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Cycles: reduce memory usage of instanced objects by about 40%, as long as the

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motion vector pass is not enabled.
This commit is contained in:
Brecht Van Lommel
2012-12-20 19:26:57 +00:00
parent e7731cbede
commit abd3c87663
6 changed files with 47 additions and 20 deletions
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28
intern/cycles/kernel/kernel_object.h
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@@ -20,11 +20,16 @@ CCL_NAMESPACE_BEGIN
enum ObjectTransform {
OBJECT_TRANSFORM = 0,
OBJECT_INVERSE_TRANSFORM = 3,
OBJECT_PROPERTIES = 6,
OBJECT_TRANSFORM_MOTION_PRE = 8,
OBJECT_TRANSFORM_MOTION_POST = 12,
OBJECT_DUPLI = 16
OBJECT_TRANSFORM_MOTION_PRE = 0,
OBJECT_INVERSE_TRANSFORM = 4,
OBJECT_TRANSFORM_MOTION_POST = 4,
OBJECT_PROPERTIES = 8,
OBJECT_DUPLI = 9
};
enum ObjectVectorTransform {
OBJECT_VECTOR_MOTION_PRE = 0,
OBJECT_VECTOR_MOTION_POST = 3
};
__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, enum ObjectTransform type)
@@ -40,6 +45,19 @@ __device_inline Transform object_fetch_transform(KernelGlobals *kg, int object,
return tfm;
}
__device_inline Transform object_fetch_vector_transform(KernelGlobals *kg, int object, enum ObjectVectorTransform type)
{
int offset = object*OBJECT_VECTOR_SIZE + (int)type;
Transform tfm;
tfm.x = kernel_tex_fetch(__objects_vector, offset + 0);
tfm.y = kernel_tex_fetch(__objects_vector, offset + 1);
tfm.z = kernel_tex_fetch(__objects_vector, offset + 2);
tfm.w = make_float4(0.0f, 0.0f, 0.0f, 1.0f);
return tfm;
}
#ifdef __OBJECT_MOTION__
__device_inline Transform object_fetch_transform_motion(KernelGlobals *kg, int object, float time)
{

1
intern/cycles/kernel/kernel_textures.h
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@@ -34,6 +34,7 @@ KERNEL_TEX(uint, texture_uint, __object_node)
/* objects */
KERNEL_TEX(float4, texture_float4, __objects)
KERNEL_TEX(float4, texture_float4, __objects_vector)
/* triangles */
KERNEL_TEX(float4, texture_float4, __tri_normal)

4
intern/cycles/kernel/kernel_triangle.h
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@@ -209,10 +209,10 @@ __device float4 triangle_motion_vector(KernelGlobals *kg, ShaderData *sd)
* transformation was set match the world/object space of motion_pre/post */
Transform tfm;
tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM_MOTION_PRE);
tfm = object_fetch_vector_transform(kg, sd->object, OBJECT_VECTOR_MOTION_PRE);
motion_pre = transform_point(&tfm, motion_pre);
tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM_MOTION_POST);
tfm = object_fetch_vector_transform(kg, sd->object, OBJECT_VECTOR_MOTION_POST);
motion_post = transform_point(&tfm, motion_post);
float3 P;

3
intern/cycles/kernel/kernel_types.h
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@@ -29,7 +29,8 @@
CCL_NAMESPACE_BEGIN
/* constants */
#define OBJECT_SIZE 18
#define OBJECT_SIZE 11
#define OBJECT_VECTOR_SIZE 6
#define LIGHT_SIZE 4
#define FILTER_TABLE_SIZE 256
#define RAMP_TABLE_SIZE 256

