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Add C3D_LightEnvBumpNormalZ() #63

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Aug 12, 2023
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Add C3D_LightEnvBumpNormalZ() #63

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8 changes: 8 additions & 0 deletions include/c3d/light.h
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,14 @@ enum
void C3D_LightEnvFresnel(C3D_LightEnv* env, GPU_FRESNELSEL selector);
void C3D_LightEnvBumpMode(C3D_LightEnv* env, GPU_BUMPMODE mode);
void C3D_LightEnvBumpSel(C3D_LightEnv* env, int texUnit);

/**
* @brief Configures whether to use the z component of the normal map.
* @param[out] env Pointer to light environment structure.
* @param[in] enable false if the z component is reconstructed from the xy components
* of the normal map, true if the z component is taken from the normal map.
*/
void C3D_LightEnvBumpNormalZ(C3D_LightEnv *env, bool enable);
void C3D_LightEnvShadowMode(C3D_LightEnv* env, u32 mode);
void C3D_LightEnvShadowSel(C3D_LightEnv* env, int texUnit);
void C3D_LightEnvClampHighlights(C3D_LightEnv* env, bool clamp);
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8 changes: 8 additions & 0 deletions source/lightenv.c
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Expand Up @@ -250,6 +250,14 @@ void C3D_LightEnvBumpSel(C3D_LightEnv* env, int texUnit)
env->flags |= C3DF_LightEnv_Dirty;
}

void C3D_LightEnvBumpNormalZ(C3D_LightEnv *env, bool usez) {
if (usez)
env->conf.config[0] |= BIT(30);
else
env->conf.config[0] &= ~BIT(30);
env->flags |= C3DF_LightEnv_Dirty;
}

void C3D_LightEnvShadowMode(C3D_LightEnv* env, u32 mode)
{
mode &= 0xF<<16;
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