Changeset 8027 in orxonox.OLD

Timestamp:

May 31, 2006, 2:31:12 PM (18 years ago)

Author:

stefalie

Message:

water: renderToTexture

Location:

branches/water/src/lib/graphics/importer

Files:

• material.cc (modified) (1 diff)
• material.h (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)

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

@@ -58 +58 @@
     void setDiffuseMap(const std::string& dMap, GLenum target = GL_TEXTURE_2D, unsigned int textureNumber = 0);
     void setSDLDiffuseMap(SDL_Surface *surface, GLenum target = GL_TEXTURE_2D, unsigned int textureNumber = 0);
+    void renderToTexture(unsigned int textureNumber, GLenum target, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
 
     void setAmbientMap(const std::string& aMap, GLenum target = GL_TEXTURE_2D);