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Diffstat (limited to 'modules/cvtt/image_compress_cvtt.cpp')
-rw-r--r--modules/cvtt/image_compress_cvtt.cpp204
1 files changed, 149 insertions, 55 deletions
diff --git a/modules/cvtt/image_compress_cvtt.cpp b/modules/cvtt/image_compress_cvtt.cpp
index c860942d33..3a371c8597 100644
--- a/modules/cvtt/image_compress_cvtt.cpp
+++ b/modules/cvtt/image_compress_cvtt.cpp
@@ -30,10 +30,112 @@
#include "image_compress_cvtt.h"
+#include "os/os.h"
+#include "os/thread.h"
#include "print_string.h"
#include <ConvectionKernels.h>
+struct CVTTCompressionJobParams {
+ bool is_hdr;
+ bool is_signed;
+ int bytes_per_pixel;
+
+ cvtt::Options options;
+};
+
+struct CVTTCompressionRowTask {
+ const uint8_t *in_mm_bytes;
+ uint8_t *out_mm_bytes;
+ int y_start;
+ int width;
+ int height;
+};
+
+struct CVTTCompressionJobQueue {
+ CVTTCompressionJobParams job_params;
+ const CVTTCompressionRowTask *job_tasks;
+ uint32_t num_tasks;
+ uint32_t current_task;
+};
+
+static void _digest_row_task(const CVTTCompressionJobParams &p_job_params, const CVTTCompressionRowTask &p_row_task) {
+ const uint8_t *in_bytes = p_row_task.in_mm_bytes;
+ uint8_t *out_bytes = p_row_task.out_mm_bytes;
+ int w = p_row_task.width;
+ int h = p_row_task.height;
+
+ int y_start = p_row_task.y_start;
+ int y_end = y_start + 4;
+
+ int bytes_per_pixel = p_job_params.bytes_per_pixel;
+ bool is_hdr = p_job_params.is_hdr;
+ bool is_signed = p_job_params.is_signed;
+
+ cvtt::PixelBlockU8 input_blocks_ldr[cvtt::NumParallelBlocks];
+ cvtt::PixelBlockF16 input_blocks_hdr[cvtt::NumParallelBlocks];
+
+ for (int x_start = 0; x_start < w; x_start += 4 * cvtt::NumParallelBlocks) {
+ int x_end = x_start + 4 * cvtt::NumParallelBlocks;
+
+ for (int y = y_start; y < y_end; y++) {
+ int first_input_element = (y - y_start) * 4;
+ const uint8_t *row_start;
+ if (y >= h) {
+ row_start = in_bytes + (h - 1) * (w * bytes_per_pixel);
+ } else {
+ row_start = in_bytes + y * (w * bytes_per_pixel);
+ }
+
+ for (int x = x_start; x < x_end; x++) {
+ const uint8_t *pixel_start;
+ if (x >= w) {
+ pixel_start = row_start + (w - 1) * bytes_per_pixel;
+ } else {
+ pixel_start = row_start + x * bytes_per_pixel;
+ }
+
+ int block_index = (x - x_start) / 4;
+ int block_element = (x - x_start) % 4 + first_input_element;
+ if (is_hdr) {
+ memcpy(input_blocks_hdr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
+ input_blocks_hdr[block_index].m_pixels[block_element][3] = 0x3c00; // 1.0 (unused)
+ } else {
+ memcpy(input_blocks_ldr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
+ }
+ }
+ }
+
+ uint8_t output_blocks[16 * cvtt::NumParallelBlocks];
+
+ if (is_hdr) {
+ if (is_signed) {
+ cvtt::Kernels::EncodeBC6HS(output_blocks, input_blocks_hdr, p_job_params.options);
+ } else {
+ cvtt::Kernels::EncodeBC6HU(output_blocks, input_blocks_hdr, p_job_params.options);
+ }
+ } else {
+ cvtt::Kernels::EncodeBC7(output_blocks, input_blocks_ldr, p_job_params.options);
+ }
+
+ int num_real_blocks = ((w - x_start) + 3) / 4;
+ if (num_real_blocks > cvtt::NumParallelBlocks) {
+ num_real_blocks = cvtt::NumParallelBlocks;
+ }
+
+ memcpy(out_bytes, output_blocks, 16 * num_real_blocks);
+ out_bytes += 16 * num_real_blocks;
+ }
+}
+
+static void _digest_job_queue(void *p_job_queue) {
+ CVTTCompressionJobQueue *job_queue = static_cast<CVTTCompressionJobQueue *>(p_job_queue);
+
+ for (int next_task = atomic_increment(&job_queue->current_task); next_task <= job_queue->num_tasks; next_task = atomic_increment(&job_queue->current_task)) {
+ _digest_row_task(job_queue->job_params, job_queue->job_tasks[next_task - 1]);
+ }
+}
+
void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::CompressSource p_source) {
if (p_image->get_format() >= Image::FORMAT_BPTC_RGBA)
