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ANGLE support #1017
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ANGLE support #1017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,283 @@ | ||
| #ifdef SK_ANGLE | ||
|
|
||
| #include <Windows.h> | ||
| #include <dwmapi.h> | ||
| #include <jawt_md.h> | ||
| #include "jni_helpers.h" | ||
| #include "exceptions_handler.h" | ||
| #include "ganesh/GrBackendSurface.h" | ||
| #include "ganesh/GrDirectContext.h" | ||
| #include "ganesh/gl/GrGLBackendSurface.h" | ||
| #include "ganesh/gl/GrGLDirectContext.h" | ||
| #include "SkSurface.h" | ||
| #include <EGL/egl.h> | ||
| #include <EGL/eglext.h> | ||
| #include "ganesh/gl/GrGLAssembleInterface.h" | ||
| #include "ganesh/gl/GrGLDefines.h" | ||
| #include <GL/gl.h> | ||
| #include "window_util.h" | ||
|
|
||
| void throwAngleException(JNIEnv *env, const char * function, const char * msg) { | ||
| char fullMsg[1024]; | ||
| snprintf(fullMsg, sizeof(fullMsg) - 1, "Native exception in [%s], message: %s", function, msg); | ||
|
|
||
| static jclass cls = static_cast<jclass>(env->NewGlobalRef(env->FindClass("org/jetbrains/skiko/redrawer/AngleRedrawerException"))); | ||
| static jmethodID init = env->GetMethodID(cls, "<init>", "(Ljava/lang/String;)V"); | ||
|
|
||
| jthrowable throwable = (jthrowable) env->NewObject(cls, init, env->NewStringUTF(fullMsg)); | ||
| env->Throw(throwable); | ||
| } | ||
|
|
||
| class AngleDevice | ||
| { | ||
| public: | ||
| HWND window; | ||
| HDC device; | ||
| EGLDisplay display = EGL_NO_DISPLAY; | ||
| EGLContext context = EGL_NO_CONTEXT; | ||
| EGLSurface surface = EGL_NO_SURFACE; | ||
| EGLConfig surfaceConfig; | ||
| sk_sp<const GrGLInterface> backendContext; | ||
| ~AngleDevice() | ||
| { | ||
| backendContext.reset(nullptr); | ||
| if (EGL_NO_CONTEXT != context) | ||
| { | ||
| eglDestroyContext(display, context); | ||
| } | ||
| if (EGL_NO_SURFACE != surface) | ||
| { | ||
| eglDestroySurface(display, surface); | ||
| } | ||
| if (EGL_NO_DISPLAY != display) | ||
| { | ||
| eglTerminate(display); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| EGLDisplay getAngleEGLDisplay(HDC hdc) | ||
| { | ||
| PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT; | ||
| eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC) eglGetProcAddress("eglGetPlatformDisplayEXT"); | ||
| // We expect ANGLE to support this extension | ||
| if (!eglGetPlatformDisplayEXT) | ||
| { | ||
| return EGL_NO_DISPLAY; | ||
| } | ||
| static constexpr EGLint attribs[] = { | ||
| // We currently only support D3D11 ANGLE. | ||
| EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, | ||
| EGL_NONE, EGL_NONE | ||
| }; | ||
| return eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, hdc, attribs); | ||
| } | ||
|
|
||
| bool initAngleSurface(JNIEnv *env, AngleDevice *angleDevice, EGLint width, EGLint height) | ||
| { | ||
| const EGLint surfaceAttribs[] = { | ||
| EGL_FIXED_SIZE_ANGLE, EGL_TRUE, | ||
| EGL_WIDTH, width, | ||
| EGL_HEIGHT, height, | ||
| EGL_NONE, EGL_NONE | ||
| }; | ||
| if (EGL_NO_SURFACE != angleDevice->surface) | ||
| { | ||
| eglDestroySurface(angleDevice->display, angleDevice->surface); | ||
| } | ||
| angleDevice->surface = eglCreateWindowSurface(angleDevice->display, angleDevice->surfaceConfig, angleDevice->window, surfaceAttribs); | ||
| if (EGL_NO_SURFACE == angleDevice->surface) | ||
| { | ||
| return false; | ||
| } | ||
| if (!eglMakeCurrent(angleDevice->display, angleDevice->surface, angleDevice->surface, angleDevice->context)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not make context current!"); | ||
