| /* |
| * Copyright (c) 2012-2015 Etnaviv Project |
| * |
| * 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, sub license, |
| * 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 NON-INFRINGEMENT. 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. |
| * |
| * Authors: |
| * Wladimir J. van der Laan <laanwj@gmail.com> |
| */ |
| |
| #include "etnaviv_rs.h" |
| #include "etnaviv_screen.h" |
| #include "etnaviv_tiling.h" |
| #include "etnaviv_util.h" |
| |
| #include "hw/common.xml.h" |
| #include "hw/state.xml.h" |
| #include "hw/state_3d.xml.h" |
| |
| #include <assert.h> |
| |
| void |
| etna_compile_rs_state(struct etna_context *ctx, struct compiled_rs_state *cs, |
| const struct rs_state *rs) |
| { |
| memset(cs, 0, sizeof(*cs)); |
| |
| /* TILED and SUPERTILED layout have their strides multiplied with 4 in RS */ |
| unsigned source_stride_shift = COND(rs->source_tiling != ETNA_LAYOUT_LINEAR, 2); |
| unsigned dest_stride_shift = COND(rs->dest_tiling != ETNA_LAYOUT_LINEAR, 2); |
| |
| /* tiling == ETNA_LAYOUT_MULTI_TILED or ETNA_LAYOUT_MULTI_SUPERTILED? */ |
| int source_multi = COND(rs->source_tiling & ETNA_LAYOUT_BIT_MULTI, 1); |
| int dest_multi = COND(rs->dest_tiling & ETNA_LAYOUT_BIT_MULTI, 1); |
| |
| /* Vivante RS needs widths to be a multiple of 16 or bad things |
| * happen, such as scribbing over memory, or the GPU hanging, |
| * even for non-tiled formats. As this is serious, use abort(). |
| */ |
| if (rs->width & ETNA_RS_WIDTH_MASK) |
| abort(); |
| |
| /* TODO could just pre-generate command buffer, would simply submit to one memcpy */ |
| cs->RS_CONFIG = VIVS_RS_CONFIG_SOURCE_FORMAT(rs->source_format) | |
| COND(rs->downsample_x, VIVS_RS_CONFIG_DOWNSAMPLE_X) | |
| COND(rs->downsample_y, VIVS_RS_CONFIG_DOWNSAMPLE_Y) | |
| COND(rs->source_tiling & 1, VIVS_RS_CONFIG_SOURCE_TILED) | |
| VIVS_RS_CONFIG_DEST_FORMAT(rs->dest_format) | |
| COND(rs->dest_tiling & 1, VIVS_RS_CONFIG_DEST_TILED) | |
| COND(rs->swap_rb, VIVS_RS_CONFIG_SWAP_RB) | |
| COND(rs->flip, VIVS_RS_CONFIG_FLIP); |
| |
| cs->RS_SOURCE_STRIDE = (rs->source_stride << source_stride_shift) | |
| COND(rs->source_tiling & 2, VIVS_RS_SOURCE_STRIDE_TILING) | |
| COND(source_multi, VIVS_RS_SOURCE_STRIDE_MULTI); |
| |
| cs->source[0].bo = rs->source; |
| cs->source[0].offset = rs->source_offset; |
| cs->source[0].flags = ETNA_RELOC_READ; |
| |
| cs->dest[0].bo = rs->dest; |
| cs->dest[0].offset = rs->dest_offset; |
| cs->dest[0].flags = ETNA_RELOC_WRITE; |
| |
| cs->RS_DEST_STRIDE = (rs->dest_stride << dest_stride_shift) | |
| COND(rs->dest_tiling & 2, VIVS_RS_DEST_STRIDE_TILING) | |
| COND(dest_multi, VIVS_RS_DEST_STRIDE_MULTI); |
| |
| if (ctx->specs.pixel_pipes == 1) { |
| cs->RS_WINDOW_SIZE = VIVS_RS_WINDOW_SIZE_WIDTH(rs->width) | |
| VIVS_RS_WINDOW_SIZE_HEIGHT(rs->height); |
| } else if (ctx->specs.pixel_pipes == 2) { |
| assert((rs->height & 7) == 0); /* GPU hangs happen if height not 8-aligned */ |
| |
| if (source_multi) { |
| cs->source[1].bo = rs->source; |
| cs->source[1].offset = rs->source_offset + rs->source_stride * rs->source_padded_height / 2; |
| cs->source[1].flags = ETNA_RELOC_READ; |
| } |
| |
| if (dest_multi) { |
| cs->dest[1].bo = rs->dest; |
| cs->dest[1].offset = rs->dest_offset + rs->dest_stride * rs->dest_padded_height / 2; |
| cs->dest[1].flags = ETNA_RELOC_WRITE; |
| } |
| |
| cs->RS_WINDOW_SIZE = VIVS_RS_WINDOW_SIZE_WIDTH(rs->width) | |
| VIVS_RS_WINDOW_SIZE_HEIGHT(rs->height / 2); |
| } else { |
| abort(); |
| } |
| |
| cs->RS_PIPE_OFFSET[0] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(0); |
| cs->RS_PIPE_OFFSET[1] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(rs->height / 2); |
| cs->RS_DITHER[0] = rs->dither[0]; |
| cs->RS_DITHER[1] = rs->dither[1]; |
| cs->RS_CLEAR_CONTROL = VIVS_RS_CLEAR_CONTROL_BITS(rs->clear_bits) | rs->clear_mode; |
| cs->RS_FILL_VALUE[0] = rs->clear_value[0]; |
| cs->RS_FILL_VALUE[1] = rs->clear_value[1]; |
| cs->RS_FILL_VALUE[2] = rs->clear_value[2]; |
| cs->RS_FILL_VALUE[3] = rs->clear_value[3]; |
| cs->RS_EXTRA_CONFIG = VIVS_RS_EXTRA_CONFIG_AA(rs->aa) | |
| VIVS_RS_EXTRA_CONFIG_ENDIAN(rs->endian_mode); |
| } |
| |
| void |
| etna_modify_rs_clearbits(struct compiled_rs_state *cs, uint32_t clear_bits) |
| { |
| cs->RS_CLEAR_CONTROL &= ~VIVS_RS_CLEAR_CONTROL_BITS__MASK; |
| cs->RS_CLEAR_CONTROL |= VIVS_RS_CLEAR_CONTROL_BITS(clear_bits); |
| } |