Impl. Vulkan compute
Tests indicate Vulkan compute runs 2x slower than OpenCL, so there probably is room for optimization.
This commit is contained in:
parent
d4661996d2
commit
47ba03337b
3 changed files with 358 additions and 9 deletions
|
|
@ -157,6 +157,343 @@ void dither::internal::vulkan_copy_buffer(VkDevice device,
|
|||
vkFreeCommandBuffers(device, command_pool, 1, &command_buf);
|
||||
}
|
||||
|
||||
std::vector<unsigned int> dither::internal::blue_noise_vulkan_impl(
|
||||
VkDevice device, VkPhysicalDevice phys_device,
|
||||
VkCommandBuffer command_buffer, VkCommandPool command_pool, VkQueue queue,
|
||||
VkBuffer pbp_buf, VkPipeline pipeline, VkPipelineLayout pipeline_layout,
|
||||
VkDescriptorSet descriptor_set, VkBuffer filter_out_buf, const int width,
|
||||
const int height) {
|
||||
const int size = width * height;
|
||||
const int pixel_count = size * 4 / 10;
|
||||
const int local_size = 256;
|
||||
const std::size_t global_size =
|
||||
(std::size_t)std::ceil((float)size / (float)local_size);
|
||||
|
||||
std::vector<bool> pbp = random_noise(size, pixel_count);
|
||||
std::vector<int> pbp_i(pbp.size());
|
||||
std::vector<float> filter(size);
|
||||
bool reversed_pbp = false;
|
||||
|
||||
const auto get_filter = [device, phys_device, command_buffer, command_pool,
|
||||
queue, pbp_buf, pipeline, pipeline_layout,
|
||||
descriptor_set, filter_out_buf, size, &pbp, &pbp_i,
|
||||
&reversed_pbp, global_size, &filter]() -> bool {
|
||||
for (unsigned int i = 0; i < pbp.size(); ++i) {
|
||||
if (reversed_pbp) {
|
||||
pbp_i[i] = pbp[i] ? 0 : 1;
|
||||
} else {
|
||||
pbp_i[i] = pbp[i] ? 1 : 0;
|
||||
}
|
||||
}
|
||||
|
||||
vkResetCommandBuffer(command_buffer, 0);
|
||||
|
||||
// Copy pbp buffer.
|
||||
{
|
||||
VkBuffer staging_buffer;
|
||||
VkDeviceMemory staging_buffer_mem;
|
||||
|
||||
if (!internal::vulkan_create_buffer(
|
||||
device, phys_device, size * sizeof(int),
|
||||
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
|
||||
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
staging_buffer, staging_buffer_mem)) {
|
||||
std::clog << "get_filter ERROR: Failed to create staging buffer!\n";
|
||||
return false;
|
||||
}
|
||||
utility::Cleanup cleanup_staging_buf(
|
||||
[device](void *ptr) {
|
||||
vkDestroyBuffer(device, *((VkBuffer *)ptr), nullptr);
|
||||
},
|
||||
&staging_buffer);
|
||||
utility::Cleanup cleanup_staging_buf_mem(
|
||||
[device](void *ptr) {
|
||||
vkFreeMemory(device, *((VkDeviceMemory *)ptr), nullptr);
|
||||
},
|
||||
&staging_buffer_mem);
|
||||
|
||||
void *data_ptr;
|
||||
vkMapMemory(device, staging_buffer_mem, 0, size * sizeof(int), 0,
|
||||
&data_ptr);
|
||||
std::memcpy(data_ptr, pbp_i.data(), size * sizeof(int));
|
||||
vkUnmapMemory(device, staging_buffer_mem);
|
||||
|
||||
vulkan_copy_buffer(device, command_pool, queue, staging_buffer, pbp_buf,
|
||||
size * sizeof(int));
|
||||
}
|
||||
|
||||
VkCommandBufferBeginInfo begin_info{};
|
||||
begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
||||
|
||||
if (vkBeginCommandBuffer(command_buffer, &begin_info) != VK_SUCCESS) {
|
||||
std::clog << "get_filter ERROR: Failed to begin recording compute "
|
||||
"command buffer!\n";
|
||||
return false;
|
||||
}
|
||||
|
||||
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
|
||||
vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE,
|
||||
pipeline_layout, 0, 1, &descriptor_set, 0, nullptr);
|
||||
vkCmdDispatch(command_buffer, global_size, 1, 1);
|
||||
if (vkEndCommandBuffer(command_buffer) != VK_SUCCESS) {
|
||||
std::clog
|
||||
<< "get_filter ERROR: Failed to record compute command buffer!\n";
|
||||
return false;
|
||||
}
|
||||
|
||||
{
|
||||
VkSubmitInfo submit_info{};
|
||||
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
||||
submit_info.commandBufferCount = 1;
|
||||
submit_info.pCommandBuffers = &command_buffer;
|
||||
submit_info.signalSemaphoreCount = 0;
|
||||
submit_info.pSignalSemaphores = nullptr;
|
||||
|
||||
if (vkQueueSubmit(queue, 1, &submit_info, nullptr) != VK_SUCCESS) {
|
||||
std::clog
|
||||
<< "get_filter ERROR: Failed to submit compute command buffer!\n";
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (vkDeviceWaitIdle(device) != VK_SUCCESS) {
|
||||
std::clog << "get_filter ERROR: Failed to vkDeviceWaitIdle!\n";
|
||||
return false;
|
||||
}
|
||||
|
||||
// Copy back filter_out buffer.
