summaryrefslogtreecommitdiff
path: root/source/modules/asura-core/graphics/texture.h
blob: 458e35aa111890726a4b9950848a24e813f436bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
#ifndef __ASURA_TEXTURE_H__
#define __ASURA_TEXTURE_H__

#include <asura-utils/math/vector2.hpp>
#include <asura-utils/math/rect.hpp>

#include "../core_config.h"

#include "render_state.h"
#include "gfx_device.h"

namespace_begin(AsuraEngine)
namespace_begin(Graphics)

class RenderTarget;

/// UV²ÉÑù·½Ê½
enum WrapMode
{
	WRAP_MODE_REPEAT,
	WRAP_MODE_MIRROR,
	WRAP_MODE_CLAMPTOEDGE,
	WRAP_MODE_CLAMPTOBORDER,
};

/// Â˲¨Ä£Ê½
enum FilterMode
{
	FILTER_MODE_NEAREST,
	FILTER_MODE_LINEAR,
};

/// ͼÏñÊý¾ÝµÄÑÕÉ«¸ñʽ
enum ColorFormat
{
	COLOR_FORMAT_UNKNOWN,
	COLOR_FORMAT_RGBA8,   ///< RGBA¶¼ÊÇ8bits int
	COLOR_FORMAT_RGBA32F, ///< RGBA¶¼ÊÇ32bits float
};

/// ÎÆÀí¸ñʽ£¬GPUÄÚ²¿ºÍCPUÍⲿ¸ñʽ
struct TextureFormat
{
	GLenum internalformat; ///< GPUÄÚ²¿¸ñʽ
	GLenum externalformat; ///< CPUÍⲿ¸ñʽ
	GLenum type;           ///< Íⲿ¸ñʽÿ¸öchannelÊýÖµÀàÐÍ
};

///
/// 2DÎÆÀí³éÏóÀ࣬ÔÚ2d meshºÍrender targetÖб»Ê¹Óá£TextureµÄäÖȾԭµãÔÚ×óÉϽǣ¬ÓÎÏ·ÀïÃæµÄÉϲã»áÒԵѿ¨¶û
/// ×ø±êϵΪ±ê×¼¡£ÔÚEditorÀïÃæ½çÃæºÍ×é¼þÒ²ÊÇÒÔ×óÉϽÇΪԭµã£¬ÕâÑùÊÇΪÁË·½±ã¡£
///
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();

	/// Èç¹ûÉèÖÃU»òV·½ÏòfilterΪ
	bool IsGenMipmap();

protected:

	/// ת»»color formatΪtexture 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