| djsollen | e454521 | 2014-11-13 11:12:41 -0800 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2014 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
| 9 | #include "GrContextFactory.h" |
| 10 | |
| 11 | #if SK_ANGLE |
| 12 | #include "gl/angle/SkANGLEGLContext.h" |
| 13 | #endif |
| 14 | #include "gl/debug/SkDebugGLContext.h" |
| 15 | #if SK_MESA |
| 16 | #include "gl/mesa/SkMesaGLContext.h" |
| 17 | #endif |
| 18 | #include "gl/SkGLContext.h" |
| 19 | #include "gl/SkNullGLContext.h" |
| 20 | |
| 21 | |
| 22 | GrContext* GrContextFactory::get(GLContextType type, GrGLStandard forcedGpuAPI) { |
| 23 | for (int i = 0; i < fContexts.count(); ++i) { |
| 24 | if (forcedGpuAPI != kNone_GrGLStandard && |
| 25 | forcedGpuAPI != fContexts[i].fGLContext->gl()->fStandard) |
| 26 | continue; |
| 27 | |
| 28 | if (fContexts[i].fType == type) { |
| 29 | fContexts[i].fGLContext->makeCurrent(); |
| 30 | return fContexts[i].fGrContext; |
| 31 | } |
| 32 | } |
| 33 | SkAutoTUnref<SkGLContext> glCtx; |
| 34 | SkAutoTUnref<GrContext> grCtx; |
| 35 | switch (type) { |
| 36 | case kNVPR_GLContextType: // fallthru |
| 37 | case kNative_GLContextType: |
| 38 | glCtx.reset(SkCreatePlatformGLContext(forcedGpuAPI)); |
| 39 | break; |
| 40 | #ifdef SK_ANGLE |
| 41 | case kANGLE_GLContextType: |
| 42 | glCtx.reset(SkANGLEGLContext::Create(forcedGpuAPI)); |
| 43 | break; |
| 44 | #endif |
| 45 | #ifdef SK_MESA |
| 46 | case kMESA_GLContextType: |
| 47 | glCtx.reset(SkMesaGLContext::Create(forcedGpuAPI)); |
| 48 | break; |
| 49 | #endif |
| 50 | case kNull_GLContextType: |
| 51 | glCtx.reset(SkNullGLContext::Create(forcedGpuAPI)); |
| 52 | break; |
| 53 | case kDebug_GLContextType: |
| 54 | glCtx.reset(SkDebugGLContext::Create(forcedGpuAPI)); |
| 55 | break; |
| 56 | } |
| 57 | if (NULL == glCtx.get()) { |
| 58 | return NULL; |
| 59 | } |
| 60 | |
| 61 | SkASSERT(glCtx->isValid()); |
| 62 | |
| 63 | // Ensure NVPR is available for the NVPR type and block it from other types. |
| 64 | SkAutoTUnref<const GrGLInterface> glInterface(SkRef(glCtx->gl())); |
| 65 | if (kNVPR_GLContextType == type) { |
| 66 | if (!glInterface->hasExtension("GL_NV_path_rendering")) { |
| 67 | return NULL; |
| 68 | } |
| 69 | } else { |
| 70 | glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface)); |
| 71 | if (!glInterface) { |
| 72 | return NULL; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | glCtx->makeCurrent(); |
| 77 | GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glInterface.get()); |
| 78 | grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx, &fGlobalOptions)); |
| 79 | if (!grCtx.get()) { |
| 80 | return NULL; |
| 81 | } |
| 82 | GPUContext& ctx = fContexts.push_back(); |
| 83 | ctx.fGLContext = glCtx.get(); |
| 84 | ctx.fGLContext->ref(); |
| 85 | ctx.fGrContext = grCtx.get(); |
| 86 | ctx.fGrContext->ref(); |
| 87 | ctx.fType = type; |
| 88 | return ctx.fGrContext; |
| 89 | } |