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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "GrContext.h" | 10 #include "GrContext.h" |
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264 GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, | 264 GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
265 height, | 265 height, |
266 sampleCnt); | 266 sampleCnt); |
267 GrCacheable* resource = fResourceCache->find(resourceKey); | 267 GrCacheable* resource = fResourceCache->find(resourceKey); |
268 return static_cast<GrStencilBuffer*>(resource); | 268 return static_cast<GrStencilBuffer*>(resource); |
269 } | 269 } |
270 | 270 |
271 static void stretch_image(void* dst, | 271 static void stretch_image(void* dst, |
272 int dstW, | 272 int dstW, |
273 int dstH, | 273 int dstH, |
274 void* src, | 274 const void* src, |
275 int srcW, | 275 int srcW, |
276 int srcH, | 276 int srcH, |
277 size_t bpp) { | 277 size_t bpp) { |
278 SkFixed dx = (srcW << 16) / dstW; | 278 SkFixed dx = (srcW << 16) / dstW; |
279 SkFixed dy = (srcH << 16) / dstH; | 279 SkFixed dy = (srcH << 16) / dstH; |
280 | 280 |
281 SkFixed y = dy >> 1; | 281 SkFixed y = dy >> 1; |
282 | 282 |
283 size_t dstXLimit = dstW*bpp; | 283 size_t dstXLimit = dstW*bpp; |
284 for (int j = 0; j < dstH; ++j) { | 284 for (int j = 0; j < dstH; ++j) { |
285 SkFixed x = dx >> 1; | 285 SkFixed x = dx >> 1; |
286 void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; | 286 const uint8_t* srcRow = reinterpret_cast<const uint8_t *>(src) + (y>>16)
*srcW*bpp; |
287 void* dstRow = (uint8_t*)dst + j*dstW*bpp; | 287 uint8_t* dstRow = reinterpret_cast<uint8_t *>(dst) + j*dstW*bpp; |
288 for (size_t i = 0; i < dstXLimit; i += bpp) { | 288 for (size_t i = 0; i < dstXLimit; i += bpp) { |
289 memcpy((uint8_t*) dstRow + i, | 289 memcpy(dstRow + i, srcRow + (x>>16)*bpp, bpp); |
290 (uint8_t*) srcRow + (x>>16)*bpp, | |
291 bpp); | |
292 x += dx; | 290 x += dx; |
293 } | 291 } |
294 y += dy; | 292 y += dy; |
295 } | 293 } |
296 } | 294 } |
297 | 295 |
298 namespace { | 296 namespace { |
299 | 297 |
300 // position + local coordinate | 298 // position + local coordinate |
301 extern const GrVertexAttrib gVertexAttribs[] = { | 299 extern const GrVertexAttrib gVertexAttribs[] = { |
302 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding
}, | 300 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding
}, |
303 {kVec2f_GrVertexAttribType, sizeof(SkPoint), kLocalCoord_GrVertexAttribBindi
ng} | 301 {kVec2f_GrVertexAttribType, sizeof(SkPoint), kLocalCoord_GrVertexAttribBindi
ng} |
304 }; | 302 }; |
305 | 303 |
306 }; | 304 }; |
307 | 305 |
308 // The desired texture is NPOT and tiled but that isn't supported by | 306 // The desired texture is NPOT and tiled but that isn't supported by |
309 // the current hardware. Resize the texture to be a POT | 307 // the current hardware. Resize the texture to be a POT |
310 GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, | 308 GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
311 const GrCacheID& cacheID, | 309 const GrCacheID& cacheID, |
312 void* srcData, | 310 const void* srcData, |
313 size_t rowBytes, | 311 size_t rowBytes, |
314 bool filter) { | 312 bool filter) { |
315 SkAutoTUnref<GrTexture> clampedTexture(this->findAndRefTexture(desc, cacheID
, NULL)); | 313 SkAutoTUnref<GrTexture> clampedTexture(this->findAndRefTexture(desc, cacheID
, NULL)); |
316 if (NULL == clampedTexture) { | 314 if (NULL == clampedTexture) { |
317 clampedTexture.reset(this->createTexture(NULL, desc, cacheID, srcData, r
owBytes)); | 315 clampedTexture.reset(this->createTexture(NULL, desc, cacheID, srcData, r
owBytes)); |
318 | 316 |
319 if (NULL == clampedTexture) { | 317 if (NULL == clampedTexture) { |
320 return NULL; | 318 return NULL; |
321 } | 319 } |
322 } | 320 } |
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372 texture = fGpu->createTexture(rtDesc, stretchedPixels.get(), stretchedRo
wBytes); | 370 texture = fGpu->createTexture(rtDesc, stretchedPixels.get(), stretchedRo
wBytes); |
373 SkASSERT(NULL != texture); | 371 SkASSERT(NULL != texture); |
374 } | 372 } |
375 | 373 |
376 return texture; | 374 return texture; |
377 } | 375 } |
378 | 376 |
379 GrTexture* GrContext::createTexture(const GrTextureParams* params, | 377 GrTexture* GrContext::createTexture(const GrTextureParams* params, |
380 const GrTextureDesc& desc, | 378 const GrTextureDesc& desc, |
381 const GrCacheID& cacheID, | 379 const GrCacheID& cacheID, |
382 void* srcData, | 380 const void* srcData, |
383 size_t rowBytes, | 381 size_t rowBytes, |
384 GrResourceKey* cacheKey) { | 382 GrResourceKey* cacheKey) { |
385 GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, ca
cheID); | 383 GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, ca
cheID); |
386 | 384 |
387 GrTexture* texture; | 385 GrTexture* texture; |
388 if (GrTextureImpl::NeedsResizing(resourceKey)) { | 386 if (GrTextureImpl::NeedsResizing(resourceKey)) { |
389 texture = this->createResizedTexture(desc, cacheID, | 387 texture = this->createResizedTexture(desc, cacheID, |
390 srcData, rowBytes, | 388 srcData, rowBytes, |
391 GrTextureImpl::NeedsBilerp(resource
Key)); | 389 GrTextureImpl::NeedsBilerp(resource
Key)); |
392 } else { | 390 } else { |
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1833 SkSafeRef(resource); | 1831 SkSafeRef(resource); |
1834 return resource; | 1832 return resource; |
1835 } | 1833 } |
1836 | 1834 |
1837 /////////////////////////////////////////////////////////////////////////////// | 1835 /////////////////////////////////////////////////////////////////////////////// |
1838 #if GR_CACHE_STATS | 1836 #if GR_CACHE_STATS |
1839 void GrContext::printCacheStats() const { | 1837 void GrContext::printCacheStats() const { |
1840 fResourceCache->printStats(); | 1838 fResourceCache->printStats(); |
1841 } | 1839 } |
1842 #endif | 1840 #endif |
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