| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Display.cpp: Implements the egl::Display class, representing the abstract |
| // display on which graphics are drawn. Implements EGLDisplay. |
| // [EGL 1.4] section 2.1.2 page 3. |
| |
| #include "Display.h" |
| |
| #include "main.h" |
| #include "libEGL/Surface.hpp" |
| #include "libEGL/Context.hpp" |
| #include "common/Image.hpp" |
| #include "common/debug.h" |
| #include "Common/RecursiveLock.hpp" |
| |
| #if defined(__ANDROID__) && !defined(ANDROID_NDK_BUILD) |
| #include <vndk/window.h> |
| #include <sys/ioctl.h> |
| #include <linux/fb.h> |
| #include <fcntl.h> |
| #elif defined(USE_X11) |
| #include "Main/libX11.hpp" |
| #elif defined(__APPLE__) |
| #include "OSXUtils.hpp" |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <IOSurface/IOSurface.h> |
| #endif |
| |
| #include <algorithm> |
| #include <vector> |
| #include <map> |
| |
| namespace egl |
| { |
| |
| class DisplayImplementation : public Display |
| { |
| public: |
| DisplayImplementation(EGLDisplay dpy, void *nativeDisplay) : Display(dpy, nativeDisplay) {} |
| ~DisplayImplementation() override {} |
| |
| Image *getSharedImage(EGLImageKHR name) override |
| { |
| return Display::getSharedImage(name); |
| } |
| }; |
| |
| Display *Display::get(EGLDisplay dpy) |
| { |
| if(dpy != PRIMARY_DISPLAY && dpy != HEADLESS_DISPLAY) // We only support the default display |
| { |
| return nullptr; |
| } |
| |
| static void *nativeDisplay = nullptr; |
| |
| #if defined(USE_X11) |
| // Even if the application provides a native display handle, we open (and close) our own connection |
| if(!nativeDisplay && dpy != HEADLESS_DISPLAY && libX11 && libX11->XOpenDisplay) |
| { |
| nativeDisplay = libX11->XOpenDisplay(NULL); |
| } |
| #endif |
| |
| static DisplayImplementation display(dpy, nativeDisplay); |
| |
| return &display; |
| } |
| |
| Display::Display(EGLDisplay eglDisplay, void *nativeDisplay) : eglDisplay(eglDisplay), nativeDisplay(nativeDisplay) |
| { |
| mMinSwapInterval = 1; |
| mMaxSwapInterval = 1; |
| } |
| |
| Display::~Display() |
| { |
| terminate(); |
| |
| #if defined(USE_X11) |
| if(nativeDisplay && libX11->XCloseDisplay) |
| { |
| libX11->XCloseDisplay((::Display*)nativeDisplay); |
| } |
| #endif |
| } |
| |
| #if !defined(__i386__) && defined(_M_IX86) |
| #define __i386__ 1 |
| #endif |
| |
| #if !defined(__x86_64__) && (defined(_M_AMD64) || defined (_M_X64)) |
| #define __x86_64__ 1 |
| #endif |
| |
| #if defined(__i386__) || defined(__x86_64__) |
| static void cpuid(int registers[4], int info) |
| { |
| #if defined(__i386__) || defined(__x86_64__) |
| #if defined(_WIN32) |
| __cpuid(registers, info); |
| #else |
| __asm volatile("cpuid": "=a" (registers[0]), "=b" (registers[1]), "=c" (registers[2]), "=d" (registers[3]): "a" (info)); |
| #endif |
| #else |
| registers[0] = 0; |
| registers[1] = 0; |
| registers[2] = 0; |
| registers[3] = 0; |
| #endif |
| } |
| |
| static bool detectSSE() |
| { |
| int registers[4]; |
| cpuid(registers, 1); |
| return (registers[3] & 0x02000000) != 0; |
| } |
| #endif |
| |
| bool Display::initialize() |
| { |
| if(isInitialized()) |
| { |
| return true; |
| } |
| |
| #if defined(__i386__) || defined(__x86_64__) |
| if(!detectSSE()) |
| { |
| return false; |
| } |
| #endif |
| |
| mMinSwapInterval = 0; |
| mMaxSwapInterval = 4; |
| |
| const int samples[] = |
| { |
| 0, |
| 2, |
| 4 |
| }; |
| |
| const sw::Format renderTargetFormats[] = |
| { |
| // sw::FORMAT_A1R5G5B5, |
| // sw::FORMAT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value. |
| sw::FORMAT_A8R8G8B8, |
| sw::FORMAT_A8B8G8R8, |
| sw::FORMAT_R5G6B5, |
