mirror of
https://github.com/glfw/glfw.git
synced 2024-11-24 21:54:35 +00:00
Add EGLDevice backend to GLFW
This adds interface to graphics application to create EGLDisplay directly over GPU device as enabled by EGLDevice extensions Fixes #786.
This commit is contained in:
Kamal
Camilla Löwy
parent
f4fb25b63d
commit
5b1a187f71
@ -163,6 +163,9 @@ elseif (GLFW_USE_MIR)
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elseif (GLFW_USE_OSMESA)
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set(_GLFW_OSMESA 1)
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message(STATUS "Using OSMesa for headless context creation")
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elseif (GLFW_USE_EGLDEVICE)
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set(_GLFW_EGLDEVICE 1)
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message(STATUS "Using EGLDevice for window creation")
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elseif (WIN32)
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set(_GLFW_WIN32 1)
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message(STATUS "Using Win32 for window creation")
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@ -291,6 +294,16 @@ if (_GLFW_WAYLAND)
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list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}")
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endif()
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#--------------------------------------------------------------------
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# Use EGLDevice for window creation
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#--------------------------------------------------------------------
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if (_GLFW_EGLDEVICE)
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list(APPEND glfw_LIBRARIES "-ldrm")
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list(APPEND glfw_LIBRARIES "-lpthread")
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endif()
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#--------------------------------------------------------------------
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# Use Mir for window creation
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#--------------------------------------------------------------------
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@ -47,6 +47,12 @@ elseif (_GLFW_WAYLAND)
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PROTOCOL
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"${WAYLAND_PROTOCOLS_PKGDATADIR}/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml"
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BASENAME pointer-constraints-unstable-v1)
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elseif(_GLFW_EGLDEVICE)
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set(glfw_HEADERS ${common_HEADERS} egldevice_platform.h linux_joystick.h
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posix_time.h posix_tls.h xkb_unicode.h egl_context.h)
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set(glfw_SOURCES ${common_SOURCES} egldevice_init.c egldevice_monitor.c egldevice_window.c
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linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c
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egl_context.c)
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elseif (_GLFW_MIR)
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set(glfw_HEADERS ${common_HEADERS} mir_platform.h linux_joystick.h
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posix_time.h posix_thread.h xkb_unicode.h egl_context.h
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@ -116,10 +116,18 @@ static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig,
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if (getEGLConfigAttrib(n, EGL_COLOR_BUFFER_TYPE) != EGL_RGB_BUFFER)
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continue;
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#if defined(_GLFW_EGLDEVICE)
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// Only consider stream EGLConfigs
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if (!(getConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_STREAM_BIT_KHR))
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continue;
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#else
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// Only consider window EGLConfigs
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if (!(getEGLConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_WINDOW_BIT))
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continue;
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#endif
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#if defined(_GLFW_X11)
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// Only consider EGLConfigs with associated Visuals
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if (!getEGLConfigAttrib(n, EGL_NATIVE_VISUAL_ID))
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@ -376,6 +384,9 @@ GLFWbool _glfwInitEGL(void)
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return GLFW_FALSE;
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}
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// For EGLDevice backend the display gets initialized
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// in _glfwPlatformInit()
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#if !defined(_GLFW_EGLDEVICE)
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_glfw.egl.display = eglGetDisplay(_GLFW_EGL_NATIVE_DISPLAY);
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if (_glfw.egl.display == EGL_NO_DISPLAY)
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{
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@ -396,6 +407,7 @@ GLFWbool _glfwInitEGL(void)
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_glfwTerminateEGL();
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return GLFW_FALSE;
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}
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#endif
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_glfw.egl.KHR_create_context =