@@ -101,6 +203,20 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::CompressS
int dst_ofs = 0;
+ CVTTCompressionJobQueue job_queue;
+ job_queue.job_params.is_hdr = is_hdr;
+ job_queue.job_params.is_signed = is_signed;
+ job_queue.job_params.options = options;
+ job_queue.job_params.bytes_per_pixel = is_hdr ? 6 : 4;
+
+#ifdef NO_THREADS
+ int num_job_threads = 0;
+#else
+ int num_job_threads = OS::get_singleton()->can_use_threads() ? (OS::get_singleton()->get_processor_count() - 1) : 0;
+#endif
+
+ PoolVector<CVTTCompressionRowTask> tasks;
+
for (int i = 0; i <= mm_count; i++) {
int bw = w % 4 != 0 ? w + (4 - w % 4) : w;
@@ -111,75 +227,53 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::CompressS
const uint8_t *in_bytes = &rb[src_ofs];
uint8_t *out_bytes = &wb[dst_ofs];
- cvtt::PixelBlockU8 input_blocks_ldr[cvtt::NumParallelBlocks];
- cvtt::PixelBlockF16 input_blocks_hdr[cvtt::NumParallelBlocks];
-
- int bytes_per_pixel = is_hdr ? 6 : 4;
-
for (int y_start = 0; y_start < h; y_start += 4) {
int y_end = y_start + 4;
- for (int x_start = 0; x_start < w; x_start += 4 * cvtt::NumParallelBlocks) {
- int x_end = x_start + 4 * cvtt::NumParallelBlocks;
+ CVTTCompressionRowTask row_task;
+ row_task.width = w;
+ row_task.height = h;
+ row_task.y_start = y_start;
+ row_task.in_mm_bytes = in_bytes;
+ row_task.out_mm_bytes = out_bytes;
+
+ if (num_job_threads > 0) {
+ tasks.push_back(row_task);
+ } else {
+ _digest_row_task(job_queue.job_params, row_task);
+ }
- for (int y = y_start; y < y_end; y++) {
- int first_input_element = (y - y_start) * 4;
- const uint8_t *row_start;
- if (y >= h) {
- row_start = in_bytes + (h - 1) * (w * bytes_per_pixel);
- } else {
- row_start = in_bytes + y * (w * bytes_per_pixel);
- }
+ out_bytes += 16 * (bw / 4);
+ }
- for (int x = x_start; x < x_end; x++) {
- const uint8_t *pixel_start;
- if (x >= w) {
- pixel_start = row_start + (w - 1) * bytes_per_pixel;
- } else {
- pixel_start = row_start + x * bytes_per_pixel;
- }
+ dst_ofs += (MAX(4, bw) * MAX(4, bh)) >> shift;
+ w >>= 1;
+ h >>= 1;
+ }
- int block_index = (x - x_start) / 4;
- int block_element = (x - x_start) % 4 + first_input_element;
- if (is_hdr) {
- memcpy(input_blocks_hdr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
- input_blocks_hdr[block_index].m_pixels[block_element][3] = 0x3c00; // 1.0 (unused)
- } else {
- memcpy(input_blocks_ldr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
- }
- }
- }
+ if (num_job_threads > 0) {
+ PoolVector<Thread *> threads;
+ threads.resize(num_job_threads);
- uint8_t output_blocks[16 * cvtt::NumParallelBlocks];
+ PoolVector<Thread *>::Write threads_wb = threads.write();
- if (is_hdr) {
- if (is_signed) {
- cvtt::Kernels::EncodeBC6HS(output_blocks, input_blocks_hdr, options);
- } else {
- cvtt::Kernels::EncodeBC6HU(output_blocks, input_blocks_hdr, options);
- }
- } else {
- cvtt::Kernels::EncodeBC7(output_blocks, input_blocks_ldr, options);
- }
+ PoolVector<CVTTCompressionRowTask>::Read tasks_rb = tasks.read();
- int num_real_blocks = ((w - x_start) + 3) / 4;
- if (num_real_blocks > cvtt::NumParallelBlocks) {
- num_real_blocks = cvtt::NumParallelBlocks;
- }
+ job_queue.job_tasks = &tasks_rb[0];
+ job_queue.current_task = 0;
+ job_queue.num_tasks = static_cast<uint32_t>(tasks.size());
- memcpy(out_bytes, output_blocks, 16 * num_real_blocks);
- out_bytes += 16 * num_real_blocks;
- }
+ for (int i = 0; i < num_job_threads; i++) {
+ threads_wb[i] = Thread::create(_digest_job_queue, &job_queue);
}
+ _digest_job_queue(&job_queue);
- dst_ofs += (MAX(4, bw) * MAX(4, bh)) >> shift;
- w >>= 1;
- h >>= 1;
+ for (int i = 0; i < num_job_threads; i++) {
+ Thread::wait_to_finish(threads_wb[i]);
+ memdelete(threads_wb[i]);
+ }
}
- rb = PoolVector<uint8_t>::Read();
- wb = PoolVector<uint8_t>::Write();
-
p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:51:47 +0000