Camilla Löwy Berglund
ago%!(EXTRA string=13 years)
commit
11143baa95
10 changed files with 951 additions and 15 deletions
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# Find EGL |
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# |
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# EGL_INCLUDE_DIR |
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# EGL_LIBRARY |
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# EGL_FOUND |
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FIND_PATH(EGL_INCLUDE_DIR NAMES EGL/egl.h) |
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SET(EGL_NAMES ${EGL_NAMES} egl EGL) |
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FIND_LIBRARY(EGL_LIBRARY NAMES ${EGL_NAMES}) |
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INCLUDE(FindPackageHandleStandardArgs) |
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_LIBRARY EGL_INCLUDE_DIR) |
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MARK_AS_ADVANCED(EGL_INCLUDE_DIR EGL_LIBRARY) |
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@ -0,0 +1,536 @@ |
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//========================================================================
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// GLFW - An OpenGL library
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// Platform: X11/EGL/GLES
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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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 <stdio.h> |
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#include <stdlib.h> |
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// Max number of EGL configuration we handle
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#define _GLFW_EGL_CONFIG_IN 15 |
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//========================================================================
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// Returns the specified attribute of the specified EGLConfig
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//========================================================================
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static int getFBConfigAttrib(EGLConfig fbconfig, int attrib) |
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{ |
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int value; |
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eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, attrib, &value); |
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return value; |
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} |
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//========================================================================
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// Return a list of available and usable framebuffer configs
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//========================================================================
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static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, unsigned int* found) |
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{ |
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EGLConfig fbconfigs[_GLFW_EGL_CONFIG_IN]; |
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_GLFWfbconfig* result; |
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int i, count = 0; |
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*found = 0; |
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eglGetConfigs(_glfwLibrary.EGL.display, fbconfigs, |
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_GLFW_EGL_CONFIG_IN, &count); |
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if (!count) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/EGL: No EGLConfigs returned"); |
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return NULL; |
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} |
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result = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * count); |
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if (!result) |
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{ |
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_glfwSetError(GLFW_OUT_OF_MEMORY, |
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"X11/EGL: Failed to allocate _GLFWfbconfig array"); |
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return NULL; |
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} |
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for (i = 0; i < count; i++) |
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{ |
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if (!getFBConfigAttrib(fbconfigs[i], EGL_NATIVE_VISUAL_ID)) |
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{ |
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// Only consider EGLConfigs with associated visuals
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continue; |
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} |
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if (!(getFBConfigAttrib(fbconfigs[i], |
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EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER)) |
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{ |
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// Only consider RGB(A) EGLConfigs
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continue; |
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} |
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if (!(getFBConfigAttrib(fbconfigs[i], EGL_SURFACE_TYPE) & EGL_WINDOW_BIT)) |
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{ |
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// Only consider window EGLConfigs
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continue; |
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} |
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if (!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT) && |
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!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT)) |
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{ |
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// Only consider OpenGL ES context
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continue; |
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} |
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if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE && |
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!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT)) |
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{ |
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// User requested only OpenGL ES 2.0 context
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continue; |
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} |
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result[*found].redBits = getFBConfigAttrib(fbconfigs[i], EGL_RED_SIZE); |
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result[*found].greenBits = getFBConfigAttrib(fbconfigs[i], EGL_GREEN_SIZE); |
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result[*found].blueBits = getFBConfigAttrib(fbconfigs[i], EGL_BLUE_SIZE); |
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result[*found].alphaBits = getFBConfigAttrib(fbconfigs[i], EGL_ALPHA_SIZE); |
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result[*found].depthBits = getFBConfigAttrib(fbconfigs[i], EGL_DEPTH_SIZE); |
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result[*found].stencilBits = getFBConfigAttrib(fbconfigs[i], EGL_STENCIL_SIZE); |
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result[*found].samples = getFBConfigAttrib(fbconfigs[i], EGL_SAMPLES); |
