpSurfaceDimension(int number) { |
- DCHECK(number >= 0); |
- // Cast into unsigned space for portable bitwise ops. |
- uint32 unsigned_number = static_cast<uint32>(number); |
- uint32 roundup_sub_1 = kIOSurfaceDimensionRoundup - 1; |
- unsigned_number = (unsigned_number + roundup_sub_1) & ~roundup_sub_1; |
- return static_cast<int>(unsigned_number); |
-} |
- |
-// We are backed by an offscreen surface for the purposes of creating |
-// a context, but use FBOs to render to texture backed IOSurface |
-class IOSurfaceImageTransportSurface |
- : public gfx::NoOpGLSurfaceCGL, |
- public ImageTransportSurface, |
- public GpuCommandBufferStub::DestructionObserver { |
- public: |
- IOSurfaceImageTransportSurface(GpuChannelManager* manager, |
- GpuCommandBufferStub* stub, |
- gfx::PluginWindowHandle handle); |
- |
- // GLSurface implementation |
- virtual bool Initialize() OVERRIDE; |
- virtual void Destroy() OVERRIDE; |
- virtual bool DeferDraws() OVERRIDE; |
- virtual bool IsOffscreen() OVERRIDE; |
- virtual bool SwapBuffers() OVERRIDE; |
- virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE; |
- virtual bool SupportsPostSubBuffer() OVERRIDE; |
- virtual gfx::Size GetSize() OVERRIDE; |
- virtual bool OnMakeCurrent(gfx::GLContext* context) OVERRIDE; |
- virtual unsigned int GetBackingFrameBufferObject() OVERRIDE; |
- virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE; |
- virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE; |
- |
- protected: |
- // ImageTransportSurface implementation |
- virtual void OnBufferPresented( |
- const AcceleratedSurfaceMsg_BufferPresented_Params& params) OVERRIDE; |
- virtual void OnResize(gfx::Size size, float scale_factor) OVERRIDE; |
- virtual void SetLatencyInfo( |
- const std::vector<ui::LatencyInfo>&) OVERRIDE; |
- virtual void WakeUpGpu() OVERRIDE; |
- |
- // GpuCommandBufferStub::DestructionObserver implementation. |
- virtual void OnWillDestroyStub() OVERRIDE; |
- |
- private: |
- virtual ~IOSurfaceImageTransportSurface() OVERRIDE; |
- |
- void AdjustBufferAllocation(); |
- void UnrefIOSurface(); |
- void CreateIOSurface(); |
- |
- // Tracks the current buffer allocation state. |
- bool backbuffer_suggested_allocation_; |
- bool frontbuffer_suggested_allocation_; |
- |
- uint32 fbo_id_; |
- GLuint texture_id_; |
- GLuint depth_stencil_renderbuffer_id_; |
- |
- base::ScopedCFTypeRef<IOSurfaceRef> io_surface_; |
- |
- // The id of |io_surface_| or 0 if that's NULL. |
- uint64 io_surface_handle_; |
- |
- // Weak pointer to the context that this was last made current to. |
- gfx::GLContext* context_; |
- |
- gfx::Size size_; |
- gfx::Size rounded_size_; |
- float scale_factor_; |
- |
- // Whether or not we've successfully made the surface current once. |
- bool made_current_; |
- |
- // Whether a SwapBuffers is pending. |
- bool is_swap_buffers_pending_; |
- |
- // Whether we unscheduled command buffer because of pending SwapBuffers. |
- bool did_unschedule_; |
- |
- std::vector<ui::LatencyInfo> latency_info_; |
- |
- scoped_ptr<ImageTransportHelper> helper_; |
- |
- DISALLOW_COPY_AND_ASSIGN(IOSurfaceImageTransportSurface); |
-}; |
- |
-void AddBooleanValue(CFMutableDictionaryRef dictionary, |
- const CFStringRef key, |
- bool value) { |
- CFDictionaryAddValue(dictionary, key, |
- (value ? kCFBooleanTrue : kCFBooleanFalse)); |
-} |
- |
-void AddIntegerValue(CFMutableDictionaryRef dictionary, |
- const CFStringRef key, |
