[Mesa-dev] [PATCH 30/33] anv: Use blorp for CopyBuffer and UpdateBuffer
Jason Ekstrand
jason at jlekstrand.net
Sat Sep 10 02:25:46 UTC 2016
On Fri, Sep 9, 2016 at 5:47 PM, Nanley Chery <nanleychery at gmail.com> wrote:
> On Wed, Aug 31, 2016 at 02:22:49PM -0700, Jason Ekstrand wrote:
> > ---
> > src/intel/vulkan/Makefile.sources | 1 -
> > src/intel/vulkan/anv_blorp.c | 184 ++++++++++++++++++++++++++++++
> ++++++++
> > src/intel/vulkan/anv_meta_copy.c | 180 ------------------------------
> -------
> > 3 files changed, 184 insertions(+), 181 deletions(-)
> > delete mode 100644 src/intel/vulkan/anv_meta_copy.c
> >
> > diff --git a/src/intel/vulkan/Makefile.sources
> b/src/intel/vulkan/Makefile.sources
> > index 35e15f6..6c9853b 100644
> > --- a/src/intel/vulkan/Makefile.sources
> > +++ b/src/intel/vulkan/Makefile.sources
> > @@ -35,7 +35,6 @@ VULKAN_FILES := \
> > anv_meta.h \
> > anv_meta_blit2d.c \
> > anv_meta_clear.c \
> > - anv_meta_copy.c \
> > anv_meta_resolve.c \
> > anv_nir.h \
> > anv_nir_apply_dynamic_offsets.c \
> > diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c
> > index 89ff3b3..e2b6672 100644
> > --- a/src/intel/vulkan/anv_blorp.c
> > +++ b/src/intel/vulkan/anv_blorp.c
> > @@ -479,3 +479,187 @@ void anv_CmdBlitImage(
> >
> > blorp_batch_finish(&batch);
> > }
> > +
> > +static void
> > +do_buffer_copy(struct blorp_batch *batch,
> > + struct anv_bo *src, uint64_t src_offset,
> > + struct anv_bo *dst, uint64_t dst_offset,
> > + int width, int height, int block_size)
> > +{
> > + struct anv_device *device = batch->blorp->driver_ctx;
> > +
> > + /* The actual format we pick doesn't matter as blorp will throw it
> away.
> > + * The only thing that actually matters is the size.
> > + */
> > + enum isl_format format;
> > + switch (block_size) {
> > + case 1: format = ISL_FORMAT_R8_UINT; break;
> > + case 2: format = ISL_FORMAT_R8G8_UINT; break;
> > + case 4: format = ISL_FORMAT_R8G8B8A8_UNORM; break;
> > + case 8: format = ISL_FORMAT_R16G16B16A16_UNORM; break;
> > + case 16: format = ISL_FORMAT_R32G32B32A32_UINT; break;
> > + default:
> > + unreachable("Not a power-of-two format size");
> > + }
> > +
> > + struct isl_surf surf;
> > + isl_surf_init(&device->isl_dev, &surf,
> > + .dim = ISL_SURF_DIM_2D,
> > + .format = format,
> > + .width = width,
> > + .height = height,
> > + .depth = 1,
> > + .levels = 1,
> > + .array_len = 1,
> > + .samples = 1,
> > + .usage = ISL_SURF_USAGE_TEXTURE_BIT,
>
> Shouldn't we also OR in ISL_SURF_USAGE_RENDER_TARGET_BIT?
>
Yes we should.
> > + .tiling_flags = ISL_TILING_LINEAR_BIT);
> > + assert(surf.row_pitch == width * block_size);
> > +
> > + struct blorp_surf src_blorp_surf = {
> > + .surf = &surf,
> > + .addr = {
> > + .buffer = src,
> > + .offset = src_offset,
> > + },
> > + };
> > +
> > + struct blorp_surf dst_blorp_surf = {
> > + .surf = &surf,
> > + .addr = {
> > + .buffer = dst,
> > + .offset = dst_offset,
> > + },
> > + };
> > +
> > + blorp_copy(batch, &src_blorp_surf, 0, 0, &dst_blorp_surf, 0, 0,
> > + 0, 0, 0, 0, width, height);
> > +}
> > +
> > +void anv_CmdCopyBuffer(
> > + VkCommandBuffer commandBuffer,
> > + VkBuffer srcBuffer,
> > + VkBuffer dstBuffer,
> > + uint32_t regionCount,
> > + const VkBufferCopy* pRegions)
> > +{
> > + ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> > + ANV_FROM_HANDLE(anv_buffer, src_buffer, srcBuffer);
> > + ANV_FROM_HANDLE(anv_buffer, dst_buffer, dstBuffer);
> > +
> > + struct blorp_batch batch;
> > + blorp_batch_init(&cmd_buffer->device->blorp, &batch, cmd_buffer);
> > +
> > + for (unsigned r = 0; r < regionCount; r++) {
> > + uint64_t src_offset = src_buffer->offset + pRegions[r].srcOffset;
> > + uint64_t dst_offset = dst_buffer->offset + pRegions[r].dstOffset;
> > + uint64_t copy_size = pRegions[r].size;
> > +
> > + /* First, we compute the biggest format that can be used with the
> > + * given offsets and size.