| // sw::FORMAT_X1R5G5B5, // Has no compatible OpenGL ES renderbuffer format |
| sw::FORMAT_X8R8G8B8, |
| sw::FORMAT_X8B8G8R8 |
| }; |
| |
| const sw::Format depthStencilFormats[] = |
| { |
| sw::FORMAT_NULL, |
| // sw::FORMAT_D16_LOCKABLE, |
| sw::FORMAT_D32, |
| // sw::FORMAT_D15S1, |
| sw::FORMAT_D24S8, |
| sw::FORMAT_D24X8, |
| // sw::FORMAT_D24X4S4, |
| sw::FORMAT_D16, |
| // sw::FORMAT_D32F_LOCKABLE, |
| // sw::FORMAT_D24FS8 |
| }; |
| |
| sw::Format currentDisplayFormat = getDisplayFormat(); |
| ConfigSet configSet; |
| |
| for(unsigned int samplesIndex = 0; samplesIndex < sizeof(samples) / sizeof(int); samplesIndex++) |
| { |
| for(sw::Format renderTargetFormat : renderTargetFormats) |
| { |
| for(sw::Format depthStencilFormat : depthStencilFormats) |
| { |
| configSet.add(currentDisplayFormat, mMinSwapInterval, mMaxSwapInterval, renderTargetFormat, depthStencilFormat, samples[samplesIndex]); |
| } |
| } |
| } |
| |
| // Give the sorted configs a unique ID and store them internally |
| EGLint index = 1; |
| for(ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++) |
| { |
| Config configuration = *config; |
| configuration.mConfigID = index; |
| index++; |
| |
| mConfigSet.mSet.insert(configuration); |
| } |
| |
| if(!isInitialized()) |
| { |
| terminate(); |
| |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void Display::terminate() |
| { |
| while(!mSurfaceSet.empty()) |
| { |
| destroySurface(*mSurfaceSet.begin()); |
| } |
| |
| while(!mContextSet.empty()) |
| { |
| destroyContext(*mContextSet.begin()); |
| } |
| |
| while(!mSharedImageNameSpace.empty()) |
| { |
| destroySharedImage(reinterpret_cast<EGLImageKHR>((intptr_t)mSharedImageNameSpace.firstName())); |
| } |
| } |
| |
| bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig) |
| { |
| return mConfigSet.getConfigs(configs, attribList, configSize, numConfig); |
| } |
| |
| bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value) |
| { |
| const egl::Config *configuration = mConfigSet.get(config); |
| |
| switch(attribute) |
| { |
| case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break; |
| case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break; |
| case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break; |
| case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break; |
| case EGL_RED_SIZE: *value = configuration->mRedSize; break; |
| case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break; |
| case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break; |
| case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break; |
| case EGL_CONFIG_ID: *value = configuration->mConfigID; break; |
| case EGL_LEVEL: *value = configuration->mLevel; break; |
| case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break; |
| case EGL_NATIVE_VISUAL_ID: *value = configuration->mNativeVisualID; break; |
| case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break; |
| case EGL_SAMPLES: *value = configuration->mSamples; break; |
| case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break; |
| case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break; |
| case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break; |
| case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break; |
| case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break; |
| case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break; |
| case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break; |
| case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break; |
| case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break; |
| case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break; |
| case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break; |