- int32 value) { |
- base::ScopedCFTypeRef<CFNumberRef> number( |
- CFNumberCreate(NULL, kCFNumberSInt32Type, &value)); |
- CFDictionaryAddValue(dictionary, key, number.get()); |
-} |
- |
-IOSurfaceImageTransportSurface::IOSurfaceImageTransportSurface( |
- GpuChannelManager* manager, |
- GpuCommandBufferStub* stub, |
- gfx::PluginWindowHandle handle) |
- : gfx::NoOpGLSurfaceCGL(gfx::Size(1, 1)), |
- backbuffer_suggested_allocation_(true), |
- frontbuffer_suggested_allocation_(true), |
- fbo_id_(0), |
- texture_id_(0), |
- depth_stencil_renderbuffer_id_(0), |
- io_surface_handle_(0), |
- context_(NULL), |
- scale_factor_(1.f), |
- made_current_(false), |
- is_swap_buffers_pending_(false), |
- did_unschedule_(false) { |
- helper_.reset(new ImageTransportHelper(this, manager, stub, handle)); |
-} |
- |
-IOSurfaceImageTransportSurface::~IOSurfaceImageTransportSurface() { |
-} |
- |
-bool IOSurfaceImageTransportSurface::Initialize() { |
- // Only support IOSurfaces if the GL implementation is the native desktop GL. |
- // IO surfaces will not work with, for example, OSMesa software renderer |
- // GL contexts. |
- if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL && |
- gfx::GetGLImplementation() != gfx::kGLImplementationAppleGL) |
- return false; |
- |
- if (!helper_->Initialize()) |
- return false; |
- |
- if (!NoOpGLSurfaceCGL::Initialize()) { |
- helper_->Destroy(); |
- return false; |
- } |
- |
- helper_->stub()->AddDestructionObserver(this); |
- return true; |
-} |
- |
-void IOSurfaceImageTransportSurface::Destroy() { |
- UnrefIOSurface(); |
- |
- helper_->Destroy(); |
- NoOpGLSurfaceCGL::Destroy(); |
-} |
- |
-bool IOSurfaceImageTransportSurface::DeferDraws() { |
- // The command buffer hit a draw/clear command that could clobber the |
- // IOSurface in use by an earlier SwapBuffers. If a Swap is pending, abort |
- // processing of the command by returning true and unschedule until the Swap |
- // Ack arrives. |
- if(did_unschedule_) |
- return true; // Still unscheduled, so just return true. |
- if (is_swap_buffers_pending_) { |
- did_unschedule_ = true; |
- helper_->SetScheduled(false); |
- return true; |
- } |
- return false; |
-} |
- |
-bool IOSurfaceImageTransportSurface::IsOffscreen() { |
- return false; |
-} |
- |
-bool IOSurfaceImageTransportSurface::OnMakeCurrent(gfx::GLContext* context) { |
- context_ = context; |
- |
- if (made_current_) |
- return true; |
- |
- OnResize(gfx::Size(1, 1), 1.f); |
- |
- made_current_ = true; |
- return true; |
-} |
- |
-unsigned int IOSurfaceImageTransportSurface::GetBackingFrameBufferObject() { |
- return fbo_id_; |
-} |
- |
-bool IOSurfaceImageTransportSurface::SetBackbufferAllocation(bool allocation) { |
- if (backbuffer_suggested_allocation_ == allocation) |
- return true; |
- backbuffer_suggested_allocation_ = allocation; |
- AdjustBufferAllocation(); |
- return true; |
-} |
- |
-void IOSurfaceImageTransportSurface::SetFrontbufferAllocation(bool allocation) { |
- if (frontbuffer_suggested_allocation_ == allocation) |
- return; |
- frontbuffer_suggested_allocation_ = allocation; |
- AdjustBufferAllocation(); |
-} |
- |
-void IOSurfaceImageTransportSurface::AdjustBufferAllocation() { |
- // On mac, the frontbuffer and backbuffer are the same buffer. The buffer is |
- // free'd when both the browser and gpu processes have Unref'd the IOSurface. |
- if (!backbuffer_suggested_allocation_ && |
