[Bf-blender-cvs] [2eea3d1d299] temp-cycles-denoising: Cycles Denoising: Add back the feature strength option

Lukas Stockner noreply at git.blender.org
Fri Apr 14 00:57:36 CEST 2017


Commit: 2eea3d1d29995aa7134a6002ada05806f822ee09
Author: Lukas Stockner
Date:   Thu Apr 13 00:00:22 2017 +0200
Branches: temp-cycles-denoising
https://developer.blender.org/rB2eea3d1d29995aa7134a6002ada05806f822ee09

Cycles Denoising: Add back the feature strength option

Note: The control is now different, reusing old values might give surprising results

===================================================================

M	intern/cycles/blender/addon/ui.py
M	intern/cycles/blender/blender_session.cpp
M	intern/cycles/device/device_cpu.cpp
M	intern/cycles/device/device_cuda.cpp
M	intern/cycles/device/device_denoising.cpp
M	intern/cycles/device/device_denoising.h
M	intern/cycles/device/device_task.h
M	intern/cycles/device/opencl/opencl_base.cpp
M	intern/cycles/filter/filter_transform.h
M	intern/cycles/filter/filter_transform_gpu.h
M	intern/cycles/filter/filter_transform_sse.h
M	intern/cycles/filter/kernels/cpu/filter_cpu.h
M	intern/cycles/filter/kernels/cpu/filter_cpu_impl.h
M	intern/cycles/filter/kernels/cuda/filter.cu
M	intern/cycles/filter/kernels/opencl/filter.cl
M	intern/cycles/render/session.cpp
M	intern/cycles/render/session.h
M	source/blender/makesdna/DNA_scene_types.h
M	source/blender/makesrna/intern/rna_scene.c

===================================================================

diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
index b8ff195d4a9..8dd3126f3a0 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -598,6 +598,7 @@ class CyclesRender_PT_denoising(CyclesButtonsPanel, Panel):
         sub = col.column(align=True)
         sub.prop(rl, "denoising_radius")
         sub.prop(rl, "denoising_strength", slider=True)
+        sub.prop(rl, "denoising_feature_strength", slider=True)
         sub.prop(rl, "denoising_relative_pca")
 
         sub = col.column(align=True)
diff --git a/intern/cycles/blender/blender_session.cpp b/intern/cycles/blender/blender_session.cpp
index c3ce0ea7e34..3ed005a2919 100644
--- a/intern/cycles/blender/blender_session.cpp
+++ b/intern/cycles/blender/blender_session.cpp
@@ -520,7 +520,12 @@ void BlenderSession::render()
 		buffer_params.denoising_clean_pass = scene->film->denoising_clean_pass;
 		session->params.denoising_radius = b_layer_iter->denoising_radius();
 		session->params.denoising_k2 = powf(2.0f, b_layer_iter->denoising_strength() - 1.0f);
-		session->params.denoising_relative_pca = b_layer_iter->denoising_relative_pca();
+		if(b_layer_iter->denoising_relative_pca()) {
+			session->params.denoising_pca = -powf(10.0f, b_layer_iter->denoising_feature_strength() - 4.0f);
+		}
+		else {
+			session->params.denoising_pca = powf(10.0f, b_layer_iter->denoising_feature_strength() - 1.0f);
+		}
 
 		scene->film->pass_alpha_threshold = b_layer_iter->pass_alpha_threshold();
 		scene->film->tag_passes_update(scene, passes);
diff --git a/intern/cycles/device/device_cpu.cpp b/intern/cycles/device/device_cpu.cpp
index e12bbd62eea..12f95f65af0 100644
--- a/intern/cycles/device/device_cpu.cpp
+++ b/intern/cycles/device/device_cpu.cpp
@@ -185,7 +185,7 @@ public:
 	KernelFunctions<void(*)(int, int, float*, float*, float*, float*, int*, int, int)>       filter_nlm_update_output_kernel;
 	KernelFunctions<void(*)(float*, float*, int*, int)>                                      filter_nlm_normalize_kernel;
 
-	KernelFunctions<void(*)(int, float*, int, int, int, float*, int*, int*, int, int, bool)>                                          filter_construct_transform_kernel;
+	KernelFunctions<void(*)(int, float*, int, int, int, float*, int*, int*, int, int, float)>                                         filter_construct_transform_kernel;
 	KernelFunctions<void(*)(int, int, float*, float*, float*, float*, float*, int*, float*, float3*, int*, int*, int, int, int, int)> filter_nlm_construct_gramian_kernel;
 	KernelFunctions<void(*)(int, int, int, int, int, float*, int*, float*, float3*, int*, int)>                                       filter_finalize_kernel;
 
