diff options
Diffstat (limited to 'modules/cvtt/image_compress_cvtt.cpp')
| -rw-r--r-- | modules/cvtt/image_compress_cvtt.cpp | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/modules/cvtt/image_compress_cvtt.cpp b/modules/cvtt/image_compress_cvtt.cpp index a7cfcaa262..3322ff0a1b 100644 --- a/modules/cvtt/image_compress_cvtt.cpp +++ b/modules/cvtt/image_compress_cvtt.cpp @@ -129,14 +129,6 @@ static void _digest_row_task(const CVTTCompressionJobParams &p_job_params, const } } -static void _digest_job_queue(void *p_job_queue) { - CVTTCompressionJobQueue *job_queue = static_cast<CVTTCompressionJobQueue *>(p_job_queue); - - for (uint32_t next_task = job_queue->current_task.increment(); next_task <= job_queue->num_tasks; next_task = job_queue->current_task.increment()) { - _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::UsedChannels p_channels) { if (p_image->get_format() >= Image::FORMAT_BPTC_RGBA) { return; //do not compress, already compressed @@ -202,7 +194,6 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann job_queue.job_params.bytes_per_pixel = is_hdr ? 6 : 4; cvtt::Kernels::ConfigureBC7EncodingPlanFromQuality(job_queue.job_params.bc7_plan, 5); - int num_job_threads = 0; // Amdahl's law (Wikipedia) // If a program needs 20 hours to complete using a single thread, but a one-hour portion of the program cannot be parallelized, // therefore only the remaining 19 hours (p = 0.95) of execution time can be parallelized, then regardless of how many threads are devoted @@ -229,11 +220,7 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann 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); - } + _digest_row_task(job_queue.job_params, row_task); out_bytes += 16 * (bw / 4); } @@ -243,29 +230,6 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann h = MAX(h / 2, 1); } - if (num_job_threads > 0) { - Vector<Thread *> threads; - threads.resize(num_job_threads); - - Thread **threads_wb = threads.ptrw(); - - const CVTTCompressionRowTask *tasks_rb = tasks.ptr(); - - job_queue.job_tasks = &tasks_rb[0]; - job_queue.current_task.set(0); - job_queue.num_tasks = static_cast<uint32_t>(tasks.size()); - - for (int i = 0; i < num_job_threads; i++) { - threads_wb[i] = memnew(Thread); - threads_wb[i]->start(_digest_job_queue, &job_queue); - } - _digest_job_queue(&job_queue); - - for (int i = 0; i < num_job_threads; i++) { - threads_wb[i]->wait_to_finish(); - memdelete(threads_wb[i]); - } - } p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data); } |