| return false; | ||
| } | ||
| // For vsync we will use dwmFlush instead of swapInterval, see WindowsOpenGLRedrawer.kt | ||
| eglSwapInterval(angleDevice->display, 0); | ||
| return true; | ||
| } | ||
|
|
||
| extern "C" | ||
| { | ||
| JNIEXPORT jlong JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_createAngleDevice( | ||
| JNIEnv *env, jobject redrawer, jlong platformInfoPtr, jboolean transparency) | ||
| { | ||
| __try | ||
| { | ||
| JAWT_Win32DrawingSurfaceInfo *dsi_win = fromJavaPointer<JAWT_Win32DrawingSurfaceInfo *>(platformInfoPtr); | ||
| HWND hwnd = dsi_win->hwnd; | ||
| HDC hdc = GetDC(hwnd); | ||
|
|
||
| if (transparency) | ||
| { | ||
| enableTransparentWindow(hwnd); | ||
| } | ||
|
|
||
| AngleDevice *angleDevice = new AngleDevice(); | ||
| angleDevice->window = hwnd; | ||
| angleDevice->device = hdc; | ||
| angleDevice->display = getAngleEGLDisplay(angleDevice->device); | ||
| if (EGL_NO_DISPLAY == angleDevice->display) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not get display!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| EGLint majorVersion; | ||
| EGLint minorVersion; | ||
| if (!eglInitialize(angleDevice->display, &majorVersion, &minorVersion)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not initialize display!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| static constexpr int fSampleCount = 1; | ||
| static constexpr int sampleBuffers = fSampleCount > 1 ? 1 : 0; | ||
| static constexpr int eglSampleCnt = fSampleCount > 1 ? fSampleCount : 0; | ||
| static constexpr EGLint configAttribs[] = { | ||
| // We currently only support ES3. | ||
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT, | ||
| EGL_RED_SIZE, 8, | ||
| EGL_GREEN_SIZE, 8, | ||
| EGL_BLUE_SIZE, 8, | ||
| EGL_ALPHA_SIZE, 8, | ||
| EGL_SAMPLE_BUFFERS, sampleBuffers, | ||
| EGL_SAMPLES, eglSampleCnt, | ||
| EGL_NONE, EGL_NONE | ||
| }; | ||
|
|
||
| EGLint numConfigs; | ||
| if (!eglChooseConfig(angleDevice->display, configAttribs, &angleDevice->surfaceConfig, 1, &numConfigs)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not create choose config!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| // We currently only support ES3. | ||
| static constexpr EGLint contextAttribs[] = { | ||
| EGL_CONTEXT_MAJOR_VERSION, 3, | ||
| EGL_CONTEXT_MINOR_VERSION, 0, | ||
| EGL_NONE, EGL_NONE | ||
| }; | ||
| angleDevice->context = eglCreateContext(angleDevice->display, angleDevice->surfaceConfig, nullptr, contextAttribs); | ||
| if (EGL_NO_CONTEXT == angleDevice->context) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not create context!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| // initial surface | ||
| if (!initAngleSurface(env, angleDevice, 0, 0)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not create surface!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| sk_sp<const GrGLInterface> glInterface(GrGLMakeAssembledInterface( | ||
| nullptr, | ||
| [](void *ctx, const char name[]) -> GrGLFuncPtr { return eglGetProcAddress(name); })); | ||
|
|
||
| angleDevice->backendContext = glInterface; | ||
|
|
||
| return toJavaPointer(angleDevice); | ||
| } | ||
| __except(EXCEPTION_EXECUTE_HANDLER) | ||
| { | ||
| auto code = GetExceptionCode(); | ||
| throwJavaRenderExceptionByExceptionCode(env, __FUNCTION__, code); | ||
| } | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| JNIEXPORT void JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_makeCurrent( | ||
