1 // 2 // Copyright 2014 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // DisplayImpl.h: Implementation methods of egl::Display 8 9 #ifndef LIBANGLE_RENDERER_DISPLAYIMPL_H_ 10 #define LIBANGLE_RENDERER_DISPLAYIMPL_H_ 11 12 #include "common/Optional.h" 13 #include "common/angleutils.h" 14 #include "libANGLE/Caps.h" 15 #include "libANGLE/Config.h" 16 #include "libANGLE/Error.h" 17 #include "libANGLE/Observer.h" 18 #include "libANGLE/Stream.h" 19 #include "libANGLE/Version.h" 20 #include "libANGLE/renderer/EGLImplFactory.h" 21 #include "platform/Feature.h" 22 23 #include <set> 24 #include <vector> 25 26 namespace angle 27 { 28 struct FrontendFeatures; 29 } // namespace angle 30 31 namespace egl 32 { 33 class AttributeMap; 34 class BlobCache; 35 class Display; 36 struct DisplayState; 37 struct Config; 38 class Surface; 39 class ImageSibling; 40 class Thread; 41 } // namespace egl 42 43 namespace gl 44 { 45 class Context; 46 } // namespace gl 47 48 namespace rx 49 { 50 class SurfaceImpl; 51 class ImageImpl; 52 struct ConfigDesc; 53 class DeviceImpl; 54 class StreamProducerImpl; 55 56 class DisplayImpl : public EGLImplFactory, public angle::Subject 57 { 58 public: 59 DisplayImpl(const egl::DisplayState &state); 60 ~DisplayImpl() override; 61 62 virtual egl::Error initialize(egl::Display *display) = 0; 63 virtual void terminate() = 0; 64 virtual egl::Error prepareForCall(); 65 virtual egl::Error releaseThread(); 66 67 virtual egl::Error makeCurrent(egl::Display *display, 68 egl::Surface *drawSurface, 69 egl::Surface *readSurface, 70 gl::Context *context) = 0; 71 72 virtual egl::ConfigSet generateConfigs() = 0; 73 74 virtual bool testDeviceLost() = 0; 75 virtual egl::Error restoreLostDevice(const egl::Display *display) = 0; 76 77 virtual bool isValidNativeWindow(EGLNativeWindowType window) const = 0; 78 virtual egl::Error validateClientBuffer(const egl::Config *configuration, 79 EGLenum buftype, 80 EGLClientBuffer clientBuffer, 81 const egl::AttributeMap &attribs) const; 82 virtual egl::Error validateImageClientBuffer(const gl::Context *context, 83 EGLenum target, 84 EGLClientBuffer clientBuffer, 85 const egl::AttributeMap &attribs) const; 86 virtual egl::Error validatePixmap(const egl::Config *config, 87 EGLNativePixmapType pixmap, 88 const egl::AttributeMap &attributes) const; 89 90 virtual std::string getRendererDescription() = 0; 91 virtual std::string getVendorString() = 0; 92 virtual std::string getVersionString(bool includeFullVersion) = 0; 93 94 virtual DeviceImpl *createDevice(); 95 96 virtual egl::Error waitClient(const gl::Context *context) = 0; 97 virtual egl::Error waitNative(const gl::Context *context, EGLint engine) = 0; 98 virtual gl::Version getMaxSupportedESVersion() const = 0; 99 virtual gl::Version getMaxConformantESVersion() const = 0; 100 // If desktop GL is not supported in any capacity for a given backend, this returns None. 101 virtual Optional<gl::Version> getMaxSupportedDesktopVersion() const = 0; 102 const egl::Caps &getCaps() const; 103 setBlobCacheFuncs(EGLSetBlobFuncANDROID set,EGLGetBlobFuncANDROID get)104 virtual void setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get) {} 105 106 const egl::DisplayExtensions &getExtensions() const; 107 setBlobCache(egl::BlobCache * blobCache)108 void setBlobCache(egl::BlobCache *blobCache) { mBlobCache = blobCache; } getBlobCache()109 egl::BlobCache *getBlobCache() const { return mBlobCache; } 110 initializeFrontendFeatures(angle::FrontendFeatures * features)111 virtual void initializeFrontendFeatures(angle::FrontendFeatures *features) const {} 112 113 virtual void populateFeatureList(angle::FeatureList *features) = 0; 114 getState()115 const egl::DisplayState &getState() const { return mState; } 116 117 virtual egl::Error handleGPUSwitch(); 118 virtual egl::Error forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow); 119 120 virtual egl::Error waitUntilWorkScheduled(); 121 122 virtual angle::NativeWindowSystem getWindowSystem() const; 123 124 virtual bool supportsDmaBufFormat(EGLint format) const; 125 virtual egl::Error queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats); 126 virtual egl::Error queryDmaBufModifiers(EGLint format, 127 EGLint max_modifiers, 128 EGLuint64KHR *modifiers, 129 EGLBoolean *external_only, 130 EGLint *num_modifiers); 131 132 protected: 133 const egl::DisplayState &mState; 134 135 private: 136 virtual void generateExtensions(egl::DisplayExtensions *outExtensions) const = 0; 137 virtual void generateCaps(egl::Caps *outCaps) const = 0; 138 139 mutable bool mExtensionsInitialized; 140 mutable egl::DisplayExtensions mExtensions; 141 142 mutable bool mCapsInitialized; 143 mutable egl::Caps mCaps; 144 145 egl::BlobCache *mBlobCache; 146 }; 147 148 } // namespace rx 149 150 #endif // LIBANGLE_RENDERER_DISPLAYIMPL_H_ 151