[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [43038] trunk/blender/intern/cycles: Cycles code refactoring: change displace kernel into more generic shader

Brecht Van Lommel brechtvanlommel at pandora.be
Sat Dec 31 16:18:14 CET 2011


Revision: 43038
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=43038
Author:   blendix
Date:     2011-12-31 15:18:13 +0000 (Sat, 31 Dec 2011)
Log Message:
-----------
Cycles code refactoring: change displace kernel into more generic shader
evaluate kernel, added background shader evaluate.

Modified Paths:
--------------
    trunk/blender/intern/cycles/device/device.cpp
    trunk/blender/intern/cycles/device/device.h
    trunk/blender/intern/cycles/device/device_cpu.cpp
    trunk/blender/intern/cycles/device/device_cuda.cpp
    trunk/blender/intern/cycles/device/device_multi.cpp
    trunk/blender/intern/cycles/kernel/kernel.cl
    trunk/blender/intern/cycles/kernel/kernel.cpp
    trunk/blender/intern/cycles/kernel/kernel.cu
    trunk/blender/intern/cycles/kernel/kernel.h
    trunk/blender/intern/cycles/kernel/kernel_displace.h
    trunk/blender/intern/cycles/kernel/kernel_optimized.cpp
    trunk/blender/intern/cycles/kernel/kernel_types.h
    trunk/blender/intern/cycles/render/mesh_displace.cpp

Modified: trunk/blender/intern/cycles/device/device.cpp
===================================================================
--- trunk/blender/intern/cycles/device/device.cpp	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/device/device.cpp	2011-12-31 15:18:13 UTC (rev 43038)
@@ -38,7 +38,8 @@
 DeviceTask::DeviceTask(Type type_)
 : type(type_), x(0), y(0), w(0), h(0), rng_state(0), rgba(0), buffer(0),
   sample(0), resolution(0),
-  displace_input(0), displace_offset(0), displace_x(0), displace_w(0)
+  shader_input(0), shader_output(0),
+  shader_eval_type(0), shader_x(0), shader_w(0)
 {
 }
 
@@ -46,8 +47,8 @@
 {
 	int num;
 
-	if(type == DISPLACE) {
-		num = (displace_w + max_size - 1)/max_size;
+	if(type == SHADER) {
+		num = (shader_w + max_size - 1)/max_size;
 	}
 	else {
 		max_size = max(1, max_size/w);
@@ -68,17 +69,17 @@
 
 void DeviceTask::split(list<DeviceTask>& tasks, int num)
 {
-	if(type == DISPLACE) {
-		num = min(displace_w, num);
+	if(type == SHADER) {
+		num = min(shader_w, num);
 
 		for(int i = 0; i < num; i++) {
-			int tx = displace_x + (displace_w/num)*i;
-			int tw = (i == num-1)? displace_w - i*(displace_w/num): displace_w/num;
+			int tx = shader_x + (shader_w/num)*i;
+			int tw = (i == num-1)? shader_w - i*(shader_w/num): shader_w/num;
 
 			DeviceTask task = *this;
 
-			task.displace_x = tx;
-			task.displace_w = tw;
+			task.shader_x = tx;
+			task.shader_w = tw;
 
 			tasks.push_back(task);
 		}

Modified: trunk/blender/intern/cycles/device/device.h
===================================================================
--- trunk/blender/intern/cycles/device/device.h	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/device/device.h	2011-12-31 15:18:13 UTC (rev 43038)
@@ -52,7 +52,7 @@
 
 class DeviceTask {
 public:
-	typedef enum { PATH_TRACE, TONEMAP, DISPLACE } Type;
+	typedef enum { PATH_TRACE, TONEMAP, SHADER } Type;
 	Type type;
 
 	int x, y, w, h;
@@ -63,9 +63,10 @@
 	int resolution;
 	int offset, stride;
 
-	device_ptr displace_input;
-	device_ptr displace_offset;
-	int displace_x, displace_w;
+	device_ptr shader_input;
+	device_ptr shader_output;
+	int shader_eval_type;
+	int shader_x, shader_w;
 
 	DeviceTask(Type type = PATH_TRACE);
 

Modified: trunk/blender/intern/cycles/device/device_cpu.cpp
===================================================================
--- trunk/blender/intern/cycles/device/device_cpu.cpp	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/device/device_cpu.cpp	2011-12-31 15:18:13 UTC (rev 43038)
@@ -141,8 +141,8 @@
 				thread_path_trace(task);
 			else if(task.type == DeviceTask::TONEMAP)
 				thread_tonemap(task);
-			else if(task.type == DeviceTask::DISPLACE)
-				thread_displace(task);
+			else if(task.type == DeviceTask::SHADER)
+				thread_shader(task);
 
 			tasks.worker_done();
 		}
@@ -207,7 +207,7 @@
 		}
 	}
 
-	void thread_displace(DeviceTask& task)
+	void thread_shader(DeviceTask& task)
 	{
 #ifdef WITH_OSL
 		if(kernel_osl_use(kg))
@@ -216,8 +216,8 @@
 