|
||||
{
|
||||
VkBuffer staging_buffer;
|
||||
VkDeviceMemory staging_buffer_mem;
|
||||
|
||||
if (!internal::vulkan_create_buffer(
|
||||
device, phys_device, size * sizeof(float),
|
||||
VK_BUFFER_USAGE_TRANSFER_DST_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
|
||||
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
staging_buffer, staging_buffer_mem)) {
|
||||
std::clog << "get_filter ERROR: Failed to create staging buffer!\n";
|
||||
return false;
|
||||
}
|
||||
utility::Cleanup cleanup_staging_buf(
|
||||
[device](void *ptr) {
|
||||
vkDestroyBuffer(device, *((VkBuffer *)ptr), nullptr);
|
||||
},
|
||||
&staging_buffer);
|
||||
utility::Cleanup cleanup_staging_buf_mem(
|
||||
[device](void *ptr) {
|
||||
vkFreeMemory(device, *((VkDeviceMemory *)ptr), nullptr);
|
||||
},
|
||||
&staging_buffer_mem);
|
||||
|
||||
vulkan_copy_buffer(device, command_pool, queue, filter_out_buf,
|
||||
staging_buffer, size * sizeof(float));
|
||||
|
||||
void *data_ptr;
|
||||
vkMapMemory(device, staging_buffer_mem, 0, size * sizeof(float), 0,
|
||||
&data_ptr);
|
||||
std::memcpy(filter.data(), data_ptr, size * sizeof(float));
|
||||
vkUnmapMemory(device, staging_buffer_mem);
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
{
|
||||
#ifndef NDEBUG
|
||||
printf("Inserting %d pixels into image of max count %d\n", pixel_count,
|
||||
size);
|
||||
// generate image from randomized pbp
|
||||
FILE *random_noise_image = fopen("random_noise.pbm", "w");
|
||||
fprintf(random_noise_image, "P1\n%d %d\n", width, height);
|
||||
for (int y = 0; y < height; ++y) {
|
||||
for (int x = 0; x < width; ++x) {
|
||||
fprintf(random_noise_image, "%d ",
|
||||
pbp[utility::twoToOne(x, y, width, height)] ? 1 : 0);
|
||||
}
|
||||
fputc('\n', random_noise_image);
|
||||
}
|
||||
fclose(random_noise_image);
|
||||
#endif
|
||||
}
|
||||
|
||||
if (!get_filter()) {
|
||||
std::cerr << "Vulkan: Failed to execute get_filter at start!\n";
|
||||
} else {
|
||||
#ifndef NDEBUG
|
||||
internal::write_filter(filter, width, "filter_out_start.pgm");
|
||||
#endif
|
||||
}
|
||||
|
||||
int iterations = 0;
|
||||
|
||||
std::cout << "Begin BinaryArray generation loop\n";
|
||||
while (true) {
|
||||
#ifndef NDEBUG
|
||||
printf("Iteration %d\n", ++iterations);
|
||||
#endif
|
||||
|
||||
if (!get_filter()) {
|
||||
std::cerr << "Vulkan: Failed to execute do_filter\n";
|
||||
break;
|
||||
}
|
||||
|
||||
int min, max;
|
||||
std::tie(min, max) = internal::filter_minmax(filter, pbp);
|
||||
|
||||
pbp[max] = false;
|
||||
|
||||
if (!get_filter()) {
|
||||
std::cerr << "Vulkan: Failed to execute do_filter\n";
|
||||
break;
|
||||
}
|
||||
|
||||
// get second buffer's min
|
||||
int second_min;
|
||||
std::tie(second_min, std::ignore) = internal::filter_minmax(filter, pbp);
|
||||
|
||||
if (second_min == max) {
|
||||
pbp[max] = true;
|
||||
break;
|
||||
} else {
|
||||
pbp[second_min] = true;
|
||||
}
|
||||
|
||||
if (iterations % 100 == 0) {
|
||||
#ifndef NDEBUG
|
||||
std::cout << "max was " << max << ", second_min is " << second_min
|
||||
<< std::endl;
|
||||
// generate blue_noise image from pbp
|
||||
FILE *blue_noise_image = fopen("blue_noise.pbm", "w");
|
||||
fprintf(blue_noise_image, "P1\n%d %d\n", width, height);
|
||||
for (int y = 0; y < height; ++y) {
|
||||
for (int x = 0; x < width; ++x) {
|
||||