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extensionSupportedEGL("EGL_KHR_create_context");
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@ -581,6 +593,9 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
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setAttrib(EGL_NONE, EGL_NONE);
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}
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// The surface for EGLDevice backened is created in _glfwPlatformCreateWindow
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//
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#if !defined (_GLFW_EGLDEVICE)
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window->context.egl.surface =
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eglCreateWindowSurface(_glfw.egl.display,
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config,
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@ -593,6 +608,7 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
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getEGLErrorString(eglGetError()));
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return GLFW_FALSE;
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}
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#endif
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window->context.egl.config = config;
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@ -47,6 +47,8 @@ typedef struct wl_egl_window* EGLNativeWindowType;
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#define EGLAPIENTRY
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typedef MirEGLNativeDisplayType EGLNativeDisplayType;
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typedef MirEGLNativeWindowType EGLNativeWindowType;
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#elif defined(_GLFW_EGLDEVICE)
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#include <EGL/eglplatform.h>
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#else
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#error "No supported EGL platform selected"
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#endif
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301
src/egldevice_init.c
Normal file
301
src/egldevice_init.c
Normal file
@ -0,0 +1,301 @@
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//========================================================================
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// GLFW 3.2 EGLDevice - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <linux/limits.h>
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#include "egl_context.h"
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static GLFWbool initializeExtensions()
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{
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_glfw.egldevice.eglQueryDevicesEXT =
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(PFNEGLQUERYDEVICESEXTPROC)
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_glfw.egl.GetProcAddress("eglQueryDevicesEXT");
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_glfw.egldevice.eglQueryDeviceStringEXT =
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(PFNEGLQUERYDEVICESTRINGEXTPROC)
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_glfw.egl.GetProcAddress("eglQueryDeviceStringEXT");
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_glfw.egldevice.eglGetPlatformDisplayEXT =
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(PFNEGLGETPLATFORMDISPLAYEXTPROC)
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_glfw.egl.GetProcAddress("eglGetPlatformDisplayEXT");
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_glfw.egldevice.eglGetOutputLayersEXT =
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(PFNEGLGETOUTPUTLAYERSEXTPROC)
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_glfw.egl.GetProcAddress("eglGetOutputLayersEXT");
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_glfw.egldevice.eglCreateStreamKHR =
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(PFNEGLCREATESTREAMKHRPROC)
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_glfw.egl.GetProcAddress("eglCreateStreamKHR");
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_glfw.egldevice.eglDestroyStreamKHR =
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(PFNEGLDESTROYSTREAMKHRPROC)
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_glfw.egl.GetProcAddress("eglDestroyStreamKHR");
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_glfw.egldevice.eglStreamConsumerOutputEXT =
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(PFNEGLSTREAMCONSUMEROUTPUTEXTPROC)
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_glfw.egl.GetProcAddress("eglStreamConsumerOutputEXT");
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_glfw.egldevice.eglCreateStreamProducerSurfaceKHR =
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(PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC)
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_glfw.egl.GetProcAddress("eglCreateStreamProducerSurfaceKHR");
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if(!_glfw.egldevice.eglQueryDevicesEXT ||
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!_glfw.egldevice.eglQueryDeviceStringEXT ||
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!_glfw.egldevice.eglGetPlatformDisplayEXT ||
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!_glfw.egldevice.eglGetOutputLayersEXT ||
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!_glfw.egldevice.eglCreateStreamKHR ||
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!_glfw.egldevice.eglDestroyStreamKHR ||
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!_glfw.egldevice.eglStreamConsumerOutputEXT ||
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!_glfw.egldevice.eglCreateStreamProducerSurfaceKHR)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required function(s)");
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return GLFW_FALSE;
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}
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return GLFW_TRUE;
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}
