Improve OpenGL speed.

Use batch commands and not selecting already selected texture.

Signed-off-by: Jared Adams <jaxad0127@gmail.com>

1 files changed, 21 insertions, 2 deletions

diff --git a/src/openglgraphics.h b/src/openglgraphics.h
index 03738bfb..ee96e19c 100644
--- a/src/openglgraphics.h
+++ b/src/openglgraphics.h
@@ -22,8 +22,16 @@
 #ifndef OPENGLGRAPHICS_H
 #define OPENGLGRAPHICS_H
 
+#include "main.h"
+
 #include "graphics.h"
 
+#ifdef USE_OPENGL
+#define NO_SDL_GLEXT
+
+#include <SDL_opengl.h>
+#endif
+
 class OpenGLGraphics : public Graphics
 {
     public:
@@ -72,8 +80,8 @@ class OpenGLGraphics : public Graphics
          * Draw a pattern based on a rescaled version of the given image...
          */
         void drawRescaledImagePattern(Image *image,
-                               int x, int y, int w, int h,
-                               int scaledWidth, int scaledHeight);
+                                      int x, int y, int w, int h,
+                                      int scaledWidth, int scaledHeight);
 
         void updateScreen();
 
@@ -97,15 +105,26 @@ class OpenGLGraphics : public Graphics
 
         void setTargetPlane(int width, int height);
 
+        void drawQuadArrayfi(int size);
+
+        void drawQuadArrayii(int size);
+
         /**
          * Takes a screenshot and returns it as SDL surface.
          */
         SDL_Surface *getScreenshot();
 
+        static void bindTexture(GLenum target, GLuint texture);
+
+        static GLuint mLastImage;
+
     protected:
         void setTexturingAndBlending(bool enable);
 
     private:
+        GLfloat *mFloatTexArray;
+        GLint *mIntTexArray;
+        GLint *mIntVertArray;
         bool mAlpha, mTexture;
         bool mColorAlpha;
         bool mSync;