Changeset 6129 in orxonox.OLD for branches/network/src/lib/graphics

Timestamp:

Dec 16, 2005, 2:01:16 PM (19 years ago)

Author:

patrick

Message:

network: read some stuff about textures, extending the texture class. not yet finished

Location:

branches/network/src/lib/graphics/importer

Files:

• texture.cc (modified) (4 diffs)
• texture.h (modified) (2 diffs)

branches/network/src/lib/graphics/importer/texture.cc

@@ -37 +37 @@
   this->texture = 0;
   this->image = NULL;
+  this->priority = 0.5;
 
   if (imageName != NULL)
@@ -251 +252 @@
   glGenTextures(1, &texture);
   glBindTexture(GL_TEXTURE_2D, texture);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, /*GL_LINEAR*/ GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, /*GL_LINEAR*/ GL_LINEAR);
+  /* control the mipmap levels */
+  glTexParameterf(GL_TEXTURE_ENV, GL_TEXTURE_MIN_LOD, -100);
+  glTexParameterf(GL_TEXTURE_ENV, GL_TEXTURE_MAX_LOD, 0);
+  glTexParameterf(GL_TEXTURE_ENV, GL_TEXTURE_PRIORITY, this->priority);
+
   // build the Texture
   glTexImage2D(GL_TEXTURE_2D,
@@ -262 +269 @@
                GL_UNSIGNED_BYTE,
                surface->pixels);
-  // build the MipMaps
+
+  // build the MipMaps automaticaly
   gluBuild2DMipmaps(GL_TEXTURE_2D,
                     GL_RGBA,
@@ -273 +281 @@
   return texture;
 }
+

branches/network/src/lib/graphics/importer/texture.h

@@ -39 +39 @@
 
       // Utility functionality:
-      static SDL_Surface* prepareSurface(SDL_Surface* input, bool& hasAlpha);
-      static GLuint loadTexToGL (const SDL_Surface* surface);
+      SDL_Surface* prepareSurface(SDL_Surface* input, bool& hasAlpha);
+      GLuint loadTexToGL (const SDL_Surface* surface);
 
     protected:
@@ -53 +53 @@
       bool             bAlpha;             //!< if the texture has an alpha channel.
       SDL_Surface*     image;              //!< The SDL_Surfce that stores the Texture on it.
+      GLclampf         priority;           //!< the priority of the current texture (used for garphics cards with limited mem)
 
       static bool      texturesEnabled;    //!< If the Textures are enabled.