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static EGLDeviceEXT getEGLDevice(void)
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{
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int i, num_devs;
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EGLDeviceEXT* egl_devs, eglDevice;
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const char *clientExtensionString;
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eglDevice = EGL_NO_DEVICE_EXT;
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clientExtensionString = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
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if (!_glfwStringInExtensionString("EGL_EXT_device_base",
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clientExtensionString) &&
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(!_glfwStringInExtensionString("EGL_EXT_device_enumeration",
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clientExtensionString) ||
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!_glfwStringInExtensionString("EGL_EXT_device_query",
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clientExtensionString)))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: EGL_EXT_device base extensions not found");
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}
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if (!_glfw.egldevice.eglQueryDevicesEXT(0, NULL, &num_devs))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Falied to query EGLDevice");
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}
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if (num_devs < 1)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: No Devices Found");
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}
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egl_devs = calloc(sizeof(EGLDeviceEXT), num_devs);
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if (egl_devs == NULL)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Unable to allocate memory for device storage");
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}
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// Select suitable device
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if (!_glfw.egldevice.eglQueryDevicesEXT(num_devs, egl_devs, &num_devs))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Failed to query EGL devices");
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}
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for (i = 0; i <= num_devs; i++)
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{
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const char* deviceExtensionString;
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deviceExtensionString =
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_glfw.egldevice.eglQueryDeviceStringEXT(egl_devs[i], EGL_EXTENSIONS);
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if (_glfwStringInExtensionString("EGL_EXT_device_drm",
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deviceExtensionString))
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{
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eglDevice = egl_devs[i];
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break;
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}
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}
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free(egl_devs);
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if (eglDevice == EGL_NO_DEVICE_EXT)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_EXT_device_drm");
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}
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return eglDevice;
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}
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static int getDRMFd(EGLDeviceEXT eglDevice)
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{
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int drm_fd;
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const char* drmName;
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drmName = _glfw.egldevice.eglQueryDeviceStringEXT(eglDevice,
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EGL_DRM_DEVICE_FILE_EXT);
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if (!drmName || (strnlen(drmName, PATH_MAX) == 0))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Couldn't obtain device file from 0x%p",
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(void*)(uintptr_t)eglDevice);
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}
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drm_fd = drmOpen(drmName, NULL);
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if (drm_fd < 0)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Couldn't open device file '%s'", drmName);
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}
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return drm_fd;
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}
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static GLFWbool initEGLDisplay(EGLDeviceEXT egl_dev, int drm_fd)
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{
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const char* displayExtensionString;
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EGLint displayAttribs[] = {
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EGL_DRM_MASTER_FD_EXT,
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drm_fd,
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EGL_NONE
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};
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_glfw.egl.display =
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_glfw.egldevice.eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT,
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(void*)egl_dev,
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displayAttribs);
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if (_glfw.egl.display == EGL_NO_DISPLAY)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Couldn't obtain EGLDisplay for device");
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return GLFW_FALSE;
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}
