Pyrogenesis  trunk
Material.h
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1 /* Copyright (C) 2012 Wildfire Games.
2  * This file is part of 0 A.D.
3  *
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12  * GNU General Public License for more details.
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15  * along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef INCLUDED_MATERIAL
19 #define INCLUDED_MATERIAL
20 
21 #include "graphics/ShaderDefines.h"
22 #include "graphics/Texture.h"
23 #include "ps/CStr.h"
24 #include "ps/CStrIntern.h"
25 #include "ps/Shapes.h"
27 
28 class CMaterial
29 {
30 public:
31 
33  {
34  TextureSampler(const CStr &n, CTexturePtr t) : Name(n), Sampler(t) {}
36 
39  };
40 
41  typedef std::vector<TextureSampler> SamplersVector;
42 
43  CMaterial();
44 
45  // Whether this material's shaders use alpha blending, in which case
46  // models using this material need to be rendered in a special order
47  // relative to the alpha-blended water plane
48  void SetUsesAlphaBlending(bool flag) { m_AlphaBlending = flag; }
50 
51  const CTexturePtr& GetDiffuseTexture() const { return m_DiffuseTexture; }
52 
53  void SetShaderEffect(const CStr& effect);
55 
56  // Must call RecomputeCombinedShaderDefines after this, before rendering with this material
58 
59  // conditionFlags is a bitmask representing which indexes of the
60  // GetConditionalDefines() list are currently matching.
61  // Use 0 if you don't care about conditional defines.
62  const CShaderDefines& GetShaderDefines(uint32_t conditionFlags) const { return m_CombinedShaderDefines.at(conditionFlags); }
63 
64  // Must call RecomputeCombinedShaderDefines after this, before rendering with this material
65  void AddConditionalDefine(const char* defname, const char* defvalue, int type, std::vector<float> &args);
66 
68 
69  void AddStaticUniform(const char* key, const CVector4D& value);
71 
72  void AddSampler(const TextureSampler& texture);
73  const SamplersVector& GetSamplers() const { return m_Samplers; }
74 
75  void AddRenderQuery(const char* key);
77 
78  void AddRequiredSampler(const CStr& samplerName);
79  const std::vector<CStrIntern>& GetRequiredSampler() const { return m_RequiredSamplers; }
80 
81  // Must be called after all AddShaderDefine and AddConditionalDefine
83 
84 private:
85 
86  // This pointer is kept to make it easier for the fixed pipeline to
87  // access the only texture it's interested in.
89 
90  SamplersVector m_Samplers;
91  std::vector<CStrIntern> m_RequiredSamplers;
92 
96  std::vector<CShaderDefines> m_CombinedShaderDefines;
99 
101 };
102 
103 #endif
const std::vector< CStrIntern > & GetRequiredSampler() const
Definition: Material.h:79
CStrIntern Name
Definition: Material.h:37
const CShaderRenderQueries & GetRenderQueries() const
Definition: Material.h:76
void AddShaderDefine(CStrIntern key, CStrIntern value)
Definition: Material.cpp:34
bool UsesAlphaBlending()
Definition: Material.h:49
void AddSampler(const TextureSampler &texture)
Definition: Material.cpp:51
CMaterial()
Definition: Material.cpp:24
void AddConditionalDefine(const char *defname, const char *defvalue, int type, std::vector< float > &args)
Definition: Material.cpp:40
CShaderRenderQueries m_RenderQueries
Definition: Material.h:98
bool m_AlphaBlending
Definition: Material.h:100
std::vector< CStrIntern > m_RequiredSamplers
Definition: Material.h:91
void SetUsesAlphaBlending(bool flag)
Definition: Material.h:48
std::vector< CShaderDefines > m_CombinedShaderDefines
Definition: Material.h:96
Uniform values that need to be evaluated in the renderer.
Definition: ShaderDefines.h:187
const CTexturePtr & GetDiffuseTexture() const
Definition: Material.h:51
Definition: Material.h:28
Definition: Vector4D.h:28
CTexturePtr Sampler
Definition: Material.h:38
void SetShaderEffect(const CStr &effect)
Definition: Material.cpp:29
Interned 8-bit strings.
Definition: CStrIntern.h:37
CTexturePtr m_DiffuseTexture
Definition: Material.h:88
CStrIntern m_ShaderEffect
Definition: Material.h:93
pthread_key_t key
Definition: wpthread.cpp:140
Definition: ShaderDefines.h:205
void AddRequiredSampler(const CStr &samplerName)
Definition: Material.cpp:63
TextureSampler(const CStrIntern &n, CTexturePtr t)
Definition: Material.h:35
Represents a mapping of name strings to value strings, for use with #if and #ifdef and similar condit...
Definition: ShaderDefines.h:133
Represents a mapping of name strings to value CVector4Ds, for use with uniforms in shaders...
Definition: ShaderDefines.h:154
std::shared_ptr< CTexture > CTexturePtr
Definition: Texture.h:22
CShaderConditionalDefines m_ConditionalDefines
Definition: Material.h:95
const SamplersVector & GetSamplers() const
Definition: Material.h:73
unsigned int uint32_t
Definition: wposix_types.h:53
const CShaderUniforms & GetStaticUniforms() const
Definition: Material.h:70
std::vector< TextureSampler > SamplersVector
Definition: Material.h:41
SamplersVector m_Samplers
Definition: Material.h:90
CShaderUniforms m_StaticUniforms
Definition: Material.h:97
const CShaderDefines & GetShaderDefines(uint32_t conditionFlags) const
Definition: Material.h:62
void AddRenderQuery(const char *key)
Definition: Material.cpp:58
const CShaderConditionalDefines & GetConditionalDefines() const
Definition: Material.h:67
CStrIntern GetShaderEffect() const
Definition: Material.h:54
void RecomputeCombinedShaderDefines()
Definition: Material.cpp:76
void AddStaticUniform(const char *key, const CVector4D &value)
Definition: Material.cpp:46
CShaderDefines m_ShaderDefines
Definition: Material.h:94
Definition: Material.h:32
TextureSampler(const CStr &n, CTexturePtr t)
Definition: Material.h:34