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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
// This code contains NVIDIA Confidential Information and is disclosed
// under the Mutual Non-Disclosure Agreement.
//
// Notice
// ALL NVIDIA DESIGN SPECIFICATIONS AND CODE ("MATERIALS") ARE PROVIDED "AS IS" NVIDIA MAKES
// NO REPRESENTATIONS, WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
//
// NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. No third party distribution is allowed unless
// expressly authorized by NVIDIA. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright � 2008- 2013 NVIDIA Corporation. All rights reserved.
//
// NVIDIA Corporation and its licensors retain all intellectual property and proprietary
// rights in and to this software and related documentation and any modifications thereto.
// Any use, reproduction, disclosure or distribution of this software and related
// documentation without an express license agreement from NVIDIA Corporation is
// strictly prohibited.
//
#ifndef _OCEAN_SMOKE_H
#define _OCEAN_SMOKE_H
#include <D3DX11Effect.h>
struct OceanEnvironment;
class OceanPSM;
class CBaseCamera;
class OceanPSMParams;
class OceanSmoke
{
public:
OceanSmoke();
~OceanSmoke();
HRESULT init( ID3D11ShaderResourceView* pSmokeTexture,
int num_particles,
float emit_rate,
float particle_begin_size,
float particle_end_size,
float emit_min_velocity,
float emit_max_velocity,
float emit_spread,
float wind_drag,
float min_buoyancy,
float max_buoyancy,
float cooling_rate,
const D3DXVECTOR2& emitAreaScale,
float psm_bounds_fade_margin,
float shadow_opacity_multiplier,
const D3DXVECTOR3& tint_color,
float wind_noise_spatial_scale,
float wind_noise_time_scale
);
// Particles are emitted over a unit x-y disk centred on the origin
void updateSimulation( ID3D11DeviceContext* pDC,
const CBaseCamera& camera,
FLOAT time_delta,
const D3DXMATRIX& emitterMatrix,
const D3DXVECTOR3& wind_vector,
const FLOAT wind_noise,
FLOAT emit_rate_scale
);
void renderToScene( ID3D11DeviceContext* pDC,
const CBaseCamera& camera,
OceanPSM* pPSM,
const OceanEnvironment& ocean_env
);
void renderToPSM( ID3D11DeviceContext* pDC,
OceanPSM* pPSM,
const OceanEnvironment& ocean_env
);
private:
void renderParticles(ID3D11DeviceContext* pDC, ID3DX11EffectTechnique* pTech);
void depthSortParticles(ID3D11DeviceContext* pDC);
void setDepthSortConstants( UINT iLevel, UINT iLevelMask, UINT iWidth, UINT iHeight );
ID3DX11Effect* m_pFX;
ID3DX11EffectTechnique* m_pRenderToSceneTechnique;
ID3DX11EffectTechnique* m_pRenderToPSMTechnique;
ID3DX11EffectTechnique* m_pEmitParticlesTechnique;
ID3DX11EffectTechnique* m_pSimulateParticlesTechnique;
ID3DX11EffectTechnique* m_pBitonicSortTechnique;
ID3DX11EffectTechnique* m_pMatrixTransposeTechnique;
// Generic simulation/emit/sort params
ID3DX11EffectScalarVariable* m_pParticleIndexOffsetVariable;
ID3DX11EffectScalarVariable* m_pParticleCountVariable;
ID3DX11EffectScalarVariable* m_pTimeStepVariable;
ID3DX11EffectScalarVariable* m_pPreRollEndTimeVariable;
ID3DX11EffectVectorVariable* m_pBuoyancyParamsVariable;
ID3DX11EffectScalarVariable* m_pNoiseTimeVariable;
ID3DX11EffectUnorderedAccessViewVariable* m_pParticleDepthSortUAVVariable;
