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d3d12: Handle indirect dispatch

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Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14367>
This commit is contained in:
Jesse Natalie 2021-12-31 16:56:08 -08:00 • committed by Marge Bot
parent 9cc6b17c8a
commit 9f67f432d7
1 changed files with 14 additions and 0 deletions
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14
src/gallium/drivers/d3d12/d3d12_draw.cpp
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@ -1022,6 +1022,20 @@ d3d12_launch_grid(struct pipe_context *pctx, const struct pipe_grid_info *info)
struct d3d12_context *ctx = d3d12_context(pctx);
struct d3d12_batch *batch;
if (info->indirect) {
/* TODO: Use a compute shader to retrieve state vars if necessary, and do an actual indirect dispatch */
pipe_box box = { (int)info->indirect_offset, 0, 0, sizeof(info->grid), 1, 1 };
pipe_transfer *transfer = nullptr;
void *map = pctx->buffer_map(pctx, info->indirect, 0, PIPE_MAP_READ, &box, &transfer);
pipe_grid_info new_info = *info;
new_info.indirect = nullptr;
memcpy(new_info.grid, map, sizeof(new_info.grid));
pctx->buffer_unmap(pctx, transfer);
d3d12_launch_grid(pctx, &new_info);
return;
}
d3d12_select_compute_shader_variants(ctx, info);
d3d12_validate_queries(ctx);
struct d3d12_shader *shader = ctx->compute_state ? ctx->compute_state->current : NULL;