diff options
author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-14 19:02:28 +0300 |
---|---|---|
committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-14 23:45:57 +0300 |
commit | b5fe00d1ac43c16ec8f74d3ad7689599dfb2ef00 (patch) | |
tree | e2dcae056cde3c6eaa3bcaf2c1b9117a0a5e87a1 /intern/cycles | |
parent | f6107af4cf4d907495e2e9c18e5866fd1d420650 (diff) |
Cycles: restore Particle Info Index for now, keep it next to Random.
It seems to be useful still in cases where the particle are distributed in
a particular order or pattern, to colorize them along with that. This isn't
really well defined, but might as well avoid breaking backwards compatibility
for now.
Diffstat (limited to 'intern/cycles')
-rw-r--r-- | intern/cycles/kernel/geom/geom_object.h | 4 | ||||
-rw-r--r-- | intern/cycles/kernel/osl/osl_services.cpp | 9 | ||||
-rw-r--r-- | intern/cycles/kernel/osl/osl_services.h | 1 | ||||
-rw-r--r-- | intern/cycles/kernel/shaders/node_particle_info.osl | 2 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_geometry.h | 8 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_types.h | 1 | ||||
-rw-r--r-- | intern/cycles/render/nodes.cpp | 8 | ||||
-rw-r--r-- | intern/cycles/render/particles.cpp | 3 |
8 files changed, 30 insertions, 6 deletions
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h index a63d180d450..32aa2007f5d 100644 --- a/intern/cycles/kernel/geom/geom_object.h +++ b/intern/cycles/kernel/geom/geom_object.h @@ -352,11 +352,11 @@ ccl_device int shader_pass_id(KernelGlobals *kg, const ShaderData *sd) /* Particle data from which object was instanced */ -ccl_device_inline float particle_random(KernelGlobals *kg, int particle) +ccl_device_inline uint particle_index(KernelGlobals *kg, int particle) { int offset = particle*PARTICLE_SIZE; float4 f = kernel_tex_fetch(__particles, offset + 0); - return f.x; + return __float_as_uint(f.x); } ccl_device float particle_age(KernelGlobals *kg, int particle) diff --git a/intern/cycles/kernel/osl/osl_services.cpp b/intern/cycles/kernel/osl/osl_services.cpp index c4128e84f5c..ae4c521659c 100644 --- a/intern/cycles/kernel/osl/osl_services.cpp +++ b/intern/cycles/kernel/osl/osl_services.cpp @@ -82,6 +82,7 @@ ustring OSLRenderServices::u_geom_dupli_generated("geom:dupli_generated"); ustring OSLRenderServices::u_geom_dupli_uv("geom:dupli_uv"); ustring OSLRenderServices::u_material_index("material:index"); ustring OSLRenderServices::u_object_random("object:random"); +ustring OSLRenderServices::u_particle_index("particle:index"); ustring OSLRenderServices::u_particle_random("particle:random"); ustring OSLRenderServices::u_particle_age("particle:age"); ustring OSLRenderServices::u_particle_lifetime("particle:lifetime"); @@ -652,11 +653,17 @@ bool OSLRenderServices::get_object_standard_attribute(KernelGlobals *kg, ShaderD } /* Particle Attributes */ + else if(name == u_particle_index) { + int particle_id = object_particle_id(kg, sd->object); + float f = particle_index(kg, particle_id); + return set_attribute_float(f, type, derivatives, val); + } else if(name == u_particle_random) { int particle_id = object_particle_id(kg, sd->object); - float f = particle_random(kg, particle_id); + float f = hash_int_01(particle_index(kg, particle_id)); return set_attribute_float(f, type, derivatives, val); } + else if(name == u_particle_age) { int particle_id = object_particle_id(kg, sd->object); float f = particle_age(kg, particle_id); diff --git a/intern/cycles/kernel/osl/osl_services.h b/intern/cycles/kernel/osl/osl_services.h index 2f2dc124a98..d96048e26f2 100644 --- a/intern/cycles/kernel/osl/osl_services.h +++ b/intern/cycles/kernel/osl/osl_services.h @@ -146,6 +146,7 @@ public: static ustring u_geom_dupli_uv; static ustring u_material_index; static ustring u_object_random; + static ustring u_particle_index; static ustring u_particle_random; static ustring u_particle_age; static ustring u_particle_lifetime; diff --git a/intern/cycles/kernel/shaders/node_particle_info.osl b/intern/cycles/kernel/shaders/node_particle_info.osl index 05358400bf8..2a0252d5e45 100644 --- a/intern/cycles/kernel/shaders/node_particle_info.osl +++ b/intern/cycles/kernel/shaders/node_particle_info.osl @@ -17,6 +17,7 @@ #include "stdosl.h" shader node_particle_info( + output float Index = 0.0, output float Random = 0.0, output float Age = 0.0, output float Lifetime = 0.0, @@ -25,6 +26,7 @@ shader node_particle_info( output vector Velocity = point(0.0, 0.0, 0.0), output vector AngularVelocity = point(0.0, 0.0, 0.0)) { + getattribute("particle:index", Index); getattribute("particle:random", Random); getattribute("particle:age", Age); getattribute("particle:lifetime", Lifetime); diff --git a/intern/cycles/kernel/svm/svm_geometry.h b/intern/cycles/kernel/svm/svm_geometry.h index 2f85a801112..81308d6f12b 100644 --- a/intern/cycles/kernel/svm/svm_geometry.h +++ b/intern/cycles/kernel/svm/svm_geometry.h @@ -114,9 +114,15 @@ ccl_device void svm_node_particle_info(KernelGlobals *kg, uint out_offset) { switch(type) { + case NODE_INFO_PAR_INDEX: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float(stack, out_offset, particle_index(kg, particle_id)); + break; + } case NODE_INFO_PAR_RANDOM: { int particle_id = object_particle_id(kg, sd->object); - stack_store_float(stack, out_offset, particle_random(kg, particle_id)); + float random = hash_int_01(particle_index(kg, particle_id)); + stack_store_float(stack, out_offset, random); break; } case NODE_INFO_PAR_AGE: { diff --git a/intern/cycles/kernel/svm/svm_types.h b/intern/cycles/kernel/svm/svm_types.h index 9e19ab4444d..390d3255684 100644 --- a/intern/cycles/kernel/svm/svm_types.h +++ b/intern/cycles/kernel/svm/svm_types.h @@ -160,6 +160,7 @@ typedef enum NodeObjectInfo { } NodeObjectInfo; typedef enum NodeParticleInfo { + NODE_INFO_PAR_INDEX, NODE_INFO_PAR_RANDOM, NODE_INFO_PAR_AGE, NODE_INFO_PAR_LIFETIME, diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp index 44c807065e4..48613a9324c 100644 --- a/intern/cycles/render/nodes.cpp +++ b/intern/cycles/render/nodes.cpp @@ -3463,6 +3463,7 @@ NODE_DEFINE(ParticleInfoNode) { NodeType* type = NodeType::add("particle_info", create, NodeType::SHADER); + SOCKET_OUT_FLOAT(random, "Index"); SOCKET_OUT_FLOAT(random, "Random"); SOCKET_OUT_FLOAT(age, "Age"); SOCKET_OUT_FLOAT(lifetime, "Lifetime"); @@ -3484,6 +3485,8 @@ ParticleInfoNode::ParticleInfoNode() void ParticleInfoNode::attributes(Shader *shader, AttributeRequestSet *attributes) { + if(!output("Index")->links.empty()) + attributes->add(ATTR_STD_PARTICLE); if(!output("Random")->links.empty()) attributes->add(ATTR_STD_PARTICLE); if(!output("Age")->links.empty()) @@ -3510,6 +3513,11 @@ void ParticleInfoNode::compile(SVMCompiler& compiler) { ShaderOutput *out; + out = output("Index"); + if(!out->links.empty()) { + compiler.add_node(NODE_PARTICLE_INFO, NODE_INFO_PAR_INDEX, compiler.stack_assign(out)); + } + out = output("Random"); if(!out->links.empty()) { compiler.add_node(NODE_PARTICLE_INFO, NODE_INFO_PAR_RANDOM, compiler.stack_assign(out)); diff --git a/intern/cycles/render/particles.cpp b/intern/cycles/render/particles.cpp index 07e246a092a..3ee620c9d01 100644 --- a/intern/cycles/render/particles.cpp +++ b/intern/cycles/render/particles.cpp @@ -80,8 +80,7 @@ void ParticleSystemManager::device_update_particles(Device *, DeviceScene *dscen Particle& pa = psys->particles[k]; int offset = i*PARTICLE_SIZE; - float random = hash_int_01(pa.index); - particles[offset] = make_float4(random, pa.age, pa.lifetime, pa.size); + particles[offset] = make_float4(__uint_as_float(pa.index), pa.age, pa.lifetime, pa.size); particles[offset+1] = pa.rotation; particles[offset+2] = make_float4(pa.location.x, pa.location.y, pa.location.z, pa.velocity.x); particles[offset+3] = make_float4(pa.velocity.y, pa.velocity.z, pa.angular_velocity.x, pa.angular_velocity.y); |