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#include "utest_helper.hpp"
typedef unsigned int uint;
const int W = 16, H = 16;
const int SIZE = W * H;
uint in_1[SIZE];
uint disp_map[SIZE];
uint out_1[SIZE];
uint cpu(const int cx, const int cy, const uint *in, const uint *disp_map, int w, int h) {
uint c = disp_map[cy * w + cx];
int x_pos = cx + c;
int y_pos = cy + c;
if(0 <= x_pos && x_pos < w && 0 <= y_pos && y_pos < h)
return in[y_pos * w + x_pos];
else
return 0;
}
void test() {
OCL_MAP_BUFFER(2);
for(int y=0; y<H; y++)
for(int x=0; x<W; x++) {
uint out = ((uint*)buf_data[2]) [y * W + x];
uint wish = cpu(x, y, in_1, disp_map, W, H);
if(out != wish)
printf("XXX %d %d %x %x\n", x, y, out, wish);
OCL_ASSERT(out == wish);
}
OCL_UNMAP_BUFFER(2);
}
void displacement_map_element(void) {
int i, pass;
OCL_CREATE_KERNEL("compiler_displacement_map_element");
OCL_CREATE_BUFFER(buf[0], 0, SIZE * sizeof(uint), NULL);
OCL_CREATE_BUFFER(buf[1], 0, SIZE * sizeof(uint), NULL);
OCL_CREATE_BUFFER(buf[2], 0, SIZE * sizeof(uint), NULL);
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
OCL_SET_ARG(2, sizeof(W), &W);
OCL_SET_ARG(3, sizeof(H), &H);
OCL_SET_ARG(4, sizeof(cl_mem), &buf[2]);
globals[0] = W;
globals[1] = H;
locals[0] = 16;
locals[1] = 16;
for (pass = 0; pass < 8; pass ++) {
OCL_MAP_BUFFER(0);
OCL_MAP_BUFFER(1);
for (i = 0; i < SIZE; i ++) {
in_1[i] = ((uint*)buf_data[0])[i] = ((rand() & 0xFFFF) << 16) | (rand() & 0xFFFF);
disp_map[i] = ((uint*)buf_data[1])[i] = rand() & 3;
}
OCL_UNMAP_BUFFER(0);
OCL_UNMAP_BUFFER(1);
OCL_NDRANGE(2);
test();
}
}
MAKE_UTEST_FROM_FUNCTION(displacement_map_element);
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