> > + */
> > + int bs = 16;
> > +
> > + int fs = ffs(src_offset) - 1;
> > + if (fs != -1)
> > + bs = MIN2(bs, 1 << fs);
> > + assert(src_offset % bs == 0);
>
> I think we could replace this math and some math in
> anv_CmdUpdateBuffer() with logic that's a bit simpler:
>
> /* Get the greatest power-of-two multiple between a number and a
> * power-of-two upper-bound.
> */
> #define gcm_pow2(val, max_pow2m) (1 << (ffs((val)|(max_pow2m)) - 1))
>
That's a good idea. I just pushed to the branch with two new patches for
you to look at. One which uses gcm_pow2 and one which sets the usage bits
as requested above. Let me know what you think.
> bs = gcm_pow2(src_offset, bs);
> assert(src_offset % bs == 0);
>
> > +
> > + fs = ffs(dst_offset) - 1;
> > + if (fs != -1)
> > + bs = MIN2(bs, 1 << fs);
> > + assert(dst_offset % bs == 0);
> > +
> > + fs = ffs(pRegions[r].size) - 1;
> > + if (fs != -1)
> > + bs = MIN2(bs, 1 << fs);
> > + assert(pRegions[r].size % bs == 0);
> > +
> > + /* This is maximum possible width/height our HW can handle */
> > + uint64_t max_surface_dim = 1 << 14;
> > +
> > + /* First, we make a bunch of max-sized copies */
> > + uint64_t max_copy_size = max_surface_dim * max_surface_dim * bs;
> > + while (copy_size >= max_copy_size) {
> > + do_buffer_copy(&batch, src_buffer->bo, src_offset,
> > + dst_buffer->bo, dst_offset,
> > + max_surface_dim, max_surface_dim, bs);
> > + copy_size -= max_copy_size;
> > + src_offset += max_copy_size;
> > + dst_offset += max_copy_size;
> > + }
> > +
> > + uint64_t height = copy_size / (max_surface_dim * bs);
> > + assert(height < max_surface_dim);
> > + if (height != 0) {
> > + uint64_t rect_copy_size = height * max_surface_dim * bs;
> > + do_buffer_copy(&batch, src_buffer->bo, src_offset,
> > + dst_buffer->bo, dst_offset,
> > + max_surface_dim, height, bs);
> > + copy_size -= rect_copy_size;
> > + src_offset += rect_copy_size;
> > + dst_offset += rect_copy_size;
> > + }
> > +
> > + if (copy_size != 0) {
> > + do_buffer_copy(&batch, src_buffer->bo, src_offset,
> > + dst_buffer->bo, dst_offset,
> > + copy_size / bs, 1, bs);
> > + }
> > + }
> > +
> > + blorp_batch_finish(&batch);
> > +}
> > +
> > +void anv_CmdUpdateBuffer(
> > + VkCommandBuffer commandBuffer,
> > + VkBuffer dstBuffer,
> > + VkDeviceSize dstOffset,
> > + VkDeviceSize dataSize,
> > + const uint32_t* pData)
> > +{
> > + ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> > + ANV_FROM_HANDLE(anv_buffer, dst_buffer, dstBuffer);
> > +
> > + struct blorp_batch batch;
> > + blorp_batch_init(&cmd_buffer->device->blorp, &batch, cmd_buffer);
> > +
> > + /* We can't quite grab a full block because the state stream needs a
> > + * little data at the top to build its linked list.