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if (!eglInitialize(_glfw.egl.display, &_glfw.egl.major, &_glfw.egl.minor))
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{
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"EGL: Failed to initialize EGL: %s",
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eglGetError());
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return GLFW_FALSE;
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}
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// Check for stream_consumer_egloutput + output_drm support
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displayExtensionString = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS);
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if (!_glfwStringInExtensionString("EGL_EXT_output_base",
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displayExtensionString))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_EXT_output_base");
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return GLFW_FALSE;
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}
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if (!_glfwStringInExtensionString("EGL_EXT_output_drm",
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displayExtensionString))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_EXT_output_drm");
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return GLFW_FALSE;
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}
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if (!_glfwStringInExtensionString("EGL_KHR_stream",
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displayExtensionString))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_KHR_stream");
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return GLFW_FALSE;
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}
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if (!_glfwStringInExtensionString("EGL_KHR_stream_producer_eglsurface",
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displayExtensionString))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_KHR_stream_producer_eglsurface");
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return GLFW_FALSE;
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}
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if (!_glfwStringInExtensionString("EGL_EXT_stream_consumer_egloutput",
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displayExtensionString))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"EGLDevice: Missing required extension:"
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" EGL_EXT_stream_consumer_egloutput");
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return GLFW_FALSE;
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}
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return GLFW_TRUE;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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int _glfwPlatformInit(void)
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{
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EGLDeviceEXT egl_dev;
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int drm_fd;
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if (!_glfwInitThreadLocalStoragePOSIX())
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return GLFW_FALSE;
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// Initialize EGL
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if (!_glfwInitEGL())
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return GLFW_FALSE;
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// Initialize global data and extension function pointers
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if (!initializeExtensions())
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return GLFW_FALSE;
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// Query and Obtain EGLDevice
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egl_dev = getEGLDevice();
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// Obtain and open DRM device file
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drm_fd = getDRMFd(egl_dev);
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// Store for use later
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_glfw.egldevice.drmFd = drm_fd;
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// Obtain EGLDisplay
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if (!initEGLDisplay(egl_dev, drm_fd))
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return GLFW_FALSE;
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_glfwInitTimerPOSIX();
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return GLFW_TRUE;
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}
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void _glfwPlatformTerminate(void)
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{
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_glfwTerminateEGL();
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_glfwTerminateJoysticksLinux();
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_glfwTerminateThreadLocalStoragePOSIX();
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}
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const char* _glfwPlatformGetVersionString(void)
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{
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return _GLFW_VERSION_NUMBER "EGLDEVICE"
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#if defined(_GLFW_EGL)
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" EGL"
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#endif
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#if defined(_GLFW_BUILD_DLL)
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" shared"
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#endif
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;
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}
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177
src/egldevice_monitor.c
Normal file
177
src/egldevice_monitor.c
Normal file
@ -0,0 +1,177 @@
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//========================================================================
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// GLFW 3.2 EGLDevice - www.glfw.org