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result[*found].platformID = (GLFWintptr) getFBConfigAttrib(fbconfigs[i], EGL_CONFIG_ID); |
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(*found)++; |
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} |
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return result; |
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} |
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//========================================================================
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// Read back framebuffer parameters from the context
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//========================================================================
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static void refreshContextParams(_GLFWwindow* window, EGLint fbconfigID) |
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{ |
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EGLint dummy; |
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EGLConfig fbconfig[_GLFW_EGL_CONFIG_IN]; |
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int attribs[] = { EGL_CONFIG_ID, fbconfigID, None }; |
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eglChooseConfig(_glfwLibrary.EGL.display, |
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attribs, |
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fbconfig, |
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_GLFW_EGL_CONFIG_IN, |
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&dummy); |
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if (!dummy) |
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{ |
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// This should never ever happen
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// TODO: Flag this as an error and propagate up
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_glfwSetError(GLFW_PLATFORM_ERROR, "X11/EGL: Cannot find known " |
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"EGLConfig by ID. This cannot " |
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"happen. Have a nice day.\n"); |
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abort(); |
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} |
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// There is no clear definition of an "accelerated" context on X11/EGL, and
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// true sounds better than false, so we hardcode true here
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window->accelerated = GL_TRUE; |
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window->redBits = getFBConfigAttrib(*fbconfig, EGL_RED_SIZE); |
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window->greenBits = getFBConfigAttrib(*fbconfig, EGL_GREEN_SIZE); |
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window->blueBits = getFBConfigAttrib(*fbconfig, EGL_BLUE_SIZE); |
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window->alphaBits = getFBConfigAttrib(*fbconfig, EGL_ALPHA_SIZE); |
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window->depthBits = getFBConfigAttrib(*fbconfig, EGL_DEPTH_SIZE); |
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window->stencilBits = getFBConfigAttrib(*fbconfig, EGL_STENCIL_SIZE); |
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// Get FSAA buffer sample count
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window->samples = getFBConfigAttrib(*fbconfig, EGL_SAMPLES); |
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} |
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//========================================================================
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// Create the actual OpenGL(|ES) context
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//========================================================================
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#define setEGLattrib(attribs, index, attribName, attribValue) \ |
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attribs[index++] = attribName; \
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attribs[index++] = attribValue; |
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static int createContext(_GLFWwindow* window, |
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const _GLFWwndconfig* wndconfig, |
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EGLint fbconfigID) |
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{ |
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int attribs[40], visMask; |
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EGLint dummy, index, vid = 0; |
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EGLint red_size, green_size, blue_size, alpha_size; |
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EGLConfig fbconfig[_GLFW_EGL_CONFIG_IN]; |
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EGLContext share = NULL; |
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XVisualInfo visTemplate; |
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if (wndconfig->share) |
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share = wndconfig->share->EGL.context; |
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// Retrieve the previously selected EGLConfig
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{ |
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index = 0; |
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setEGLattrib(attribs, index, EGL_CONFIG_ID, fbconfigID); |
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setEGLattrib(attribs, index, EGL_NONE, EGL_NONE); |
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eglChooseConfig(_glfwLibrary.EGL.display, |
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attribs, |
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fbconfig, |
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_GLFW_EGL_CONFIG_IN, |
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&dummy); |
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if (!dummy) |
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{ |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/EGL: Failed to retrieve the selected EGLConfig"); |
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return GL_FALSE; |
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} |
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} |
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// Retrieve the corresponding visual
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// NOTE: This is the only non-portable code in this file.
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// Maybe it would not hurt too much to add #ifdefs for different platforms?
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eglGetConfigAttrib(_glfwLibrary.EGL.display, *fbconfig, EGL_NATIVE_VISUAL_ID, &vid); |
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// Init visual template
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visTemplate.screen = _glfwLibrary.X11.screen; |
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visMask = VisualScreenMask; |
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if (vid != 0) |
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{ |
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// The X window visual must match the EGL config
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visTemplate.visualid = vid; |
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visMask |= VisualIDMask; |
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} |
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else |
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{ |
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// some EGL drivers don't implement the EGL_NATIVE_VISUAL_ID
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// attribute, so attempt to find the closest match.
