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
102
103
104
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SMF_RENDERSTATE_H
#define SMF_RENDERSTATE_H
#include "Map/MapDrawPassTypes.h"
#include <stddef.h> //required for NULL
class CSMFGroundDrawer;
struct ISkyLight;
namespace Shader {
struct IProgramObject;
}
struct ISMFRenderState {
public:
static ISMFRenderState* GetInstance(bool haveARB, bool haveGLSL);
static void FreeInstance(ISMFRenderState* state) { delete state; }
virtual ~ISMFRenderState() {}
virtual bool Init(const CSMFGroundDrawer* smfGroundDrawer) = 0;
virtual void Kill() = 0;
virtual bool CanEnable(const CSMFGroundDrawer* smfGroundDrawer) const = 0;
virtual bool CanDrawDeferred() const { return false; }
virtual void Enable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass) = 0;
virtual void Disable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass) = 0;
virtual void SetSquareTexGen(const int sqx, const int sqy) const = 0;
virtual void SetCurrentShader(const DrawPass::e& drawPass) = 0;
virtual void UpdateCurrentShader(const ISkyLight* skyLight) const = 0;
};
struct SMFRenderStateFFP: public ISMFRenderState {
public:
bool Init(const CSMFGroundDrawer* smfGroundDrawer) { return false; }
void Kill() {}
bool CanEnable(const CSMFGroundDrawer* smfGroundDrawer) const;
void Enable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void Disable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void SetSquareTexGen(const int sqx, const int sqy) const;
void SetCurrentShader(const DrawPass::e& drawPass) {}
void UpdateCurrentShader(const ISkyLight* skyLight) const {}
};
struct SMFRenderStateARB: public ISMFRenderState {
public:
bool Init(const CSMFGroundDrawer* smfGroundDrawer);
void Kill();
bool CanEnable(const CSMFGroundDrawer* smfGroundDrawer) const;
void Enable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void Disable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void SetSquareTexGen(const int sqx, const int sqy) const;
void SetCurrentShader(const DrawPass::e& drawPass);
void UpdateCurrentShader(const ISkyLight* skyLight) const;
enum {
ARB_SHADER_DEFAULT = 0,
ARB_SHADER_REFLECT = 1,
ARB_SHADER_REFRACT = 2,
ARB_SHADER_CURRENT = 3,
ARB_SHADER_COUNT = 4,
};
private:
// [0] := default (V+F) SMF ARB shader
// [1] := shader (V+F) for the DynamicWater reflection pass
// [2] := shader (V+F) for the DynamicWater refraction pass
// [3] := currently active ARB shader {0, 1, 2}
Shader::IProgramObject* arbShaders[ARB_SHADER_COUNT];
};
struct SMFRenderStateGLSL: public ISMFRenderState {
public:
bool Init(const CSMFGroundDrawer* smfGroundDrawer);
void Kill();
bool CanEnable(const CSMFGroundDrawer* smfGroundDrawer) const;
bool CanDrawDeferred() const { return true; }
void Enable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void Disable(const CSMFGroundDrawer* smfGroundDrawer, const DrawPass::e& drawPass);
void SetSquareTexGen(const int sqx, const int sqy) const;
void SetCurrentShader(const DrawPass::e& drawPass);
void UpdateCurrentShader(const ISkyLight* skyLight) const;
enum {
GLSL_SHADER_STANDARD = 0,
GLSL_SHADER_DEFERRED = 1,
GLSL_SHADER_CURRENT = 2,
GLSL_SHADER_COUNT = 3,
};
private:
// [0] := standard version
// [1] := deferred version (not used unless AllowDeferredMapRendering)
// [2] := currently active GLSL shader {0, 1}
Shader::IProgramObject* glslShaders[GLSL_SHADER_COUNT];
};
#endif
|
