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69 lines
2.4 KiB
69 lines
2.4 KiB
6 years ago
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#include "commonmodel.h"
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#include <czmq.h>
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#include "cereal/gen/c/log.capnp.h"
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#include "common/mat.h"
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#include "common/timing.h"
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void model_input_init(ModelInput* s, int width, int height,
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cl_device_id device_id, cl_context context) {
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int err;
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s->device_id = device_id;
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s->context = context;
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transform_init(&s->transform, context, device_id);
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s->transformed_width = width;
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s->transformed_height = height;
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s->transformed_y_cl = clCreateBuffer(s->context, CL_MEM_READ_WRITE,
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s->transformed_width*s->transformed_height, NULL, &err);
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assert(err == 0);
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s->transformed_u_cl = clCreateBuffer(s->context, CL_MEM_READ_WRITE,
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(s->transformed_width/2)*(s->transformed_height/2), NULL, &err);
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assert(err == 0);
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s->transformed_v_cl = clCreateBuffer(s->context, CL_MEM_READ_WRITE,
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(s->transformed_width/2)*(s->transformed_height/2), NULL, &err);
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assert(err == 0);
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s->net_input_size = ((width*height*3)/2)*sizeof(float);
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s->net_input = clCreateBuffer(s->context, CL_MEM_READ_WRITE,
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s->net_input_size, (void*)NULL, &err);
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assert(err == 0);
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loadyuv_init(&s->loadyuv, context, device_id, s->transformed_width, s->transformed_height);
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}
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float *model_input_prepare(ModelInput* s, cl_command_queue q,
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cl_mem yuv_cl, int width, int height,
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mat3 transform) {
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int err;
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int i = 0;
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transform_queue(&s->transform, q,
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yuv_cl, width, height,
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s->transformed_y_cl, s->transformed_u_cl, s->transformed_v_cl,
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s->transformed_width, s->transformed_height,
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transform);
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loadyuv_queue(&s->loadyuv, q,
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s->transformed_y_cl, s->transformed_u_cl, s->transformed_v_cl,
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s->net_input);
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float *net_input_buf = (float *)clEnqueueMapBuffer(q, s->net_input, CL_TRUE,
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CL_MAP_READ, 0, s->net_input_size,
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0, NULL, NULL, &err);
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clFinish(q);
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return net_input_buf;
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}
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void model_input_free(ModelInput* s) {
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transform_destroy(&s->transform);
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loadyuv_destroy(&s->loadyuv);
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}
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6 years ago
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float sigmoid(float input) {
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return 1 / (1 + expf(-input));
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}
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float softplus(float input) {
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return log1p(expf(input));
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}
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