From 0c391fdbce5a079cf03e483eb6174dd47806163d Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 7 Aug 2019 21:08:47 +0800
Subject: *misc

---
 Source/modules/asura-core/Graphics/Texture.h | 101 +++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 Source/modules/asura-core/Graphics/Texture.h

(limited to 'Source/modules/asura-core/Graphics/Texture.h')

diff --git a/Source/modules/asura-core/Graphics/Texture.h b/Source/modules/asura-core/Graphics/Texture.h
new file mode 100644
index 0000000..76b9a8f
--- /dev/null
+++ b/Source/modules/asura-core/Graphics/Texture.h
@@ -0,0 +1,101 @@
+#ifndef _ASURA_TEXTURE_H_
+#define _ASURA_TEXTURE_H_
+
+#include <asura-base/Math/Vector2.hpp>
+#include <asura-base/Math/Rect.hpp>
+
+#include "../CoreConfig.h"
+
+#include "RenderState.h"
+#include "GfxDevice.h"
+
+namespace_begin(AsuraEngine)
+namespace_begin(Graphics)
+
+class RenderTarget;
+
+/// UV采样方式
+enum WrapMode
+{
+	WRAP_MODE_REPEAT,
+	WRAP_MODE_MIRROR,
+	WRAP_MODE_CLAMPTOEDGE,
+	WRAP_MODE_CLAMPTOBORDER,
+};
+
+/// 滤波模式
+enum FilterMode
+{
+	FILTER_MODE_NEAREST,
+	FILTER_MODE_LINEAR,
+};
+
+/// 图像数据的颜色格式
+enum ColorFormat
+{
+	COLOR_FORMAT_UNKNOWN,
+	COLOR_FORMAT_RGBA8,   ///< RGBA都是8bits int
+	COLOR_FORMAT_RGBA32F, ///< RGBA都是32bits float
+};
+
+/// 纹理格式，GPU内部和CPU外部格式
+struct TextureFormat
+{
+	GLenum internalformat; ///< GPU内部格式
+	GLenum externalformat; ///< CPU外部格式
+	GLenum type;           ///< 外部格式每个channel数值类型
+};
+
+///
+/// 2D纹理抽象类，在2d mesh和render target中被使用。Texture的渲染原点在左上角，游戏里面的上层会以笛卡尔
+/// 坐标系为标准。在Editor里面界面和组件也是以左上角为原点，这样是为了方便。
+///
+ASURA_ABSTRACT class Texture : public AEScripting::Object
+{
+public:
+
+	LUAX_DECL_ABSTRACT_FACTORY(Texture);
+
+	Texture();
+	virtual ~Texture();
+
+	GLuint GetGLTexture() const;
+
+	void SetFilterMode(FilterMode min, FilterMode mag);
+	void SetWrapMode(WrapMode wrapMode);
+
+	void GetFilterMode();
+	void GetWrapMode();
+
+	/// 如果设置U或V方向filter为
+	bool IsGenMipmap();
+
+protected:
+
+	/// 转换color format为texture format。
+	TextureFormat ConvertColorFormat(const ColorFormat& colorformat);
+
+	GLuint     m_TexID;
+	FilterMode m_MinFilter;
+	FilterMode m_MagFilter;
+	WrapMode   m_WrapMode;
+	bool       m_IsGenMipmap;
+
+	LUAX_DECL_ENUM(ColorFormat, 1);
+	LUAX_DECL_ENUM(FilterMode, 1);
+	LUAX_DECL_ENUM(WrapMode, 1);
+
+	LUAX_DECL_METHOD(_SetFilterMode);
+	LUAX_DECL_METHOD(_SetWrapMode);
+	LUAX_DECL_METHOD(_GetFilterMode);
+	LUAX_DECL_METHOD(_GetWrapMode);
+	LUAX_DECL_METHOD(_IsGenMipmap);
+
+};
+
+typedef Texture Drawable;
+
+namespace_end
+namespace_end
+
+#endif
\ No newline at end of file
-- 
cgit v1.1-26-g67d0