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This commit is contained in:
Evghenii
2014-01-05 12:23:48 +01:00
parent 62deb82bf8
commit a7c2a7d4f9
8 changed files with 76 additions and 27 deletions
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34
examples_ptx/rt/rt.cu
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@@ -1,8 +1,4 @@
#define programCount 32
#define programIndex (threadIdx.x & 31)
#define taskIndex (blockIdx.x*4 + (threadIdx.x >> 5))
#define taskCount (gridDim.x*4)
#define warpIdx (threadIdx.x >> 5)
#include "cuda_helpers.cuh"
#define float3 Float3
struct Float3
@@ -339,7 +335,7 @@ void raytrace_tile_task( int width, int height,
}
extern "C" __global__ void raytrace_ispc_tasks( int width, int height,
extern "C" __global__ void raytrace_ispc_tasks___export( int width, int height,
int baseWidth, int baseHeight,
const float raster2camera[4][4],
const float camera2world[4][4],
@@ -350,10 +346,28 @@ extern "C" __global__ void raytrace_ispc_tasks( int width, int height,
int xBuckets = (width + (dx-1)) / dx;
int yBuckets = (height + (dy-1)) / dy;
int nTasks = xBuckets * yBuckets;
if (programIndex == 0)
raytrace_tile_task<<<(nTasks+4-1)/4,128>>>(width, height, baseWidth, baseHeight,
raster2camera, camera2world,
image, id, nodes, triangles);
launch(nTasks,1,1,raytrace_tile_task)
(width, height, baseWidth, baseHeight,
raster2camera, camera2world,
image, id, nodes, triangles);
cudaDeviceSynchronize();
}
extern "C" __host__ void raytrace_ispc_tasks( int width, int height,
int baseWidth, int baseHeight,
const float raster2camera[4][4],
const float camera2world[4][4],
float image[], int id[],
const LinearBVHNode nodes[],
const Triangle triangles[]) {
raytrace_ispc_tasks___export<<<1,32>>>( width, height,
baseWidth, baseHeight,
raster2camera,
camera2world,
image, id,
nodes,
triangles);
cudaDeviceSynchronize();
}