src/client/GLEXT/GLStateExtension.h

   1 ////////////////////////////////////////////////////////////////////////////////
   2 //    Scorched3D (c) 2000-2003
   3 //
   4 //    This file is part of Scorched3D.
   5 //
   6 //    Scorched3D is free software; you can redistribute it and/or modify
   7 //    it under the terms of the GNU General Public License as published by
   8 //    the Free Software Foundation; either version 2 of the License, or
   9 //    (at your option) any later version.
  10 //
  11 //    Scorched3D is distributed in the hope that it will be useful,
  12 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //    GNU General Public License for more details.
  15 //
  16 //    You should have received a copy of the GNU General Public License
  17 //    along with Scorched3D; if not, write to the Free Software
  18 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ////////////////////////////////////////////////////////////////////////////////
  20
  21 #if !defined(__INCLUDE_GLStateExtensionh_INCLUDE__)
  22 #define __INCLUDE_GLStateExtensionh_INCLUDE__
  23
  24 #include <GLEXT/GLState.h>
  25
  26 class GLStateExtension
  27 {
  28 public:
  29         static void setup(); // Setup and check for each extension
  30
  31         // Use VBO
  32         static bool hasVBO() { return hasVBO_; }
  33         static int getMaxElementVertices() { return maxElementVertices_; }
  34         static int getMaxElementIndices() { return maxElementIndices_; }
  35         // Use MultiTex
  36         static bool hasMultiTex() { return hasMultiTex_; }
  37         // Use framebuffers
  38         static bool hasFBO() { return hasFBO_; }
  39         // User drawrangeelements
  40         static bool hasDrawRangeElements() { return hasDrawRangeElements_; }
  41         // Use tex sub image extension?
  42         static bool getNoTexSubImage() { return noTexSubImage_; }
  43         // Use cube map extension?
  44         static bool hasCubeMap() { return hasCubeMap_; }
  45         // Use sphere map extension?
  46         static bool hasSphereMap() { return hasSphereMap_; }
  47         // Use hardware mipmap extension?
  48         static bool hasHardwareMipmaps() { return hasHardwareMipmaps_; }
  49         // Use env combine
  50         static bool hasEnvCombine() { return envCombine_; }
  51         // How many texture units
  52         static int getTextureUnits() { return textureUnits_; }
  53         // Use FrameBuffer extension
  54         static bool hasHardwareShadows() { return hasHardwareShadows_; }
  55         // Use glBlendColorEXT
  56         static bool hasBlendColor() { return hasBlendColor_; }
  57         // Use shaders
  58         static bool hasShaders() { return hasShaders_; }
  59
  60 protected:
  61         static bool envCombine_;
  62         static bool multiTexDisabled_;
  63         static bool hasVBO_;
  64         static bool hasFBO_;
  65         static bool hasShaders_;
  66         static int textureUnits_;
  67         static int maxElementVertices_;
  68         static int maxElementIndices_;
  69         static bool hasCubeMap_;
  70         static bool hasSphereMap_;
  71         static bool hasHardwareMipmaps_;
  72         static bool noTexSubImage_;
  73         static bool hasHardwareShadows_;
  74         static bool hasBlendColor_;
  75         static bool hasMultiTex_;
  76         static bool hasDrawRangeElements_;
  77
  78 private:
  79         GLStateExtension();
  80         ~GLStateExtension();
  81 };
  82
  83
  84 #endif