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
|
#pragma once
#include "drape/graphics_context.hpp"
#include "drape/hw_texture.hpp"
#include "drape/pointers.hpp"
#include "drape/texture_types.hpp"
#include "geometry/rect2d.hpp"
#include "base/macros.hpp"
#include <cstdint>
namespace dp
{
class Texture
{
public:
enum class ResourceType : uint8_t
{
Symbol,
Glyph,
StipplePen,
Color,
Static
};
class Key
{
public:
virtual ~Key() = default;
virtual ResourceType GetType() const = 0;
};
class ResourceInfo
{
public:
explicit ResourceInfo(m2::RectF const & texRect);
virtual ~ResourceInfo() = default;
virtual ResourceType GetType() const = 0;
m2::RectF const & GetTexRect() const;
private:
m2::RectF m_texRect;
};
Texture() = default;
virtual ~Texture();
virtual ref_ptr<ResourceInfo> FindResource(Key const & key, bool & newResource) = 0;
virtual void UpdateState(ref_ptr<dp::GraphicsContext> context) {}
virtual bool HasEnoughSpace(uint32_t /* newKeysCount */) const { return true; }
using Params = HWTexture::Params;
virtual TextureFormat GetFormat() const;
virtual uint32_t GetWidth() const;
virtual uint32_t GetHeight() const;
virtual float GetS(uint32_t x) const;
virtual float GetT(uint32_t y) const;
virtual uint32_t GetID() const;
virtual void Bind(ref_ptr<dp::GraphicsContext> context) const;
// Texture must be bound before calling this method.
virtual void SetFilter(TextureFilter filter);
virtual void Create(ref_ptr<dp::GraphicsContext> context, Params const & params);
virtual void Create(ref_ptr<dp::GraphicsContext> context, Params const & params,
ref_ptr<void> data);
void UploadData(ref_ptr<dp::GraphicsContext> context, uint32_t x, uint32_t y,
uint32_t width, uint32_t height, ref_ptr<void> data);
ref_ptr<HWTexture> GetHardwareTexture() const;
static bool IsPowerOfTwo(uint32_t width, uint32_t height);
protected:
void Destroy();
bool AllocateTexture(ref_ptr<dp::GraphicsContext> context,
ref_ptr<HWTextureAllocator> allocator);
drape_ptr<HWTexture> m_hwTexture;
DISALLOW_COPY_AND_MOVE(Texture);
};
} // namespace dp
|
