#include <vector>
#import <Cocoa/Cocoa.h>
+#include <IOSurface/IOSurfaceAPI.h>
#include <QuartzCore/QuartzCore.h>
#include "base/callback.h"
#include "base/lazy_instance.h"
#include "base/mac/scoped_cftyperef.h"
+#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/size.h"
-class IOSurfaceSupport;
class SkBitmap;
namespace gfx {
namespace content {
class CompositingIOSurfaceContext;
-class CompositingIOSurfaceShaderPrograms;
-class CompositingIOSurfaceTransformer;
class RenderWidgetHostViewFrameSubscriber;
class RenderWidgetHostViewMac;
// This class manages an OpenGL context and IOSurface for the accelerated
// compositing code path. The GL context is attached to
// RenderWidgetHostViewCocoa for blitting the IOSurface.
-class CompositingIOSurfaceMac {
+class CompositingIOSurfaceMac
+ : public base::RefCounted<CompositingIOSurfaceMac> {
public:
- // Returns NULL if IOSurface support is missing or GL APIs fail.
- static CompositingIOSurfaceMac* Create();
- ~CompositingIOSurfaceMac();
+ // Returns NULL if IOSurface or GL API calls fail.
+ static scoped_refptr<CompositingIOSurfaceMac> Create();
// Set IOSurface that will be drawn on the next NSView drawRect.
bool SetIOSurfaceWithContextCurrent(
scoped_refptr<CompositingIOSurfaceContext> current_context,
- uint64 io_surface_handle,
+ IOSurfaceID io_surface_handle,
const gfx::Size& size,
float scale_factor) WARN_UNUSED_RESULT;
bool DrawIOSurface(
scoped_refptr<CompositingIOSurfaceContext> drawing_context,
const gfx::Rect& window_rect,
- float window_scale_factor,
- bool flush_drawable) WARN_UNUSED_RESULT;
+ float window_scale_factor) WARN_UNUSED_RESULT;
// Copy the data of the "live" OpenGL texture referring to this IOSurfaceRef
// into |out|. The copied region is specified with |src_pixel_subrect| and
bool HasBeenPoisoned() const;
private:
+ friend class base::RefCounted<CompositingIOSurfaceMac>;
+
// Vertex structure for use in glDraw calls.
struct SurfaceVertex {
SurfaceVertex() : x_(0.0f), y_(0.0f), tx_(0.0f), ty_(0.0f) { }
SurfaceVertex verts_[4];
};
- // Keeps track of states and buffers for readback of IOSurface.
- //
- // TODO(miu): Major code refactoring is badly needed! To be done in a
- // soon-upcoming change. For now, we blatantly violate the style guide with
- // respect to struct vs. class usage:
- struct CopyContext {
- explicit CopyContext(const scoped_refptr<CompositingIOSurfaceContext>& ctx);
- ~CopyContext();
-
- // Delete any references to owned OpenGL objects. This must be called
- // within the OpenGL context just before destruction.
- void ReleaseCachedGLObjects();
-
- // The following two methods assume |num_outputs| has been set, and are
- // being called within the OpenGL context.
- void PrepareReadbackFramebuffers();
- void PrepareForAsynchronousReadback();
-
- const scoped_ptr<CompositingIOSurfaceTransformer> transformer;
- GLenum output_readback_format;
- int num_outputs;
- GLuint output_textures[3]; // Not owned.
- // Note: For YUV, the |output_texture_sizes| widths are in terms of 4-byte
- // quads, not pixels.
- gfx::Size output_texture_sizes[3];
- GLuint frame_buffers[3];
- GLuint pixel_buffers[3];
- GLuint fence; // When non-zero, doing an asynchronous copy.
- int cycles_elapsed;
- base::Callback<bool(const void*, int)> map_buffer_callback;
- base::Callback<void(bool)> done_callback;
- };
-
CompositingIOSurfaceMac(
- IOSurfaceSupport* io_surface_support,
const scoped_refptr<CompositingIOSurfaceContext>& context);
-
- // If this IOSurface has moved to a different window, use that window's
- // GL context (if multiple visible windows are using the same GL context
- // then call to setView call can stall and prevent reaching 60fps).
