Revision: 56597
http://sourceforge.net/p/brlcad/code/56597
Author: ejno
Date: 2013-08-05 20:09:16 +0000 (Mon, 05 Aug 2013)
Log Message:
-----------
work on sphere intersection
Modified Paths:
--------------
brlcad/branches/opencl/src/librt/primitives/ell/ell.c
Modified: brlcad/branches/opencl/src/librt/primitives/ell/ell.c
===================================================================
--- brlcad/branches/opencl/src/librt/primitives/ell/ell.c 2013-08-05
20:01:13 UTC (rev 56596)
+++ brlcad/branches/opencl/src/librt/primitives/ell/ell.c 2013-08-05
20:09:16 UTC (rev 56597)
@@ -254,10 +254,8 @@
static cl_kernel kernel;
+/* just spheres for now */
const char * const clt_program_code = "\
-#define MAX_SPHERES 10\
-\
-\
typedef struct\
{\
float3 position;\
@@ -266,18 +264,18 @@
} Sphere;\
\
\
-__kernel void ray_trace(__global float *output, __constant Sphere *gspheres)\
+__kernel void ell_shot(__global float *output, __constant Sphere sphere,
Sphere vlight, float3 E, float3 V)\
{\
- __local Sphere spheres[MAX_SPHERES];\
+ float3 EO = sphere.position-(E+V);\
+ float v = dot(EO, V);\
+ float disc = 0; //TODO\
\
- spheres[get_global_id(0)] = gspheres[get_global_id(0)];\
- barrier(CLK_LOCAL_MEM_FENCE);\
+ if (disc < 0) {\
+ output = 0;\
+ return;\
+ }\
\
- if (get_global_id(0) == 0) {\
- for (int i = 0; i < MAX_SPHERES; ++i)\
- printf(\"is_light: %d\n\", spheres[i].is_light);\
- printf(\"%d\n\", get_local_size(0));\
- }\
+ float d = sqrt(disc);\
}\
\
";
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