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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2016 Google Inc. | 3 * Copyright 2016 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 <GLES/gl.h> | 9 #include <GLES/gl.h> |
10 | 10 |
11 #include "GLWindowContext_android.h" | 11 #include "WindowContextFactory_android.h" |
| 12 #include "../GLWindowContext.h" |
| 13 #include <EGL/egl.h> |
12 | 14 |
13 #include <android/native_window_jni.h> | 15 using sk_app::GLWindowContext; |
| 16 using sk_app::DisplayParams; |
14 | 17 |
15 namespace sk_app { | 18 namespace { |
| 19 class GLWindowContext_android : public GLWindowContext { |
| 20 public: |
16 | 21 |
17 // Most of the following 3 functions (GLWindowContext::Create, constructor, desc
tructor) | 22 GLWindowContext_android(ANativeWindow*, const DisplayParams&); |
18 // are copied from Unix/Win platform with unix/win changed to android | |
19 | 23 |
20 // platform-dependent create | 24 ~GLWindowContext_android() override; |
21 GLWindowContext* GLWindowContext::Create(void* platformData, const DisplayParams
& params) { | |
22 GLWindowContext_android* ctx = new GLWindowContext_android(platformData, par
ams); | |
23 if (!ctx->isValid()) { | |
24 delete ctx; | |
25 return nullptr; | |
26 } | |
27 return ctx; | |
28 } | |
29 | 25 |
30 GLWindowContext_android::GLWindowContext_android(void* platformData, const Displ
ayParams& params) | 26 void onSwapBuffers() override; |
31 : GLWindowContext(platformData, params) | 27 |
| 28 void onInitializeContext() override; |
| 29 void onDestroyContext() override; |
| 30 |
| 31 private: |
| 32 |
| 33 EGLDisplay fDisplay; |
| 34 EGLContext fEGLContext; |
| 35 EGLSurface fSurface; |
| 36 |
| 37 // For setDisplayParams and resize which call onInitializeContext with null
platformData |
| 38 ANativeWindow* fNativeWindow = nullptr; |
| 39 }; |
| 40 |
| 41 GLWindowContext_android::GLWindowContext_android(ANativeWindow* window, const Di
splayParams& params) |
| 42 : GLWindowContext(params) |
32 , fDisplay(EGL_NO_DISPLAY) | 43 , fDisplay(EGL_NO_DISPLAY) |
33 , fEGLContext(EGL_NO_CONTEXT) | 44 , fEGLContext(EGL_NO_CONTEXT) |
34 , fSurface(EGL_NO_SURFACE) { | 45 , fSurface(EGL_NO_SURFACE) |
| 46 , fNativeWindow(window) { |
35 | 47 |
36 // any config code here (particularly for msaa)? | 48 // any config code here (particularly for msaa)? |
37 | 49 |
38 this->initializeContext(platformData, params); | 50 this->initializeContext(); |
39 } | 51 } |
40 | 52 |
41 GLWindowContext_android::~GLWindowContext_android() { | 53 GLWindowContext_android::~GLWindowContext_android() { |
42 this->destroyContext(); | 54 this->destroyContext(); |
43 } | 55 } |
44 | 56 |
45 void GLWindowContext_android::onInitializeContext(void* platformData, const Disp
layParams& params) { | 57 void GLWindowContext_android::onInitializeContext() { |
46 if (platformData != nullptr) { | |
47 ContextPlatformData_android* androidPlatformData = | |
48 reinterpret_cast<ContextPlatformData_android*>(platformData); | |
49 fNativeWindow = androidPlatformData->fNativeWindow; | |
50 } else { | |
51 SkASSERT(fNativeWindow); | |
52 } | |
53 | |
54 | |
55 fWidth = ANativeWindow_getWidth(fNativeWindow); | 58 fWidth = ANativeWindow_getWidth(fNativeWindow); |
56 fHeight = ANativeWindow_getHeight(fNativeWindow); | 59 fHeight = ANativeWindow_getHeight(fNativeWindow); |
57 | 60 |
58 fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); | 61 fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
59 | 62 |
60 EGLint majorVersion; | 63 EGLint majorVersion; |
61 EGLint minorVersion; | 64 EGLint minorVersion; |