| case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break; |
| case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break; |
| case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break; |
| case EGL_MATCH_NATIVE_PIXMAP: *value = EGL_FALSE; UNIMPLEMENTED(); break; |
| case EGL_CONFORMANT: *value = configuration->mConformant; break; |
| case EGL_MAX_PBUFFER_WIDTH: *value = configuration->mMaxPBufferWidth; break; |
| case EGL_MAX_PBUFFER_HEIGHT: *value = configuration->mMaxPBufferHeight; break; |
| case EGL_MAX_PBUFFER_PIXELS: *value = configuration->mMaxPBufferPixels; break; |
| case EGL_RECORDABLE_ANDROID: *value = configuration->mRecordableAndroid; break; |
| case EGL_FRAMEBUFFER_TARGET_ANDROID: *value = configuration->mFramebufferTargetAndroid; break; |
| case EGL_BIND_TO_TEXTURE_TARGET_ANGLE: *value = configuration->mBindToTextureTargetANGLE; break; |
| default: |
| return false; |
| } |
| |
| return true; |
| } |
| |
| EGLSurface Display::createWindowSurface(EGLNativeWindowType window, EGLConfig config, const EGLAttrib *attribList) |
| { |
| const Config *configuration = mConfigSet.get(config); |
| |
| if(attribList) |
| { |
| while(*attribList != EGL_NONE) |
| { |
| switch(attribList[0]) |
| { |
| case EGL_RENDER_BUFFER: |
| switch(attribList[1]) |
| { |
| case EGL_BACK_BUFFER: |
| break; |
| case EGL_SINGLE_BUFFER: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); // Rendering directly to front buffer not supported |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_VG_COLORSPACE: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| case EGL_VG_ALPHA_FORMAT: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| attribList += 2; |
| } |
| } |
| |
| if(hasExistingWindowSurface(window)) |
| { |
| return error(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| } |
| |
| Surface *surface = new WindowSurface(this, configuration, window); |
| |
| if(!surface->initialize()) |
| { |
| surface->release(); |
| return EGL_NO_SURFACE; |
| } |
| |
| surface->addRef(); |
| mSurfaceSet.insert(surface); |
| |
| return success(surface); |
| } |
| |
| EGLSurface Display::createPBufferSurface(EGLConfig config, const EGLint *attribList, EGLClientBuffer clientBuffer) |
| { |
| EGLint width = -1, height = -1, ioSurfacePlane = -1; |
| EGLenum textureFormat = EGL_NO_TEXTURE; |
| EGLenum textureTarget = EGL_NO_TEXTURE; |
| EGLenum clientBufferFormat = EGL_NO_TEXTURE; |
| EGLenum clientBufferType = EGL_NO_TEXTURE; |
| EGLBoolean largestPBuffer = EGL_FALSE; |
| const Config *configuration = mConfigSet.get(config); |
| |
| if(attribList) |
| { |
| while(*attribList != EGL_NONE) |
| { |
| switch(attribList[0]) |
| { |
| case EGL_WIDTH: |
| width = attribList[1]; |
| break; |
| case EGL_HEIGHT: |
| height = attribList[1]; |
| break; |
| case EGL_LARGEST_PBUFFER: |
| largestPBuffer = attribList[1]; |
| break; |
| case EGL_TEXTURE_FORMAT: |
| switch(attribList[1]) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_RGB: |
| case EGL_TEXTURE_RGBA: |
| textureFormat = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_TEXTURE_INTERNAL_FORMAT_ANGLE: |
| switch(attribList[1]) |
| { |
| case GL_RED: |
| case GL_R16UI: |
| case GL_RG: |
| case GL_RGB: |
| case GL_BGRA_EXT: |
| case GL_RGBA: |
| clientBufferFormat = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_TEXTURE_TYPE_ANGLE: |
| switch(attribList[1]) |
| { |
| case GL_UNSIGNED_BYTE: |
| case GL_UNSIGNED_SHORT: |
| case GL_HALF_FLOAT_OES: |
| case GL_HALF_FLOAT: |
| clientBufferType = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_IOSURFACE_PLANE_ANGLE: |
| if(attribList[1] < 0) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| ioSurfacePlane = attribList[1]; |
