Differential D8692 Diff 28091 intern/cycles/kernel/osl/osl_services.cpp

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intern/cycles/kernel/osl/osl_services.cpp

Show First 20 Lines • Show All 1,475 Lines • ▼ Show 20 Lines	bool OSLRenderServices::trace(TraceOpt &options,
ray.dD.dx = TO_FLOAT3(dRdx);		ray.dD.dx = TO_FLOAT3(dRdx);
ray.dD.dy = TO_FLOAT3(dRdy);		ray.dD.dy = TO_FLOAT3(dRdy);

/* allocate trace data */		/* allocate trace data */
OSLTraceData tracedata = (OSLTraceData )sg->tracedata;		OSLTraceData tracedata = (OSLTraceData )sg->tracedata;
tracedata->ray = ray;		tracedata->ray = ray;
tracedata->setup = false;		tracedata->setup = false;
tracedata->init = true;		tracedata->init = true;
		tracedata->hit = false;
tracedata->sd.osl_globals = sd->osl_globals;		tracedata->sd.osl_globals = sd->osl_globals;

KernelGlobals *kg = sd->osl_globals;		KernelGlobals *kg = sd->osl_globals;

/* Can't raytrace from shaders like displacement, before BVH exists. */		/* Can't raytrace from shaders like displacement, before BVH exists. */
if (kernel_data.bvh.bvh_layout == BVH_LAYOUT_NONE) {		if (kernel_data.bvh.bvh_layout == BVH_LAYOUT_NONE) {
return false;		return false;
}		}

/* Raytrace, leaving out shadow opaque to avoid early exit. */		/* Raytrace, leaving out shadow opaque to avoid early exit. */
uint visibility = PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE;		uint visibility = PATH_RAY_ALL_VISIBILITY - PATH_RAY_SHADOW_OPAQUE;
return scene_intersect(kg, &ray, visibility, &tracedata->isect);		tracedata->hit = scene_intersect(kg, &ray, visibility, &tracedata->isect);
		return tracedata->hit;
}		}

bool OSLRenderServices::getmessage(OSL::ShaderGlobals *sg,		bool OSLRenderServices::getmessage(OSL::ShaderGlobals *sg,
ustring source,		ustring source,
ustring name,		ustring name,
TypeDesc type,		TypeDesc type,
void *val,		void *val,
bool derivatives)		bool derivatives)
{		{
OSLTraceData tracedata = (OSLTraceData )sg->tracedata;		OSLTraceData tracedata = (OSLTraceData )sg->tracedata;

if (source == u_trace && tracedata->init) {		if (source == u_trace && tracedata->init) {
if (name == u_hit) {		if (name == u_hit) {
return set_attribute_int((tracedata->isect.prim != PRIM_NONE), type, derivatives, val);		return set_attribute_int(tracedata->hit, type, derivatives, val);
}		}
else if (tracedata->isect.prim != PRIM_NONE) {		else if (tracedata->hit) {
if (name == u_hitdist) {		if (name == u_hitdist) {
float f[3] = {tracedata->isect.t, 0.0f, 0.0f};		float f[3] = {tracedata->isect.t, 0.0f, 0.0f};
return set_attribute_float(f, type, derivatives, val);		return set_attribute_float(f, type, derivatives, val);
}		}
else {		else {
ShaderData *sd = &tracedata->sd;		ShaderData *sd = &tracedata->sd;
KernelGlobals *kg = sd->osl_globals;		KernelGlobals *kg = sd->osl_globals;

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