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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 "cc/software_renderer.h" | 5 #include "cc/software_renderer.h" |
6 | 6 |
7 #include <public/WebCompositorSoftwareOutputDevice.h> | |
8 #include <public/WebImage.h> | 7 #include <public/WebImage.h> |
9 #include <public/WebSize.h> | |
10 | 8 |
11 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
12 #include "cc/debug_border_draw_quad.h" | 10 #include "cc/debug_border_draw_quad.h" |
13 #include "cc/math_util.h" | 11 #include "cc/math_util.h" |
14 #include "cc/render_pass_draw_quad.h" | 12 #include "cc/render_pass_draw_quad.h" |
| 13 #include "cc/software_output_device.h" |
15 #include "cc/solid_color_draw_quad.h" | 14 #include "cc/solid_color_draw_quad.h" |
16 #include "cc/texture_draw_quad.h" | 15 #include "cc/texture_draw_quad.h" |
17 #include "cc/tile_draw_quad.h" | 16 #include "cc/tile_draw_quad.h" |
18 #include "third_party/skia/include/core/SkCanvas.h" | 17 #include "third_party/skia/include/core/SkCanvas.h" |
19 #include "third_party/skia/include/core/SkColor.h" | 18 #include "third_party/skia/include/core/SkColor.h" |
20 #include "third_party/skia/include/core/SkMatrix.h" | 19 #include "third_party/skia/include/core/SkMatrix.h" |
21 #include "third_party/skia/include/core/SkShader.h" | 20 #include "third_party/skia/include/core/SkShader.h" |
22 #include "third_party/skia/include/effects/SkLayerRasterizer.h" | 21 #include "third_party/skia/include/effects/SkLayerRasterizer.h" |
23 #include "ui/gfx/rect_conversions.h" | 22 #include "ui/gfx/rect_conversions.h" |
24 #include "ui/gfx/skia_util.h" | 23 #include "ui/gfx/skia_util.h" |
25 #include "ui/gfx/transform.h" | 24 #include "ui/gfx/transform.h" |
26 | 25 |
27 using WebKit::WebCompositorSoftwareOutputDevice; | |
28 using WebKit::WebSize; | |
29 | |
30 namespace cc { | 26 namespace cc { |
31 | 27 |
32 namespace { | 28 namespace { |
33 | 29 |
34 void toSkMatrix(SkMatrix* flattened, const gfx::Transform& m) | 30 void toSkMatrix(SkMatrix* flattened, const gfx::Transform& m) |
35 { | 31 { |
36 // Convert from 4x4 to 3x3 by dropping the third row and column. | 32 // Convert from 4x4 to 3x3 by dropping the third row and column. |
37 flattened->set(0, SkDoubleToScalar(m.matrix().getDouble(0, 0))); | 33 flattened->set(0, SkDoubleToScalar(m.matrix().getDouble(0, 0))); |
38 flattened->set(1, SkDoubleToScalar(m.matrix().getDouble(0, 1))); | 34 flattened->set(1, SkDoubleToScalar(m.matrix().getDouble(0, 1))); |
39 flattened->set(2, SkDoubleToScalar(m.matrix().getDouble(0, 3))); | 35 flattened->set(2, SkDoubleToScalar(m.matrix().getDouble(0, 3))); |
40 flattened->set(3, SkDoubleToScalar(m.matrix().getDouble(1, 0))); | 36 flattened->set(3, SkDoubleToScalar(m.matrix().getDouble(1, 0))); |
41 flattened->set(4, SkDoubleToScalar(m.matrix().getDouble(1, 1))); | 37 flattened->set(4, SkDoubleToScalar(m.matrix().getDouble(1, 1))); |
42 flattened->set(5, SkDoubleToScalar(m.matrix().getDouble(1, 3))); | 38 flattened->set(5, SkDoubleToScalar(m.matrix().getDouble(1, 3))); |
43 flattened->set(6, SkDoubleToScalar(m.matrix().getDouble(3, 0))); | 39 flattened->set(6, SkDoubleToScalar(m.matrix().getDouble(3, 0))); |
44 flattened->set(7, SkDoubleToScalar(m.matrix().getDouble(3, 1))); | 40 flattened->set(7, SkDoubleToScalar(m.matrix().getDouble(3, 1))); |
