bool query(char const *ext)
{
bool found = doQuery(ext);
LOGDEV_GL_VERBOSE("%s: %b") << ext << found;
return found;
}
void reconfigure()
{
if(!self.isReady() || size == Size()) return;
LOGDEV_GL_VERBOSE("Reconfiguring framebuffer: %s ms:%i")
<< size.asText() << sampleCount();
// Configure textures for the framebuffer.
color.setUndefinedImage(size, colorFormat);
color.setWrap(gl::ClampToEdge, gl::ClampToEdge);
color.setFilter(gl::Nearest, gl::Linear, gl::MipNone);
DENG2_ASSERT(color.isReady());
depthStencil.setDepthStencilContent(size);
depthStencil.setWrap(gl::ClampToEdge, gl::ClampToEdge);
depthStencil.setFilter(gl::Nearest, gl::Nearest, gl::MipNone);
DENG2_ASSERT(depthStencil.isReady());
try
{
// We'd like to use texture attachments for both color and depth/stencil.
target.configure(&color, &depthStencil);
}
catch(GLTarget::ConfigError const &er)
{
// Alternatively try without depth/stencil texture (some renderer features
// will not be available!).
LOG_GL_WARNING("Texture-based framebuffer failed: %s\n"
"Trying fallback without depth/stencil texture")
<< er.asText();
target.configure(GLTarget::Color, color, GLTarget::DepthStencil);
}
target.clear(GLTarget::ColorDepthStencil);
if(isMultisampled())
{
try
{
// Set up the multisampled target with suitable renderbuffers.
multisampleTarget.configure(size, GLTarget::ColorDepthStencil, sampleCount());
multisampleTarget.clear(GLTarget::ColorDepthStencil);
// Actual drawing occurs in the multisampled target that is then
// blitted to the main target.
target.setProxy(&multisampleTarget);
}
catch(GLTarget::ConfigError const &er)
{
LOG_GL_WARNING("Multisampling not supported: %s") << er.asText();
_samples = 1;
goto noMultisampling;
}
}
else
{
noMultisampling:
multisampleTarget.configure();
}
}
