diff options
Diffstat (limited to 'src/core/SkLightingShader.h')
| -rw-r--r-- | src/core/SkLightingShader.h | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/src/core/SkLightingShader.h b/src/core/SkLightingShader.h index f10382368a..bb642615a5 100644 --- a/src/core/SkLightingShader.h +++ b/src/core/SkLightingShader.h @@ -17,29 +17,22 @@ class SkNormalSource; class SK_API SkLightingShader { public: - /** Returns a shader that lights the diffuse map using the normals and a set of lights. + /** Returns a shader that lights the shape, colored by the diffuseShader, using the + normals from normalSource, with the set of lights provided. It returns a shader with a reference count of 1. The caller should decrement the shader's reference count when done with the shader. It is an error for count to be < 2. - @param diffuse the diffuse bitmap - @param lights the lights applied to the normal map - @param diffLocalMatrix the local matrix for the diffuse map (transform from - texture coordinates to shape source coordinates). nullptr is - interpreted as an identity matrix. - @param normalSource the source for the normals - - nullptr will be returned if: - 'diffuse' is empty - 'diffuse' is too big (> 65535 on any side) + @param diffuseShader the shader that provides the colors + @param normalSource the source for the shape's normals + @param lights the lights applied to the normals The lighting equation is currently: result = LightColor * DiffuseColor * (Normal * LightDir) + AmbientColor */ - static sk_sp<SkShader> Make(const SkBitmap& diffuse, sk_sp<SkLights> lights, - const SkMatrix* diffLocalMatrix, - sk_sp<SkNormalSource> normalSource); + static sk_sp<SkShader> Make(sk_sp<SkShader> diffuseShader, sk_sp<SkNormalSource> normalSource, + sk_sp<SkLights> lights); SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() }; |