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eglGetConfigAttrib(_glfwLibrary.EGL.display, *fbconfig, |
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EGL_RED_SIZE, &red_size); |
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eglGetConfigAttrib (_glfwLibrary.EGL.display, *fbconfig, |
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EGL_GREEN_SIZE, &green_size); |
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eglGetConfigAttrib (_glfwLibrary.EGL.display, *fbconfig, |
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EGL_BLUE_SIZE, &blue_size); |
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eglGetConfigAttrib (_glfwLibrary.EGL.display, *fbconfig, |
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EGL_ALPHA_SIZE, &alpha_size); |
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visTemplate.depth = red_size + green_size + blue_size + alpha_size; |
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visMask |= VisualDepthMask; |
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} |
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// Get X Visual
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window->EGL.visual = XGetVisualInfo(_glfwLibrary.X11.display, visMask, &visTemplate, &dummy); |
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if (window->EGL.visual == NULL) { |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/GLX: Failed to retrieve visual for EGLConfig"); |
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return GL_FALSE; |
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} |
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index = 0; |
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if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE) |
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{ |
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setEGLattrib(attribs, index, EGL_CONTEXT_CLIENT_VERSION, 2); |
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} |
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else |
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{ |
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setEGLattrib(attribs, index, EGL_CONTEXT_CLIENT_VERSION, 1); |
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} |
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setEGLattrib(attribs, index, EGL_NONE, EGL_NONE); |
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eglBindAPI(EGL_OPENGL_ES_API); |
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window->EGL.context = eglCreateContext(_glfwLibrary.EGL.display, *fbconfig, share, attribs); |
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if (window->EGL.context == EGL_NO_CONTEXT) |
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{ |
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// TODO: Handle all the various error codes here
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/EGL: Failed to create OpenGL(|ES) context"); |
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return GL_FALSE; |
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} |
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// store configuraion
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window->EGL.config = *fbconfig; |
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refreshContextParams(window, fbconfigID); |
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return GL_TRUE; |
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} |
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#undef setEGLattrib |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// Initialize EGL
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//========================================================================
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int _glfwInitOpenGL(void) |
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{ |
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#ifdef _GLFW_DLOPEN_LIBGL |
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int i; |
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char* libEGL_names[ ] = |
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{ |
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"libEGL.so", |
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"libEGL.so.1", |
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"/usr/lib/libEGL.so", |
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"/usr/lib/libEGL.so.1", |
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NULL |
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}; |