fprintf(blue_noise_image, "%d ",
|
||||
pbp[utility::twoToOne(x, y, width, height)] ? 1 : 0);
|
||||
}
|
||||
fputc('\n', blue_noise_image);
|
||||
}
|
||||
fclose(blue_noise_image);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if (!get_filter()) {
|
||||
std::cerr << "Vulkan: Failed to execute do_filter (at end)\n";
|
||||
} else {
|
||||
#ifndef NDEBUG
|
||||
internal::write_filter(filter, width, "filter_out_final.pgm");
|
||||
FILE *blue_noise_image = fopen("blue_noise.pbm", "w");
|
||||
fprintf(blue_noise_image, "P1\n%d %d\n", width, height);
|
||||
for (int y = 0; y < height; ++y) {
|
||||
for (int x = 0; x < width; ++x) {
|
||||
fprintf(blue_noise_image, "%d ",
|
||||
pbp[utility::twoToOne(x, y, width, height)] ? 1 : 0);
|
||||
}
|
||||
fputc('\n', blue_noise_image);
|
||||
}
|
||||
fclose(blue_noise_image);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifndef NDEBUG
|
||||
{
|
||||
image::Bl pbp_image = toBl(pbp, width);
|
||||
pbp_image.writeToFile(image::file_type::PNG, true, "debug_pbp_before.png");
|
||||
}
|
||||
#endif
|
||||
|
||||
std::cout << "Generating dither_array...\n";
|
||||
#ifndef NDEBUG
|
||||
std::unordered_set<unsigned int> set;
|
||||
#endif
|
||||
std::vector<unsigned int> dither_array(size, 0);
|
||||
int min, max;
|
||||
{
|
||||
std::vector<bool> pbp_copy(pbp);
|
||||
std::cout << "Ranking minority pixels...\n";
|
||||
for (unsigned int i = pixel_count; i-- > 0;) {
|
||||
#ifndef NDEBUG
|
||||
std::cout << i << ' ';
|
||||
#endif
|
||||
get_filter();
|
||||
std::tie(std::ignore, max) = internal::filter_minmax(filter, pbp);
|
||||
pbp.at(max) = false;
|
||||
dither_array.at(max) = i;
|
||||
#ifndef NDEBUG
|
||||
if (set.find(max) != set.end()) {
|
||||
std::cout << "\nWARNING: Reusing index " << max << '\n';
|
||||
} else {
|
||||
set.insert(max);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
pbp = pbp_copy;
|
||||
#ifndef NDEBUG
|
||||
image::Bl min_pixels = internal::rangeToBl(dither_array, width);
|
||||
min_pixels.writeToFile(image::file_type::PNG, true, "da_min_pixels.png");
|
||||
#endif
|
||||
}
|
||||
std::cout << "\nRanking remainder of first half of pixels...\n";
|
||||
for (unsigned int i = pixel_count; i < (unsigned int)((size + 1) / 2); ++i) {
|
||||
#ifndef NDEBUG
|
||||
std::cout << i << ' ';
|
||||
#endif
|
||||
get_filter();
|
||||
std::tie(min, std::ignore) = internal::filter_minmax(filter, pbp);
|
||||
pbp.at(min) = true;
|
||||
dither_array.at(min) = i;
|
||||
#ifndef NDEBUG
|
||||
if (set.find(min) != set.end()) {
|
||||
std::cout << "\nWARNING: Reusing index " << min << '\n';
|
||||
} else {
|
||||
set.insert(min);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
#ifndef NDEBUG
|
||||
{
|
||||
image::Bl min_pixels = internal::rangeToBl(dither_array, width);
|
||||
min_pixels.writeToFile(image::file_type::PNG, true, "da_mid_pixels.png");
|
||||
get_filter();
|
||||
internal::write_filter(filter, width, "filter_mid.pgm");
|
||||
image::Bl pbp_image = toBl(pbp, width);
|
||||
pbp_image.writeToFile(image::file_type::PNG, true, "debug_pbp_mid.png");
|
||||
}
|
||||
#endif
|
||||
std::cout << "\nRanking last half of pixels...\n";
|
||||
reversed_pbp = true;
|
||||
for (unsigned int i = (size + 1) / 2; i < (unsigned int)size; ++i) {
|
||||
#ifndef NDEBUG
|
||||
std::cout << i << ' ';
|
||||
#endif
|
||||
get_filter();
|
||||