- !frontbuffer_suggested_allocation_ && |
- io_surface_.get()) { |
- UnrefIOSurface(); |
- helper_->Suspend(); |
- } else if (backbuffer_suggested_allocation_ && !io_surface_) { |
- CreateIOSurface(); |
- } |
-} |
- |
-bool IOSurfaceImageTransportSurface::SwapBuffers() { |
- DCHECK(backbuffer_suggested_allocation_); |
- if (!frontbuffer_suggested_allocation_) |
- return true; |
- glFlush(); |
- |
- GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params; |
- params.surface_handle = io_surface_handle_; |
- params.size = GetSize(); |
- params.scale_factor = scale_factor_; |
- params.latency_info.swap(latency_info_); |
- helper_->SendAcceleratedSurfaceBuffersSwapped(params); |
- |
- DCHECK(!is_swap_buffers_pending_); |
- is_swap_buffers_pending_ = true; |
- return true; |
-} |
- |
-bool IOSurfaceImageTransportSurface::PostSubBuffer( |
- int x, int y, int width, int height) { |
- DCHECK(backbuffer_suggested_allocation_); |
- if (!frontbuffer_suggested_allocation_) |
- return true; |
- glFlush(); |
- |
- GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params params; |
- params.surface_handle = io_surface_handle_; |
- params.x = x; |
- params.y = y; |
- params.width = width; |
- params.height = height; |
- params.surface_size = GetSize(); |
- params.surface_scale_factor = scale_factor_; |
- params.latency_info.swap(latency_info_); |
- helper_->SendAcceleratedSurfacePostSubBuffer(params); |
- |
- DCHECK(!is_swap_buffers_pending_); |
- is_swap_buffers_pending_ = true; |
- return true; |
-} |
- |
-bool IOSurfaceImageTransportSurface::SupportsPostSubBuffer() { |
- return true; |
-} |
- |
-gfx::Size IOSurfaceImageTransportSurface::GetSize() { |
- return size_; |
-} |
- |
-void IOSurfaceImageTransportSurface::OnBufferPresented( |
- const AcceleratedSurfaceMsg_BufferPresented_Params& params) { |
- DCHECK(is_swap_buffers_pending_); |
- |
- context_->share_group()->SetRendererID(params.renderer_id); |
- is_swap_buffers_pending_ = false; |
- if (did_unschedule_) { |
- did_unschedule_ = false; |
- helper_->SetScheduled(true); |
- } |
-} |
- |
-void IOSurfaceImageTransportSurface::OnResize(gfx::Size size, |
- float scale_factor) { |
- // This trace event is used in gpu_feature_browsertest.cc - the test will need |
- // to be updated if this event is changed or moved. |
- TRACE_EVENT2("gpu", "IOSurfaceImageTransportSurface::OnResize", |
- "old_width", size_.width(), "new_width", size.width()); |
- // Caching |context_| from OnMakeCurrent. It should still be current. |
- DCHECK(context_->IsCurrent(this)); |
- |
- size_ = size; |
- scale_factor_ = scale_factor; |
- |
- CreateIOSurface(); |
-} |
- |
-void IOSurfaceImageTransportSurface::SetLatencyInfo( |
- const std::vector<ui::LatencyInfo>& latency_info) { |
- for (size_t i = 0; i < latency_info.size(); i++) |
- latency_info_.push_back(latency_info[i]); |
-} |
- |
-void IOSurfaceImageTransportSurface::WakeUpGpu() { |
- NOTIMPLEMENTED(); |
-} |
- |
-void IOSurfaceImageTransportSurface::OnWillDestroyStub() { |
- helper_->stub()->RemoveDestructionObserver(this); |
- Destroy(); |
-} |
- |
-void IOSurfaceImageTransportSurface::UnrefIOSurface() { |
- // If we have resources to destroy, then make sure that we have a current |
- // context which we can use to delete the resources. |
- if (context_ || fbo_id_ || texture_id_ || depth_stencil_renderbuffer_id_) { |
- DCHECK(gfx::GLContext::GetCurrent() == context_); |
- DCHECK(context_->IsCurrent(this)); |