ID3DX11EffectShaderResourceVariable* m_pParticleDepthSortSRVVariable;
// Emit params
ID3DX11EffectUnorderedAccessViewVariable* m_pSimulationInstanceDataVariable;
ID3DX11EffectUnorderedAccessViewVariable* m_pSimulationVelocitiesVariable;
ID3DX11EffectShaderResourceVariable* m_pRandomUVVariable;
ID3DX11EffectScalarVariable* m_pRandomOffsetVariable;
ID3DX11EffectMatrixVariable* m_pCurrEmitterMatrixVariable;
ID3DX11EffectMatrixVariable* m_pPrevEmitterMatrixVariable;
ID3DX11EffectVectorVariable* m_pEmitInterpScaleAndOffsetVariable;
ID3DX11EffectVectorVariable* m_pEmitMinMaxVelocityAndSpreadVariable;
ID3DX11EffectVectorVariable* m_pEmitAreaScaleVariable;
// Sim params
ID3DX11EffectScalarVariable* m_pWindDragVariable;
ID3DX11EffectVectorVariable* m_pWindVectorAndNoiseMultVariable;
// Rendering params
ID3DX11EffectShaderResourceVariable* m_pTexDiffuseVariable;
ID3DX11EffectShaderResourceVariable* m_pRenderInstanceDataVariable;
ID3DX11EffectMatrixVariable* m_pMatProjVariable;
ID3DX11EffectMatrixVariable* m_pMatViewVariable;
ID3DX11EffectVectorVariable* m_pLightDirectionVariable;
ID3DX11EffectVectorVariable* m_pLightColorVariable;
ID3DX11EffectVectorVariable* m_pAmbientColorVariable;
ID3DX11EffectScalarVariable* m_pFogExponentVariable;
ID3DX11EffectVectorVariable* m_pParticleBeginEndScaleVariable;
ID3DX11EffectScalarVariable* m_pInvParticleLifeTimeVariable;
ID3DX11EffectVectorVariable* m_pLightningPositionVariable;
ID3DX11EffectVectorVariable* m_pLightningColorVariable;
// Noise params
ID3DX11EffectShaderResourceVariable* m_ppermTextureVariable;
ID3DX11EffectShaderResourceVariable* m_pgradTexture4dVariable;
// PSM params
ID3DX11EffectMatrixVariable* m_pMatViewToPSMVariable;
OceanPSMParams* m_pPSMParams;
// Depth sort params
ID3DX11EffectScalarVariable* m_piDepthSortLevelVariable;
ID3DX11EffectScalarVariable* m_piDepthSortLevelMaskVariable;
ID3DX11EffectScalarVariable* m_piDepthSortWidthVariable;
ID3DX11EffectScalarVariable* m_piDepthSortHeightVariable;
// D3D resources
ID3D11Device* m_pd3dDevice;
ID3D11ShaderResourceView* m_pSmokeTextureSRV;
ID3D11ShaderResourceView* m_pRandomUVSRV;
ID3D11ShaderResourceView* m_pRenderInstanceDataSRV;
ID3D11UnorderedAccessView* m_pSimulationInstanceDataUAV;
ID3D11UnorderedAccessView* m_pSimulationVelocitiesUAV;
ID3D11ShaderResourceView* m_ppermTextureSRV;
ID3D11ShaderResourceView* m_pgradTexture4dSRV;
ID3D11ShaderResourceView* m_pDepthSort1SRV;
ID3D11UnorderedAccessView* m_pDepthSort1UAV;
ID3D11ShaderResourceView* m_pDepthSort2SRV;
ID3D11UnorderedAccessView* m_pDepthSort2UAV;
int m_MaxNumParticles;
int m_ActiveNumParticles;
int m_NumDepthSortParticles;
int m_EmitParticleIndex;
int m_EmitParticleRandomOffset;
float m_EmitMinVelocity;
float m_EmitMaxVelocity;
float m_EmitSpread;
float m_ParticleBeginSize;
float m_ParticleEndSize;
float m_NominalEmitRate;
float m_ActualEmitRate;
float m_TimeToNextEmit;
float m_WindDrag;
float m_MinBuoyancy;
float m_MaxBuoyancy;
float m_CoolingRate;
float m_NoiseTime;
D3DXVECTOR2 m_EmitAreaScale;
D3DXVECTOR3 m_TintColor;
D3DXMATRIX m_EmitterMatrix;
bool m_EmitterMatrixIsValid;
D3DXVECTOR3 m_WindVector;
bool m_WindVectorIsValid;
};
#endif // _OCEAN_SMOKE_H
|