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for (i = 0; libEGL_names[i] != NULL; i++) |
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{ |
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_glfwLibrary.EGL.libEGL = dlopen(libEGL_names[i], RTLD_LAZY | RTLD_GLOBAL); |
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if (_glfwLibrary.EGL.libEGL) |
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break; |
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} |
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if (!_glfwLibrary.EGL.libEGL) |
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{ |
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_glfwSetError(GLFW_PLATFORM_ERROR, "X11/EGL: Failed to find libEGL"); |
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return GL_FALSE; |
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} |
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#endif |
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_glfwLibrary.EGL.display = eglGetDisplay((EGLNativeDisplayType)_glfwLibrary.X11.display); |
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if (_glfwLibrary.EGL.display == EGL_NO_DISPLAY) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/EGL: Failed to get EGL display"); |
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return GL_FALSE; |
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} |
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if (!eglInitialize(_glfwLibrary.EGL.display, |
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&_glfwLibrary.EGL.majorVersion, |
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&_glfwLibrary.EGL.minorVersion)) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/EGL: Failed to initialize EGL"); |
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return GL_FALSE; |
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} |
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return GL_TRUE; |
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} |
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//========================================================================
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// Terminate EGL
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//========================================================================
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void _glfwTerminateOpenGL(void) |
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{ |
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// Unload libEGL.so if necessary
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#ifdef _GLFW_DLOPEN_LIBGL |
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if (_glfwLibrary.EGL.libEGL != NULL) |
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{ |
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dlclose(_glfwLibrary.EGL.libEGL); |
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_glfwLibrary.EGL.libEGL = NULL; |
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} |
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#endif |
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eglTerminate(_glfwLibrary.EGL.display); |
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} |
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//========================================================================
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// Prepare for creation of the OpenGL context
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//========================================================================
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int _glfwCreateContext(_GLFWwindow* window, |
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const _GLFWwndconfig* wndconfig, |
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const _GLFWfbconfig* fbconfig) |
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{ |
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_GLFWfbconfig closest; |
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// Choose the best available fbconfig
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{ |
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unsigned int fbcount; |
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_GLFWfbconfig* fbconfigs; |
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const _GLFWfbconfig* result; |
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fbconfigs = getFBConfigs(window, wndconfig, &fbcount); |
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if (!fbconfigs) |