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//------------------------------------------------------------------------
|
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// Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
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//
|
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//========================================================================
|
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|
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#include "internal.h"
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|
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static GLFWbool pickConnector(_GLFWmonitor* monitor, int drm_fd, drmModeRes* res_info)
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{
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int i, j;
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// Getting suitable connector, encoder and crtc
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for (i = 0; i < res_info->count_connectors; i++)
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{
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monitor->egldevice.connId = res_info->connectors[i];
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drmModeConnector* conn_info;
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conn_info =
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drmModeGetConnector(drm_fd, monitor->egldevice.connId);
|
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if (!conn_info)
|
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
|
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"EGLDevice: Unable to obtain info for connector (%d)",
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||||
monitor->egldevice.connId);
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
if (conn_info->connection == DRM_MODE_CONNECTED &&
|
||||
conn_info->count_modes > 0 &&
|
||||
conn_info->count_encoders > 0)
|
||||
{
|
||||
monitor->egldevice.encId = conn_info->encoders[0];
|
||||
|
||||
drmModeEncoder* enc_info;
|
||||
|
||||
enc_info =
|
||||
drmModeGetEncoder(drm_fd, monitor->egldevice.encId);
|
||||
if (!enc_info) {
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to query DRM-KMS"
|
||||
" information for connector index %d", i);
|
||||
}
|
||||
|
||||
// Select the modesize
|
||||
monitor->currentMode.width = (int)conn_info->modes[0].hdisplay;
|
||||
monitor->currentMode.height = (int)conn_info->modes[0].vdisplay;
|
||||
monitor->currentMode.refreshRate = (int)conn_info->modes[0].vrefresh;
|
||||
monitor->modeCount = (int)conn_info->count_modes;
|
||||
monitor->name = conn_info->modes[0].name;
|
||||
|
||||
for (j = 0; j < res_info->count_crtcs; j++)
|
||||
{
|
||||
if ((enc_info->possible_crtcs & (1 << j)) == 0)
|
||||
continue;
|
||||
|
||||
monitor->egldevice.crtcId = res_info->crtcs[j];
|
||||
monitor->egldevice.crtcIndex = j;
|
||||
|
||||
if (res_info->crtcs[i] == enc_info->crtc_id)
|
||||
break;
|
||||
}
|
||||
if (monitor->egldevice.crtcId == 0)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to select suitable CRTC");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
drmModeFreeEncoder(enc_info);
|
||||
}
|
||||
drmModeFreeConnector(conn_info);
|
||||
}
|
||||
return GLFW_TRUE;
|
||||
}
|
||||
|
||||
static GLFWbool initDRMResources(_GLFWmonitor* monitor, int drm_fd)
|
||||
{
|
||||
drmModeRes* res_info;
|
||||
|
||||
res_info = drmModeGetResources(drm_fd);
|
||||
if (!res_info)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Couldn't obtain DRM-KMS resources");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
if(!pickConnector(monitor, drm_fd, res_info))
|
||||
return GLFW_FALSE;
|
||||
|
||||
drmModeFreeResources(res_info);
|
||||
|
||||
return GLFW_TRUE;
|
||||
}
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
/////////// GLFW platform API //////////////
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
|
||||
{
|
||||
_GLFWmonitor** monitors;
|
||||
_GLFWmonitor* monitor;
|
||||
int monitorsCount = 1;
|
||||
|
||||
monitors = calloc(monitorsCount, sizeof(_GLFWmonitor*));
|
||||
monitor = calloc(1, sizeof(_GLFWmonitor));
|
||||
|
||||
*count = 1;
|
||||
// Obtain DRM resource info
|
||||
if (!initDRMResources(monitor, _glfw.egldevice.drmFd))
|
||||
return GLFW_FALSE;
|
||||
|
||||
monitors[0] = monitor;
|
||||
|
||||
return monitors;
|
||||
}
|
||||
|
||||
GLFWbool _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformIsSameMonitor not implemented");
|
||||
return 0;
|
||||
}
|
||||
|
||||
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetMonitorPos not implemented");
|
||||
}
|
||||
|
||||
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetVideoModes not implemented");
|
||||
*found = 0;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetVideoMode not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetGammaRamp not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetGammaRamp not implemented");
|
||||
}
|
||||
119
src/egldevice_platform.h
Normal file
119
src/egldevice_platform.h
Normal file
@ -0,0 +1,119 @@
|
||||
//========================================================================
|
||||
// GLFW 3.2 EGLDevice - www.glfw.org
|
||||
//------------------------------------------------------------------------
|
||||
// Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
||||
//
|
||||
//========================================================================
|
||||
|
||||
#ifndef _glfw3_egldevice_h_
|
||||
#define _glfw3_egldevice_h_
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/select.h>
|
||||
#include <sys/mman.h>
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <ctype.h>
|
||||
#include <assert.h>
|
||||
#include <math.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <EGL/egl.h>
|
||||
#include <EGL/eglext.h>
|
||||
|
||||
#include <dlfcn.h>
|
||||
#include <xf86drm.h>
|
||||
#include <xf86drmMode.h>
|
||||
#include <drm_fourcc.h>
|
||||
#include "posix_time.h"
|
||||
#include "linux_joystick.h"
|
||||
#include "posix_tls.h"
|
||||
|
||||
#include "egl_context.h"
|
||||
|
||||
#define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
|
||||
#define _glfw_dlclose(handle) dlclose(handle)
