diff options
| author | Thomas Dinges <blender@dingto.org> | 2014-11-06 00:48:45 +0300 |
|---|---|---|
| committer | Thomas Dinges <blender@dingto.org> | 2014-11-06 00:49:09 +0300 |
| commit | fb820c063831a36b9780a8948219e0eb9ff27da2 (patch) | |
| tree | 44d49b8a35445ceecf8ed29127ef1aaa3289ccc0 /intern/cycles/render/light.cpp | |
| parent | 53297e62eb603e61a0033ad2a7d571a258202087 (diff) | |
Cycles: Add "Max Bounce" control for lamps
With this setting, we can limit the influence of a lamp to a certain amount of bounces.
0 = Only direct light contribution
1 = 1 light bounce
...
Differential revision: https://developer.blender.org/D860
You can find an example render in the release logs: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.73/Cycles
Diffstat (limited to 'intern/cycles/render/light.cpp')
| -rw-r--r-- | intern/cycles/render/light.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/intern/cycles/render/light.cpp b/intern/cycles/render/light.cpp index 1f006637e67..a129a0fdec5 100644 --- a/intern/cycles/render/light.cpp +++ b/intern/cycles/render/light.cpp @@ -125,6 +125,7 @@ Light::Light() shader = 0; samples = 1; + max_bounces = 1024; } void Light::tag_update(Scene *scene) @@ -489,6 +490,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce float3 co = light->co; int shader_id = scene->shader_manager->get_shader_id(scene->lights[i]->shader); float samples = __int_as_float(light->samples); + float max_bounces = __int_as_float(light->max_bounces); if(!light->cast_shadow) shader_id &= ~SHADER_CAST_SHADOW; @@ -523,6 +525,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce light_data[i*LIGHT_SIZE + 1] = make_float4(__int_as_float(shader_id), radius, invarea, 0.0f); light_data[i*LIGHT_SIZE + 2] = make_float4(0.0f, 0.0f, 0.0f, 0.0f); light_data[i*LIGHT_SIZE + 3] = make_float4(samples, 0.0f, 0.0f, 0.0f); + light_data[i*LIGHT_SIZE + 4] = make_float4(max_bounces, 0.0f, 0.0f, 0.0f); } else if(light->type == LIGHT_DISTANT) { shader_id &= ~SHADER_AREA_LIGHT; @@ -544,6 +547,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce light_data[i*LIGHT_SIZE + 1] = make_float4(__int_as_float(shader_id), radius, cosangle, invarea); light_data[i*LIGHT_SIZE + 2] = make_float4(0.0f, 0.0f, 0.0f, 0.0f); light_data[i*LIGHT_SIZE + 3] = make_float4(samples, 0.0f, 0.0f, 0.0f); + light_data[i*LIGHT_SIZE + 4] = make_float4(max_bounces, 0.0f, 0.0f, 0.0f); } else if(light->type == LIGHT_BACKGROUND) { uint visibility = scene->background->visibility; @@ -572,6 +576,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce light_data[i*LIGHT_SIZE + 1] = make_float4(__int_as_float(shader_id), 0.0f, 0.0f, 0.0f); light_data[i*LIGHT_SIZE + 2] = make_float4(0.0f, 0.0f, 0.0f, 0.0f); light_data[i*LIGHT_SIZE + 3] = make_float4(samples, 0.0f, 0.0f, 0.0f); + light_data[i*LIGHT_SIZE + 4] = make_float4(max_bounces, 0.0f, 0.0f, 0.0f); } else if(light->type == LIGHT_AREA) { float3 axisu = light->axisu*(light->sizeu*light->size); @@ -590,6 +595,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce light_data[i*LIGHT_SIZE + 1] = make_float4(__int_as_float(shader_id), axisu.x, axisu.y, axisu.z); light_data[i*LIGHT_SIZE + 2] = make_float4(invarea, axisv.x, axisv.y, axisv.z); light_data[i*LIGHT_SIZE + 3] = make_float4(samples, dir.x, dir.y, dir.z); + light_data[i*LIGHT_SIZE + 4] = make_float4(max_bounces, 0.0f, 0.0f, 0.0f); } else if(light->type == LIGHT_SPOT) { shader_id &= ~SHADER_AREA_LIGHT; @@ -610,6 +616,7 @@ void LightManager::device_update_points(Device *device, DeviceScene *dscene, Sce light_data[i*LIGHT_SIZE + 1] = make_float4(__int_as_float(shader_id), radius, invarea, spot_angle); light_data[i*LIGHT_SIZE + 2] = make_float4(spot_smooth, dir.x, dir.y, dir.z); light_data[i*LIGHT_SIZE + 3] = make_float4(samples, 0.0f, 0.0f, 0.0f); + light_data[i*LIGHT_SIZE + 4] = make_float4(max_bounces, 0.0f, 0.0f, 0.0f); } } |