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#ifndef PROCESS_H
#define PROCESS_H
#include "HalideBuffer.h"
#ifdef CONV3X3A16
#include "conv3x3a16.h"
#endif
#ifdef DILATE3X3
#include "dilate3x3.h"
#endif
#ifdef MEDIAN3X3
#include "median3x3.h"
#endif
#ifdef GAUSSIAN5X5
#include "gaussian5x5.h"
#endif
#ifdef SOBEL
#include "sobel.h"
#endif
#ifdef CONV3X3A32
#include "conv3x3a32.h"
#endif
template<typename T>
T clamp(T val, T min, T max) {
if (val < min)
return min;
if (val > max)
return max;
return val;
}
struct PipelineDescriptorBase {
virtual void init() = 0;
virtual const char *name() = 0;
virtual int run() = 0;
virtual bool verify(int W, int H) = 0;
virtual bool defined() = 0;
virtual void finalize() = 0;
};
class Conv3x3a16Descriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
Halide::Runtime::Buffer<int8_t, 2> i8_mask;
public:
Conv3x3a16Descriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H),
i8_mask(nullptr, 3, 3) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
i8_mask.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
i8_mask.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
i8_mask(0, 0) = 1;
i8_mask(1, 0) = -4;
i8_mask(2, 0) = 7;
i8_mask(0, 1) = 2;
i8_mask(1, 1) = -5;
i8_mask(2, 1) = 8;
i8_mask(0, 2) = 3;
i8_mask(1, 2) = -6;
i8_mask(2, 2) = 9;
}
const char *name() {
return "conv3x3a16";
}
bool defined() {
#ifdef CONV3X3A16
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
int16_t sum = 0;
for (int ry = -1; ry <= 1; ry++) {
for (int rx = -1; rx <= 1; rx++) {
sum += static_cast<int16_t>(u8_in(clamp(x + rx, 0, W - 1), clamp(y + ry, 0, H - 1))) * static_cast<int16_t>(i8_mask(rx + 1, ry + 1));
}
}
sum = sum >> 4;
sum = clamp<int16_t>(sum, 0, 255);
uint8_t out_xy = u8_out(x, y);
if (sum != out_xy) {
printf("Conv3x3a16: Mismatch at %d %d : %d != %d\n", x, y, out_xy, sum);
abort();
}
});
return true;
}
int run() {
#ifdef CONV3X3A16
return conv3x3a16(u8_in, i8_mask, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
i8_mask.device_free();
u8_out.device_free();
}
};
class Dilate3x3Descriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
private:
static uint8_t max3(uint8_t a, uint8_t b, uint8_t c) {
return std::max(std::max(a, b), c);
}
public:
Dilate3x3Descriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
}
const char *name() {
return "dilate3x3";
}
bool defined() {
#ifdef DILATE3X3
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
auto u8_in_bounded = [&](int x_, int y_) { return u8_in(clamp(x_, 0, W - 1), clamp(y_, 0, H - 1)); };
uint8_t max_y[3];
max_y[0] = max3(u8_in_bounded(x - 1, y - 1), u8_in_bounded(x - 1, y), u8_in_bounded(x - 1, y + 1));
max_y[1] = max3(u8_in_bounded(x, y - 1), u8_in_bounded(x, y), u8_in_bounded(x, y + 1));
max_y[2] = max3(u8_in_bounded(x + 1, y - 1), u8_in_bounded(x + 1, y), u8_in_bounded(x + 1, y + 1));
uint8_t max_val = max3(max_y[0], max_y[1], max_y[2]);
uint8_t out_xy = u8_out(x, y);
if (max_val != out_xy) {
printf("Dilate3x3: Mismatch at %d %d : %d != %d\n", x, y, out_xy, max_val);
abort();
}
});
return true;
}
int run() {
#ifdef DILATE3X3
return dilate3x3(u8_in, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
u8_out.device_free();
}
};
class Median3x3Descriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
public:
Median3x3Descriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
}
const char *name() {
return "median3x3";
};
bool defined() {
#ifdef MEDIAN3X3
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
auto u8_in_bounded = [&](int x_, int y_) { return u8_in(clamp(x_, 0, W - 1), clamp(y_, 0, H - 1)); };
uint8_t inp9[9] = {u8_in_bounded(x - 1, y - 1), u8_in_bounded(x, y - 1), u8_in_bounded(x + 1, y - 1),
u8_in_bounded(x - 1, y), u8_in_bounded(x, y), u8_in_bounded(x + 1, y),
u8_in_bounded(x - 1, y + 1), u8_in_bounded(x, y + 1), u8_in_bounded(x + 1, y + 1)};
std::nth_element(&inp9[0], &inp9[4], &inp9[9]);
uint8_t median_val = inp9[4];
uint8_t out_xy = u8_out(x, y);
if (median_val != out_xy) {
printf("Median3x3: Mismatch at %d %d : %d != %d\n", x, y, out_xy, median_val);
abort();
}
});
return true;
}
int run() {
#ifdef MEDIAN3X3
return median3x3(u8_in, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
