1 /*
2  * Copyright © 2021 Raspberry Pi
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "v3dv_private.h"
25 #include "broadcom/common/v3d_macros.h"
26 #include "broadcom/cle/v3dx_pack.h"
27 #include "broadcom/compiler/v3d_compiler.h"
28 
29 void
v3dX(job_emit_noop)30 v3dX(job_emit_noop)(struct v3dv_job *job)
31 {
32    v3dv_job_start_frame(job, 1, 1, 1, true, 1, V3D_INTERNAL_BPP_32, false);
33    v3dX(job_emit_binning_flush)(job);
34 
35    struct v3dv_cl *rcl = &job->rcl;
36    v3dv_cl_ensure_space_with_branch(rcl, 200 + 1 * 256 *
37                                     cl_packet_length(SUPERTILE_COORDINATES));
38 
39    cl_emit(rcl, TILE_RENDERING_MODE_CFG_COMMON, config) {
40       config.early_z_disable = true;
41       config.image_width_pixels = 1;
42       config.image_height_pixels = 1;
43       config.number_of_render_targets = 1;
44       config.multisample_mode_4x = false;
45       config.maximum_bpp_of_all_render_targets = V3D_INTERNAL_BPP_32;
46    }
47 
48    cl_emit(rcl, TILE_RENDERING_MODE_CFG_COLOR, rt) {
49       rt.render_target_0_internal_bpp = V3D_INTERNAL_BPP_32;
50       rt.render_target_0_internal_type = V3D_INTERNAL_TYPE_8;
51       rt.render_target_0_clamp = V3D_RENDER_TARGET_CLAMP_NONE;
52    }
53 
54    cl_emit(rcl, TILE_RENDERING_MODE_CFG_ZS_CLEAR_VALUES, clear) {
55       clear.z_clear_value = 1.0f;
56       clear.stencil_clear_value = 0;
57    };
58 
59    cl_emit(rcl, TILE_LIST_INITIAL_BLOCK_SIZE, init) {
60       init.use_auto_chained_tile_lists = true;
61       init.size_of_first_block_in_chained_tile_lists =
62          TILE_ALLOCATION_BLOCK_SIZE_64B;
63    }
64 
65    cl_emit(rcl, MULTICORE_RENDERING_TILE_LIST_SET_BASE, list) {
66       list.address = v3dv_cl_address(job->tile_alloc, 0);
67    }
68 
69    cl_emit(rcl, MULTICORE_RENDERING_SUPERTILE_CFG, config) {
70       config.number_of_bin_tile_lists = 1;
71       config.total_frame_width_in_tiles = 1;
72       config.total_frame_height_in_tiles = 1;
73       config.supertile_width_in_tiles = 1;
74       config.supertile_height_in_tiles = 1;
75       config.total_frame_width_in_supertiles = 1;
76       config.total_frame_height_in_supertiles = 1;
77    }
78 
79    struct v3dv_cl *icl = &job->indirect;
80    v3dv_cl_ensure_space(icl, 200, 1);
81    struct v3dv_cl_reloc tile_list_start = v3dv_cl_get_address(icl);
82 
83    cl_emit(icl, TILE_COORDINATES_IMPLICIT, coords);
84 
85    cl_emit(icl, END_OF_LOADS, end);
86 
87    cl_emit(icl, BRANCH_TO_IMPLICIT_TILE_LIST, branch);
88 
89    cl_emit(icl, STORE_TILE_BUFFER_GENERAL, store) {
90       store.buffer_to_store = NONE;
91    }
92 
93    cl_emit(icl, END_OF_TILE_MARKER, end);
94 
95    cl_emit(icl, RETURN_FROM_SUB_LIST, ret);
96 
97    cl_emit(rcl, START_ADDRESS_OF_GENERIC_TILE_LIST, branch) {
98       branch.start = tile_list_start;
99       branch.end = v3dv_cl_get_address(icl);
100    }
101 
102    cl_emit(rcl, SUPERTILE_COORDINATES, coords) {
103       coords.column_number_in_supertiles = 0;
104       coords.row_number_in_supertiles = 0;
105    }
106 
107    cl_emit(rcl, END_OF_RENDERING, end);
108 }
109