@@ -456,7 +456,7 @@ public:
 				                                    &task->rect.x,
 				                                    task->buffer.pass_stride,
 				                                    task->radius,
-				                                    task->relative_pca);
+				                                    task->pca_threshold);
 			}
 		}
 		return true;
diff --git a/intern/cycles/device/device_cuda.cpp b/intern/cycles/device/device_cuda.cpp
index 7aff8133783..1151302c49b 100644
--- a/intern/cycles/device/device_cuda.cpp
+++ b/intern/cycles/device/device_cuda.cpp
@@ -1023,7 +1023,7 @@ public:
 		                &task->filter_area,
 		                &task->rect,
 		                &task->radius,
-		                &task->relative_pca,
+		                &task->pca_threshold,
 		                &task->buffer.pass_stride};
 		CUDA_LAUNCH_KERNEL(cuFilterConstructTransform, args);
 		cuda_assert(cuCtxSynchronize());
diff --git a/intern/cycles/device/device_denoising.cpp b/intern/cycles/device/device_denoising.cpp
index ae880f08f14..4b6a0097604 100644
--- a/intern/cycles/device/device_denoising.cpp
+++ b/intern/cycles/device/device_denoising.cpp
@@ -24,7 +24,7 @@ void DenoisingTask::init_from_devicetask(const DeviceTask &task)
 {
 	radius = task.denoising_radius;
 	nlm_k_2 = task.denoising_k2;
-	relative_pca = task.denoising_relative_pca;
+	pca_threshold = task.denoising_pca;
 
 	render_buffer.pass_stride = task.pass_stride;
 	render_buffer.denoising_data_offset  = task.pass_denoising_data;
diff --git a/intern/cycles/device/device_denoising.h b/intern/cycles/device/device_denoising.h
index 3dbc03b7861..090e3be70b5 100644
--- a/intern/cycles/device/device_denoising.h
+++ b/intern/cycles/device/device_denoising.h
@@ -30,7 +30,7 @@ public:
 	/* Parameters of the denoising algorithm. */
 	int radius;
 	float nlm_k_2;
-	bool relative_pca;
+	float pca_threshold;
 	bool use_split_variance;
 
 	/* Pointer and parameters of the RenderBuffers. */
diff --git a/intern/cycles/device/device_task.h b/intern/cycles/device/device_task.h
index b7e8a50f790..0766ae3d281 100644
--- a/intern/cycles/device/device_task.h
+++ b/intern/cycles/device/device_task.h
@@ -70,7 +70,7 @@ public:
 
 	int denoising_radius;
 	float denoising_k2;
-	bool denoising_relative_pca;
+	float denoising_pca;
 	int pass_stride;
 	int pass_denoising_data;
 	int pass_denoising_clean;
diff --git a/intern/cycles/device/opencl/opencl_base.cpp b/intern/cycles/device/opencl/opencl_base.cpp
index 112c09753fb..9580e4b1245 100644
--- a/intern/cycles/device/opencl/opencl_base.cpp
+++ b/intern/cycles/device/opencl/opencl_base.cpp
@@ -667,7 +667,6 @@ bool OpenCLDeviceBase::denoising_construct_transform(DenoisingTask *task)
 
 	cl_kernel ckFilterConstructTransform = denoising_program(ustring("filter_construct_transform"));
 
-	int relative_pca = task->relative_pca;
 	kernel_set_args(ckFilterConstructTransform, 0,
 	                task->render_buffer.samples,
 	                buffer_mem,
@@ -677,7 +676,7 @@ bool OpenCLDeviceBase::denoising_construct_transform(DenoisingTask *task)
 	                task->rect,
 	                task->buffer.pass_stride,
 	                task->radius,
-	                relative_pca);
+	                task->pca_threshold);
 
 	enqueue_kernel(ckFilterConstructTransform,
 	               task->storage.w,
diff --git a/intern/cycles/filter/filter_transform.h b/intern/cycles/filter/filter_transform.h
index 7e2504612e7..143a89a1708 100644
--- a/intern/cycles/filter/filter_transform.h
+++ b/intern/cycles/filter/filter_transform.h
@@ -20,7 +20,7 @@ ccl_device void kernel_filter_construct_transform(int sample, float ccl_readonly
                                                   int x, int y, int4 rect,
                                                   int pass_stride,
                                                   float *transform, int *rank,
-                                                  int radius, bool relative_pca)
+                                                  int radius, float pca_threshold)
 {
 	int buffer_w = align_up(rect.z - rect.x, 4);
 
