glfw/src/osmesa_context.h
Camilla Löwy 372e908682 Remove internal header inclusion guards
Inclusion of internal headers is already both centralized and follows
strict rules.  Inclusion guards are both an unneccessary maintenance
burden and may hide inclusion order bugs.
2017-05-25 19:35:13 +02:00

95 lines
3.7 KiB
C

//========================================================================
// GLFW 3.3 OSMesa - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2016 Google Inc.
// Copyright (c) 2006-2016 Camilla Löwy <elmindreda@glfw.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.
//
//========================================================================
#define OSMESA_RGBA 0x1908
#define OSMESA_FORMAT 0x22
#define OSMESA_DEPTH_BITS 0x30
#define OSMESA_STENCIL_BITS 0x31
#define OSMESA_ACCUM_BITS 0x32
#define OSMESA_PROFILE 0x33
#define OSMESA_CORE_PROFILE 0x34
#define OSMESA_COMPAT_PROFILE 0x35
#define OSMESA_CONTEXT_MAJOR_VERSION 0x36
#define OSMESA_CONTEXT_MINOR_VERSION 0x37
typedef void* OSMesaContext;
typedef void (*OSMESAproc)();
typedef OSMesaContext (GLAPIENTRY * PFN_OSMesaCreateContextExt)(GLenum,GLint,GLint,GLint,OSMesaContext);
typedef OSMesaContext (GLAPIENTRY * PFN_OSMesaCreateContextAttribs)(const int*,OSMesaContext);
typedef void (GLAPIENTRY * PFN_OSMesaDestroyContext)(OSMesaContext);
typedef int (GLAPIENTRY * PFN_OSMesaMakeCurrent)(OSMesaContext,void*,int,int,int);
typedef int (GLAPIENTRY * PFN_OSMesaGetColorBuffer)(OSMesaContext,int*,int*,int*,void**);
typedef int (GLAPIENTRY * PFN_OSMesaGetDepthBuffer)(OSMesaContext,int*,int*,int*,void**);
typedef GLFWglproc (GLAPIENTRY * PFN_OSMesaGetProcAddress)(const char*);
#define OSMesaCreateContextExt _glfw.osmesa.CreateContextExt
#define OSMesaCreateContextAttribs _glfw.osmesa.CreateContextAttribs
#define OSMesaDestroyContext _glfw.osmesa.DestroyContext
#define OSMesaMakeCurrent _glfw.osmesa.MakeCurrent
#define OSMesaGetColorBuffer _glfw.osmesa.GetColorBuffer
#define OSMesaGetDepthBuffer _glfw.osmesa.GetDepthBuffer
#define OSMesaGetProcAddress _glfw.osmesa.GetProcAddress
#define _GLFW_OSMESA_CONTEXT_STATE _GLFWcontextOSMesa osmesa
#define _GLFW_OSMESA_LIBRARY_CONTEXT_STATE _GLFWlibraryOSMesa osmesa
// OSMesa-specific per-context data
//
typedef struct _GLFWcontextOSMesa
{
OSMesaContext handle;
int width;
int height;
void* buffer;
} _GLFWcontextOSMesa;
// OSMesa-specific global data
//
typedef struct _GLFWlibraryOSMesa
{
void* handle;
PFN_OSMesaCreateContextExt CreateContextExt;
PFN_OSMesaCreateContextAttribs CreateContextAttribs;
PFN_OSMesaDestroyContext DestroyContext;
PFN_OSMesaMakeCurrent MakeCurrent;
PFN_OSMesaGetColorBuffer GetColorBuffer;
PFN_OSMesaGetDepthBuffer GetDepthBuffer;
PFN_OSMesaGetProcAddress GetProcAddress;
} _GLFWlibraryOSMesa;
GLFWbool _glfwInitOSMesa(void);
void _glfwTerminateOSMesa(void);
GLFWbool _glfwCreateContextOSMesa(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);