- void SwitchToContextOnNewWindow(NSView* view,
- int window_number);
+ ~CompositingIOSurfaceMac();
// Returns true if IOSurface is ready to render. False otherwise.
bool MapIOSurfaceToTextureWithContextCurrent(
const scoped_refptr<CompositingIOSurfaceContext>& current_context,
const gfx::Size pixel_size,
float scale_factor,
- uint64 io_surface_handle) WARN_UNUSED_RESULT;
+ IOSurfaceID io_surface_handle) WARN_UNUSED_RESULT;
void UnrefIOSurfaceWithContextCurrent();
void DrawQuad(const SurfaceQuad& quad);
- // Copy current frame to |target| video frame. This method must be called
- // within a CGL context. Returns a callback that should be called outside
- // of the CGL context.
- // If |called_within_draw| is true this method is called within a drawing
- // operations. This allow certain optimizations.
- base::Closure CopyToVideoFrameWithinContext(
- const gfx::Rect& src_subrect,
- bool called_within_draw,
- const scoped_refptr<media::VideoFrame>& target,
- const base::Callback<void(bool)>& callback);
-
- // Common GPU-readback copy path. Only one of |bitmap_output| or
- // |video_frame_output| may be specified: Either ARGB is written to
- // |bitmap_output| or letter-boxed YV12 is written to |video_frame_output|.
- base::Closure CopyToSelectedOutputWithinContext(
- const gfx::Rect& src_pixel_subrect,
- const gfx::Rect& dst_pixel_rect,
- bool called_within_draw,
- const SkBitmap* bitmap_output,
- const scoped_refptr<media::VideoFrame>& video_frame_output,
- const base::Callback<void(bool)>& done_callback);
-
- // TODO(hclam): These two methods should be static.
- void AsynchronousReadbackForCopy(
- const gfx::Rect& dst_pixel_rect,
- bool called_within_draw,
- CopyContext* copy_context,
- const SkBitmap* bitmap_output,
- const scoped_refptr<media::VideoFrame>& video_frame_output);
- bool SynchronousReadbackForCopy(
- const gfx::Rect& dst_pixel_rect,
- CopyContext* copy_context,
- const SkBitmap* bitmap_output,
- const scoped_refptr<media::VideoFrame>& video_frame_output);
-
- void CheckIfAllCopiesAreFinishedWithinContext(
- bool block_until_finished,
- std::vector<base::Closure>* done_callbacks);
-
- void FailAllCopies();
- void DestroyAllCopyContextsWithinContext();
-
// Check for GL errors and store the result in error_. Only return new
// errors
GLenum GetAndSaveGLError();
- gfx::Rect IntersectWithIOSurface(const gfx::Rect& rect) const;
-
- // Cached pointer to IOSurfaceSupport Singleton.
- IOSurfaceSupport* io_surface_support_;
-
// Offscreen context used for all operations other than drawing to the
// screen. This is in the same share group as the contexts used for
// drawing, and is the same for all IOSurfaces in all windows.
scoped_refptr<CompositingIOSurfaceContext> offscreen_context_;
// IOSurface data.
- uint64 io_surface_handle_;
- base::ScopedCFTypeRef<CFTypeRef> io_surface_;
+ IOSurfaceID io_surface_handle_;
+ base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
// The width and height of the io surface.
gfx::Size pixel_io_surface_size_; // In pixels.
// with it.
GLuint texture_;
- // A pool of CopyContexts with OpenGL objects ready for re-use. Prefer to
- // pull one from the pool before creating a new CopyContext.
- std::vector<CopyContext*> copy_context_pool_;
-
- // CopyContexts being used for in-flight copy operations.
- std::deque<CopyContext*> copy_requests_;
-
- // Timer for finishing a copy operation.
- base::Timer finish_copy_timer_;
-
// Error saved by GetAndSaveGLError
GLint gl_error_;