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{ |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/EGL: No usable EGLFBConfigs found"); |
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return GL_FALSE; |
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} |
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result = _glfwChooseFBConfig(fbconfig, fbconfigs, fbcount); |
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if (!result) |
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{ |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/EGL: No EGLFBConfig matched the criteria"); |
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free(fbconfigs); |
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return GL_FALSE; |
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} |
||||||
|
|
||||||
|
closest = *result; |
||||||
|
free(fbconfigs); |
||||||
|
} |
||||||
|
|
||||||
|
return createContext(window, wndconfig, closest.platformID); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Destroy the OpenGL context
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwDestroyContext(_GLFWwindow* window) |
||||||
|
{ |
||||||
|
if (window->EGL.visual) |
||||||
|
{ |
||||||
|
XFree(window->EGL.visual); |
||||||
|
window->EGL.visual = NULL; |
||||||
|
} |
||||||
|
|
||||||
|
if (window->EGL.surface) |
||||||
|
{ |
||||||
|
// Release and destroy the surface
|
||||||
|
eglDestroySurface(_glfwLibrary.EGL.display, window->EGL.surface); |
||||||
|
window->EGL.surface = EGL_NO_SURFACE; |
||||||
|
} |
||||||
|
|
||||||
|
if (window->EGL.context) |
||||||
|
{ |
||||||
|
// Release and destroy the context
|
||||||
|
eglDestroyContext(_glfwLibrary.EGL.display, window->EGL.context); |
||||||
|
window->EGL.context = EGL_NO_CONTEXT; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Return the X visual associated with the specified context
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window) |
||||||
|
{ |
||||||
|
return window->EGL.visual; |
||||||
|
} |
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Make the OpenGL context associated with the specified window current
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window) |
||||||
|
{ |
||||||
|
if (window) |
||||||
|
{ |
||||||
|
if (window->EGL.surface == EGL_NO_SURFACE) |
||||||
|
{ |
||||||
|
window->EGL.surface = eglCreateWindowSurface(_glfwLibrary.EGL.display, |
||||||
|
window->EGL.config, (EGLNativeWindowType)window->X11.handle, NULL); |
||||||
|
if (window->EGL.surface == EGL_NO_SURFACE) |
||||||
|
{ |
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR, |
||||||
|
"X11/EGL: Failed to create window surface"); |
||||||
|
} |
||||||
|
} |
||||||
|
eglMakeCurrent(_glfwLibrary.EGL.display, |
||||||
|
window->EGL.surface, |
||||||
|
window->EGL.surface, |
||||||
|
window->EGL.context); |
||||||
|
} |
||||||
|
else |
||||||
|
eglMakeCurrent(_glfwLibrary.EGL.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Swap OpenGL buffers
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwPlatformSwapBuffers(void) |
||||||
|
{ |
||||||
|
eglSwapBuffers(_glfwLibrary.EGL.display, |
||||||
|
_glfwLibrary.currentWindow->EGL.surface); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Set double buffering swap interval
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwPlatformSwapInterval(int interval) |
||||||
|
{ |
||||||
|
eglSwapInterval(_glfwLibrary.EGL.display, interval); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Check if an OpenGL extension is available at runtime
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
int _glfwPlatformExtensionSupported(const char* extension) |
||||||
|
{ |
||||||
|
const char* extensions; |
||||||
|
|
||||||
|
// Get list of GLX extensions
|
||||||
|
extensions = eglQueryString(_glfwLibrary.EGL.display, |
||||||
|
EGL_EXTENSIONS); |
||||||
|
if (extensions != NULL) |
||||||
|
{ |
||||||
|
if (_glfwStringInExtensionString(extension, (unsigned char*)extensions)) |
||||||
|
return GL_TRUE; |
||||||
|
} |
||||||
|
|
||||||
|
return GL_FALSE; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Get the function pointer to an OpenGL function
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
GLFWglproc _glfwPlatformGetProcAddress(const char* procname) |
||||||
|
{ |
||||||
|
return _glfw_eglGetProcAddress(procname); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Copies the specified OpenGL state categories from src to dst
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask) |
||||||
|
{ |
||||||
|
// AFAIK, EGL doesn't have this
|
||||||
|
} |
||||||
|
|
||||||
@ -0,0 +1,286 @@ |
