Changeset 8027 in orxonox.OLD for branches/water/src/lib/graphics/importer/material.cc

Timestamp:

May 31, 2006, 2:31:12 PM (19 years ago)

Author:

stefalie

Message:

water: renderToTexture

File:

• branches/water/src/lib/graphics/importer/material.cc (modified) (1 diff)

branches/water/src/lib/graphics/importer/material.cc

@@ -386 +386 @@
 }
 
+/**
+ * @brief renders viewport buffer (?? or another buffer ;-)) to a texture
+ * @param textureNumber select the texture unit that will be overwritten
+*/
+void Material::renderToTexture(unsigned int textureNumber, GLenum target, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
+{
+  glActiveTexture(Material::glTextureArbs[textureNumber]);
+  glEnable(GL_TEXTURE_2D);
+  glBindTexture(GL_TEXTURE_2D, this->textures[textureNumber].getTexture());
+  glCopyTexSubImage2D(target, 0, xoffset, yoffset, 0, 0, width, height);
+}
 
 /**
  * @brief Sets the Materials Ambient Map
- * @param aMap the Name of the Image to Use
-   @todo implement this
+ * @todo implement this
 */
 void Material::setAmbientMap(const std::string& aMap, GLenum target)