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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 #include "SkWGL.h" | 9 #include "SkWGL.h" |
10 | 10 |
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360 int coreProfileAttribs[] = { | 360 int coreProfileAttribs[] = { |
361 SK_WGL_CONTEXT_MAJOR_VERSION, -1, | 361 SK_WGL_CONTEXT_MAJOR_VERSION, -1, |
362 SK_WGL_CONTEXT_MINOR_VERSION, -1, | 362 SK_WGL_CONTEXT_MINOR_VERSION, -1, |
363 SK_WGL_CONTEXT_PROFILE_MASK, SK_WGL_CONTEXT_CORE_PROFILE_BIT, | 363 SK_WGL_CONTEXT_PROFILE_MASK, SK_WGL_CONTEXT_CORE_PROFILE_BIT, |
364 0, | 364 0, |
365 }; | 365 }; |
366 for (int v = 0; v < SK_ARRAY_COUNT(kCoreGLVersions) / 2; ++v) { | 366 for (int v = 0; v < SK_ARRAY_COUNT(kCoreGLVersions) / 2; ++v) { |
367 coreProfileAttribs[1] = kCoreGLVersions[2 * v]; | 367 coreProfileAttribs[1] = kCoreGLVersions[2 * v]; |
368 coreProfileAttribs[3] = kCoreGLVersions[2 * v + 1]; | 368 coreProfileAttribs[3] = kCoreGLVersions[2 * v + 1]; |
369 glrc = extensions.createContextAttribs(dc, NULL, coreProfileAttr
ibs); | 369 glrc = extensions.createContextAttribs(dc, NULL, coreProfileAttr
ibs); |
370 if (NULL != glrc) { | 370 if (glrc) { |
371 break; | 371 break; |
372 } | 372 } |
373 } | 373 } |
374 } | 374 } |
375 } | 375 } |
376 | 376 |
377 if (NULL == glrc) { | 377 if (NULL == glrc) { |
378 glrc = wglCreateContext(dc); | 378 glrc = wglCreateContext(dc); |
379 } | 379 } |
380 SkASSERT(glrc); | 380 SkASSERT(glrc); |
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422 | 422 |
423 // try for single buffer first | 423 // try for single buffer first |
424 for (int dblBuffer = 0; dblBuffer < 2; ++dblBuffer) { | 424 for (int dblBuffer = 0; dblBuffer < 2; ++dblBuffer) { |
425 int pixelFormatsToTry[] = { -1, -1 }; | 425 int pixelFormatsToTry[] = { -1, -1 }; |
426 get_pixel_formats_to_try(parentDC, extensions, (0 != dblBuffer), msaaSam
pleCount, | 426 get_pixel_formats_to_try(parentDC, extensions, (0 != dblBuffer), msaaSam
pleCount, |
427 pixelFormatsToTry); | 427 pixelFormatsToTry); |
428 for (int f = 0; -1 != pixelFormatsToTry[f] && f < SK_ARRAY_COUNT(pixelFo
rmatsToTry); ++f) { | 428 for (int f = 0; -1 != pixelFormatsToTry[f] && f < SK_ARRAY_COUNT(pixelFo
rmatsToTry); ++f) { |
429 HPBUFFER pbuf = extensions.createPbuffer(parentDC, pixelFormatsToTry
[f], 1, 1, NULL); | 429 HPBUFFER pbuf = extensions.createPbuffer(parentDC, pixelFormatsToTry
[f], 1, 1, NULL); |
430 if (0 != pbuf) { | 430 if (0 != pbuf) { |
431 HDC dc = extensions.getPbufferDC(pbuf); | 431 HDC dc = extensions.getPbufferDC(pbuf); |
432 if (NULL != dc) { | 432 if (dc) { |
433 HGLRC glrc = create_gl_context(dc, extensions, contextType); | 433 HGLRC glrc = create_gl_context(dc, extensions, contextType); |
434 if (NULL != glrc) { | 434 if (glrc) { |
435 return SkNEW_ARGS(SkWGLPbufferContext, (pbuf, dc, glrc))
; | 435 return SkNEW_ARGS(SkWGLPbufferContext, (pbuf, dc, glrc))
; |
436 } | 436 } |
437 extensions.releasePbufferDC(pbuf, dc); | 437 extensions.releasePbufferDC(pbuf, dc); |
438 } | 438 } |
439 extensions.destroyPbuffer(pbuf); | 439 extensions.destroyPbuffer(pbuf); |
440 } | 440 } |
441 } | 441 } |
442 } | 442 } |
443 return NULL; | 443 return NULL; |
444 } | 444 } |
445 | 445 |
446 SkWGLPbufferContext::~SkWGLPbufferContext() { | 446 SkWGLPbufferContext::~SkWGLPbufferContext() { |
447 SkASSERT(fExtensions.hasExtension(fDC, "WGL_ARB_pbuffer")); | 447 SkASSERT(fExtensions.hasExtension(fDC, "WGL_ARB_pbuffer")); |
448 wglDeleteContext(fGLRC); | 448 wglDeleteContext(fGLRC); |
449 fExtensions.releasePbufferDC(fPbuffer, fDC); | 449 fExtensions.releasePbufferDC(fPbuffer, fDC); |
450 fExtensions.destroyPbuffer(fPbuffer); | 450 fExtensions.destroyPbuffer(fPbuffer); |
451 } | 451 } |
452 | 452 |
453 SkWGLPbufferContext::SkWGLPbufferContext(HPBUFFER pbuffer, HDC dc, HGLRC glrc) | 453 SkWGLPbufferContext::SkWGLPbufferContext(HPBUFFER pbuffer, HDC dc, HGLRC glrc) |
454 : fPbuffer(pbuffer) | 454 : fPbuffer(pbuffer) |
455 , fDC(dc) | 455 , fDC(dc) |
456 , fGLRC(glrc) { | 456 , fGLRC(glrc) { |
457 } | 457 } |
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