45 flattened->set(8, SkDoubleToScalar(m.matrix().getDouble(3, 3))); | 41 flattened->set(8, SkDoubleToScalar(m.matrix().getDouble(3, 3))); |
46 } | 42 } |
47 | 43 |
48 bool isScaleAndTranslate(const SkMatrix& matrix) | 44 bool isScaleAndTranslate(const SkMatrix& matrix) |
49 { | 45 { |
50 return SkScalarNearlyZero(matrix[SkMatrix::kMSkewX]) && | 46 return SkScalarNearlyZero(matrix[SkMatrix::kMSkewX]) && |
51 SkScalarNearlyZero(matrix[SkMatrix::kMSkewY]) && | 47 SkScalarNearlyZero(matrix[SkMatrix::kMSkewY]) && |
52 SkScalarNearlyZero(matrix[SkMatrix::kMPersp0]) && | 48 SkScalarNearlyZero(matrix[SkMatrix::kMPersp0]) && |
53 SkScalarNearlyZero(matrix[SkMatrix::kMPersp1]) && | 49 SkScalarNearlyZero(matrix[SkMatrix::kMPersp1]) && |
54 SkScalarNearlyZero(matrix[SkMatrix::kMPersp2] - 1.0f); | 50 SkScalarNearlyZero(matrix[SkMatrix::kMPersp2] - 1.0f); |
55 } | 51 } |
56 | 52 |
57 } // anonymous namespace | 53 } // anonymous namespace |
58 | 54 |
59 scoped_ptr<SoftwareRenderer> SoftwareRenderer::create(RendererClient* client, Re
sourceProvider* resourceProvider, WebCompositorSoftwareOutputDevice* outputDevic
e) | 55 scoped_ptr<SoftwareRenderer> SoftwareRenderer::create(RendererClient* client, Re
sourceProvider* resourceProvider, SoftwareOutputDevice* outputDevice) |
60 { | 56 { |
61 return make_scoped_ptr(new SoftwareRenderer(client, resourceProvider, output
Device)); | 57 return make_scoped_ptr(new SoftwareRenderer(client, resourceProvider, output
Device)); |
62 } | 58 } |
63 | 59 |
64 SoftwareRenderer::SoftwareRenderer(RendererClient* client, ResourceProvider* res
ourceProvider, WebCompositorSoftwareOutputDevice* outputDevice) | 60 SoftwareRenderer::SoftwareRenderer(RendererClient* client, ResourceProvider* res
ourceProvider, SoftwareOutputDevice* outputDevice) |
65 : DirectRenderer(client, resourceProvider) | 61 : DirectRenderer(client, resourceProvider) |
66 , m_visible(true) | 62 , m_visible(true) |
67 , m_outputDevice(outputDevice) | 63 , m_outputDevice(outputDevice) |
68 , m_skCurrentCanvas(0) | 64 , m_skCurrentCanvas(0) |
69 { | 65 { |
70 m_resourceProvider->setDefaultResourceType(ResourceProvider::Bitmap); | 66 m_resourceProvider->setDefaultResourceType(ResourceProvider::Bitmap); |
71 | 67 |
72 m_capabilities.maxTextureSize = INT_MAX; | 68 m_capabilities.maxTextureSize = INT_MAX; |
73 m_capabilities.bestTextureFormat = GL_RGBA; | 69 m_capabilities.bestTextureFormat = GL_RGBA; |
74 m_capabilities.contextHasCachedFrontBuffer = true; | 70 m_capabilities.contextHasCachedFrontBuffer = true; |
75 m_capabilities.usingSetVisibility = true; | 71 m_capabilities.usingSetVisibility = true; |
76 | 72 |
77 viewportChanged(); | 73 viewportChanged(); |
78 } | 74 } |
79 | 75 |
80 SoftwareRenderer::~SoftwareRenderer() | 76 SoftwareRenderer::~SoftwareRenderer() |
81 { | 77 { |
82 } | 78 } |
83 | 79 |
84 const RendererCapabilities& SoftwareRenderer::capabilities() const | 80 const RendererCapabilities& SoftwareRenderer::capabilities() const |
85 { | 81 { |
86 return m_capabilities; | 82 return m_capabilities; |
87 } | 83 } |
88 | 84 |
89 void SoftwareRenderer::viewportChanged() | 85 void SoftwareRenderer::viewportChanged() |
90 { | 86 { |
91 m_outputDevice->didChangeViewportSize(WebSize(viewportSize().width(), viewpo
rtSize().height())); | 87 m_outputDevice->DidChangeViewportSize(viewportSize()); |
92 } | 88 } |
93 | 89 |
94 void SoftwareRenderer::beginDrawingFrame(DrawingFrame& frame) | 90 void SoftwareRenderer::beginDrawingFrame(DrawingFrame& frame) |
