X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ftexture.h;fp=src%2Ftexture.h;h=e39efe02b50a8ab8ec711c1eed68ac970f8516f0;hb=84320a4b92c1922cd40bd7ce3d942d19cc704bd2;hp=0000000000000000000000000000000000000000;hpb=dd39621d642e417f1e343cbf813205a658272639;p=vrfileman

diff --git a/src/texture.h b/src/texture.h
new file mode 100644
index 0000000..e39efe0
--- /dev/null
+++ b/src/texture.h
@@ -0,0 +1,88 @@
+#ifndef TEXTURE_H_
+#define TEXTURE_H_
+
+#include "opengl.h"
+
+class Image;
+
+enum TextureType {
+	TEXTURE_2D,
+	TEXTURE_CUBE
+};
+
+class Texture {
+protected:
+	unsigned int id;
+	unsigned int target;
+	unsigned int texfmt;
+	int sz[3];
+
+	Texture(const Texture &tex) {}
+	Texture &operator =(const Texture &tex) {
+		return *this;
+	}
+
+public:
+	Texture();
+	virtual ~Texture();
+
+	virtual TextureType get_type() const = 0;
+
+	void set_wrapping(unsigned int wrap);
+	void set_filtering(unsigned int filt);
+	void set_filtering(unsigned int min_filt, unsigned int mag_filt);
+
+	unsigned int get_format() const;
+
+	virtual int get_size(int dim) const;
+
+	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA) = 0;
+	virtual void set_image(const Image &img, int idx = 0) = 0;
+	virtual void get_image(Image *img, int idx = 0) const = 0;
+
+	virtual bool load(const char *fname) = 0;
+	virtual bool save(const char *fname) const = 0;
+
+	virtual unsigned int get_id() const;
+
+	virtual void bind(int tex_unit = 0) const;
+};
+
+class Texture2D : public Texture {
+public:
+	Texture2D();
+
+	virtual TextureType get_type() const;
+
+	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
+	virtual void set_image(const Image &img, int idx = 0);
+	virtual void get_image(Image *img, int idx = 0) const;
+
+	virtual void set_subimage(const Image &img, int xoffs, int yoffs);
+
+	virtual bool load(const char *fname);
+	virtual bool save(const char *fname) const;
+};
+
+class TextureCube : public Texture {
+public:
+	TextureCube();
+
+	virtual TextureType get_type() const;
+
+	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
+	virtual void set_image(const Image &img, int idx = 0);
+	virtual void get_image(Image *img, int idx = 0) const;
+
+	virtual bool load(const char *fname);
+	virtual bool save(const char *fname) const;
+};
+
+void bind_texture(Texture *tex, int tunit = 0);
+
+/** loads a texture autodetecting whether it's a 2D texture or
+ * cubemap and creating the correct Texture subclass instance.
+ */
+Texture *load_texture(const char *fname);
+
+#endif	// TEXTURE_H_