62 eglInitialize(fDisplay, &majorVersion, &minorVersion); | 65 eglInitialize(fDisplay, &majorVersion, &minorVersion); |
63 | 66 |
64 SkAssertResult(eglBindAPI(EGL_OPENGL_ES_API)); | 67 SkAssertResult(eglBindAPI(EGL_OPENGL_ES_API)); |
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93 // These values are the same as the corresponding VG colorspace attributes, | 96 // These values are the same as the corresponding VG colorspace attributes, |
94 // which were accepted starting in EGL 1.2. For some reason in 1.4, sRGB | 97 // which were accepted starting in EGL 1.2. For some reason in 1.4, sRGB |
95 // became hidden behind an extension, but it looks like devices aren't | 98 // became hidden behind an extension, but it looks like devices aren't |
96 // advertising that extension (including Nexus 5X). So just check version? | 99 // advertising that extension (including Nexus 5X). So just check version? |
97 const EGLint srgbWindowAttribs[] = { | 100 const EGLint srgbWindowAttribs[] = { |
98 /*EGL_GL_COLORSPACE_KHR*/ 0x309D, /*EGL_GL_COLORSPACE_SRGB_KHR*/ 0x3089, | 101 /*EGL_GL_COLORSPACE_KHR*/ 0x309D, /*EGL_GL_COLORSPACE_SRGB_KHR*/ 0x3089, |
99 EGL_NONE, | 102 EGL_NONE, |
100 }; | 103 }; |
101 const EGLint* windowAttribs = nullptr; | 104 const EGLint* windowAttribs = nullptr; |
102 auto srgbColorSpace = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named); | 105 auto srgbColorSpace = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named); |
103 if (srgbColorSpace == params.fColorSpace && majorVersion == 1 && minorVersio
n >= 2) { | 106 if (srgbColorSpace == fDisplayParams.fColorSpace && majorVersion == 1 && min
orVersion >= 2) { |
104 windowAttribs = srgbWindowAttribs; | 107 windowAttribs = srgbWindowAttribs; |
105 } | 108 } |
106 | 109 |
107 fSurface = eglCreateWindowSurface(fDisplay, surfaceConfig, fNativeWindow, wi
ndowAttribs); | 110 fSurface = eglCreateWindowSurface(fDisplay, surfaceConfig, fNativeWindow, wi
ndowAttribs); |
108 if (EGL_NO_SURFACE == fSurface && windowAttribs) { | 111 if (EGL_NO_SURFACE == fSurface && windowAttribs) { |
109 // Try again without sRGB | 112 // Try again without sRGB |
110 fSurface = eglCreateWindowSurface(fDisplay, surfaceConfig, fNativeWindow
, nullptr); | 113 fSurface = eglCreateWindowSurface(fDisplay, surfaceConfig, fNativeWindow
, nullptr); |
111 } | 114 } |
112 SkASSERT(EGL_NO_SURFACE != fSurface); | 115 SkASSERT(EGL_NO_SURFACE != fSurface); |
113 | 116 |
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139 fEGLContext = EGL_NO_CONTEXT; | 142 fEGLContext = EGL_NO_CONTEXT; |
140 fSurface = EGL_NO_SURFACE; | 143 fSurface = EGL_NO_SURFACE; |
141 } | 144 } |
142 | 145 |
143 void GLWindowContext_android::onSwapBuffers() { | 146 void GLWindowContext_android::onSwapBuffers() { |
144 if (fDisplay && fEGLContext && fSurface) { | 147 if (fDisplay && fEGLContext && fSurface) { |
145 eglSwapBuffers(fDisplay, fSurface); | 148 eglSwapBuffers(fDisplay, fSurface); |
146 } | 149 } |
147 } | 150 } |
148 | 151 |
| 152 } // anonymous namespace |
| 153 |
| 154 namespace sk_app { |
| 155 namespace window_context_factory { |
| 156 |
| 157 WindowContext* NewGLForAndroid(ANativeWindow* window, const DisplayParams& param
s) { |
| 158 WindowContext* ctx = new GLWindowContext_android(window, params); |
| 159 if (!ctx->isValid()) { |
| 160 delete ctx; |
| 161 return nullptr; |
| 162 } |
| 163 return ctx; |
149 } | 164 } |
| 165 |
| 166 } // namespace window_context_factory |
| 167 } // namespace sk_app |
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