95 { | 91 { |
96 TRACE_EVENT0("cc", "SoftwareRenderer::beginDrawingFrame"); | 92 TRACE_EVENT0("cc", "SoftwareRenderer::beginDrawingFrame"); |
97 m_skRootCanvas = make_scoped_ptr(new SkCanvas(m_outputDevice->lock(true)->ge
tSkBitmap())); | 93 m_skRootCanvas = make_scoped_ptr(new SkCanvas(m_outputDevice->Lock(true)->ge
tSkBitmap())); |
98 } | 94 } |
99 | 95 |
100 void SoftwareRenderer::finishDrawingFrame(DrawingFrame& frame) | 96 void SoftwareRenderer::finishDrawingFrame(DrawingFrame& frame) |
101 { | 97 { |
102 TRACE_EVENT0("cc", "SoftwareRenderer::finishDrawingFrame"); | 98 TRACE_EVENT0("cc", "SoftwareRenderer::finishDrawingFrame"); |
103 m_currentFramebufferLock.reset(); | 99 m_currentFramebufferLock.reset(); |
104 m_skCurrentCanvas = 0; | 100 m_skCurrentCanvas = 0; |
105 m_skRootCanvas.reset(); | 101 m_skRootCanvas.reset(); |
106 m_outputDevice->unlock(); | 102 m_outputDevice->Unlock(); |
107 } | 103 } |
108 | 104 |
109 bool SoftwareRenderer::flippedFramebuffer() const | 105 bool SoftwareRenderer::flippedFramebuffer() const |
110 { | 106 { |
111 return false; | 107 return false; |
112 } | 108 } |
113 | 109 |
114 void SoftwareRenderer::ensureScissorTestEnabled() | 110 void SoftwareRenderer::ensureScissorTestEnabled() |
115 { | 111 { |
116 // Nothing to do here. Current implementation of software rendering has no | 112 // Nothing to do here. Current implementation of software rendering has no |
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362 bool SoftwareRenderer::swapBuffers() | 358 bool SoftwareRenderer::swapBuffers() |
363 { | 359 { |
364 if (m_client->hasImplThread()) | 360 if (m_client->hasImplThread()) |
365 m_client->onSwapBuffersComplete(); | 361 m_client->onSwapBuffersComplete(); |
366 return true; | 362 return true; |
367 } | 363 } |
368 | 364 |
369 void SoftwareRenderer::getFramebufferPixels(void *pixels, const gfx::Rect& rect) | 365 void SoftwareRenderer::getFramebufferPixels(void *pixels, const gfx::Rect& rect) |
370 { | 366 { |
371 TRACE_EVENT0("cc", "SoftwareRenderer::getFramebufferPixels"); | 367 TRACE_EVENT0("cc", "SoftwareRenderer::getFramebufferPixels"); |
372 SkBitmap fullBitmap = m_outputDevice->lock(false)->getSkBitmap(); | 368 SkBitmap fullBitmap = m_outputDevice->Lock(false)->getSkBitmap(); |
373 SkBitmap subsetBitmap; | 369 SkBitmap subsetBitmap; |
374 SkIRect invertRect = SkIRect::MakeXYWH(rect.x(), viewportSize().height() - r
ect.bottom(), rect.width(), rect.height()); | 370 SkIRect invertRect = SkIRect::MakeXYWH(rect.x(), viewportSize().height() - r
ect.bottom(), rect.width(), rect.height()); |
375 fullBitmap.extractSubset(&subsetBitmap, invertRect); | 371 fullBitmap.extractSubset(&subsetBitmap, invertRect); |
376 subsetBitmap.copyPixelsTo(pixels, rect.width() * rect.height() * 4, rect.wid
th() * 4); | 372 subsetBitmap.copyPixelsTo(pixels, rect.width() * rect.height() * 4, rect.wid
th() * 4); |
377 m_outputDevice->unlock(); | 373 m_outputDevice->Unlock(); |
378 } | 374 } |
379 | 375 |
380 void SoftwareRenderer::setVisible(bool visible) | 376 void SoftwareRenderer::setVisible(bool visible) |
381 { | 377 { |
382 if (m_visible == visible) | 378 if (m_visible == visible) |
383 return; | 379 return; |
384 m_visible = visible; | 380 m_visible = visible; |
385 } | 381 } |
386 | 382 |
387 } // namespace cc | 383 } // namespace cc |
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