97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
#ifndef MBGL_COMMON_HEADLESS_VIEW
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#define MBGL_COMMON_HEADLESS_VIEW
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#ifdef __APPLE__
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#include <TargetConditionals.h>
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#if TARGET_OS_IOS
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#define MBGL_USE_EAGL 1
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#else
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#define MBGL_USE_CGL 1
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#endif
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#else
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#define GL_GLEXT_PROTOTYPES
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#define MBGL_USE_GLX 1
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typedef struct _XDisplay Display;
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typedef struct __GLXcontextRec* GLXContext;
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typedef struct __GLXFBConfigRec* GLXFBConfig;
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typedef long unsigned int XID;
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typedef XID GLXPbuffer;
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#endif
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#include <mbgl/mbgl.hpp>
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#include <mbgl/gl/gl.hpp>
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#include <memory>
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#include <thread>
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namespace mbgl {
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class HeadlessDisplay;
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class HeadlessView : public View {
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public:
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HeadlessView(float pixelRatio, uint16_t width = 256, uint16_t height = 256);
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HeadlessView(std::shared_ptr<HeadlessDisplay> display, float pixelRatio, uint16_t width = 256, uint16_t height = 256);
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~HeadlessView();
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float getPixelRatio() const override;
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std::array<uint16_t, 2> getSize() const override;
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std::array<uint16_t, 2> getFramebufferSize() const override;
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void activate() override;
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void deactivate() override;
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void notify() override;
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void invalidate() override;
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void beforeRender() override;
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void afterRender() override;
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PremultipliedImage readStillImage() override;
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void resizeFramebuffer();
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void resize(uint16_t width, uint16_t height);
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private:
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void loadExtensions();
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bool isActive() const;
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// Implementation specific functions
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static gl::glProc initializeExtension(const char*);
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void createContext();
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void destroyContext();
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void clearBuffers();
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void activateContext();
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void deactivateContext();
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private:
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std::shared_ptr<HeadlessDisplay> display;
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const float pixelRatio;
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std::array<uint16_t, 2> dimensions;
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bool needsResize = false;
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#if MBGL_USE_CGL
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CGLContextObj glContext = nullptr;
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#endif
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#if MBGL_USE_EAGL
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void *glContext = nullptr;
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#endif
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#if MBGL_USE_GLX
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Display *xDisplay = nullptr;
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GLXFBConfig *fbConfigs = nullptr;
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GLXContext glContext = 0;
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GLXPbuffer glxPbuffer = 0;
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#endif
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bool extensionsLoaded = false;
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GLuint fbo = 0;
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GLuint fboDepthStencil = 0;
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GLuint fboColor = 0;
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std::thread::id thread;
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};
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} // namespace mbgl
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#endif
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