GENERATE_MIPMAP = 32,
COMPARE = 64,
COMPARE_FUNC = 128,
- MAX_ANISOTROPY = 256
+ MAX_ANISOTROPY = 256,
+ FORMAT_SWIZZLE = 512
+ };
+
+ enum FormatSwizzle
+ {
+ NO_SWIZZLE,
+ R_TO_LUMINANCE,
+ RG_TO_LUMINANCE_ALPHA
};
unsigned id;
GLenum target;
+ PixelFormat ifmt;
+ FormatSwizzle swizzle;
TextureFilter min_filter;
TextureFilter mag_filter;
float max_anisotropy;
Predicate cmp_func;
mutable int dirty_params;
+ static int swizzle_orders[];
+
Texture(GLenum, ResourceManager * = 0);
Texture(const Texture &);
Texture &operator=(const Texture &);
protected:
static DataType get_alloc_type(PixelFormat);
+ void set_internal_format(PixelFormat);
+ PixelFormat get_upload_format(PixelFormat) const;
void update_parameter(int) const;
void set_parameter_i(GLenum, int) const;
void set_wrap_t(TextureWrap);
void set_wrap_r(TextureWrap);
+ static bool can_generate_mipmap();
+
/** Sets automatic mipmap generation. If enabled, mipmaps are generated
when a texture image is uploaded. */
void set_generate_mipmap(bool);
GLenum get_target() const { return target; }
unsigned get_id() const { return id; }
- void bind() const { bind_to(0); }
- void bind_to(unsigned) const;
+ void bind(bool legacy = true) const { bind_to(0, legacy); }
+ void bind_to(unsigned, bool = true) const;
static const Texture *current(unsigned = 0);
static void unbind() { unbind_from(0); }
static void unbind_from(unsigned);
+private:
+ static bool is_legacy_target(GLenum);
+public:
virtual UInt64 get_data_size() const { return 0; }
};