- DCHECK(CGLGetCurrentContext()); |
- } |
- |
- if (fbo_id_) { |
- glDeleteFramebuffersEXT(1, &fbo_id_); |
- fbo_id_ = 0; |
- } |
- |
- if (texture_id_) { |
- glDeleteTextures(1, &texture_id_); |
- texture_id_ = 0; |
- } |
- |
- if (depth_stencil_renderbuffer_id_) { |
- glDeleteRenderbuffersEXT(1, &depth_stencil_renderbuffer_id_); |
- depth_stencil_renderbuffer_id_ = 0; |
- } |
- |
- io_surface_.reset(); |
- io_surface_handle_ = 0; |
-} |
- |
-void IOSurfaceImageTransportSurface::CreateIOSurface() { |
- gfx::Size new_rounded_size(RoundUpSurfaceDimension(size_.width()), |
- RoundUpSurfaceDimension(size_.height())); |
- |
- // Only recreate surface when the rounded up size has changed. |
- if (io_surface_.get() && new_rounded_size == rounded_size_) |
- return; |
- |
- // This trace event is used in gpu_feature_browsertest.cc - the test will need |
- // to be updated if this event is changed or moved. |
- TRACE_EVENT2("gpu", "IOSurfaceImageTransportSurface::CreateIOSurface", |
- "width", new_rounded_size.width(), |
- "height", new_rounded_size.height()); |
- |
- rounded_size_ = new_rounded_size; |
- |
- GLint previous_texture_id = 0; |
- glGetIntegerv(GL_TEXTURE_BINDING_RECTANGLE_ARB, &previous_texture_id); |
- |
- // Free the old IO Surface first to reduce memory fragmentation. |
- UnrefIOSurface(); |
- |
- glGenFramebuffersEXT(1, &fbo_id_); |
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo_id_); |
- |
- glGenTextures(1, &texture_id_); |
- |
- // GL_TEXTURE_RECTANGLE_ARB is the best supported render target on |
- // Mac OS X and is required for IOSurface interoperability. |
- GLenum target = GL_TEXTURE_RECTANGLE_ARB; |
- glBindTexture(target, texture_id_); |
- glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
- glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
- glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
- glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
- |
- glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, |
- GL_COLOR_ATTACHMENT0_EXT, |
- target, |
- texture_id_, |
- 0); |
- |
- |
- // Search through the provided attributes; if the caller has |
- // requested a stencil buffer, try to get one. |
- |
- int32 stencil_bits = |
- helper_->stub()->GetRequestedAttribute(EGL_STENCIL_SIZE); |
- if (stencil_bits > 0) { |
- // Create and bind the stencil buffer |
- bool has_packed_depth_stencil = |
- GLSurface::ExtensionsContain( |
- reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)), |
- "GL_EXT_packed_depth_stencil"); |
- |
- if (has_packed_depth_stencil) { |
- glGenRenderbuffersEXT(1, &depth_stencil_renderbuffer_id_); |
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, |
- depth_stencil_renderbuffer_id_); |
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, |
- rounded_size_.width(), rounded_size_.height()); |
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, |
- GL_STENCIL_ATTACHMENT_EXT, |
- GL_RENDERBUFFER_EXT, |
- depth_stencil_renderbuffer_id_); |
- } |
- |
- // If we asked for stencil but the extension isn't present, |
- // it's OK to silently fail; subsequent code will/must check |
- // for the presence of a stencil buffer before attempting to |
- // do stencil-based operations. |
- } |
- |
- // Allocate a new IOSurface, which is the GPU resource that can be |
- // shared across processes. |
- base::ScopedCFTypeRef<CFMutableDictionaryRef> properties; |