| break; |
| case EGL_TEXTURE_TARGET: |
| switch(attribList[1]) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_2D: |
| case EGL_TEXTURE_RECTANGLE_ANGLE: |
| textureTarget = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_MIPMAP_TEXTURE: |
| if(attribList[1] != EGL_FALSE) |
| { |
| UNIMPLEMENTED(); |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_VG_COLORSPACE: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| case EGL_VG_ALPHA_FORMAT: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| attribList += 2; |
| } |
| } |
| |
| if(width < 0 || height < 0) |
| { |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| |
| if(width == 0 || height == 0) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| if((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) || |
| (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE)) |
| { |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| |
| if(!(configuration->mSurfaceType & EGL_PBUFFER_BIT)) |
| { |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| |
| if(clientBuffer) |
| { |
| switch(clientBufferType) |
| { |
| case GL_UNSIGNED_BYTE: |
| switch(clientBufferFormat) |
| { |
| case GL_RED: |
| case GL_RG: |
| case GL_RGB: |
| case GL_BGRA_EXT: |
| break; |
| case GL_R16UI: |
| case GL_RGBA: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| break; |
| case GL_UNSIGNED_SHORT: |
| switch(clientBufferFormat) |
| { |
| case GL_R16UI: |
| break; |
| case GL_RED: |
| case GL_RG: |
| case GL_BGRA_EXT: |
| case GL_RGBA: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| break; |
| case GL_HALF_FLOAT_OES: |
| case GL_HALF_FLOAT: |
| switch(clientBufferFormat) |
| { |
| case GL_RGBA: |
| break; |
| case GL_RED: |
| case GL_R16UI: |
| case GL_RG: |
| case GL_BGRA_EXT: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| break; |
| default: |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| |
| if(ioSurfacePlane < 0) |
| { |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| |
| if(textureFormat != EGL_TEXTURE_RGBA) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| if(textureTarget != EGL_TEXTURE_RECTANGLE_ANGLE) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| #if defined(__APPLE__) |
| IOSurfaceRef ioSurface = reinterpret_cast<IOSurfaceRef>(clientBuffer); |
| size_t planeCount = IOSurfaceGetPlaneCount(ioSurface); |
| if((static_cast<size_t>(width) > IOSurfaceGetWidthOfPlane(ioSurface, ioSurfacePlane)) || |
| (static_cast<size_t>(height) > IOSurfaceGetHeightOfPlane(ioSurface, ioSurfacePlane)) || |
| ((planeCount != 0) && static_cast<size_t>(ioSurfacePlane) >= planeCount)) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| #endif |
| } |
| else |
| { |
| if((textureFormat == EGL_TEXTURE_RGB && configuration->mBindToTextureRGB != EGL_TRUE) || |
| ((textureFormat == EGL_TEXTURE_RGBA && configuration->mBindToTextureRGBA != EGL_TRUE))) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| } |
| |
| Surface *surface = new PBufferSurface(this, configuration, width, height, textureFormat, textureTarget, clientBufferFormat, clientBufferType, largestPBuffer, clientBuffer, ioSurfacePlane); |
| |
| if(!surface->initialize()) |
| { |
| surface->release(); |
| return EGL_NO_SURFACE; |
| } |
| |
| surface->addRef(); |
| mSurfaceSet.insert(surface); |
| |
| return success(surface); |
| } |
| |
| EGLContext Display::createContext(EGLConfig configHandle, const egl::Context *shareContext, EGLint clientVersion) |
| { |
| const egl::Config *config = mConfigSet.get(configHandle); |
| egl::Context *context = nullptr; |
| |
| if(clientVersion == 1 && config->mRenderableType & EGL_OPENGL_ES_BIT) |
| { |