|
||||
#define _glfw_dlsym(handle, name) dlsym(handle, name)
|
||||
|
||||
#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
|
||||
#define _GLFW_EGL_NATIVE_WINDOW ((EGLNativeWindowType)window->egldevice.handle)
|
||||
|
||||
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowEgldevice egldevice
|
||||
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryEgldevice egldevice
|
||||
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorEgldevice egldevice
|
||||
#define _GLFW_PLATFORM_CURSOR_STATE _GLFWcursorEgldevice egldevice
|
||||
|
||||
#define _GLFW_PLATFORM_CONTEXT_STATE
|
||||
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE
|
||||
|
||||
// EGLDEVICE-specific per-window data
|
||||
//
|
||||
typedef struct _GLFWwindowEgldevice
|
||||
{
|
||||
int xsurfsize, ysurfsize;
|
||||
int xoffset, yoffset;
|
||||
int fifo;
|
||||
|
||||
uint32_t planeId;
|
||||
|
||||
EGLDisplay handle;
|
||||
EGLOutputLayerEXT eglLayer;
|
||||
EGLStreamKHR eglStream;
|
||||
} _GLFWwindowEgldevice;
|
||||
|
||||
// EGLDEVICE-specific global data
|
||||
//
|
||||
typedef struct _GLFWlibraryEgldevice
|
||||
{
|
||||
int drmFd;
|
||||
|
||||
PFNEGLQUERYDEVICESEXTPROC eglQueryDevicesEXT;
|
||||
PFNEGLQUERYDEVICESTRINGEXTPROC eglQueryDeviceStringEXT;
|
||||
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
|
||||
PFNEGLGETOUTPUTLAYERSEXTPROC eglGetOutputLayersEXT;
|
||||
PFNEGLCREATESTREAMKHRPROC eglCreateStreamKHR;
|
||||
PFNEGLDESTROYSTREAMKHRPROC eglDestroyStreamKHR;
|
||||
PFNEGLSTREAMCONSUMEROUTPUTEXTPROC eglStreamConsumerOutputEXT;
|
||||
PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC eglCreateStreamProducerSurfaceKHR;
|
||||
PFNEGLSTREAMATTRIBKHRPROC eglStreamAttribKHR;
|
||||
PFNEGLSTREAMCONSUMERACQUIREATTRIBEXTPROC eglStreamConsumerAcquireAttribEXT;
|
||||
} _GLFWlibraryEgldevice;
|
||||
|
||||
// EGLDEVICE-specific per-monitor data
|
||||
//
|
||||
typedef struct _GLFWmonitorEgldevice {
|
||||
int crtcIndex;
|
||||
uint32_t connId, encId, crtcId;
|
||||
} _GLFWmonitorEgldevice;
|
||||
|
||||
// EGLDEVICE-specific per-cursor data
|
||||
//
|
||||
typedef struct _GLFWcursorEgldevice {
|
||||
} _GLFWcursorEgldevice;
|
||||
|
||||
#endif // _glfw3_egldevice_platform_h_
|
||||
396
src/egldevice_window.c
Normal file
396
src/egldevice_window.c
Normal file
@ -0,0 +1,396 @@
|
||||
//========================================================================
|
||||
// GLFW 3.2 EGLDevice - www.glfw.org
|
||||
//------------------------------------------------------------------------
|
||||
// Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
||||
//
|
||||
//========================================================================
|
||||
|
||||
#include "internal.h"
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
//////// GLFW platform API /////////////
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
|
||||
int _glfwPlatformCreateWindow(_GLFWwindow* window,
|
||||
const _GLFWwndconfig* wndconfig,
|
||||
const _GLFWctxconfig* ctxconfig,
|
||||
const _GLFWfbconfig* fbconfig)
|
||||
{
|
||||
int n;
|
||||
_GLFWmonitor* monitor;
|
||||
EGLAttrib layerAttribs[] = { EGL_NONE, EGL_NONE, EGL_NONE };
|
||||
EGLint streamAttribs[] = { EGL_STREAM_FIFO_LENGTH_KHR,
|
||||
window->egldevice.fifo, EGL_NONE };
|
||||
EGLint surfaceAttribs[] = { EGL_WIDTH, 0, EGL_HEIGHT, 0, EGL_NONE };
|
||||
|
||||
if (window->monitor)
|
||||
monitor = window->monitor;
|
||||
else
|
||||
monitor = _glfw.monitors[0];
|
||||
|
||||
window->egldevice.xsurfsize = wndconfig->width;
|
||||
window->egldevice.ysurfsize = wndconfig->height;
|
||||
|
||||
if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
|
||||
return GLFW_FALSE;
|
||||
|
||||
// Get the layer for this crtc/plane
|
||||
layerAttribs[0] = EGL_DRM_CRTC_EXT;
|
||||
layerAttribs[1] = (EGLAttrib)monitor->egldevice.crtcId;
|
||||
|
||||
if (!_glfw.egldevice.eglGetOutputLayersEXT(_glfw.egl.display, layerAttribs,
|
||||
&window->egldevice.eglLayer,
|
||||
1, &n) || !n)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to obtain EGLOutputLayer");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
// Create a stream and connect to the output
|
||||
window->egldevice.eglStream =
|
||||
_glfw.egldevice.eglCreateStreamKHR(_glfw.egl.display, streamAttribs);
|
||||
if (window->egldevice.eglStream == EGL_NO_STREAM_KHR)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to create stream (error 0x%x)",
|
||||
eglGetError());
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
if (!_glfw.egldevice.eglStreamConsumerOutputEXT(_glfw.egl.display,
|
||||
window->egldevice.eglStream,
|
||||
window->egldevice.eglLayer))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to connect stream (error 0x%x)",
|
||||
eglGetError());
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
// Create a surface to feed the stream
|
||||
surfaceAttribs[1] = window->egldevice.xsurfsize;
|
||||
surfaceAttribs[3] = window->egldevice.ysurfsize;
|
||||
window->context.egl.surface =
|
||||
_glfw.egldevice.eglCreateStreamProducerSurfaceKHR(_glfw.egl.display,
|
||||
window->context.egl.config,
|
||||
window->egldevice.eglStream,
|
||||
surfaceAttribs);
|
||||
if (window->context.egl.surface == EGL_NO_SURFACE)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Unable to create rendering"
|
||||
" surface (error 0x%x)", eglGetError());
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
return GLFW_TRUE;
|
||||
}
|
||||
|
||||
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
|
||||
{
|
||||
if (window->context.client != GLFW_NO_API)
|
||||
window->context.destroy(window);
|
||||
|
||||
if (window->egldevice.eglStream != EGL_NO_STREAM_KHR)
|
||||
{
|
||||
_glfw.egldevice.eglDestroyStreamKHR(_glfw.egl.display,
|
||||
window->egldevice.eglStream);
|
||||
}
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowTitle is not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
|
||||
int count, const GLFWimage* images)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowIcon is not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
|
||||
{
|
||||
if (xpos)
|
||||
*xpos = window->egldevice.xoffset;
|
||||
if (ypos)
|
||||
*ypos = window->egldevice.yoffset;
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
|
||||
{
|
||||