> > + */
> > + const uint32_t max_update_size =
> > + cmd_buffer->device->dynamic_state_block_pool.block_size - 64;
> > +
> > + assert(max_update_size < (1 << 14) * 4);
> > +
> > + while (dataSize) {
> > + const uint32_t copy_size = MIN2(dataSize, max_update_size);
> > +
> > + struct anv_state tmp_data =
> > + anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, copy_size, 64);
> > +
> > + memcpy(tmp_data.map, pData, copy_size);
> > +
> > + int bs;
> > + if ((copy_size & 15) == 0 && (dstOffset & 15) == 0) {
> > + bs = 16;
> > + } else if ((copy_size & 7) == 0 && (dstOffset & 7) == 0) {
> > + bs = 8;
> > + } else {
> > + assert((copy_size & 3) == 0 && (dstOffset & 3) == 0);
> > + bs = 4;
> > + }
>
> We can also replace this with two calls of the macro, like so:
> bs = gcm_pow2(copy_size, 16);
> bs = gcm_pow2(dstOffset, bs);
>
> - Nanley
>
> > +
> > + do_buffer_copy(&batch,
> > + &cmd_buffer->device->dynamic_state_block_pool.bo,
> > + tmp_data.offset,
> > + dst_buffer->bo, dst_buffer->offset + dstOffset,
> > + copy_size / bs, 1, bs);
> > +
> > + dataSize -= copy_size;
> > + dstOffset += copy_size;
> > + pData = (void *)pData + copy_size;
> > + }
> > +
> > + blorp_batch_finish(&batch);
> > +}
> > diff --git a/src/intel/vulkan/anv_meta_copy.c
> b/src/intel/vulkan/anv_meta_copy.c
> > deleted file mode 100644
> > index b33273e..0000000
> > --- a/src/intel/vulkan/anv_meta_copy.c
> > +++ /dev/null
> > @@ -1,180 +0,0 @@
> > -/*
> > - * Copyright © 2016 Intel Corporation
> > - *
> > - * Permission is hereby granted, free of charge, to any person
> obtaining a
> > - * copy of this software and associated documentation files (the
> "Software"),
> > - * to deal in the Software without restriction, including without
> limitation
> > - * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> > - * and/or sell copies of the Software, and to permit persons to whom the
> > - * Software is furnished to do so, subject to the following conditions:
> > - *
> > - * The above copyright notice and this permission notice (including the
> next
> > - * paragraph) shall be included in all copies or substantial portions
> of the
> > - * Software.
> > - *
> > - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> > - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> > - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> SHALL
> > - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
> OTHER
> > - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> ARISING
> > - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> DEALINGS
> > - * IN THE SOFTWARE.
> > - */
> > -
> > -#include "anv_meta.h"
> > -
> > -static void
> > -do_buffer_copy(struct anv_cmd_buffer *cmd_buffer,
> > - struct anv_bo *src, uint64_t src_offset,
> > - struct anv_bo *dest, uint64_t dest_offset,
> > - int width, int height, int bs)
> > -{
> > - struct anv_meta_blit2d_surf b_src = {
> > - .bo = src,
> > - .tiling = ISL_TILING_LINEAR,
> > - .base_offset = src_offset,
> > - .bs = bs,
> > - .pitch = width * bs,
> > - };
> > - struct anv_meta_blit2d_surf b_dst = {
> > - .bo = dest,
> > - .tiling = ISL_TILING_LINEAR,
> > - .base_offset = dest_offset,
> > - .bs = bs,
> > - .pitch = width * bs,
> > - };
> > - struct anv_meta_blit2d_rect rect = {
> > - .width = width,
> > - .height = height,
> > - };
> > - anv_meta_blit2d(cmd_buffer, &b_src, &b_dst, 1, &rect);
> > -}
> > -
> > -void anv_CmdCopyBuffer(
> > - VkCommandBuffer commandBuffer,
> > - VkBuffer srcBuffer,
> > - VkBuffer destBuffer,
> > - uint32_t regionCount,
> > - const VkBufferCopy* pRegions)
> > -{
> > - ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> > - ANV_FROM_HANDLE(anv_buffer, src_buffer, srcBuffer);
> > - ANV_FROM_HANDLE(anv_buffer, dest_buffer, destBuffer);
> > -
> > - struct anv_meta_saved_state saved_state;
> > -
> > - anv_meta_begin_blit2d(cmd_buffer, &saved_state);
> > -
> > - for (unsigned r = 0; r < regionCount; r++) {
> > - uint64_t src_offset = src_buffer->offset + pRegions[r].srcOffset;
> > - uint64_t dest_offset = dest_buffer->offset +
> pRegions[r].dstOffset;
> > - uint64_t copy_size = pRegions[r].size;
> > -
> > - /* First, we compute the biggest format that can be used with the
> > - * given offsets and size.