| if(libGLES_CM) |
| { |
| context = libGLES_CM->es1CreateContext(this, shareContext, config); |
| } |
| } |
| else if((clientVersion == 2 && config->mRenderableType & EGL_OPENGL_ES2_BIT) || |
| (clientVersion == 3 && config->mRenderableType & EGL_OPENGL_ES3_BIT)) |
| { |
| if(libGLESv2) |
| { |
| context = libGLESv2->es2CreateContext(this, shareContext, config); |
| } |
| } |
| else |
| { |
| return error(EGL_BAD_CONFIG, EGL_NO_CONTEXT); |
| } |
| |
| if(!context) |
| { |
| return error(EGL_BAD_ALLOC, EGL_NO_CONTEXT); |
| } |
| |
| context->addRef(); |
| mContextSet.insert(context); |
| |
| return success(context); |
| } |
| |
| EGLSyncKHR Display::createSync(Context *context) |
| { |
| FenceSync *fenceSync = new egl::FenceSync(context); |
| mSyncSet.insert(fenceSync); |
| return fenceSync; |
| } |
| |
| void Display::destroySurface(egl::Surface *surface) |
| { |
| surface->release(); |
| mSurfaceSet.erase(surface); |
| |
| if(surface == getCurrentDrawSurface()) |
| { |
| setCurrentDrawSurface(nullptr); |
| } |
| |
| if(surface == getCurrentReadSurface()) |
| { |
| setCurrentReadSurface(nullptr); |
| } |
| } |
| |
| void Display::destroyContext(egl::Context *context) |
| { |
| context->release(); |
| mContextSet.erase(context); |
| |
| if(context == getCurrentContext()) |
| { |
| setCurrentContext(nullptr); |
| setCurrentDrawSurface(nullptr); |
| setCurrentReadSurface(nullptr); |
| } |
| } |
| |
| void Display::destroySync(FenceSync *sync) |
| { |
| { |
| mSyncSet.erase(sync); |
| } |
| delete sync; |
| } |
| |
| bool Display::isInitialized() const |
| { |
| return mConfigSet.size() > 0; |
| } |
| |
| bool Display::isValidConfig(EGLConfig config) |
| { |
| return mConfigSet.get(config) != nullptr; |
| } |
| |
| bool Display::isValidContext(egl::Context *context) |
| { |
| return mContextSet.find(context) != mContextSet.end(); |
| } |
| |
| bool Display::isValidSurface(egl::Surface *surface) |
| { |
| return mSurfaceSet.find(surface) != mSurfaceSet.end(); |
| } |
| |
| bool Display::isValidWindow(EGLNativeWindowType window) |
| { |
| #if defined(_WIN32) |
| return IsWindow(window) == TRUE; |
| #elif defined(__ANDROID__) |
| if(!window) |
| { |
| ERR("%s called with window==NULL %s:%d", __FUNCTION__, __FILE__, __LINE__); |
| return false; |
| } |
| return true; |
| #elif defined(USE_X11) |
| if(nativeDisplay) |
| { |
| XWindowAttributes windowAttributes; |
| Status status = libX11->XGetWindowAttributes((::Display*)nativeDisplay, window, &windowAttributes); |
| |
| return status != 0; |
| } |
| return false; |
| #elif defined(__linux__) |
| return false; // Non X11 linux is headless only |
| #elif defined(__APPLE__) |
| return sw::OSX::IsValidWindow(window); |
| #elif defined(__Fuchsia__) |
| // TODO(crbug.com/800951): Integrate with Mozart. |
| return true; |
| #else |
| #error "Display::isValidWindow unimplemented for this platform" |
| return false; |
| #endif |
| } |
| |
| bool Display::hasExistingWindowSurface(EGLNativeWindowType window) |
| { |
| for(const auto &surface : mSurfaceSet) |
| { |
| if(surface->isWindowSurface()) |
| { |
| if(surface->getWindowHandle() == window) |
| { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| bool Display::isValidSync(FenceSync *sync) |
| { |
| return mSyncSet.find(sync) != mSyncSet.end(); |
| } |
| |
| EGLint Display::getMinSwapInterval() const |
| { |
| return mMinSwapInterval; |
| } |
| |
| EGLint Display::getMaxSwapInterval() const |
| { |
| return mMaxSwapInterval; |
| } |
| |
| EGLDisplay Display::getEGLDisplay() const |
| { |
| return eglDisplay; |
| } |
| |
| void *Display::getNativeDisplay() const |
| { |
| return nativeDisplay; |
| } |
| |
