Remove support for array size specialization from the engine as well

[libs/gl.git] / source / core / texture2d.h

diff --git a/source/core/texture2d.h b/source/core/texture2d.h
index eba553b00c27089e44300424166afee3f8a6b54b..61a3f29f035c99b31dc5fc48cceff853ec3fbab8 100644 (file)
--- a/source/core/texture2d.h
+++ b/source/core/texture2d.h
@@ -2,20 +2,19 @@
 #define MSP_GL_TEXTURE2D_H_
 
 #include <string>
-#include <msp/graphics/image.h>
 #include <msp/linal/vector.h>
-#include "texture.h"
+#include "texture2d_backend.h"
 
 namespace Msp {
 namespace GL {
 
 /**
-Two-dimensional texture.  Consists of an array of texels in the shape of a
-rectangle.  Texture coordinate have a range of [0, 1].  Coordinates outside of
-this range are subject to wrapping.  This is the most common type of texture.
+Two-dimensional texture, consisting of a rectangular array of texels.
 */
-class Texture2D: public Texture
+class Texture2D: public Texture2DBackend
 {
+       friend Texture2DBackend;
+
 public:
        class Loader: public Msp::DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>
        {
@@ -25,50 +24,32 @@ public:
        private:
                void init();
 
-               void raw_data(const std::string &);
                void storage(PixelFormat, unsigned, unsigned);
                void storage_levels(PixelFormat, unsigned, unsigned, unsigned);
        };
 
 private:
-       class AsyncLoader;
-
-       unsigned width;
-       unsigned height;
-       unsigned levels;
+       unsigned width = 0;
+       unsigned height = 0;
+       unsigned levels = 0;
 
 public:
-       Texture2D(ResourceManager * = 0);
        virtual ~Texture2D();
 
-       /** Defines storage structure for the texture.  If lv is zero, the number
-       of mipmap levels is automatically determined from storage dimensions.
-
-       Must be called before an image can be uploaded.  Once storage is defined,
-       it can't be changed. */
-       void storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned lv = 0);
-
-       /** Updates the contents of the entire texture.  Storage must be defined
-       beforehand.  The image data must have dimensions and format matching the
-       defined storage. */
-       virtual void image(unsigned level, const void *data);
+       /** Sets storage format and dimensions and allocates memory for the texture.
+       If lv is zero, a complete mipmap pyramid is automatically created.  Storage
+       cannot be changed once set. */
+       void storage(PixelFormat, unsigned wd, unsigned ht, unsigned lv = 0);
 
-       /** Updates a rectangular region of the texture.  Storage must be defined
-       beforehand.  The image data must be in a format mathing the defined storage
-       and the update region must be fully inside the texture. */
-       void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, const void *data);
+       void image(unsigned level, const void *) override;
 
-       /** Updates the contents of the entire texture from an image.  If storage
-       has not been defined, it will be set to match the image.  Otherwise the
-       image must match the defined storage. */
-       virtual void image(const Graphics::Image &, unsigned lv = 0);
+       /** Replaces a rectangular region of the texture.  Allocated storage must
+       exist.  The image data is interpreted according to the storage format and
+       the region must be fully inside the selected mipmap level. */
+       void sub_image(unsigned level, unsigned x, unsigned y, unsigned wd, unsigned ht, const void *);
 
-       using Texture::image;
+       virtual void image(const Graphics::Image &, unsigned = 0);
 
-private:
-       void image(const Graphics::Image &, unsigned, bool);
-
-public:
        unsigned get_width() const { return width; }
        unsigned get_height() const { return height; }
 
@@ -78,8 +59,8 @@ private:
 
 public:
        virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);
-       virtual std::uint64_t get_data_size() const;
-       virtual void unload();
+       virtual std::size_t get_data_size() const;
+       using Texture2DBackend::unload;
 };
 
 } // namespace GL