X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture.cpp;h=3bd1df67068123a256b7ff7b8067c71f8ff7a1ca;hb=ae9abd6be3e556d0a202cc5ab05668da715382c9;hp=7ae1a2c2c5bda0e171e6f2ad171646afac48eab5;hpb=3d6188a7f48566398e7ad7548dbd47a68bc73bdc;p=libs%2Fgl.git

diff --git a/source/texture.cpp b/source/texture.cpp
index 7ae1a2c2..3bd1df67 100644
--- a/source/texture.cpp
+++ b/source/texture.cpp
@@ -1,3 +1,5 @@
+#include <msp/gl/extensions/ext_texture_filter_anisotropic.h>
+#include <msp/gl/extensions/sgis_generate_mipmap.h>
 #include <msp/strings/format.h>
 #include "error.h"
 #include "texture.h"
@@ -68,6 +70,8 @@ void Texture::update_parameter(int mask) const
 			glTexParameteri(target, GL_TEXTURE_MIN_FILTER, min_filter);
 		if(mask&MAG_FILTER)
 			glTexParameteri(target, GL_TEXTURE_MAG_FILTER, mag_filter);
+		if(mask&MAX_ANISOTROPY)
+			glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy);
 		if(mask&WRAP_S)
 			glTexParameteri(target, GL_TEXTURE_WRAP_S, wrap_s);
 		if(mask&WRAP_T)
@@ -97,6 +101,16 @@ void Texture::set_mag_filter(TextureFilter f)
 	update_parameter(MAG_FILTER);
 }
 
+void Texture::set_max_anisotropy(float a)
+{
+	if(a<1.0f)
+		throw invalid_argument("Texture::set_max_anisotropy");
+	else if(a>1.0f)
+		static Require _req(EXT_texture_filter_anisotropic);
+	max_anisotropy = a;
+	update_parameter(MAX_ANISOTROPY);
+}
+
 void Texture::set_wrap(TextureWrap w)
 {
 	set_wrap_s(w);
@@ -124,6 +138,8 @@ void Texture::set_wrap_r(TextureWrap w)
 
 void Texture::set_generate_mipmap(bool gm)
 {
+	if(gm)
+		static Require _req(SGIS_generate_mipmap);
 	gen_mipmap = gm;
 	update_parameter(GENERATE_MIPMAP);
 }
@@ -193,6 +209,7 @@ void Texture::unbind_from(unsigned i)
 Texture::Loader::Loader(Texture &t):
 	DataFile::ObjectLoader<Texture>(t)
 {
+	add("max_anisotropy", &Loader::max_anisotropy);
 	add("generate_mipmap", &Loader::generate_mipmap);
 	add("mag_filter", &Loader::mag_filter);
 	add("min_filter", &Loader::min_filter);
@@ -212,6 +229,11 @@ void Texture::Loader::mag_filter(TextureFilter f)
 	obj.set_mag_filter(f);
 }
 
+void Texture::Loader::max_anisotropy(float a)
+{
+	obj.set_max_anisotropy(a);
+}
+
 void Texture::Loader::min_filter(TextureFilter f)
 {
 	obj.set_min_filter(f);