private void SetupMainLightConstants(CommandBuffer cmd, List <VisibleLight> lights, int lightIndex)
{
Vector4 lightPos, lightColor, lightDistanceAttenuation, lightSpotDir, lightSpotAttenuation;
InitializeLightConstants(lights, lightIndex, out lightPos, out lightColor, out lightDistanceAttenuation, out lightSpotDir, out lightSpotAttenuation);
if (lightIndex >= 0)
{
UnityEngine.LightType mainLightType = lights[lightIndex].lightType;
Light mainLight = lights[lightIndex].light;
if (LightweightUtils.IsSupportedCookieType(mainLightType) && mainLight.cookie != null)
{
Matrix4x4 lightCookieMatrix;
LightweightUtils.GetLightCookieMatrix(lights[lightIndex], out lightCookieMatrix);
cmd.SetGlobalTexture(PerCameraBuffer._MainLightCookie, mainLight.cookie);
cmd.SetGlobalMatrix(PerCameraBuffer._WorldToLight, lightCookieMatrix);
}
}
cmd.SetGlobalVector(PerCameraBuffer._MainLightPosition, lightPos);
cmd.SetGlobalVector(PerCameraBuffer._MainLightColor, lightColor);
cmd.SetGlobalVector(PerCameraBuffer._MainLightDistanceAttenuation, lightDistanceAttenuation);
cmd.SetGlobalVector(PerCameraBuffer._MainLightSpotDir, lightSpotDir);
cmd.SetGlobalVector(PerCameraBuffer._MainLightSpotAttenuation, lightSpotAttenuation);
}
private void SetShaderKeywords(CommandBuffer cmd, ref LightData lightData, List <VisibleLight> visibleLights)
{
int vertexLightsCount = lightData.totalAdditionalLightsCount - lightData.pixelAdditionalLightsCount;
int mainLightIndex = lightData.mainLightIndex;
//TIM: Not used in shader for V1 to reduce keywords
CoreUtils.SetKeyword(cmd, "_MAIN_LIGHT_DIRECTIONAL", mainLightIndex == -1 || visibleLights[mainLightIndex].lightType == UnityEngine.LightType.Directional);
//TIM: Not used in shader for V1 to reduce keywords
CoreUtils.SetKeyword(cmd, "_MAIN_LIGHT_SPOT", mainLightIndex != -1 && visibleLights[mainLightIndex].lightType == UnityEngine.LightType.Spot);
//TIM: Not used in shader for V1 to reduce keywords
CoreUtils.SetKeyword(cmd, "_SHADOWS_ENABLED", lightData.shadowMapSampleType != LightShadows.None);
//TIM: Not used in shader for V1 to reduce keywords
CoreUtils.SetKeyword(cmd, "_MAIN_LIGHT_COOKIE", mainLightIndex != -1 && LightweightUtils.IsSupportedCookieType(visibleLights[mainLightIndex].lightType) && visibleLights[mainLightIndex].light.cookie != null);
CoreUtils.SetKeyword(cmd, "_ADDITIONAL_LIGHTS", lightData.totalAdditionalLightsCount > 0);
CoreUtils.SetKeyword(cmd, "_MIXED_LIGHTING_SUBTRACTIVE", m_LightManager.MixedLightingSetup == MixedLightingSetup.Subtractive);
CoreUtils.SetKeyword(cmd, "_VERTEX_LIGHTS", vertexLightsCount > 0);
CoreUtils.SetKeyword(cmd, "SOFTPARTICLES_ON", m_TextureUtil.RequireDepthTexture && m_Asset.RequireSoftParticles);
bool linearFogModeEnabled = false;
bool exponentialFogModeEnabled = false;
if (RenderSettings.fog)
{
if (RenderSettings.fogMode == FogMode.Linear)
{
linearFogModeEnabled = true;
}
else
{
exponentialFogModeEnabled = true;
}
}
CoreUtils.SetKeyword(cmd, "FOG_LINEAR", linearFogModeEnabled);
CoreUtils.SetKeyword(cmd, "FOG_EXP2", exponentialFogModeEnabled);
}