 #ifdef WITH_OPTIMIZED_KERNEL
 		if(system_cpu_support_optimized()) {
-			for(int x = task.displace_x; x < task.displace_x + task.displace_w; x++) {
-				kernel_cpu_optimized_displace(kg, (uint4*)task.displace_input, (float3*)task.displace_offset, x);
+			for(int x = task.shader_x; x < task.shader_x + task.shader_w; x++) {
+				kernel_cpu_optimized_shader(kg, (uint4*)task.shader_input, (float3*)task.shader_output, task.shader_eval_type, x);
 
 				if(tasks.worker_cancel())
 					break;
@@ -226,8 +226,8 @@
 		else
 #endif
 		{
-			for(int x = task.displace_x; x < task.displace_x + task.displace_w; x++) {
-				kernel_cpu_displace(kg, (uint4*)task.displace_input, (float3*)task.displace_offset, x);
+			for(int x = task.shader_x; x < task.shader_x + task.shader_w; x++) {
+				kernel_cpu_shader(kg, (uint4*)task.shader_input, (float3*)task.shader_output, task.shader_eval_type, x);
 
 				if(tasks.worker_cancel())
 					break;

Modified: trunk/blender/intern/cycles/device/device_cuda.cpp
===================================================================
--- trunk/blender/intern/cycles/device/device_cuda.cpp	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/device/device_cuda.cpp	2011-12-31 15:18:13 UTC (rev 43038)
@@ -615,16 +615,16 @@
 		cuda_pop_context();
 	}
 
-	void displace(DeviceTask& task)
+	void shader(DeviceTask& task)
 	{
 		cuda_push_context();
 
 		CUfunction cuDisplace;
-		CUdeviceptr d_input = cuda_device_ptr(task.displace_input);
-		CUdeviceptr d_offset = cuda_device_ptr(task.displace_offset);
+		CUdeviceptr d_input = cuda_device_ptr(task.shader_input);
+		CUdeviceptr d_offset = cuda_device_ptr(task.shader_output);
 
 		/* get kernel function */
-		cuda_assert(cuModuleGetFunction(&cuDisplace, cuModule, "kernel_cuda_displace"))
+		cuda_assert(cuModuleGetFunction(&cuDisplace, cuModule, "kernel_cuda_shader"))
 		
 		/* pass in parameters */
 		int offset = 0;
@@ -635,12 +635,15 @@
 		cuda_assert(cuParamSetv(cuDisplace, offset, &d_offset, sizeof(d_offset)))
 		offset += sizeof(d_offset);
 
-		int displace_x = task.displace_x;
-		offset = cuda_align_up(offset, __alignof(displace_x));
+		int shader_eval_type = task.shader_eval_type;
+		offset = cuda_align_up(offset, __alignof(shader_eval_type));
 
-		cuda_assert(cuParamSeti(cuDisplace, offset, task.displace_x))
-		offset += sizeof(task.displace_x);
+		cuda_assert(cuParamSeti(cuDisplace, offset, task.shader_eval_type))
+		offset += sizeof(task.shader_eval_type);
 
+		cuda_assert(cuParamSeti(cuDisplace, offset, task.shader_x))
+		offset += sizeof(task.shader_x);
+
 		cuda_assert(cuParamSetSize(cuDisplace, offset))
 
 		/* launch kernel: todo find optimal size, cache config for fermi */
@@ -649,7 +652,7 @@
 #else
 		int xthreads = 8;
 #endif
-		int xblocks = (task.displace_w + xthreads - 1)/xthreads;
+		int xblocks = (task.shader_w + xthreads - 1)/xthreads;
 
 		cuda_assert(cuFuncSetCacheConfig(cuDisplace, CU_FUNC_CACHE_PREFER_L1))
 		cuda_assert(cuFuncSetBlockShape(cuDisplace, xthreads, 1, 1))
@@ -828,8 +831,8 @@
 			tonemap(task);
 		else if(task.type == DeviceTask::PATH_TRACE)
 			path_trace(task);
-		else if(task.type == DeviceTask::DISPLACE)
-			displace(task);
+		else if(task.type == DeviceTask::SHADER)
+			shader(task);
 	}
 
 	void task_wait()

