Method PrepareTextureInitialContents

renderdoc/driver/gl/gl_initstate.cpp:605–977

}

void GLResourceManager::PrepareTextureInitialContents(ResourceId id, GLResource res)
{
  WrappedOpenGL::TextureData &details = m_Driver->m_Textures[id];

  GLInitialContents initContents;

  initContents.type = eResTexture;

  TextureStateInitialData &state = initContents.tex;

  state.internalformat = details.internalFormat;
  state.isView = details.view;
  state.width = details.width;
  state.height = details.height;
  state.depth = details.depth;
  state.samples = details.samples;
  state.dim = details.dimension;
  state.type = details.curType;
  state.mips = 1;

  if(details.internalFormat == eGL_NONE)
  {
    // textures can get here as GL_NONE if they were created and dirtied (by setting lots of
    // texture parameters) without ever having storage allocated (via glTexStorage or glTexImage).
    // in that case, just ignore as we won't bother with the initial states.
  }
  else if(details.curType != eGL_TEXTURE_BUFFER)
  {
    GLenum binding = TextureBinding(details.curType);

    state.mips = GetNumMips(details.curType, res.name, details.width, details.height, details.depth);

    bool ms = (details.curType == eGL_TEXTURE_2D_MULTISAMPLE ||
               details.curType == eGL_TEXTURE_2D_MULTISAMPLE_ARRAY);

    state.depthMode = eGL_NONE;
    if(IsDepthStencilFormat(details.internalFormat))
    {
      if(HasExt[ARB_stencil_texturing])
        GL.glGetTextureParameterivEXT(res.name, details.curType, eGL_DEPTH_STENCIL_TEXTURE_MODE,
                                      (GLint *)&state.depthMode);
      else
        state.depthMode = eGL_DEPTH_COMPONENT;
    }

    state.seamless = GL_FALSE;
    if((details.curType == eGL_TEXTURE_CUBE_MAP || details.curType == eGL_TEXTURE_CUBE_MAP_ARRAY) &&
       HasExt[ARB_seamless_cubemap_per_texture])
      GL.glGetTextureParameterivEXT(res.name, details.curType, eGL_TEXTURE_CUBE_MAP_SEAMLESS,
                                    (GLint *)&state.seamless);

    if(details.curType != eGL_TEXTURE_RECTANGLE)
    {
      GL.glGetTextureParameterivEXT(res.name, details.curType, eGL_TEXTURE_BASE_LEVEL,
                                    (GLint *)&state.baseLevel);
      GL.glGetTextureParameterivEXT(res.name, details.curType, eGL_TEXTURE_MAX_LEVEL,
                                    (GLint *)&state.maxLevel);
    }