chromium/third_party/dawn/third_party/glfw/src/egl_context.c

//========================================================================
// GLFW 3.5 EGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2019 Camilla Löwy <[email protected]>
//
// 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"

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>


// Return a description of the specified EGL error
//
static const char* getEGLErrorString(EGLint error)
{ … }

// Returns the specified attribute of the specified EGLConfig
//
static int getEGLConfigAttrib(EGLConfig config, int attrib)
{ … }

// Return the EGLConfig most closely matching the specified hints
//
static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig,
                                const _GLFWfbconfig* fbconfig,
                                EGLConfig* result)
{ … }

static void makeContextCurrentEGL(_GLFWwindow* window)
{ … }

static void swapBuffersEGL(_GLFWwindow* window)
{ … }

static void swapIntervalEGL(int interval)
{ … }

static int extensionSupportedEGL(const char* extension)
{ … }

static GLFWglproc getProcAddressEGL(const char* procname)
{ … }

static void destroyContextEGL(_GLFWwindow* window)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                       GLFW internal API                      //////
//////////////////////////////////////////////////////////////////////////

// Initialize EGL
//
GLFWbool _glfwInitEGL(void)
{ … }

// Terminate EGL
//
void _glfwTerminateEGL(void)
{ … }

#define SET_ATTRIB …

// Create the OpenGL or OpenGL ES context
//
GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
                               const _GLFWctxconfig* ctxconfig,
                               const _GLFWfbconfig* fbconfig)
{ … }

#undef SET_ATTRIB

// Returns the Visual and depth of the chosen EGLConfig
//
#if defined(_GLFW_X11)
GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig,
                              const _GLFWctxconfig* ctxconfig,
                              const _GLFWfbconfig* fbconfig,
                              Visual** visual, int* depth)
{ … }
#endif // _GLFW_X11


//////////////////////////////////////////////////////////////////////////
//////                        GLFW native API                       //////
//////////////////////////////////////////////////////////////////////////

GLFWAPI EGLDisplay glfwGetEGLDisplay(void)
{ … }

GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle)
{ … }

GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle)
{ … }