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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkGpuDevice.h" | 8 #include "SkGpuDevice.h" |
9 | 9 |
10 #include "GrBitmapTextContext.h" | 10 #include "GrBitmapTextContext.h" |
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55 } while (0) | 55 } while (0) |
56 #else | 56 #else |
57 #define CHECK_SHOULD_DRAW(draw) this->prepareDraw(draw) | 57 #define CHECK_SHOULD_DRAW(draw) this->prepareDraw(draw) |
58 #endif | 58 #endif |
59 | 59 |
60 // This constant represents the screen alignment criterion in texels for | 60 // This constant represents the screen alignment criterion in texels for |
61 // requiring texture domain clamping to prevent color bleeding when drawing | 61 // requiring texture domain clamping to prevent color bleeding when drawing |
62 // a sub region of a larger source image. | 62 // a sub region of a larger source image. |
63 #define COLOR_BLEED_TOLERANCE 0.001f | 63 #define COLOR_BLEED_TOLERANCE 0.001f |
64 | 64 |
65 // Do deferred clear just before any draw call | |
66 #define DO_DEFERRED_CLEAR() \ | 65 #define DO_DEFERRED_CLEAR() \ |
67 do { \ | 66 do { \ |
68 if (fNeedClear) { \ | 67 if (fNeedClear) { \ |
69 this->clearAll(); \ | 68 this->clearAll(); \ |
70 } \ | 69 } \ |
71 } while (false) \ | 70 } while (false) \ |
72 | 71 |
73 /////////////////////////////////////////////////////////////////////////////// | 72 /////////////////////////////////////////////////////////////////////////////// |
74 | 73 |
75 #define CHECK_FOR_ANNOTATION(paint) \ | 74 #define CHECK_FOR_ANNOTATION(paint) \ |
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295 SkASSERT(fClipStack.get()); | 294 SkASSERT(fClipStack.get()); |
296 | 295 |
297 SkASSERT(draw.fClipStack && draw.fClipStack == fClipStack); | 296 SkASSERT(draw.fClipStack && draw.fClipStack == fClipStack); |
298 | 297 |
299 fClip.setClipStack(fClipStack, &this->getOrigin()); | 298 fClip.setClipStack(fClipStack, &this->getOrigin()); |
300 | 299 |
301 DO_DEFERRED_CLEAR(); | 300 DO_DEFERRED_CLEAR(); |
302 } | 301 } |
303 | 302 |
304 GrRenderTarget* SkGpuDevice::accessRenderTarget() { | 303 GrRenderTarget* SkGpuDevice::accessRenderTarget() { |
| 304 DO_DEFERRED_CLEAR(); |
305 return fRenderTarget; | 305 return fRenderTarget; |
306 } | 306 } |
307 | 307 |
308 void SkGpuDevice::clearAll() { | 308 void SkGpuDevice::clearAll() { |
309 GrColor color = 0; | 309 GrColor color = 0; |
310 GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice::clearAll", fContext); | 310 GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice::clearAll", fContext); |
311 SkIRect rect = SkIRect::MakeWH(this->width(), this->height()); | 311 SkIRect rect = SkIRect::MakeWH(this->width(), this->height()); |
312 fContext->clear(&rect, color, true, fRenderTarget); | 312 fContext->clear(&rect, color, true, fRenderTarget); |
313 fNeedClear = false; | 313 fNeedClear = false; |
314 } | 314 } |
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2033 #endif | 2033 #endif |
2034 } | 2034 } |
2035 | 2035 |
2036 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() { | 2036 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() { |
2037 // We always return a transient cache, so it is freed after each | 2037 // We always return a transient cache, so it is freed after each |
2038 // filter traversal. | 2038 // filter traversal. |
2039 return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize); | 2039 return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize); |
2040 } | 2040 } |
2041 | 2041 |
2042 #endif | 2042 #endif |
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