30
intern/cycles/render/object.cpp
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@@ -150,12 +150,17 @@ ObjectManager::~ObjectManager()
void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene, Scene *scene, uint *object_flag, Progress& progress)
{
float4 *objects = dscene->objects.resize(OBJECT_SIZE*scene->objects.size());
float4 *objects;
float4 *objects_vector = NULL;
int i = 0;
map<Mesh*, float> surface_area_map;
Scene::MotionType need_motion = scene->need_motion(device->info.advanced_shading);
bool have_motion = false;
objects = dscene->objects.resize(OBJECT_SIZE*scene->objects.size());
if(need_motion == Scene::MOTION_PASS)
objects_vector = dscene->objects_vector.resize(OBJECT_VECTOR_SIZE*scene->objects.size());
foreach(Object *ob, scene->objects) {
Mesh *mesh = ob->mesh;
uint flag = 0;
@@ -205,8 +210,8 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
int offset = i*OBJECT_SIZE;
memcpy(&objects[offset], &tfm, sizeof(float4)*3);
memcpy(&objects[offset+3], &itfm, sizeof(float4)*3);
objects[offset+6] = make_float4(surface_area, pass_id, random_number, __int_as_float(ob->particle_id));
memcpy(&objects[offset+4], &itfm, sizeof(float4)*3);
objects[offset+8] = make_float4(surface_area, pass_id, random_number, __int_as_float(ob->particle_id));
if(need_motion == Scene::MOTION_PASS) {
/* motion transformations, is world/object space depending if mesh
@@ -220,8 +225,8 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
if(!mesh->attributes.find(ATTR_STD_MOTION_POST))
mtfm_post = mtfm_post * itfm;
memcpy(&objects[offset+8], &mtfm_pre, sizeof(float4)*4);
memcpy(&objects[offset+12], &mtfm_post, sizeof(float4)*4);
memcpy(&objects_vector[i*OBJECT_VECTOR_SIZE+0], &mtfm_pre, sizeof(float4)*3);
memcpy(&objects_vector[i*OBJECT_VECTOR_SIZE+3], &mtfm_post, sizeof(float4)*3);
}
#ifdef __OBJECT_MOTION__
else if(need_motion == Scene::MOTION_BLUR) {
@@ -230,20 +235,16 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
DecompMotionTransform decomp;
transform_motion_decompose(&decomp, &ob->motion, &ob->tfm);
memcpy(&objects[offset+8], &decomp, sizeof(float4)*8);
memcpy(&objects[offset], &decomp, sizeof(float4)*8);
flag |= SD_OBJECT_MOTION;
have_motion = true;
}
else {
float4 no_motion = make_float4(FLT_MAX);
memcpy(&objects[offset+8], &no_motion, sizeof(float4)*8);
}
}
#endif
/* dupli object coords */
objects[offset+16] = make_float4(ob->dupli_generated[0], ob->dupli_generated[1], ob->dupli_generated[2], 0.0f);
objects[offset+17] = make_float4(ob->dupli_uv[0], ob->dupli_uv[1], 0.0f, 0.0f);
objects[offset+9] = make_float4(ob->dupli_generated[0], ob->dupli_generated[1], ob->dupli_generated[2], 0.0f);
objects[offset+10] = make_float4(ob->dupli_uv[0], ob->dupli_uv[1], 0.0f, 0.0f);
/* object flag */
if(ob->use_holdout)
@@ -256,6 +257,8 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
}
device->tex_alloc("__objects", dscene->objects);
if(need_motion == Scene::MOTION_PASS)
device->tex_alloc("__objects_vector", dscene->objects_vector);
dscene->data.bvh.have_motion = have_motion;
}
@@ -297,6 +300,9 @@ void ObjectManager::device_free(Device *device, DeviceScene *dscene)
device->tex_free(dscene->objects);
dscene->objects.clear();
device->tex_free(dscene->objects_vector);
dscene->objects_vector.clear();
device->tex_free(dscene->object_flag);
dscene->object_flag.clear();
}

1
intern/cycles/render/scene.h
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@@ -74,6 +74,7 @@ public:
/* objects */
device_vector<float4> objects;
device_vector<float4> objects_vector;
/* attributes */
device_vector<uint4> attributes_map;