| EGLImageKHR Display::createSharedImage(Image *image) |
| { |
| return reinterpret_cast<EGLImageKHR>((intptr_t)mSharedImageNameSpace.allocate(image)); |
| } |
| |
| bool Display::destroySharedImage(EGLImageKHR image) |
| { |
| GLuint name = (GLuint)reinterpret_cast<intptr_t>(image); |
| Image *eglImage = mSharedImageNameSpace.find(name); |
| |
| if(!eglImage) |
| { |
| return false; |
| } |
| |
| eglImage->destroyShared(); |
| mSharedImageNameSpace.remove(name); |
| |
| return true; |
| } |
| |
| Image *Display::getSharedImage(EGLImageKHR image) |
| { |
| GLuint name = (GLuint)reinterpret_cast<intptr_t>(image); |
| return mSharedImageNameSpace.find(name); |
| } |
| |
| sw::Format Display::getDisplayFormat() const |
| { |
| #if defined(_WIN32) |
| HDC deviceContext = GetDC(0); |
| unsigned int bpp = ::GetDeviceCaps(deviceContext, BITSPIXEL); |
| ReleaseDC(0, deviceContext); |
| |
| switch(bpp) |
| { |
| case 32: return sw::FORMAT_X8R8G8B8; |
| case 24: return sw::FORMAT_R8G8B8; |
| case 16: return sw::FORMAT_R5G6B5; |
| default: UNREACHABLE(bpp); // Unexpected display mode color depth |
| } |
| #elif defined(__ANDROID__) |
| #if !defined(ANDROID_NDK_BUILD) |
| static const char *const framebuffer[] = |
| { |
| "/dev/graphics/fb0", |
| "/dev/fb0", |
| 0 |
| }; |
| |
| for(int i = 0; framebuffer[i]; i++) |
| { |
| int fd = open(framebuffer[i], O_RDONLY, 0); |
| |
| if(fd != -1) |
| { |
| struct fb_var_screeninfo info; |
| int io = ioctl(fd, FBIOGET_VSCREENINFO, &info); |
| close(fd); |
| |
| if(io >= 0) |
| { |
| switch(info.bits_per_pixel) |
| { |
| case 16: |
| return sw::FORMAT_R5G6B5; |
| case 32: |
| if(info.red.length == 8 && info.red.offset == 16 && |
| info.green.length == 8 && info.green.offset == 8 && |
| info.blue.length == 8 && info.blue.offset == 0 && |
| info.transp.length == 0) |
| { |
| return sw::FORMAT_X8R8G8B8; |
| } |
| if(info.red.length == 8 && info.red.offset == 0 && |
| info.green.length == 8 && info.green.offset == 8 && |
| info.blue.length == 8 && info.blue.offset == 16 && |
| info.transp.length == 0) |
| { |
| return sw::FORMAT_X8B8G8R8; |
| } |
| if(info.red.length == 8 && info.red.offset == 16 && |
| info.green.length == 8 && info.green.offset == 8 && |
| info.blue.length == 8 && info.blue.offset == 0 && |
| info.transp.length == 8 && info.transp.offset == 24) |
| { |
| return sw::FORMAT_A8R8G8B8; |
| } |
| if(info.red.length == 8 && info.red.offset == 0 && |
| info.green.length == 8 && info.green.offset == 8 && |
| info.blue.length == 8 && info.blue.offset == 16 && |
| info.transp.length == 8 && info.transp.offset == 24) |
| { |
| return sw::FORMAT_A8B8G8R8; |
| } |
| else UNIMPLEMENTED(); |
| default: |
| UNIMPLEMENTED(); |
| } |
| } |
| } |
| } |
| #endif // !defined_ANDROID_NDK_BUILD) |
| |
| // No framebuffer device found, or we're in user space |
| return sw::FORMAT_X8B8G8R8; |
| #elif defined(USE_X11) |
| if(nativeDisplay) |
| { |
| Screen *screen = libX11->XDefaultScreenOfDisplay((::Display*)nativeDisplay); |
| unsigned int bpp = libX11->XPlanesOfScreen(screen); |
| |
| switch(bpp) |
| { |
| case 32: return sw::FORMAT_X8R8G8B8; |
| case 24: return sw::FORMAT_R8G8B8; |
| case 16: return sw::FORMAT_R5G6B5; |
| default: UNREACHABLE(bpp); // Unexpected display mode color depth |
| } |
| } |
| else |
| { |
| return sw::FORMAT_X8R8G8B8; |
| } |
| #elif defined(__linux__) // Non X11 linux is headless only |
| return sw::FORMAT_A8B8G8R8; |
| #elif defined(__APPLE__) |
| return sw::FORMAT_A8B8G8R8; |
| #elif defined(__Fuchsia__) |
| return sw::FORMAT_A8B8G8R8; |
| #else |
| #error "Display::isValidWindow unimplemented for this platform" |
| #endif |
| |
| return sw::FORMAT_X8R8G8B8; |
| } |
| |
| } |