@@ -80,12 +80,12 @@ ccl_device void kernel_filter_construct_transform(int sample, float ccl_readonly
 
 	math_trimatrix_jacobi_eigendecomposition(feature_matrix, transform, DENOISE_FEATURES, 1);
 	*rank = 0;
-	if(relative_pca) {
+	if(pca_threshold < 0.0f) {
 		float threshold_energy = 0.0f;
 		for(int i = 0; i < DENOISE_FEATURES; i++) {
 			threshold_energy += feature_matrix[i*DENOISE_FEATURES+i];
 		}
-		threshold_energy *= 0.999f;
+		threshold_energy *= 1.0f - (-pca_threshold);
 
 		float reduced_energy = 0.0f;
 		for(int i = 0; i < DENOISE_FEATURES; i++, (*rank)++) {
@@ -100,7 +100,7 @@ ccl_device void kernel_filter_construct_transform(int sample, float ccl_readonly
 	else {
 		for(int i = 0; i < DENOISE_FEATURES; i++, (*rank)++) {
 			float s = feature_matrix[i*DENOISE_FEATURES+i];
-			if(i >= 2 && sqrtf(s) < 1.0f)
+			if(i >= 2 && sqrtf(s) < pca_threshold)
 				break;
 			/* Bake the feature scaling into the transformation matrix. */
 			math_vector_mul(transform + (*rank)*DENOISE_FEATURES, feature_scale, DENOISE_FEATURES);
diff --git a/intern/cycles/filter/filter_transform_gpu.h b/intern/cycles/filter/filter_transform_gpu.h
index 74810e63945..9069f79534e 100644
--- a/intern/cycles/filter/filter_transform_gpu.h
+++ b/intern/cycles/filter/filter_transform_gpu.h
@@ -22,7 +22,7 @@ ccl_device void kernel_filter_construct_transform(int sample,
                                                   int pass_stride,
                                                   ccl_global float *transform,
                                                   ccl_global int *rank,
-                                                  int radius, bool relative_pca,
+                                                  int radius, float pca_threshold,
                                                   int transform_stride, int localIdx)
 {
 	int buffer_w = align_up(rect.z - rect.x, 4);
@@ -78,12 +78,12 @@ ccl_device void kernel_filter_construct_transform(int sample,
 
 	math_trimatrix_jacobi_eigendecomposition(feature_matrix, transform, DENOISE_FEATURES, transform_stride);
 	*rank = 0;
-	if(relative_pca) {
+	if(pca_threshold < 0.0f) {
 		float threshold_energy = 0.0f;
 		for(int i = 0; i < DENOISE_FEATURES; i++) {
 			threshold_energy += feature_matrix[i*DENOISE_FEATURES+i];
 		}
-		threshold_energy *= 0.999f;
+		threshold_energy *= 1.0f - (-pca_threshold);
 
 		float reduced_energy = 0.0f;
 		for(int i = 0; i < DENOISE_FEATURES; i++, (*rank)++) {
@@ -98,7 +98,7 @@ ccl_device void kernel_filter_construct_transform(int sample,
 	else {
 		for(int i = 0; i < DENOISE_FEATURES; i++, (*rank)++) {
 			float s = feature_matrix[i*DENOISE_FEATURES+i];
-			if(i >= 2 && sqrtf(s) < 1.0f)
+			if(i >= 2 && sqrtf(s) < pca_threshold)
 				break;
 			/* Bake the feature scaling into the transformation matrix. */
 			math_vector_mul_strided(transform + i*DENOISE_FEATURES*transform_stride, feature_scale, transform_stride, DENOISE_FEATURES);
diff --git a/intern/cycles/filter/filter_transform_sse.h b/intern/cycles/filter/filter_transform_sse.h
index 5c4074ee3b8..2be5a3cf116 100644
--- a/intern/cycles/filter/filter_transform_sse.h
+++ b/intern/cycles/filter/filter_transform_sse.h
@@ -20,7 +20,7 @@ ccl_device void kernel_filter_construct_transform(int sample, float ccl_readonly
                                                   int x, int y, int4 rect,
                                                   int pass_s

@@ Diff output truncated at 10240 characters. @@




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