Add files

Kinc/Backends/Graphics4/G4onG5/Sources/kinc/backend/graphics4/texture.h

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+#pragma once
+
+#include <kinc/graphics5/texture.h>
+#include <kinc/graphics5/textureunit.h>
+#include <kinc/image.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+	kinc_g5_texture_unit_t _unit;
+} kinc_g4_texture_unit_impl_t;
+
+typedef struct {
+	/*TextureImpl();
+	TextureImpl(int width, int height, Image::Format format, bool readable);
+	TextureImpl(int width, int height, int depth, Image::Format format, bool readable);
+	~TextureImpl();
+	void unmipmap();
+	void unset();*/
+
+	kinc_g5_texture_t _texture;
+	bool _uploaded;
+} kinc_g4_texture_impl_t;
+
+#ifdef __cplusplus
+}
+#endif