Files
directfb/lib/egl/util.cpp
Denis Oliver Kropp 40b60dd988 add debug, fix warnings
2013-10-14 21:46:03 +02:00

291 lines
7.3 KiB
C++

/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
extern "C" {
#include <direct/messages.h>
}
#include <direct/ToString.h>
#include <direct/Utils.h>
#include <egl/dfbegl.h>
#include <egl/dfbegl_int_names.h>
D_LOG_DOMAIN( DFBEGL_Util, "DFBEGL/Util", "DirectFB EGL Utility" );
static const DirectFBEGLIntNames( egl_ints );
template<>
ToString<DirectFB::EGL::EGLInt>::ToString( const DirectFB::EGL::EGLInt &egl_int )
{
Direct::String str;
DirectFB::EGL::EGLInt::Maps &maps = DirectFB::EGL::EGLInt::GetMaps();
if (Direct::MapLookup<DirectFB::EGL::EGLInt::ToStringMap>( maps.toString, egl_int.value, str )) {
Set( str );
return;
}
for (int i=0; egl_ints[i].value; i++) {
if (egl_int.value == egl_ints[i].value) {
PrintF( "%s", egl_ints[i].name );
DirectFB::EGL::EGLInt::Register( egl_int.value, egl_ints[i].name );
return;
}
}
PrintF( "_UNKNOWN_<0x%08x>", egl_int.value );
}
template<>
FromString<DirectFB::EGL::EGLInt>::FromString( DirectFB::EGL::EGLInt &egl_int, const Direct::String &string )
{
// DirectFB::EGL::EGLInt::Maps &maps = DirectFB::EGL::EGLInt::GetMaps();
// if (Direct::MapLookup<DirectFB::EGL::EGLInt::FromStringMap>( maps.fromString, string, egl_int.value )) {
// success = true;
// return;
// }
for (int i=0; egl_ints[i].value; i++) {
if (!strcmp( *string, egl_ints[i].name )) {
egl_int.value = egl_ints[i].value;
// DirectFB::EGL::EGLInt::Register( egl_int.value, egl_ints[i].name );
success = true;
return;
}
}
}
namespace DirectFB {
namespace EGL {
EGLInt::operator Direct::String ()
{
return ToString<EGLInt>( *this );
}
EGLInt::operator std::string ()
{
return ToString<EGLInt>( *this );
}
EGLInt::Maps &
EGLInt::GetMaps()
{
static Maps maps;
return maps;
}
void
EGLInt::Register( const EGLint &egl_int,
const Direct::String &egl_str )
{
D_DEBUG_AT( DFBEGL_Util, "EGLInt::%s( 0x%04x, '%s' )\n", __FUNCTION__, egl_int, *egl_str );
Maps &maps = GetMaps();
maps.toString[egl_int] = egl_str;
maps.fromString[egl_str] = egl_int;
}
Direct::String
Util::APIToString( EGLenum api, EGLint version )
{
D_DEBUG_AT( DFBEGL_Util, "EGL::Util::%s( api 0x%04x )\n", __FUNCTION__, api );
Direct::String egl_api;
switch (api) {
case EGL_OPENGL_ES_API:
egl_api = "OpenGL ES";
switch (version) {
case 1:
egl_api = "OpenGL ES";
break;
case 2:
egl_api = "OpenGL ES2";
break;
case 3:
egl_api = "OpenGL ES3";
break;
default:
D_ERROR( "DFBEGL/Util: Invalid OpenGL ES version %d!\n", version );
break;
}
break;
case EGL_OPENVG_API:
egl_api = "OpenVG";
break;
case EGL_OPENGL_API:
egl_api = "OpenGL";
break;
default:
D_ERROR( "DFBEGL/Util: Invalid api 0x%04x!\n", api );
break;
}
return egl_api;
}
EGLenum
Util::StringToAPI( const Direct::String &api )
{
D_DEBUG_AT( DFBEGL_Util, "EGL::Util::%s( '%s' )\n",
__FUNCTION__, *api );
if (api == "OpenGL ES")
return EGL_OPENGL_ES_API;
if (api == "OpenGL ES2")
return EGL_OPENGL_ES_API;
if (api == "OpenGL ES3")
return EGL_OPENGL_ES_API;
if (api == "OpenVG")
return EGL_OPENVG_API;
if (api == "OpenGL")
return EGL_OPENGL_API;
D_ERROR( "DFBEGL/Util: Invalid api '%s'!\n", *api );
return 0;
}
DFBResult
Util::GetOptions( Graphics::Options &options,
const EGLint *attrib_list )
{
D_DEBUG_AT( DFBEGL_Util, "EGL::Util::%s( attrib_list %p )\n", __FUNCTION__, attrib_list );
for (const EGLint *v=attrib_list; *v != EGL_NONE; v+=2) {
Option *option = new Option( v[0], v[1] );
D_DEBUG_AT( DFBEGL_Util, " -> %-20s : %s\n", *option->GetName(), *option->GetString() );
options.Add( option );
}
return DFB_OK;
}
DFBResult
Util::GetSurfaceAttribs( Graphics::Options &options,
std::vector<EGLint> &attribs )
{
D_DEBUG_AT( DFBEGL_Util, "EGL::Util::%s()\n", __FUNCTION__ );
for (Graphics::Options::const_iterator it=options.begin(); it!=options.end(); it++) {
Graphics::OptionBase *option = (*it).second;
D_DEBUG_AT( DFBEGL_Util, " -> %-20s : %s\n", *option->GetName(), *option->GetString() );
EGLInt v0, v1;
if (FromString<EGLInt>( v0, option->GetName() ) && FromString<EGLInt>( v1, option->GetString() )) {
D_DEBUG_AT( DFBEGL_Util, " => 0x%04x : 0x%04x\n", v0.value, v1.value );
attribs.push_back( v0.value );
attribs.push_back( v1.value );
}
}
return DFB_OK;
}
DFBResult
Util::GetSurfaceDescription( Graphics::Options &options,
DFBSurfaceDescription &desc )
{
long val = 0;
D_DEBUG_AT( DFBEGL_Util, "EGL::Util::%s()\n", __FUNCTION__ );
desc.flags = DSDESC_CAPS;
desc.caps = DSCAPS_FLIPPING;
if (options.Get<long>( "WIDTH", val )) {
D_DEBUG_AT( DFBEGL_Util, " -> WIDTH %ld\n", val );
D_FLAGS_SET( desc.flags, DSDESC_WIDTH );
desc.width = val;
}
if (options.Get<long>( "HEIGHT", val )) {
D_DEBUG_AT( DFBEGL_Util, " -> HEIGHT %ld\n", val );
D_FLAGS_SET( desc.flags, DSDESC_HEIGHT );
desc.height = val;
}
if (options.Get<long>( "VG_ALPHA_FORMAT", val )) {
D_DEBUG_AT( DFBEGL_Util, " -> VG_ALPHA_FORMAT %ld\n", val );
if (val != EGL_ALPHA_FORMAT_NONPRE)
D_FLAGS_SET( desc.caps, DSCAPS_PREMULTIPLIED );
}
return DFB_OK;
}
}
}