Пример #1
0
void GFXGLCubemap::fillCubeTextures(GFXTexHandle* faces)
{
   AssertFatal( faces, "");
   AssertFatal( faces[0]->mMipLevels > 0, "");

   PRESERVE_CUBEMAP_TEXTURE();
   glBindTexture(GL_TEXTURE_CUBE_MAP, mCubemap);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, faces[0]->mMipLevels - 1 );
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
   
   U32 reqWidth = faces[0]->getWidth();
   U32 reqHeight = faces[0]->getHeight();
   GFXFormat regFaceFormat = faces[0]->getFormat();
   const bool isCompressed = isCompressedFormat(regFaceFormat);
   mWidth = reqWidth;
   mHeight = reqHeight;
   mFaceFormat = regFaceFormat;
   mMipLevels = getMax( (U32)1, faces[0]->mMipLevels);
   AssertFatal(reqWidth == reqHeight, "GFXGLCubemap::fillCubeTextures - Width and height must be equal!");
   
   for(U32 i = 0; i < 6; i++)
   {
      AssertFatal(faces[i], avar("GFXGLCubemap::fillCubeFaces - texture %i is NULL!", i));
      AssertFatal((faces[i]->getWidth() == reqWidth) && (faces[i]->getHeight() == reqHeight), "GFXGLCubemap::fillCubeFaces - All textures must have identical dimensions!");
      AssertFatal(faces[i]->getFormat() == regFaceFormat, "GFXGLCubemap::fillCubeFaces - All textures must have identical formats!");
      
      mTextures[i] = faces[i];
      GFXFormat faceFormat = faces[i]->getFormat();

        GFXGLTextureObject* glTex = static_cast<GFXGLTextureObject*>(faces[i].getPointer());
        if( isCompressed )
        {
            for( U32 mip = 0; mip < mMipLevels; ++mip )
            {
                const U32 mipWidth  = getMax( U32(1), faces[i]->getWidth() >> mip );
                const U32 mipHeight = getMax( U32(1), faces[i]->getHeight() >> mip );
                const U32 mipDataSize = getCompressedSurfaceSize( mFaceFormat, mWidth, mHeight, mip );

                U8* buf = glTex->getTextureData( mip );
                glCompressedTexImage2D(faceList[i], mip, GFXGLTextureInternalFormat[mFaceFormat], mipWidth, mipHeight, 0, mipDataSize, buf);
                delete[] buf;
            }
        }
        else
        {
            U8* buf = glTex->getTextureData();
            glTexImage2D(faceList[i], 0, GFXGLTextureInternalFormat[faceFormat], mWidth, mHeight, 
                0, GFXGLTextureFormat[faceFormat], GFXGLTextureType[faceFormat], buf);
            delete[] buf;
        }
   }
void GFXGLCubemap::fillCubeTextures(GFXTexHandle* faces)
{
   PRESERVE_CUBEMAP_TEXTURE();
   glBindTexture(GL_TEXTURE_CUBE_MAP, mCubemap);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, 0 ); // TODO OPENGL GFXGLCubemap mipmaps
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
   
   U32 reqWidth = faces[0]->getWidth();
   U32 reqHeight = faces[0]->getHeight();
   GFXFormat regFaceFormat = faces[0]->getFormat();
   mWidth = reqWidth;
   mHeight = reqHeight;
   mFaceFormat = regFaceFormat;
   mMipLevels = 1; // Lie for now
   AssertFatal(reqWidth == reqHeight, "GFXGLCubemap::fillCubeTextures - Width and height must be equal!");
   
   for(U32 i = 0; i < 6; i++)
   {
      AssertFatal(faces[i], avar("GFXGLCubemap::fillCubeFaces - texture %i is NULL!", i));
      AssertFatal((faces[i]->getWidth() == reqWidth) && (faces[i]->getHeight() == reqHeight), "GFXGLCubemap::fillCubeFaces - All textures must have identical dimensions!");
      AssertFatal(faces[i]->getFormat() == regFaceFormat, "GFXGLCubemap::fillCubeFaces - All textures must have identical formats!");
      
      mTextures[i] = faces[i];
      GFXFormat faceFormat = faces[i]->getFormat();

      GFXGLTextureObject* glTex = static_cast<GFXGLTextureObject*>(faces[i].getPointer());
      U8* buf = glTex->getTextureData();
      glTexImage2D(faceList[i], 0, GFXGLTextureInternalFormat[faceFormat], faces[i]->getWidth(), faces[i]->getHeight(), 
         0, GFXGLTextureFormat[faceFormat], GFXGLTextureType[faceFormat], buf);
      delete[] buf;
   }
}