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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gfx/compositor/compositor.h" | 5 #include "ui/gfx/compositor/compositor.h" |
6 | 6 |
7 #include <GL/gl.h> | 7 #include <GL/gl.h> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "third_party/skia/include/core/SkBitmap.h" | 13 #include "third_party/skia/include/core/SkBitmap.h" |
14 #include "third_party/skia/include/core/SkMatrix.h" | 14 #include "third_party/skia/include/core/SkMatrix.h" |
15 #include "third_party/skia/include/core/SkScalar.h" | 15 #include "third_party/skia/include/core/SkScalar.h" |
16 #include "ui/gfx/rect.h" | 16 #include "ui/gfx/rect.h" |
17 #include "ui/gfx/transform.h" | 17 #include "ui/gfx/transform.h" |
18 #include "ui/gfx/gl/gl_bindings.h" | 18 #include "ui/gfx/gl/gl_bindings.h" |
19 #include "ui/gfx/gl/gl_context.h" | 19 #include "ui/gfx/gl/gl_context.h" |
20 #include "ui/gfx/gl/gl_implementation.h" | 20 #include "ui/gfx/gl/gl_implementation.h" |
21 #include "ui/gfx/gl/gl_surface.h" | 21 #include "ui/gfx/gl/gl_surface.h" |
22 #include "ui/gfx/gl/gl_surface_glx.h" | 22 #include "ui/gfx/gl/gl_surface_glx.h" |
23 | 23 |
24 namespace ui { | 24 namespace ui { |
25 | 25 |
26 #if defined COMPOSITOR_2 | |
27 namespace glHidden { | 26 namespace glHidden { |
28 | 27 |
29 class CompositorGL; | 28 class CompositorGL; |
30 | 29 |
31 class TextureGL : public Texture { | 30 class TextureGL : public Texture { |
32 public: | 31 public: |
33 TextureGL(CompositorGL* compositor); | 32 TextureGL(CompositorGL* compositor); |
34 virtual ~TextureGL(); | 33 virtual ~TextureGL(); |
35 | 34 |
36 virtual void SetBitmap(const SkBitmap& bitmap, | 35 virtual void SetBitmap(const SkBitmap& bitmap, |
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355 | 354 |
356 } // namespace | 355 } // namespace |
357 | 356 |
358 // static | 357 // static |
359 Compositor* Compositor::Create(gfx::AcceleratedWidget widget) { | 358 Compositor* Compositor::Create(gfx::AcceleratedWidget widget) { |
360 gfx::GLSurface::InitializeOneOff(); | 359 gfx::GLSurface::InitializeOneOff(); |
361 if (gfx::GetGLImplementation() != gfx::kGLImplementationNone) | 360 if (gfx::GetGLImplementation() != gfx::kGLImplementationNone) |
362 return new glHidden::CompositorGL(widget); | 361 return new glHidden::CompositorGL(widget); |
363 return NULL; | 362 return NULL; |
364 } | 363 } |
365 #else | |
366 class CompositorGL : public Compositor { | |
367 public: | |
368 explicit CompositorGL(gfx::AcceleratedWidget widget); | |
369 | |
370 private: | |
371 // Overridden from Compositor. | |
372 void NotifyStart() OVERRIDE; | |
373 void NotifyEnd() OVERRIDE; | |
374 void DrawTextureWithTransform(TextureID txt, | |
375 const ui::Transform& transform) OVERRIDE; | |
376 void SaveTransform() OVERRIDE; | |
377 void RestoreTransform() OVERRIDE; | |
378 | |
379 // The GL context used for compositing. | |
380 scoped_refptr<gfx::GLSurface> gl_surface_; | |
381 scoped_refptr<gfx::GLContext> gl_context_; | |
382 | |
383 // Keep track of whether compositing has started or not. | |
384 bool started_; | |
385 | |
386 DISALLOW_COPY_AND_ASSIGN(CompositorGL); | |
387 }; | |
388 | |
389 CompositorGL::CompositorGL(gfx::AcceleratedWidget widget) | |
390 : started_(false) { | |
391 gl_surface_ = gfx::GLSurface::CreateViewGLSurface(widget); | |
392 gl_context_ = gfx::GLContext::CreateGLContext(NULL, gl_surface_.get()); | |
393 } | |
394 | |
395 void CompositorGL::NotifyStart() { | |
396 started_ = true; | |
397 gl_context_->MakeCurrent(gl_surface_.get()); | |
398 } | |
399 | |
400 void CompositorGL::NotifyEnd() { | |
401 DCHECK(started_); | |
402 gl_surface_->SwapBuffers(); | |
403 started_ = false; | |
404 } | |
405 | |
406 void CompositorGL::DrawTextureWithTransform(TextureID txt, | |
407 const ui::Transform& transform) { | |
408 DCHECK(started_); | |
409 | |
410 // TODO(wjmaclean): | |
411 NOTIMPLEMENTED(); | |
412 } | |
413 | |
414 void CompositorGL::SaveTransform() { | |
415 // TODO(sadrul): | |
416 NOTIMPLEMENTED(); | |
417 } | |
418 | |
419 void CompositorGL::RestoreTransform() { | |
420 // TODO(sadrul): | |
421 NOTIMPLEMENTED(); | |
422 } | |
423 | |
424 // static | |
425 Compositor* Compositor::Create(gfx::AcceleratedWidget widget) { | |
426 if (gfx::GetGLImplementation() != gfx::kGLImplementationNone) | |
427 return new CompositorGL(widget); | |
428 return NULL; | |
429 } | |
430 #endif | |
431 | 364 |
432 } // namespace ui | 365 } // namespace ui |
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