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Diffstat (limited to 'src/core/SkShadowShader.cpp')
-rw-r--r--src/core/SkShadowShader.cpp38
1 files changed, 19 insertions, 19 deletions
diff --git a/src/core/SkShadowShader.cpp b/src/core/SkShadowShader.cpp
index 49f1b01b32..b1f49b851d 100644
--- a/src/core/SkShadowShader.cpp
+++ b/src/core/SkShadowShader.cpp
@@ -111,24 +111,23 @@ public:
const SkShadowParams& params,
GrContext* context) {
- // fuse all ambient lights into a single one
- fAmbientColor.set(0.0f, 0.0f, 0.0f);
+ fAmbientColor = lights->ambientLightColor();
fNumNonAmbLights = 0; // count of non-ambient lights
for (int i = 0; i < lights->numLights(); ++i) {
- if (SkLights::Light::kAmbient_LightType == lights->light(i).type()) {
- fAmbientColor += lights->light(i).color();
- } else if (fNumNonAmbLights < SkShadowShader::kMaxNonAmbientLights) {
+ if (fNumNonAmbLights < SkShadowShader::kMaxNonAmbientLights) {
fLightColor[fNumNonAmbLights] = lights->light(i).color();
- if (lights->light(i).type() == SkLights::Light::kPoint_LightType) {
- fLightDirOrPos[fNumNonAmbLights] = lights->light(i).pos();
- fLightIntensity[fNumNonAmbLights] = lights->light(i).intensity();
- } else {
+
+ if (SkLights::Light::kDirectional_LightType == lights->light(i).type()) {
fLightDirOrPos[fNumNonAmbLights] = lights->light(i).dir();
fLightIntensity[fNumNonAmbLights] = 0.0f;
+ } else if (SkLights::Light::kPoint_LightType == lights->light(i).type()) {
+ fLightDirOrPos[fNumNonAmbLights] = lights->light(i).pos();
+ fLightIntensity[fNumNonAmbLights] = lights->light(i).intensity();
}
+
fIsPointLight[fNumNonAmbLights] =
- SkLights::Light::kPoint_LightType == lights->light(i).type();
+ SkLights::Light::kPoint_LightType == lights->light(i).type();
SkImage_Base* shadowMap = ((SkImage_Base*)lights->light(i).getShadowMap());
@@ -697,27 +696,28 @@ void SkShadowShaderImpl::ShadowShaderContext::shadeSpan(int x, int y,
SkColor3f accum = SkColor3f::Make(0.0f, 0.0f, 0.0f);
// This is all done in linear unpremul color space (each component 0..255.0f though)
+
+ accum.fX += lightShader.fLights->ambientLightColor().fX * SkColorGetR(diffColor);
+ accum.fY += lightShader.fLights->ambientLightColor().fY * SkColorGetG(diffColor);
+ accum.fZ += lightShader.fLights->ambientLightColor().fZ * SkColorGetB(diffColor);
+
for (int l = 0; l < lightShader.fLights->numLights(); ++l) {
const SkLights::Light& light = lightShader.fLights->light(l);
- if (SkLights::Light::kAmbient_LightType == light.type()) {
- accum.fX += light.color().fX * SkColorGetR(diffColor);
- accum.fY += light.color().fY * SkColorGetG(diffColor);
- accum.fZ += light.color().fZ * SkColorGetB(diffColor);
- } else if (SkLights::Light::kDirectional_LightType == light.type()) {
+ if (SkLights::Light::kDirectional_LightType == light.type()) {
// scaling by fZ accounts for lighting direction
accum.fX += light.color().makeScale(light.dir().fZ).fX *
- SkColorGetR(diffColor);
+ SkColorGetR(diffColor);
accum.fY += light.color().makeScale(light.dir().fZ).fY *
- SkColorGetG(diffColor);
+ SkColorGetG(diffColor);
accum.fZ += light.color().makeScale(light.dir().fZ).fZ *
- SkColorGetB(diffColor);
+ SkColorGetB(diffColor);
} else {
- // TODO: do point lights for raster, currently treated like ambient
accum.fX += light.color().fX * SkColorGetR(diffColor);
accum.fY += light.color().fY * SkColorGetG(diffColor);
accum.fZ += light.color().fZ * SkColorGetB(diffColor);
}
+
}
result[i] = convert(accum, SkColorGetA(diffColor));