diff options
Diffstat (limited to 'modules/cvtt')
| -rw-r--r-- | modules/cvtt/SCsub | 11 | ||||
| -rw-r--r-- | modules/cvtt/image_compress_cvtt.cpp | 34 |
2 files changed, 20 insertions, 25 deletions
diff --git a/modules/cvtt/SCsub b/modules/cvtt/SCsub index e56177d6e9..1d5a7ff6a3 100644 --- a/modules/cvtt/SCsub +++ b/modules/cvtt/SCsub @@ -11,7 +11,16 @@ thirdparty_obj = [] thirdparty_dir = "#thirdparty/cvtt/" thirdparty_sources = [ - "ConvectionKernels.cpp", + "ConvectionKernels_API.cpp", + "ConvectionKernels_ETC.cpp", + "ConvectionKernels_BC67.cpp", + "ConvectionKernels_IndexSelector.cpp", + "ConvectionKernels_BC6H_IO.cpp", + "ConvectionKernels_S3TC.cpp", + "ConvectionKernels_BC7_PrioData.cpp", + "ConvectionKernels_SingleFile.cpp", + "ConvectionKernels_BCCommon.cpp", + "ConvectionKernels_Util.cpp", ] thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources] diff --git a/modules/cvtt/image_compress_cvtt.cpp b/modules/cvtt/image_compress_cvtt.cpp index 9e0579740b..d18340a2c8 100644 --- a/modules/cvtt/image_compress_cvtt.cpp +++ b/modules/cvtt/image_compress_cvtt.cpp @@ -41,7 +41,7 @@ struct CVTTCompressionJobParams { bool is_hdr = false; bool is_signed = false; int bytes_per_pixel = 0; - + cvtt::BC7EncodingPlan bc7_plan; cvtt::Options options; }; @@ -116,7 +116,7 @@ static void _digest_row_task(const CVTTCompressionJobParams &p_job_params, const 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); + cvtt::Kernels::EncodeBC7(output_blocks, input_blocks_ldr, p_job_params.options, p_job_params.bc7_plan); } unsigned int num_real_blocks = ((w - x_start) + 3) / 4; @@ -141,7 +141,6 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann if (p_image->get_format() >= Image::FORMAT_BPTC_RGBA) { return; //do not compress, already compressed } - int w = p_image->get_width(); int h = p_image->get_height(); @@ -153,22 +152,8 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann } cvtt::Options options; - uint32_t flags = cvtt::Flags::Fastest; - - if (p_lossy_quality > 0.85) { - flags = cvtt::Flags::Ultra; - } else if (p_lossy_quality > 0.75) { - flags = cvtt::Flags::Better; - } else if (p_lossy_quality > 0.55) { - flags = cvtt::Flags::Default; - } else if (p_lossy_quality > 0.35) { - flags = cvtt::Flags::Fast; - } else if (p_lossy_quality > 0.15) { - flags = cvtt::Flags::Faster; - } - + uint32_t flags = cvtt::Flags::Default; flags |= cvtt::Flags::BC7_RespectPunchThrough; - if (p_channels == Image::USED_CHANNELS_RG) { //guessing this is a normal map flags |= cvtt::Flags::Uniform; } @@ -215,12 +200,15 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann 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; + cvtt::Kernels::ConfigureBC7EncodingPlanFromQuality(job_queue.job_params.bc7_plan, 5); -#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 + // 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 + // to a parallelized execution of this program, the minimum execution time cannot be less than one hour. + // + // The number of executions with different inputs can be increased while the latency is the same. Vector<CVTTCompressionRowTask> tasks; @@ -278,7 +266,6 @@ void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::UsedChann memdelete(threads_wb[i]); } } - p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data); } @@ -388,6 +375,5 @@ void image_decompress_cvtt(Image *p_image) { w >>= 1; h >>= 1; } - p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data); } |