- properties.reset(CFDictionaryCreateMutable(kCFAllocatorDefault, |
- 0, |
- &kCFTypeDictionaryKeyCallBacks, |
- &kCFTypeDictionaryValueCallBacks)); |
- AddIntegerValue(properties, |
- kIOSurfaceWidth, |
- rounded_size_.width()); |
- AddIntegerValue(properties, |
- kIOSurfaceHeight, |
- rounded_size_.height()); |
- AddIntegerValue(properties, |
- kIOSurfaceBytesPerElement, 4); |
- AddBooleanValue(properties, |
- kIOSurfaceIsGlobal, true); |
- // I believe we should be able to unreference the IOSurfaces without |
- // synchronizing with the browser process because they are |
- // ultimately reference counted by the operating system. |
- io_surface_.reset(IOSurfaceCreate(properties)); |
- io_surface_handle_ = IOSurfaceGetID(io_surface_); |
- |
- // Don't think we need to identify a plane. |
- GLuint plane = 0; |
- CGLError cglerror = |
- CGLTexImageIOSurface2D( |
- static_cast<CGLContextObj>(context_->GetHandle()), |
- target, |
- GL_RGBA, |
- rounded_size_.width(), |
- rounded_size_.height(), |
- GL_BGRA, |
- GL_UNSIGNED_INT_8_8_8_8_REV, |
- io_surface_.get(), |
- plane); |
- if (cglerror != kCGLNoError) { |
- UnrefIOSurface(); |
- return; |
- } |
- |
- glFlush(); |
- |
- GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); |
- if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { |
- DLOG(ERROR) << "Framebuffer was incomplete: " << status; |
- UnrefIOSurface(); |
- return; |
- } |
- |
- glBindTexture(target, previous_texture_id); |
- // The FBO remains bound for this GL context. |
-} |
- |
-// A subclass of GLSurfaceOSMesa that doesn't print an error message when |
-// SwapBuffers() is called. |
-class DRTSurfaceOSMesa : public gfx::GLSurfaceOSMesa { |
- public: |
- // Size doesn't matter, the surface is resized to the right size later. |
- DRTSurfaceOSMesa() : GLSurfaceOSMesa(GL_RGBA, gfx::Size(1, 1)) {} |
- |
- // Implement a subset of GLSurface. |
- virtual bool SwapBuffers() OVERRIDE; |
- |
- private: |
- virtual ~DRTSurfaceOSMesa() {} |
- DISALLOW_COPY_AND_ASSIGN(DRTSurfaceOSMesa); |
-}; |
- |
-bool DRTSurfaceOSMesa::SwapBuffers() { |
- return true; |
-} |
- |
-bool g_allow_os_mesa = false; |
- |
-} // namespace |
- |
-// static |
-scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface( |
- GpuChannelManager* manager, |
- GpuCommandBufferStub* stub, |
- const gfx::GLSurfaceHandle& surface_handle) { |
- DCHECK(surface_handle.transport_type == gfx::NATIVE_DIRECT || |
- surface_handle.transport_type == gfx::NATIVE_TRANSPORT); |
- |
- switch (gfx::GetGLImplementation()) { |
- case gfx::kGLImplementationDesktopGL: |
- case gfx::kGLImplementationAppleGL: |
- return scoped_refptr<gfx::GLSurface>(new IOSurfaceImageTransportSurface( |
- manager, stub, surface_handle.handle)); |
- |
- default: |
- // Content shell in DRT mode spins up a gpu process which needs an |
- // image transport surface, but that surface isn't used to read pixel |
- // baselines. So this is mostly a dummy surface. |
- if (!g_allow_os_mesa) { |
- NOTREACHED(); |
- return scoped_refptr<gfx::GLSurface>(); |
- } |
- scoped_refptr<gfx::GLSurface> surface(new DRTSurfaceOSMesa()); |
- if (!surface.get() || !surface->Initialize()) |
- return surface; |
- return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface( |
- manager, stub, surface.get())); |
- } |
-} |
- |
-// static |
-void ImageTransportSurface::SetAllowOSMesaForTesting(bool allow) { |
- g_allow_os_mesa = allow; |
-} |
- |
-} // namespace content |