|||||||
|
//========================================================================
|
||||||
|
// GLFW - An OpenGL library
|
||||||
|
// Platform: X11/EGL
|
||||||
|
// API version: 3.0
|
||||||
|
// WWW: http://www.glfw.org/
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Copyright (c) 2002-2006 Marcus Geelnard
|
||||||
|
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
|
||||||
|
//
|
||||||
|
// 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 _platform_h_ |
||||||
|
#define _platform_h_ |
||||||
|
|
||||||
|
#include <unistd.h> |
||||||
|
#include <signal.h> |
||||||
|
#include <stdint.h> |
||||||
|
#include <X11/Xlib.h> |
||||||
|
#include <X11/keysym.h> |
||||||
|
#include <X11/Xatom.h> |
||||||
|
#include <X11/Xutil.h> |
||||||
|
|
||||||
|
// Include EGL
|
||||||
|
#include <EGL/egl.h> |
||||||
|
|
||||||
|
// With XFree86, we can use the XF86VidMode extension
|
||||||
|
#if defined(_GLFW_HAS_XF86VIDMODE) |
||||||
|
#include <X11/extensions/xf86vmode.h> |
||||||
|
#endif |
||||||
|
|
||||||
|
#if defined(_GLFW_HAS_XRANDR) |
||||||
|
#include <X11/extensions/Xrandr.h> |
||||||
|
#endif |
||||||
|
|
||||||
|
// Do we have support for dlopen/dlsym?
|
||||||
|
#if defined(_GLFW_HAS_DLOPEN) |
||||||
|
#include <dlfcn.h> |
||||||
|
#endif |
||||||
|
|
||||||
|
// The Xkb extension provides improved keyboard support
|
||||||
|
#if defined(_GLFW_HAS_XKB) |
||||||
|
#include <X11/XKBlib.h> |
||||||
|
#endif |
||||||
|
|
||||||
|
// We support two different ways for getting addresses for EGL
|
||||||
|
// extension functions: eglGetProcAddress and dlsym
|
||||||
|
#if defined(_GLFW_HAS_EGLGETPROCADDRESS) |
||||||
|
#define _glfw_eglGetProcAddress(x) eglGetProcAddress(x) |
||||||
|
#elif defined(_GLFW_HAS_DLOPEN) |
||||||
|
#define _glfw_eglGetProcAddress(x) dlsym(_glfwLibrary.EGL.libEGL, x) |
||||||
|
#define _GLFW_DLOPEN_LIBEGL |
||||||
|
#else |
||||||
|
#error "No OpenGL entry point retrieval mechanism was enabled" |
||||||
|
#endif |
||||||
|
|
||||||
|
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 X11 |
||||||
|
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextEGL EGL |
||||||
|
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 X11 |
||||||
|
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL EGL |
||||||
|
|
||||||
|
// Clipboard format atom indices
|
||||||
|
#define _GLFW_CLIPBOARD_FORMAT_UTF8 0 |
||||||
|
#define _GLFW_CLIPBOARD_FORMAT_COMPOUND 1 |
||||||
|
#define _GLFW_CLIPBOARD_FORMAT_STRING 2 |
||||||
|
#define _GLFW_CLIPBOARD_FORMAT_COUNT 3 |
||||||
|
|
||||||
|
// Clipboard conversion status tokens
|
||||||
|
#define _GLFW_CONVERSION_INACTIVE 0 |
||||||
|
#define _GLFW_CONVERSION_SUCCEEDED 1 |
||||||
|
#define _GLFW_CONVERSION_FAILED 2 |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// GLFW platform specific types
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Pointer length integer
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
typedef intptr_t GLFWintptr; |
||||||
|
|
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Platform-specific OpenGL context structure
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
typedef struct _GLFWcontextEGL |
||||||
|
{ |
||||||
|
EGLConfig config; |
||||||
|
EGLContext context; |
||||||
|
EGLSurface surface; |
||||||
|
XVisualInfo* visual; |
||||||
|
} _GLFWcontextEGL; |
||||||
|
|
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Platform-specific window structure
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
typedef struct _GLFWwindowX11 |
||||||
|
{ |
||||||
|
// Platform specific window resources
|
||||||
|
Colormap colormap; // Window colormap
|
||||||
|
Window handle; // Window handle
|
||||||
|
|
||||||
|
// Various platform specific internal variables
|
||||||
|
GLboolean overrideRedirect; // True if window is OverrideRedirect
|
||||||
|
GLboolean keyboardGrabbed; // True if keyboard is currently grabbed
|
||||||
|
GLboolean cursorGrabbed; // True if cursor is currently grabbed
|
||||||
|
GLboolean cursorHidden; // True if cursor is currently hidden
|
||||||
|
GLboolean cursorCentered; // True if cursor was moved since last poll
|
||||||
|
int cursorPosX, cursorPosY; |
||||||
|
|
||||||
|
} _GLFWwindowX11; |
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Platform-specific library global data for X11
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
typedef struct _GLFWlibraryX11 |
||||||
|
{ |
||||||
|
Display* display; |
||||||
|
int screen; |
||||||
|
Window root; |
||||||
|
Cursor cursor; // Invisible cursor for hidden cursor
|
||||||
|
|
||||||
|
Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
