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https://github.com/glfw/glfw.git
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EGL: Implement glfwGetBufferAge()
This feature is provided by the EGL_EXT_buffer_age extension, otherwise always return 0.
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0d2ce23071
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@ -254,6 +254,24 @@ static void swapIntervalEGL(int interval)
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eglSwapInterval(_glfw.egl.display, interval);
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eglSwapInterval(_glfw.egl.display, interval);
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}
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}
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static int getBufferAgeEGL(_GLFWwindow* window)
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{
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EGLint buffer_age;
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if (window != _glfwPlatformGetTls(&_glfw.contextSlot))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGL: The context must be current on the calling thread when swapping buffers");
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return 0;
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}
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if (!eglQuerySurface(_glfw.egl.display, window->context.egl.surface,
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EGL_BUFFER_AGE_EXT, &buffer_age))
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return 0;
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return buffer_age;
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}
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static int extensionSupportedEGL(const char* extension)
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static int extensionSupportedEGL(const char* extension)
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{
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{
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const char* extensions = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS);
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const char* extensions = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS);
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@ -384,6 +402,8 @@ GLFWbool _glfwInitEGL(void)
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_glfw_dlsym(_glfw.egl.handle, "eglSwapInterval");
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_glfw_dlsym(_glfw.egl.handle, "eglSwapInterval");
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_glfw.egl.QueryString = (PFN_eglQueryString)
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_glfw.egl.QueryString = (PFN_eglQueryString)
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_glfw_dlsym(_glfw.egl.handle, "eglQueryString");
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_glfw_dlsym(_glfw.egl.handle, "eglQueryString");
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_glfw.egl.QuerySurface = (PFN_eglQuerySurface)
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_glfw_dlsym(_glfw.egl.handle, "eglQuerySurface");
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_glfw.egl.GetProcAddress = (PFN_eglGetProcAddress)
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_glfw.egl.GetProcAddress = (PFN_eglGetProcAddress)
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_glfw_dlsym(_glfw.egl.handle, "eglGetProcAddress");
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_glfw_dlsym(_glfw.egl.handle, "eglGetProcAddress");
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@ -402,6 +422,7 @@ GLFWbool _glfwInitEGL(void)
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!_glfw.egl.SwapBuffers ||
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!_glfw.egl.SwapBuffers ||
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!_glfw.egl.SwapInterval ||
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!_glfw.egl.SwapInterval ||
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!_glfw.egl.QueryString ||
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!_glfw.egl.QueryString ||
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!_glfw.egl.QuerySurface ||
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!_glfw.egl.GetProcAddress)
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!_glfw.egl.GetProcAddress)
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{
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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_glfwInputError(GLFW_PLATFORM_ERROR,
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@ -719,6 +740,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
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window->context.swapBuffers = swapBuffersEGL;
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window->context.swapBuffers = swapBuffersEGL;
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window->context.swapBuffersWithDamage = swapBuffersWithDamageEGL;
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window->context.swapBuffersWithDamage = swapBuffersWithDamageEGL;
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window->context.swapInterval = swapIntervalEGL;
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window->context.swapInterval = swapIntervalEGL;
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window->context.getBufferAge = getBufferAgeEGL;
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window->context.extensionSupported = extensionSupportedEGL;
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window->context.extensionSupported = extensionSupportedEGL;
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window->context.getProcAddress = getProcAddressEGL;
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window->context.getProcAddress = getProcAddressEGL;
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window->context.destroy = destroyContextEGL;
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window->context.destroy = destroyContextEGL;
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@ -107,6 +107,8 @@ typedef struct wl_egl_window* EGLNativeWindowType;
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#define EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR 0
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#define EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR 0
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#define EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR 0x2098
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#define EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR 0x2098
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#define EGL_BUFFER_AGE_EXT 0x313D
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typedef int EGLint;
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typedef int EGLint;
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typedef unsigned int EGLBoolean;
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typedef unsigned int EGLBoolean;
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typedef unsigned int EGLenum;
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typedef unsigned int EGLenum;
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@ -131,6 +133,7 @@ typedef EGLBoolean (EGLAPIENTRY * PFN_eglMakeCurrent)(EGLDisplay,EGLSurface,EGLS
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffers)(EGLDisplay,EGLSurface);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffers)(EGLDisplay,EGLSurface);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapInterval)(EGLDisplay,EGLint);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapInterval)(EGLDisplay,EGLint);
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typedef const char* (EGLAPIENTRY * PFN_eglQueryString)(EGLDisplay,EGLint);
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typedef const char* (EGLAPIENTRY * PFN_eglQueryString)(EGLDisplay,EGLint);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglQuerySurface)(EGLDisplay,EGLSurface,EGLint,EGLint*);
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typedef GLFWglproc (EGLAPIENTRY * PFN_eglGetProcAddress)(const char*);
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typedef GLFWglproc (EGLAPIENTRY * PFN_eglGetProcAddress)(const char*);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffersWithDamageKHR)(EGLDisplay,EGLSurface,EGLint*,EGLint);
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typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffersWithDamageKHR)(EGLDisplay,EGLSurface,EGLint*,EGLint);
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#define eglGetConfigAttrib _glfw.egl.GetConfigAttrib
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#define eglGetConfigAttrib _glfw.egl.GetConfigAttrib
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@ -148,6 +151,7 @@ typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffersWithDamageKHR)(EGLDisplay,EG
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#define eglSwapBuffers _glfw.egl.SwapBuffers
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#define eglSwapBuffers _glfw.egl.SwapBuffers
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#define eglSwapInterval _glfw.egl.SwapInterval
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#define eglSwapInterval _glfw.egl.SwapInterval
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#define eglQueryString _glfw.egl.QueryString
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#define eglQueryString _glfw.egl.QueryString
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#define eglQuerySurface _glfw.egl.QuerySurface
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#define eglGetProcAddress _glfw.egl.GetProcAddress
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#define eglGetProcAddress _glfw.egl.GetProcAddress
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#define eglSwapBuffersWithDamageKHR _glfw.egl.SwapBuffersWithDamageKHR
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#define eglSwapBuffersWithDamageKHR _glfw.egl.SwapBuffersWithDamageKHR
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@ -199,6 +203,7 @@ typedef struct _GLFWlibraryEGL
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PFN_eglSwapBuffers SwapBuffers;
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PFN_eglSwapBuffers SwapBuffers;
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PFN_eglSwapInterval SwapInterval;
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PFN_eglSwapInterval SwapInterval;
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PFN_eglQueryString QueryString;
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PFN_eglQueryString QueryString;
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PFN_eglQuerySurface QuerySurface;
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PFN_eglGetProcAddress GetProcAddress;
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PFN_eglGetProcAddress GetProcAddress;
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PFN_eglSwapBuffersWithDamageKHR SwapBuffersWithDamageKHR;
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PFN_eglSwapBuffersWithDamageKHR SwapBuffersWithDamageKHR;
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