#include <msp/gl/extensions/arb_direct_state_access.h>
#include <msp/gl/extensions/ext_framebuffer_multisample.h>
#include <msp/gl/extensions/ext_framebuffer_object.h>
+#include "misc.h"
#include "renderbuffer.h"
+using namespace std;
+
namespace Msp {
namespace GL {
glDeleteRenderbuffers(1, &id);
}
+PixelFormat Renderbuffer::normalize_format(PixelFormat fmt)
+{
+ if(!get_component_size(fmt) && OES_required_internalformat)
+ return get_default_sized_pixelformat(fmt);
+
+ return fmt;
+}
+
void Renderbuffer::storage(PixelFormat fmt, unsigned wd, unsigned ht)
{
+ fmt = normalize_format(fmt);
require_pixelformat(fmt);
width = wd;
height = ht;
}
}
+unsigned Renderbuffer::get_max_samples()
+{
+ static unsigned max_samples = (EXT_framebuffer_multisample ? get_i(GL_MAX_SAMPLES) : 0);
+ return max_samples;
+}
+
void Renderbuffer::storage_multisample(unsigned samples, PixelFormat fmt, unsigned wd, unsigned ht)
{
+ if(!samples)
+ return storage(fmt, wd, ht);
+
static Require _req(EXT_framebuffer_multisample);
+ if(samples>get_max_samples())
+ throw out_of_range("Renderbuffer::storage_multisample");
+
+ fmt = normalize_format(fmt);
require_pixelformat(fmt);
width = wd;