arch/all-hosted/libs/hostgl/hostgl_glagetconfig.c

   1 /*
   2     Copyright 2011-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include "hostgl_ctx_manager.h"
   7 #include "hostgl_types.h"
   8 #include <proto/exec.h>
   9
  10 /*****************************************************************************
  11
  12     NAME */
  13
  14       void glAGetConfig(
  15
  16 /*  SYNOPSIS */
  17       GLAContext ctx,
  18       GLenum pname,
  19       GLint * params)
  20
  21 /*  FUNCTION
  22
  23         Gets value of selected parameter
  24
  25     INPUTS
  26
  27         pname - enum value of parameter
  28
  29         params - pointer to integer where the value is to be put
  30
  31     RESULT
  32
  33         None
  34
  35     BUGS
  36
  37     INTERNALS
  38
  39     HISTORY
  40
  41 *****************************************************************************/
  42 {
  43     struct hostgl_context *_ctx = (struct hostgl_context *)ctx;
  44     Display * dpy = NULL;
  45
  46     if (_ctx == NULL)
  47     {
  48         *params = -1;
  49         return;
  50     }
  51
  52     HostGL_Lock();
  53     HostGL_UpdateGlobalGLXContext();
  54
  55     dpy = HostGL_GetGlobalX11Display();
  56
  57     switch(pname)
  58     {
  59         case GL_RED_BITS:
  60             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_RED_SIZE, params);
  61             break;
  62         case GL_GREEN_BITS:
  63             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_GREEN_SIZE, params);
  64             break;
  65         case GL_BLUE_BITS:
  66             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_BLUE_SIZE, params);
  67             break;
  68         case GL_ALPHA_BITS:
  69             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_ALPHA_SIZE, params);
  70             break;
  71         case GL_DOUBLEBUFFER:
  72             *params = 1;
  73             break;
  74         case GL_DEPTH_BITS:
  75             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_DEPTH_SIZE, params);
  76             break;
  77         case GL_STENCIL_BITS:
  78             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_STENCIL_SIZE, params);
  79             break;
  80         case GL_ACCUM_RED_BITS:
  81             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_ACCUM_RED_SIZE, params);
  82             break;
  83         case GL_ACCUM_GREEN_BITS:
  84             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_ACCUM_GREEN_SIZE, params);
  85             break;
  86         case GL_ACCUM_BLUE_BITS:
  87             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_ACCUM_BLUE_SIZE, params);
  88             break;
  89         case GL_ACCUM_ALPHA_BITS:
  90             GLXCALL(glXGetFBConfigAttrib, dpy, _ctx->framebuffer->fbconfigs[0], GLX_ACCUM_ALPHA_SIZE, params);
  91             break;
  92         case GL_STEREO:
  93             *params = 0;
  94             break;
  95         default:
  96             *params = -1;
  97     }
  98
  99     HostGL_UnLock();
 100 }
 101
 102