window->egldevice.xoffset = xpos;
|
||||
window->egldevice.yoffset = ypos;
|
||||
|
||||
drmModeRes* res_info;
|
||||
_GLFWmonitor* monitor;
|
||||
|
||||
if (window->monitor)
|
||||
monitor = window->monitor;
|
||||
else
|
||||
monitor = _glfw.monitors[0];
|
||||
|
||||
res_info = drmModeGetResources(_glfw.egldevice.drmFd);
|
||||
if (drmModeSetCrtc(_glfw.egldevice.drmFd,
|
||||
res_info->crtcs[monitor->egldevice.crtcIndex],
|
||||
-1, window->egldevice.xoffset, window->egldevice.yoffset,
|
||||
&res_info->connectors[monitor->egldevice.crtcIndex], 1, NULL))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: Setting window pos failed");
|
||||
}
|
||||
drmModeFreeResources(res_info);
|
||||
}
|
||||
|
||||
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
|
||||
{
|
||||
if (width)
|
||||
*width = window->egldevice.xsurfsize;
|
||||
if (height)
|
||||
*height = window->egldevice.ysurfsize;
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowSize not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
|
||||
int minwidth, int minheight,
|
||||
int maxwidth, int maxheight)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowSizeLimits not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowAspectRatio not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
|
||||
{
|
||||
_glfwPlatformGetWindowSize(window, width, height);
|
||||
}
|
||||
|
||||
void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
|
||||
int* left, int* top,
|
||||
int* right, int* bottom)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetWindowFrameSize not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformIconifyWindow not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformRestoreWindow not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformMaximizeWindow not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformShowWindow(_GLFWwindow* window)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void _glfwPlatformUnhideWindow(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformUnhideWindow not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformHideWindow(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformHideWindow not implemented");
|
||||
}
|
||||
|
||||
void _glfwPlatformFocusWindow(_GLFWwindow* window)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
|
||||
_GLFWmonitor* monitor,
|
||||
int xpos, int ypos,
|
||||
int width, int height,
|
||||
int refreshRate)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetWindowMonitor not implemented");
|
||||
}
|
||||
int _glfwPlatformWindowFocused(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWindowFocused not implemented");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
int _glfwPlatformWindowIconified(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWindowIconified not implemented");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
int _glfwPlatformWindowVisible(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWindowVisible not implemented");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
int _glfwPlatformWindowMaximized(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWindowMaximized not implemented");
|
||||
return 0;
|
||||
}
|
||||
|
||||
void _glfwPlatformPollEvents(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void _glfwPlatformWaitEvents(void)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWaitEvents not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformWaitEventsTimeout(double timeout)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformWaitEventsTimeout not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformPostEmptyEvent(void)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformPostEmptyEvent not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetCursorPos not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetCursorPos not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetCursorMode not supported");
|
||||
}
|
||||
|
||||
const char* _glfwPlatformGetKeyName(int key, int scancode)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetKeyName not supported");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
|
||||
const GLFWimage* image,
|
||||
int xhot, int yhot)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformCreateCursor not supported");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformCreateStandardCursor not supported");
|
||||
return GLFW_FALSE;
|
||||
}
|
||||
|
||||
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetCursor not supported");
|
||||
}
|
||||
|
||||
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformSetClipboardString not supported");
|
||||
}
|
||||
|
||||
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetClipboardString not supported");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char** _glfwPlatformGetRequiredInstanceExtensions(uint32_t* count)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetRequiredInstanceExtensions not supported");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
|
||||
VkPhysicalDevice device,
|
||||
uint32_t queuefamily)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformGetPhysicalDevicePresentationSupport not supported");
|
||||
return 0;
|
||||
}
|
||||
|
||||
VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
|
||||
_GLFWwindow* window,
|
||||
const VkAllocationCallbacks* allocator,
|
||||
VkSurfaceKHR* surface)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"EGLDevice: _glfwPlatformCreateWindowSurface not supported");
|
||||
return (VkResult)NULL;
|
||||
}
|
||||
@ -46,6 +46,8 @@
|
||||
#cmakedefine _GLFW_MIR
|
||||
// Define this to 1 if building GLFW for OSMesa
|
||||
#cmakedefine _GLFW_OSMESA
|
||||
// Define this to 1 if building GLFW for EGLDevice
|
||||
#cmakedefine _GLFW_EGLDEVICE
|
||||
|
||||
// Define this to 1 if building as a shared library / dynamic library / DLL
|
||||
#cmakedefine _GLFW_BUILD_DLL
|
||||
|
||||
@ -190,6 +190,8 @@ typedef void (APIENTRY * PFN_vkVoidFunction)(void);
|
||||
#include "mir_platform.h"
|
||||
#elif defined(_GLFW_OSMESA)
|
||||
#include "null_platform.h"
|
||||
#elif defined(_GLFW_EGLDEVICE)
|
||||
#include "egldevice_platform.h"
|
||||
#else
|
||||
#error "No supported window creation API selected"
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user