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);