> > - */
> > - int bs = 16;
> > -
> > - int fs = ffs(src_offset) - 1;
> > - if (fs != -1)
> > - bs = MIN2(bs, 1 << fs);
> > - assert(src_offset % bs == 0);
> > -
> > - fs = ffs(dest_offset) - 1;
> > - if (fs != -1)
> > - bs = MIN2(bs, 1 << fs);
> > - assert(dest_offset % bs == 0);
> > -
> > - fs = ffs(pRegions[r].size) - 1;
> > - if (fs != -1)
> > - bs = MIN2(bs, 1 << fs);
> > - assert(pRegions[r].size % bs == 0);
> > -
> > - /* This is maximum possible width/height our HW can handle */
> > - uint64_t max_surface_dim = 1 << 14;
> > -
> > - /* First, we make a bunch of max-sized copies */
> > - uint64_t max_copy_size = max_surface_dim * max_surface_dim * bs;
> > - while (copy_size >= max_copy_size) {
> > - do_buffer_copy(cmd_buffer, src_buffer->bo, src_offset,
> > - dest_buffer->bo, dest_offset,
> > - max_surface_dim, max_surface_dim, bs);
> > - copy_size -= max_copy_size;
> > - src_offset += max_copy_size;
> > - dest_offset += max_copy_size;
> > - }
> > -
> > - uint64_t height = copy_size / (max_surface_dim * bs);
> > - assert(height < max_surface_dim);
> > - if (height != 0) {
> > - uint64_t rect_copy_size = height * max_surface_dim * bs;
> > - do_buffer_copy(cmd_buffer, src_buffer->bo, src_offset,
> > - dest_buffer->bo, dest_offset,
> > - max_surface_dim, height, bs);
> > - copy_size -= rect_copy_size;
> > - src_offset += rect_copy_size;
> > - dest_offset += rect_copy_size;
> > - }
> > -
> > - if (copy_size != 0) {
> > - do_buffer_copy(cmd_buffer, src_buffer->bo, src_offset,
> > - dest_buffer->bo, dest_offset,
> > - copy_size / bs, 1, bs);
> > - }
> > - }
> > -
> > - anv_meta_end_blit2d(cmd_buffer, &saved_state);
> > -}
> > -
> > -void anv_CmdUpdateBuffer(
> > - VkCommandBuffer commandBuffer,
> > - VkBuffer dstBuffer,
> > - VkDeviceSize dstOffset,
> > - VkDeviceSize dataSize,
> > - const uint32_t* pData)
> > -{
> > - ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> > - ANV_FROM_HANDLE(anv_buffer, dst_buffer, dstBuffer);
> > - struct anv_meta_saved_state saved_state;
> > -
> > - anv_meta_begin_blit2d(cmd_buffer, &saved_state);
> > -
> > - /* We can't quite grab a full block because the state stream needs a
> > - * little data at the top to build its linked list.
> > - */
> > - const uint32_t max_update_size =
> > - cmd_buffer->device->dynamic_state_block_pool.block_size - 64;
> > -
> > - assert(max_update_size < (1 << 14) * 4);
> > -
> > - while (dataSize) {
> > - const uint32_t copy_size = MIN2(dataSize, max_update_size);
> > -
> > - struct anv_state tmp_data =
> > - anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, copy_size, 64);
> > -
> > - memcpy(tmp_data.map, pData, copy_size);
> > -
> > - int bs;
> > - if ((copy_size & 15) == 0 && (dstOffset & 15) == 0) {
> > - bs = 16;
> > - } else if ((copy_size & 7) == 0 && (dstOffset & 7) == 0) {
> > - bs = 8;
> > - } else {
> > - assert((copy_size & 3) == 0 && (dstOffset & 3) == 0);
> > - bs = 4;
> > - }
> > -
> > - do_buffer_copy(cmd_buffer,
> > - &cmd_buffer->device->dynamic_state_block_pool.bo,
> > - tmp_data.offset,
> > - dst_buffer->bo, dst_buffer->offset + dstOffset,
> > - copy_size / bs, 1, bs);
> > -
> > - dataSize -= copy_size;
> > - dstOffset += copy_size;
> > - pData = (void *)pData + copy_size;
> > - }
> > -
> > - anv_meta_end_blit2d(cmd_buffer, &saved_state);
> > -}
> > --
> > 2.5.0.400.gff86faf
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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