X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fsampler.cpp;h=6658ef9ac75d05a8b1016a84afb6847404b196d7;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hp=ffd7762568f665baf551808558a3231ca8ba93fe;hpb=9b3bce7ae76ff8c0c81315d2505ea96bf422a318;p=libs%2Fgl.git

diff --git a/source/core/sampler.cpp b/source/core/sampler.cpp
index ffd77625..6658ef9a 100644
--- a/source/core/sampler.cpp
+++ b/source/core/sampler.cpp
@@ -1,61 +1,15 @@
-#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, cmp_func);
-	}
-
+	SamplerBackend::update(dirty_params);
 	dirty_params = 0;
 }
 
@@ -81,10 +35,9 @@ void Sampler::set_max_anisotropy(float a)
 {
 	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;
 }
 
@@ -92,8 +45,7 @@ void Sampler::set_wrap(TextureWrap w)
 {
 	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)
@@ -110,7 +62,6 @@ void Sampler::set_wrap_t(TextureWrap w)
 
 void Sampler::set_wrap_r(TextureWrap w)
 {
-	static Require _req(EXT_texture3D);
 	wrap_r = w;
 	dirty_params |= WRAP_R;
 }
@@ -129,22 +80,11 @@ void Sampler::disable_compare()
 
 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)