diff options
| -rw-r--r-- | src/vulkan/anv_cmd_buffer.c | 54 | ||||
| -rw-r--r-- | src/vulkan/anv_private.h | 2 |
2 files changed, 56 insertions, 0 deletions
diff --git a/src/vulkan/anv_cmd_buffer.c b/src/vulkan/anv_cmd_buffer.c index aacd2ab60e3..d34d53dcbb3 100644 --- a/src/vulkan/anv_cmd_buffer.c +++ b/src/vulkan/anv_cmd_buffer.c @@ -927,6 +927,60 @@ anv_cmd_buffer_push_constants(struct anv_cmd_buffer *cmd_buffer, return state; } +struct anv_state +anv_cmd_buffer_cs_push_constants(struct anv_cmd_buffer *cmd_buffer) +{ + struct anv_push_constants *data = + cmd_buffer->state.push_constants[MESA_SHADER_COMPUTE]; + struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline; + const struct brw_cs_prog_data *cs_prog_data = &pipeline->cs_prog_data; + const struct brw_stage_prog_data *prog_data = &cs_prog_data->base; + + const unsigned local_id_dwords = cs_prog_data->local_invocation_id_regs * 8; + const unsigned push_constant_data_size = + (local_id_dwords + prog_data->nr_params) * sizeof(gl_constant_value); + const unsigned reg_aligned_constant_size = ALIGN(push_constant_data_size, 32); + const unsigned param_aligned_count = + reg_aligned_constant_size / sizeof(uint32_t); + + /* If we don't actually have any push constants, bail. */ + if (reg_aligned_constant_size == 0) + return (struct anv_state) { .offset = 0 }; + + const unsigned threads = pipeline->cs_thread_width_max; + const unsigned total_push_constants_size = + reg_aligned_constant_size * threads; + struct anv_state state = + anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, + total_push_constants_size, + 32 /* bottom 5 bits MBZ */); + + /* Walk through the param array and fill the buffer with data */ + uint32_t *u32_map = state.map; + + brw_cs_fill_local_id_payload(cs_prog_data, u32_map, threads, + reg_aligned_constant_size); + + /* Setup uniform data for the first thread */ + for (unsigned i = 0; i < prog_data->nr_params; i++) { + uint32_t offset = (uintptr_t)prog_data->param[i]; + u32_map[local_id_dwords + i] = *(uint32_t *)((uint8_t *)data + offset); + } + + /* Copy uniform data from the first thread to every other thread */ + const size_t uniform_data_size = prog_data->nr_params * sizeof(uint32_t); + for (unsigned t = 1; t < threads; t++) { + memcpy(&u32_map[t * param_aligned_count + local_id_dwords], + &u32_map[local_id_dwords], + uniform_data_size); + } + + if (!cmd_buffer->device->info.has_llc) + anv_state_clflush(state); + + return state; +} + void anv_CmdPushConstants( VkCommandBuffer commandBuffer, VkPipelineLayout layout, diff --git a/src/vulkan/anv_private.h b/src/vulkan/anv_private.h index 77aa3852259..a180b9c69c3 100644 --- a/src/vulkan/anv_private.h +++ b/src/vulkan/anv_private.h @@ -1184,6 +1184,8 @@ void anv_cmd_buffer_begin_subpass(struct anv_cmd_buffer *cmd_buffer, struct anv_state anv_cmd_buffer_push_constants(struct anv_cmd_buffer *cmd_buffer, gl_shader_stage stage); +struct anv_state +anv_cmd_buffer_cs_push_constants(struct anv_cmd_buffer *cmd_buffer); void anv_cmd_buffer_clear_attachments(struct anv_cmd_buffer *cmd_buffer, struct anv_render_pass *pass, |