diff options
Diffstat (limited to 'src/intel/vulkan/anv_blorp.c')
| -rw-r--r-- | src/intel/vulkan/anv_blorp.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c index 23ebc429bf3..2788a431a3f 100644 --- a/src/intel/vulkan/anv_blorp.c +++ b/src/intel/vulkan/anv_blorp.c @@ -479,3 +479,190 @@ 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 | + ISL_SURF_USAGE_RENDER_TARGET_BIT, + .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); +} + +/* This is maximum possible width/height our HW can handle */ +#define MAX_SURFACE_DIM (1ull << 14) + +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); + + 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); + + /* 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; + } + + /* Now make a max-width copy */ + 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; + } + + /* Finally, make a small copy to finish it off */ + 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 < MAX_SURFACE_DIM * 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(&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); +} |