std::tie(std::ignore, max) = internal::filter_minmax(filter, pbp);
|
||||
pbp.at(max) = true;
|
||||
dither_array.at(max) = i;
|
||||
#ifndef NDEBUG
|
||||
if (set.find(max) != set.end()) {
|
||||
std::cout << "\nWARNING: Reusing index " << max << '\n';
|
||||
} else {
|
||||
set.insert(max);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
std::cout << std::endl;
|
||||
|
||||
#ifndef NDEBUG
|
||||
{
|
||||
get_filter();
|
||||
internal::write_filter(filter, width, "filter_after.pgm");
|
||||
image::Bl pbp_image = toBl(pbp, width);
|
||||
pbp_image.writeToFile(image::file_type::PNG, true, "debug_pbp_after.png");
|
||||
}
|
||||
#endif
|
||||
|
||||
return dither_array;
|
||||
}
|
||||
|
||||
#endif // DITHERING_VULKAN_ENABLED == 1
|
||||
|
||||
#include "image.hpp"
|
||||
|
|
@ -840,10 +1177,18 @@ image::Bl dither::blue_noise(int width, int height, int threads,
|
|||
goto ENDOF_VULKAN;
|
||||
}
|
||||
}
|
||||
|
||||
auto result = dither::internal::blue_noise_vulkan_impl(
|
||||
device, phys_device, command_buffer, command_pool, compute_queue,
|
||||
pbp_buf, compute_pipeline, compute_pipeline_layout,
|
||||
compute_descriptor_set, filter_out_buf, width, height);
|
||||
if (!result.empty()) {
|
||||
return internal::rangeToBl(result, width);
|
||||
}
|
||||
std::cout << "ERROR: Empty result\n";
|
||||
return {};
|
||||
}
|
||||
ENDOF_VULKAN:
|
||||
std::clog << "TODO: Remove this once Vulkan support is implemented.\n";
|
||||
return {};
|
||||
#else
|
||||
std::clog << "WARNING: Not compiled with Vulkan support!\n";
|
||||
#endif // DITHERING_VULKAN_ENABLED == 1
|
||||
|
|
|
|||
|
|
@ -12,15 +12,13 @@ int twoToOne(int x, int y, int width, int height) {
|
|||
return x + y * width;
|
||||
}
|
||||
|
||||
layout(std140, binding = 0) readonly buffer PreComputed {
|
||||
float precomputed[];
|
||||
};
|
||||
layout(binding = 0) readonly buffer PreComputed { float precomputed[]; };
|
||||
|
||||
layout(std140, binding = 1) writeonly buffer FilterOut { float filter_out[]; };
|
||||
layout(binding = 1) writeonly buffer FilterOut { float filter_out[]; };
|
||||
|
||||
layout(std140, binding = 2) readonly buffer PBP { int pbp[]; };
|
||||
layout(binding = 2) readonly buffer PBP { int pbp[]; };
|
||||
|
||||
layout(std140, binding = 3) readonly buffer Other {
|
||||
layout(binding = 3) readonly buffer Other {
|
||||
int width;
|
||||
int height;
|
||||
int filter_size;
|
||||
|
|
|
|||
|
|
@ -7,7 +7,6 @@
|
|||
#if DITHERING_VULKAN_ENABLED == 1
|
||||
#include <vulkan/vulkan.h>
|
||||
#endif
|
||||
#include <sys/sysinfo.h>
|
||||
|
||||
#include <cassert>
|
||||
#include <chrono>
|
||||
|
|
@ -60,6 +59,13 @@ bool vulkan_create_buffer(VkDevice device, VkPhysicalDevice phys_dev,
|
|||
void vulkan_copy_buffer(VkDevice device, VkCommandPool command_pool,
|
||||
VkQueue queue, VkBuffer src_buf, VkBuffer dst_buf,
|
||||
VkDeviceSize size);
|
||||
|
||||
std::vector<unsigned int> blue_noise_vulkan_impl(
|
||||
VkDevice device, VkPhysicalDevice phys_device,
|
||||
VkCommandBuffer command_buffer, VkCommandPool command_pool, VkQueue queue,
|
||||
VkBuffer pbp_buf, VkPipeline pipeline, VkPipelineLayout pipeline_layout,
|
||||
VkDescriptorSet descriptor_set, VkBuffer filter_out_buf, const int width,
|
||||
const int height);
|
||||
#endif
|
||||
|
||||
#if DITHERING_OPENCL_ENABLED == 1
|
||||
|
|
|
|||
Loading…
Reference in a new issue