Modified: trunk/blender/intern/cycles/device/device_multi.cpp
===================================================================
--- trunk/blender/intern/cycles/device/device_multi.cpp	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/device/device_multi.cpp	2011-12-31 15:18:13 UTC (rev 43038)
@@ -306,8 +306,8 @@
 				if(task.buffer) subtask.buffer = sub.ptr_map[task.buffer];
 				if(task.rng_state) subtask.rng_state = sub.ptr_map[task.rng_state];
 				if(task.rgba) subtask.rgba = sub.ptr_map[task.rgba];
-				if(task.displace_input) subtask.displace_input = sub.ptr_map[task.displace_input];
-				if(task.displace_offset) subtask.displace_offset = sub.ptr_map[task.displace_offset];
+				if(task.shader_input) subtask.shader_input = sub.ptr_map[task.shader_input];
+				if(task.shader_output) subtask.shader_output = sub.ptr_map[task.shader_output];
 
 				sub.device->task_add(subtask);
 			}

Modified: trunk/blender/intern/cycles/kernel/kernel.cl
===================================================================
--- trunk/blender/intern/cycles/kernel/kernel.cl	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/kernel/kernel.cl	2011-12-31 15:18:13 UTC (rev 43038)
@@ -80,10 +80,10 @@
 		kernel_film_tonemap(kg, rgba, buffer, sample, resolution, x, y, offset, stride);
 }
 
-/*__kernel void kernel_ocl_displace(__global uint4 *input, __global float3 *offset, int sx)
+/*__kernel void kernel_ocl_shader(__global uint4 *input, __global float3 *output, int type, int sx)
 {
 	int x = sx + get_global_id(0);
 
-	kernel_displace(input, offset, x);
+	kernel_shader_evaluate(input, output, (ShaderEvalType)type, x);
 }*/
 

Modified: trunk/blender/intern/cycles/kernel/kernel.cpp
===================================================================
--- trunk/blender/intern/cycles/kernel/kernel.cpp	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/kernel/kernel.cpp	2011-12-31 15:18:13 UTC (rev 43038)
@@ -216,11 +216,11 @@
 	kernel_film_tonemap(kg, rgba, buffer, sample, resolution, x, y, offset, stride);
 }
 
-/* Displacement */
+/* Shader Evaluation */
 
-void kernel_cpu_displace(KernelGlobals *kg, uint4 *input, float3 *offset, int i)
+void kernel_cpu_shader(KernelGlobals *kg, uint4 *input, float3 *output, int type, int i)
 {
-	kernel_displace(kg, input, offset, i);
+	kernel_shader_evaluate(kg, input, output, (ShaderEvalType)type, i);
 }
 
 CCL_NAMESPACE_END

Modified: trunk/blender/intern/cycles/kernel/kernel.cu
===================================================================
--- trunk/blender/intern/cycles/kernel/kernel.cu	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/kernel/kernel.cu	2011-12-31 15:18:13 UTC (rev 43038)
@@ -44,10 +44,10 @@
 		kernel_film_tonemap(NULL, rgba, buffer, sample, resolution, x, y, offset, stride);
 }
 
-extern "C" __global__ void kernel_cuda_displace(uint4 *input, float3 *offset, int sx)
+extern "C" __global__ void kernel_cuda_shader(uint4 *input, float3 *output, int type, int sx)
 {
 	int x = sx + blockDim.x*blockIdx.x + threadIdx.x;
 
-	kernel_displace(NULL, input, offset, x);
+	kernel_shader_evaluate(NULL, input, output, (ShaderEvalType)type, x);
 }
 

Modified: trunk/blender/intern/cycles/kernel/kernel.h
===================================================================
--- trunk/blender/intern/cycles/kernel/kernel.h	2011-12-31 15:10:38 UTC (rev 43037)
+++ trunk/blender/intern/cycles/kernel/kernel.h	2011-12-31 15:18:13 UTC (rev 43038)
@@ -40,14 +40,16 @@
 	int sample, int x, int y, int offset, int stride);
 void kernel_cpu_tonemap(KernelGlobals *kg, uchar4 *rgba, float4 *buffer,
 	int sample, int resolution, int x, int y, int offset, int stride);
-void kernel_cpu_displace(KernelGlobals *kg, uint4 *input, float3 *offset, int i);
+void kernel_cpu_shader(KernelGlobals *kg, uint4 *input, float3 *output,
+	int type, int i);
 
 #ifdef WITH_OPTIMIZED_KERNEL
 void kernel_cpu_optimized_path_trace(KernelGlobals *kg, float4 *buffer, unsigned int *rng_state,
 	int sample, int x, int y, int offset, int stride);
 void kernel_cpu_optimized_tonemap(KernelGlobals *kg, uchar4 *rgba, float4 *buffer,

@@ Diff output truncated at 10240 characters. @@



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