oivShaderState.h

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#ifndef OIV_SHADER_STATE_H
#define OIV_SHADER_STATE_H
 
/*****************************************************************************/
// Constants
 
int OivMaxLights();
 
int OivMaxClipPlanes();
 
int OivMaxTextureCoordinates();
 
int OivMaxTextureUnits();
 
/*****************************************************************************/
// Transforms
 
mat4 OivModelMatrix();
 
mat4 OivModelMatrixInverse();
 
mat4 OivViewMatrix();
 
mat4 OivViewMatrixInverse();
 
mat4 OivModelViewMatrix();
 
mat4 OivModelViewMatrixInverse();
 
mat3 OivNormalMatrix();
 
mat4 OivProjectionMatrix();
 
mat4 OivProjectionMatrixInverse();
 
mat4 OivModelViewProjectionMatrix();
 
mat4 OivTextureMatrix(int unit);
 
vec2 OivViewportSize();
 
vec2 OivViewVolumeSize();
 
#define OIV_PROJECTION_TYPE_ORTHO       0
#define OIV_PROJECTION_TYPE_PERSPECTIVE 1
 
int  OivViewProjectionType();
 
/*****************************************************************************/
// Lighting
 
bool OivHasLighting();
 
bool OivHasTwoSidedLighting();
 
bool OivHasPerPixelLighting();
 
bool OivHasColorMaterial();
 
vec4 OivGlobalAmbient();
 
bool OivLightSourceEnabled(int id);
 
#define OIV_LIGHT_TYPE_NONE        0
#define OIV_LIGHT_TYPE_POINT       1
#define OIV_LIGHT_TYPE_SPOT        2
#define OIV_LIGHT_TYPE_DIRECTIONAL 3
 
int OivLightSourceType(int id);
 
vec4 OivLightSourcePosition(int id);
 
vec3 OivLightSourceSpotDirection(int id);
 
float OivLightSourceSpotExponent(int id);
 
float OivLightSourceSpotCutoff(int id);
 
float OivLightSourceSpotCosCutoff(int id);
 
vec4 OivLightSourceAmbient(int id);
 
vec4 OivLightSourceDiffuse(int id);
 
vec4 OivLightSourceSpecular(int id);
 
float OivLightSourceConstantAttenuation(int id);
 
float OivLightSourceLinearAttenuation(int id);
 
float OivLightSourceQuadraticAttenuation(int id);
 
int OivMaxLightId();
 
/*****************************************************************************/
// Material
 
vec4 OivFrontMaterialAmbient();
 
vec4 OivFrontMaterialDiffuse();
 
vec4 OivFrontMaterialSpecular();
 
vec4 OivFrontMaterialEmissive();
 
float OivFrontMaterialShininess();
 
float OivFrontMaterialSpecularFactor();
 
float OivFrontMaterialRoughness();
 
float OivFrontMaterialMetallic();
 
vec4 OivBackMaterialAmbient();
 
vec4 OivBackMaterialDiffuse();
 
vec4 OivBackMaterialSpecular();
 
vec4 OivBackMaterialEmissive();
 
float OivBackMaterialShininess();
 
float OivBackMaterialSpecularFactor();
 
float OivBackMaterialRoughness();
 
float OivBackMaterialMetallic();
 
vec4 OivFrontSceneColor();
 
vec4 OivFrontLightProductAmbient(int id);
 
vec4 OivFrontLightProductDiffuse(int id);
 
vec4 OivFrontLightProductSpecular(int id);
 
vec4 OivBackLightProductAmbient(int id);
 
vec4 OivBackLightProductDiffuse(int id);
 
vec4 OivBackLightProductSpecular(int id);
 
/*****************************************************************************/
// Clip planes
 
bool OivClipPlaneEnabled(int id);
 
vec4 OivClipPlane(int id);
 
 
/*****************************************************************************/
// Fog parameters
 
vec4 OivFogColor();
 
 
float OivFogDensity();
 
 
float OivFogStart();
 
 
float OivFogEnd();
 
 
float OivFogScale();
 
int OivFogType();
 
vec4 OivObjectPlaneS(int i);
 
vec4 OivObjectPlaneT(int i);
 
vec4 OivObjectPlaneR(int i);
 
vec4 OivObjectPlaneQ(int i);
 
#endif /* OIV_SHADER_STATE_H */