| JNIEnv *env, jobject redrawer, jlong devicePtr) | ||
| { | ||
| AngleDevice *angleDevice = fromJavaPointer<AngleDevice *>(devicePtr); | ||
| if (!eglMakeCurrent(angleDevice->display, angleDevice->surface, angleDevice->surface, angleDevice->context)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not make context current!"); | ||
| } | ||
| } | ||
|
|
||
| JNIEXPORT jlong JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_makeAngleContext( | ||
| JNIEnv *env, jobject redrawer, jlong devicePtr) | ||
| { | ||
| AngleDevice *angleDevice = fromJavaPointer<AngleDevice *>(devicePtr); | ||
| sk_sp<const GrGLInterface> backendContext = angleDevice->backendContext; | ||
| return toJavaPointer(GrDirectContexts::MakeGL(backendContext).release()); | ||
| } | ||
|
|
||
| JNIEXPORT jlong JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_makeAngleRenderTarget( | ||
| JNIEnv *env, jobject redrawer, jlong devicePtr, jint width, jint height) | ||
| { | ||
| __try | ||
| { | ||
| AngleDevice *angleDevice = fromJavaPointer<AngleDevice *>(devicePtr); | ||
|
|
||
| if (!initAngleSurface(env, angleDevice, width, height)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not create surface!"); | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| angleDevice->backendContext->fFunctions.fViewport(0, 0, width, height); | ||
|
|
||
| GrGLint buffer; | ||
| angleDevice->backendContext->fFunctions.fGetIntegerv(GR_GL_FRAMEBUFFER_BINDING, &buffer); | ||
|
|
||
| GrGLFramebufferInfo glInfo = { static_cast<unsigned int>(buffer), GR_GL_RGBA8 }; | ||
| GrBackendRenderTarget renderTarget = GrBackendRenderTargets::MakeGL(width, | ||
| height, | ||
| 0, | ||
| 8, | ||
| glInfo); | ||
| GrBackendRenderTarget *pRenderTarget = new GrBackendRenderTarget(renderTarget); | ||
|
|
||
| return toJavaPointer(pRenderTarget); | ||
| } | ||
| __except(EXCEPTION_EXECUTE_HANDLER) | ||
| { | ||
| auto code = GetExceptionCode(); | ||
| throwJavaRenderExceptionByExceptionCode(env, __FUNCTION__, code); | ||
| } | ||
| return (jlong) 0; | ||
| } | ||
|
|
||
| JNIEXPORT void JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_finishFrame( | ||
| JNIEnv *env, jobject redrawer, jlong devicePtr) | ||
| { | ||
| __try | ||
| { | ||
| AngleDevice *angleDevice = fromJavaPointer<AngleDevice *>(devicePtr); | ||
| if (!eglSwapBuffers(angleDevice->display, angleDevice->surface)) | ||
| { | ||
| throwAngleException(env, __FUNCTION__, "Could not complete eglSwapBuffers."); | ||
| } | ||
| angleDevice->backendContext->fFunctions.fFinish(); | ||
| } | ||
| __except(EXCEPTION_EXECUTE_HANDLER) | ||
| { | ||
| auto code = GetExceptionCode(); | ||
| throwJavaRenderExceptionByExceptionCode(env, __FUNCTION__, code); | ||
| } | ||
| } | ||
|
|
||
| JNIEXPORT void JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_dwmFlush( | ||
| JNIEnv *env, jobject redrawer) | ||
| { | ||
| DwmFlush(); | ||
| } | ||
|
|
||
| JNIEXPORT void JNICALL Java_org_jetbrains_skiko_redrawer_AngleRedrawerKt_disposeDevice( | ||
| JNIEnv *env, jobject redrawer, jlong devicePtr) | ||
| { | ||
| AngleDevice *angleDevice = fromJavaPointer<AngleDevice *>(devicePtr); | ||
| eglMakeCurrent(angleDevice->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); | ||
| delete angleDevice; | ||
| } | ||
| } // end extern C | ||
|
|
||
| #endif | ||
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We should test how if FPS always equals refresh rate when we move a window from one display to another with different refresh rate (after removing dwmFlush)