-#include <msp/gl/extensions/arb_direct_state_access.h>
-#include <msp/gl/extensions/arb_sampler_objects.h>
-#include <msp/gl/extensions/arb_shadow.h>
-#include <msp/gl/extensions/ext_texture_filter_anisotropic.h>
-#include <msp/gl/extensions/ext_texture3d.h>
-#include <msp/gl/extensions/khr_debug.h>
#include <msp/strings/format.h>
#include "error.h"
#include "sampler.h"
-#include "texture.h"
using namespace std;
namespace Msp {
namespace GL {
-Sampler::Sampler():
- min_filter(NEAREST_MIPMAP_LINEAR),
- mag_filter(LINEAR),
- max_anisotropy(1.0f),
- wrap_s(REPEAT),
- wrap_t(REPEAT),
- wrap_r(REPEAT),
- border_color(Color(0.0f, 0.0f, 0.0f, 0.0f)),
- compare(false),
- cmp_func(LEQUAL),
- dirty_params(0)
-{
- Require _req(ARB_sampler_objects);
- if(ARB_direct_state_access)
- glCreateSamplers(1, &id);
- else
- glGenSamplers(1, &id);
-}
-
void Sampler::update() const
{
- if(dirty_params&MIN_FILTER)
- glSamplerParameteri(id, GL_TEXTURE_MIN_FILTER, min_filter);
- if(dirty_params&MAG_FILTER)
- glSamplerParameteri(id, GL_TEXTURE_MAG_FILTER, mag_filter);
- if(dirty_params&MAX_ANISOTROPY)
- glSamplerParameterf(id, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy);
- if(dirty_params&WRAP_S)
- glSamplerParameteri(id, GL_TEXTURE_WRAP_S, wrap_s);
- if(dirty_params&WRAP_T)
- glSamplerParameteri(id, GL_TEXTURE_WRAP_T, wrap_t);
- if(dirty_params&WRAP_R)
- glSamplerParameteri(id, GL_TEXTURE_WRAP_R, wrap_r);
- if(dirty_params&BORDER_COLOR)
- glSamplerParameterfv(id, GL_TEXTURE_BORDER_COLOR, &border_color.r);
- if(dirty_params&COMPARE)
- {
- glSamplerParameteri(id, GL_TEXTURE_COMPARE_MODE, (compare ? GL_COMPARE_R_TO_TEXTURE : GL_NONE));
- if(compare)
- glSamplerParameteri(id, GL_TEXTURE_COMPARE_FUNC, get_gl_predicate(cmp_func));
- }
-
+ SamplerBackend::update(dirty_params);
dirty_params = 0;
}
{
if(a<1.0f)
throw invalid_argument("Sampler::set_max_anisotropy");
- else if(a>1.0f)
- static Require _req(EXT_texture_filter_anisotropic);
+ bool supported = check_anisotropic(a>1.0f);
max_anisotropy = a;
- if(EXT_texture_filter_anisotropic)
+ if(supported)
dirty_params |= MAX_ANISOTROPY;
}
{
set_wrap_s(w);
set_wrap_t(w);
- if(EXT_texture3D)
- set_wrap_r(w);
+ set_wrap_r(w);
}
void Sampler::set_wrap_s(TextureWrap w)
void Sampler::set_wrap_r(TextureWrap w)
{
- static Require _req(EXT_texture3D);
wrap_r = w;
dirty_params |= WRAP_R;
}
void Sampler::set_compare(Predicate f)
{
- static Require _req(ARB_shadow);
compare = true;
cmp_func = f;
dirty_params |= COMPARE;
}
-void Sampler::set_debug_name(const string &name)
-{
-#ifdef DEBUG
- if(id && KHR_debug)
- glObjectLabel(GL_SAMPLER, id, name.size(), name.c_str());
-#else
- (void)name;
-#endif
-}
-
Sampler::Loader::Loader(Sampler &s):
DataFile::ObjectLoader<Sampler>(s)