X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fsampler.h;h=bd8db31fdc8f9601f5ac2ac55e9762cead38fef4;hb=160e9eea29bd10034733d59507fa1bcca36be401;hp=79aea8f8b76621f6ed9f5e5f44d0df08bf84aa0d;hpb=96bbfddc653826ee9848c468c53bca024711a6c3;p=libs%2Fgl.git

diff --git a/source/core/sampler.h b/source/core/sampler.h
index 79aea8f8..bd8db31f 100644
--- a/source/core/sampler.h
+++ b/source/core/sampler.h
@@ -3,8 +3,8 @@
 
 #include <msp/datafile/objectloader.h>
 #include "color.h"
-#include "gl.h"
 #include "predicate.h"
+#include "sampler_backend.h"
 
 namespace Msp {
 namespace GL {
@@ -12,42 +12,40 @@ namespace GL {
 enum TextureFilter
 {
 	/// No filtering
-	NEAREST = GL_NEAREST,
+	NEAREST,
 
 	/// Bilinear filtering
-	LINEAR = GL_LINEAR,
+	LINEAR,
 
 	/// Mipmapping without filtering
-	NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST,
+	NEAREST_MIPMAP_NEAREST,
 
 	/// Linear filtering between two mipmap levels
-	NEAREST_MIPMAP_LINEAR = GL_NEAREST_MIPMAP_LINEAR,
+	NEAREST_MIPMAP_LINEAR,
 
 	/// Bilinear filtering on the closest mipmap level
-	LINEAR_MIPMAP_NEAREST = GL_LINEAR_MIPMAP_NEAREST,
+	LINEAR_MIPMAP_NEAREST,
 
 	/// Trilinear filtering between two mipmap levels
-	LINEAR_MIPMAP_LINEAR = GL_LINEAR_MIPMAP_LINEAR
+	LINEAR_MIPMAP_LINEAR
 };
 
 
 enum TextureWrap
 {
 	/// Tile the texture infinitely
-	REPEAT = GL_REPEAT,
+	REPEAT,
 
 	/// Extend the texels at the edge of the texture to infinity
-	CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE,
+	CLAMP_TO_EDGE,
 
 	/// Sampling outside the texture will return border color
-	CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER,
+	CLAMP_TO_BORDER,
 
 	/// Tile the texture, with every other repetition mirrored
-	MIRRORED_REPEAT = GL_MIRRORED_REPEAT
+	MIRRORED_REPEAT
 };
 
-class Texture;
-
 
 /**
 Samplers are used to access texture data in shaders.  To use a sampler with a
@@ -63,8 +61,10 @@ for magnification and NEAREST_MIPMAP_LINEAR for minification.
 If texture coordinates fall outside of the principal range of the texture,
 wrapping is applied.  The default for all directions is REPEAT.
 */
-class Sampler
+class Sampler: public SamplerBackend
 {
+	friend SamplerBackend;
+
 public:
 	class Loader: public DataFile::ObjectLoader<Sampler>
 	{
@@ -98,8 +98,6 @@ private:
 		COMPARE = 128
 	};
 
-	unsigned id;
-	const Texture *owner;
 	TextureFilter min_filter;
 	TextureFilter mag_filter;
 	float max_anisotropy;
@@ -113,14 +111,9 @@ private:
 
 public:
 	Sampler();
-	Sampler(const Texture &);
-private:
-	void init();
 
-	void update_parameter(int) const;
-	void set_parameter_i(unsigned, int) const;
-	void set_parameter_f(unsigned, float) const;
-	void set_parameter_fv(unsigned, const float *) const;
+private:
+	void update() const;
 
 public:
 	void set_min_filter(TextureFilter);
@@ -158,14 +151,9 @@ public:
 	bool is_compare_enabled() const { return compare; }
 	Predicate get_compare_function() const { return cmp_func; }
 
-	void bind() const { bind_to(0); }
-	void bind_to(unsigned) const;
-
-	static const Sampler *current(unsigned = 0);
-	static void unbind() { unbind_from(0); }
-	static void unbind_from(unsigned);
+	void refresh() const { if(dirty_params) update(); }
 
-	void unload();
+	using SamplerBackend::set_debug_name;
 };