|
||||||
|
Atom wmName; // _NET_WM_NAME atom
|
||||||
|
Atom wmIconName; // _NET_WM_ICON_NAME atom
|
||||||
|
Atom wmPing; // _NET_WM_PING atom
|
||||||
|
Atom wmState; // _NET_WM_STATE atom
|
||||||
|
Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
|
||||||
|
Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
|
||||||
|
|
||||||
|
// True if window manager supports EWMH
|
||||||
|
GLboolean hasEWMH; |
||||||
|
|
||||||
|
struct { |
||||||
|
GLboolean available; |
||||||
|
int eventBase; |
||||||
|
int errorBase; |
||||||
|
} VidMode; |
||||||
|
|
||||||
|
struct { |
||||||
|
GLboolean available; |
||||||
|
int eventBase; |
||||||
|
int errorBase; |
||||||
|
int majorVersion; |
||||||
|
int minorVersion; |
||||||
|
GLboolean gammaBroken; |
||||||
|
} RandR; |
||||||
|
|
||||||
|
struct { |
||||||
|
GLboolean available; |
||||||
|
int majorOpcode; |
||||||
|
int eventBase; |
||||||
|
int errorBase; |
||||||
|
int majorVersion; |
||||||
|
int minorVersion; |
||||||
|
} Xkb; |
||||||
|
|
||||||
|
// Key code LUT (mapping X11 key codes to GLFW key codes)
|
||||||
|
int keyCodeLUT[256]; |
||||||
|
|
||||||
|
// Screensaver data
|
||||||
|
struct { |
||||||
|
GLboolean changed; |
||||||
|
int timeout; |
||||||
|
int interval; |
||||||
|
int blanking; |
||||||
|
int exposure; |
||||||
|
} saver; |
||||||
|
|
||||||
|
// Fullscreen data
|
||||||
|
struct { |
||||||
|
GLboolean modeChanged; |
||||||
|
#if defined(_GLFW_HAS_XRANDR) |
||||||
|
SizeID oldSizeID; |
||||||
|
int oldWidth; |
||||||
|
int oldHeight; |
||||||
|
Rotation oldRotation; |
||||||
|
#endif /*_GLFW_HAS_XRANDR*/ |
||||||
|
#if defined(_GLFW_HAS_XF86VIDMODE) |
||||||
|
XF86VidModeModeInfo oldMode; |
||||||
|
#endif /*_GLFW_HAS_XF86VIDMODE*/ |
||||||
|
} FS; |
||||||
|
|
||||||
|
// Timer data
|
||||||
|
struct { |
||||||
|
GLboolean monotonic; |
||||||
|
double resolution; |
||||||
|
uint64_t base; |
||||||
|
} timer; |
||||||
|
|
||||||
|
// Selection data
|
||||||
|
struct { |
||||||
|
Atom atom; |
||||||
|
Atom formats[_GLFW_CLIPBOARD_FORMAT_COUNT]; |
||||||
|
char* string; |
||||||
|
Atom target; |
||||||
|
Atom targets; |
||||||
|
Atom property; |
||||||
|
int status; |
||||||
|
} selection; |
||||||
|
|
||||||
|
} _GLFWlibraryX11; |
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Platform-specific library global data for EGL
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
typedef struct _GLFWlibraryEGL |
||||||
|
{ |
||||||
|
EGLDisplay display; |
||||||
|
EGLint majorVersion, minorVersion; |
||||||
|
|
||||||
|
#if defined(_GLFW_DLOPEN_LIBEGL) |
||||||
|
void* libEGL; // dlopen handle for libEGL.so
|
||||||
|
#endif |
||||||
|
} _GLFWlibraryEGL; |
||||||
|
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
// Joystick information & state
|
||||||
|
//------------------------------------------------------------------------
|
||||||
|
GLFWGLOBAL struct { |
||||||
|
int Present; |
||||||
|
int fd; |
||||||
|
int NumAxes; |
||||||
|
int NumButtons; |
||||||
|
float* Axis; |
||||||
|
unsigned char* Button; |
||||||
|
} _glfwJoy[GLFW_JOYSTICK_LAST + 1]; |
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Prototypes for platform specific internal functions
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
// Time
|
||||||
|
void _glfwInitTimer(void); |
||||||
|
|
||||||
|
// OpenGL(|ES) support
|
||||||
|
int _glfwInitOpenGL(void); |
||||||
|
void _glfwTerminateOpenGL(void); |
||||||
|
int _glfwCreateContext(_GLFWwindow* window, |
||||||
|
const _GLFWwndconfig* wndconfig, |
||||||
|
const _GLFWfbconfig* fbconfig); |
||||||
|
void _glfwDestroyContext(_GLFWwindow* window); |
||||||
|
XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window); |
||||||
|
|
||||||
|
// Fullscreen support
|
||||||
|
int _glfwGetClosestVideoMode(int* width, int* height, int* rate); |
||||||
|
void _glfwSetVideoModeMODE(int mode, int rate); |
||||||
|
void _glfwSetVideoMode(int* width, int* height, int* rate); |
||||||
|
void _glfwRestoreVideoMode(void); |
||||||
|
|
||||||
|
// Joystick input
|
||||||
|
void _glfwInitJoysticks(void); |
||||||
|
void _glfwTerminateJoysticks(void); |
||||||
|
|
||||||
|
// Unicode support
|
||||||
|
long _glfwKeySym2Unicode(KeySym keysym); |
||||||
|
|
||||||
|
// Clipboard handling
|
||||||
|
GLboolean _glfwReadSelection(XSelectionEvent* request); |
||||||
|
Atom _glfwWriteSelection(XSelectionRequestEvent* request); |
||||||
|
|
||||||
|
// Event processing
|
||||||
|
void _glfwProcessPendingEvents(void); |
||||||
|
|
||||||
|
#endif // _platform_h_
|
||||||
Loading…
Reference in New Issue