opensource/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2026-03-13 09:00:40 +08:00
Code Issues Packages Projects Releases Wiki Activity

vulkan/ffv1: unify all constants buffer into a single buffer

Browse Source 
Less allocations is always better.
This commit is contained in:
Lynne
2026-02-14 05:21:55 +01:00
parent fc10cc4a52
commit f32e70ecc9
4 changed files with 47 additions and 134 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
libavcodec/ffv1enc_vulkan.c
View File

@@ -78,9 +78,7 @@ typedef struct VulkanEncodeFFv1Context {
FFVulkanShader enc;
/* Constant read-only buffers */
FFVkBuffer quant_buf;
FFVkBuffer rangecoder_static_buf;
FFVkBuffer crc_tab_buf;
FFVkBuffer consts_buf;
/* Slice data buffer pool */
AVBufferPool *slice_data_pool;
@@ -1195,48 +1193,33 @@ static av_cold int vulkan_encode_ffv1_init(AVCodecContext *avctx)
if (err < 0)
return err;
/* Range coder data */
err = ff_ffv1_vk_init_state_transition_data(&fv->s,
&fv->rangecoder_static_buf,
f);
if (err < 0)
return err;
/* Quantization table data */
err = ff_ffv1_vk_init_quant_table_data(&fv->s,
&fv->quant_buf,
f);
if (err < 0)
return err;
/* CRC table buffer */
err = ff_ffv1_vk_init_crc_table_data(&fv->s,
&fv->crc_tab_buf,
f);
/* Constant data */
err = ff_ffv1_vk_init_consts(&fv->s, &fv->consts_buf, f);
if (err < 0)
return err;
/* Update setup global descriptors */
RET(ff_vk_shader_update_desc_buffer(&fv->s, &fv->exec_pool.contexts[0],
&fv->setup, 0, 0, 0,
&fv->rangecoder_static_buf,
0, 512*sizeof(uint8_t),
&fv->consts_buf,
256*sizeof(uint32_t), 512*sizeof(uint8_t),
VK_FORMAT_UNDEFINED));
/* Update encode global descriptors */
RET(ff_vk_shader_update_desc_buffer(&fv->s, &fv->exec_pool.contexts[0],
&fv->enc, 0, 0, 0,
&fv->rangecoder_static_buf,
0, fv->rangecoder_static_buf.size,
&fv->consts_buf,
256*sizeof(uint32_t), 512*sizeof(uint8_t),
VK_FORMAT_UNDEFINED));
RET(ff_vk_shader_update_desc_buffer(&fv->s, &fv->exec_pool.contexts[0],
&fv->enc, 0, 1, 0,
&fv->quant_buf,
0, VK_WHOLE_SIZE,
&fv->consts_buf,
256*sizeof(uint32_t) + 512*sizeof(uint8_t),
VK_WHOLE_SIZE,
VK_FORMAT_UNDEFINED));
RET(ff_vk_shader_update_desc_buffer(&fv->s, &fv->exec_pool.contexts[0],
&fv->enc, 0, 2, 0,
&fv->crc_tab_buf,
&fv->consts_buf,
0, 256*sizeof(uint32_t),
VK_FORMAT_UNDEFINED));
@@ -1292,9 +1275,7 @@ static av_cold int vulkan_encode_ffv1_close(AVCodecContext *avctx)
av_buffer_unref(&fv->keyframe_slice_data_ref);
av_buffer_pool_uninit(&fv->slice_data_pool);
ff_vk_free_buf(&fv->s, &fv->quant_buf);
ff_vk_free_buf(&fv->s, &fv->rangecoder_static_buf);
ff_vk_free_buf(&fv->s, &fv->crc_tab_buf);
ff_vk_free_buf(&fv->s, &fv->consts_buf);
av_free(fv->buf_regions);
av_frame_free(&fv->frame);