u8_out.device_free();
}
};
class Gaussian5x5Descriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
public:
Gaussian5x5Descriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
}
const char *name() {
return "gaussian5x5";
};
bool defined() {
#ifdef GAUSSIAN5X5
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
const int16_t coeffs[5] = {1, 4, 6, 4, 1};
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
int16_t blur = 0;
for (int rx = -2; rx < 3; ++rx) {
int16_t blur_y = 0;
for (int ry = -2; ry < 3; ++ry) {
int16_t val = static_cast<int16_t>(u8_in(clamp(x + rx, 0, W - 1), clamp(y + ry, 0, H - 1)));
blur_y += val * coeffs[ry + 2];
}
blur += blur_y * coeffs[rx + 2];
}
uint8_t blur_val = blur >> 8;
uint8_t out_xy = u8_out(x, y);
if (blur_val != out_xy) {
printf("Gaussian5x5: Mismatch at %d %d : %d != %d\n", x, y, out_xy, blur_val);
abort();
}
});
return true;
}
int run() {
#ifdef GAUSSIAN5X5
return gaussian5x5(u8_in, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
u8_out.device_free();
}
};
class SobelDescriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
public:
SobelDescriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
}
const char *name() {
return "sobel";
};
uint16_t sobel3(uint16_t a, uint16_t b, uint16_t c) {
return (a + 2 * b + c);
}
bool defined() {
#ifdef SOBEL
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
auto u16_in_bounded = [&](int x_, int y_) { return static_cast<uint16_t>(u8_in(clamp(x_, 0, W - 1), clamp(y_, 0, H - 1))); };
uint16_t sobel_x_avg0 = sobel3(u16_in_bounded(x - 1, y - 1), u16_in_bounded(x, y - 1), u16_in_bounded(x + 1, y - 1));
uint16_t sobel_x_avg1 = sobel3(u16_in_bounded(x - 1, y + 1), u16_in_bounded(x, y + 1), u16_in_bounded(x + 1, y + 1));
uint16_t sobel_x = abs(sobel_x_avg0 - sobel_x_avg1);
uint16_t sobel_y_avg0 = sobel3(u16_in_bounded(x - 1, y - 1), u16_in_bounded(x - 1, y), u16_in_bounded(x - 1, y + 1));
uint16_t sobel_y_avg1 = sobel3(u16_in_bounded(x + 1, y - 1), u16_in_bounded(x + 1, y), u16_in_bounded(x + 1, y + 1));
uint16_t sobel_y = abs(sobel_y_avg0 - sobel_y_avg1);
uint8_t sobel_val = static_cast<uint8_t>(clamp(sobel_x + sobel_y, 0, 255));
uint8_t out_xy = u8_out(x, y);
if (sobel_val != out_xy) {
printf("Sobel: Mismatch at %d %d : %d != %d\n", x, y, out_xy, sobel_val);
abort();
}
});
return true;
}
int run() {
#ifdef SOBEL
return sobel(u8_in, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
u8_out.device_free();
}
};
class Conv3x3a32Descriptor : public PipelineDescriptorBase {
Halide::Runtime::Buffer<uint8_t, 2> u8_in, u8_out;
Halide::Runtime::Buffer<int8_t, 2> i8_mask;
public:
Conv3x3a32Descriptor(int W, int H)
: u8_in(nullptr, W, H),
u8_out(nullptr, W, H),
i8_mask(nullptr, 3, 3) {
}
void init() {
#ifdef HALIDE_RUNTIME_HEXAGON
u8_in.device_malloc(halide_hexagon_device_interface());
u8_out.device_malloc(halide_hexagon_device_interface());
i8_mask.device_malloc(halide_hexagon_device_interface());
#else
u8_in.allocate();
u8_out.allocate();
i8_mask.allocate();
#endif
u8_in.for_each_value([&](uint8_t &x) {
x = static_cast<uint8_t>(rand());
});
u8_out.fill(0);
i8_mask(0, 0) = 1;
i8_mask(1, 0) = -4;
i8_mask(2, 0) = 7;
i8_mask(0, 1) = 2;
i8_mask(1, 1) = -5;
i8_mask(2, 1) = 8;
i8_mask(0, 2) = 3;
i8_mask(1, 2) = -6;
i8_mask(2, 2) = 9;
}
const char *name() {
return "conv3x3a32";
}
bool defined() {
#ifdef CONV3X3A32
return true;
#else
return false;
#endif
}
bool verify(const int W, const int H) {
u8_out.copy_to_host();
u8_out.for_each_element([&](int x, int y) {
int32_t sum = 0;
for (int ry = -1; ry <= 1; ry++) {
for (int rx = -1; rx <= 1; rx++) {
sum += static_cast<int16_t>(u8_in(clamp(x + rx, 0, W - 1), clamp(y + ry, 0, H - 1))) * static_cast<int16_t>(i8_mask(rx + 1, ry + 1));
}
}
sum = sum >> 4;
sum = clamp(sum, 0, 255);
uint8_t out_xy = u8_out(x, y);
if (sum != out_xy) {
printf("Conv3x3a32: Mismatch at %d %d : %d != %d\n", x, y, out_xy, sum);
abort();
}
});
return true;
}
int run() {
#ifdef CONV3X3A32
return conv3x3a32(u8_in, i8_mask, u8_out);
#endif
return 1;
}
void finalize() {
u8_in.device_free();
i8_mask.device_free();
u8_out.device_free();
}
};
#endif
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