1 /* 2 * Copyright (c) 2012-2015 Etnaviv Project 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, sub license, 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 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the 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 NON-INFRINGEMENT. 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 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Wladimir J. van der Laan <laanwj (at) gmail.com> 25 */ 26 27 #include "etnaviv_rs.h" 28 #include "etnaviv_screen.h" 29 #include "etnaviv_tiling.h" 30 #include "etnaviv_util.h" 31 32 #include "hw/common.xml.h" 33 #include "hw/state.xml.h" 34 #include "hw/state_3d.xml.h" 35 36 #include <assert.h> 37 38 void 39 etna_compile_rs_state(struct etna_context *ctx, struct compiled_rs_state *cs, 40 const struct rs_state *rs) 41 { 42 memset(cs, 0, sizeof(*cs)); 43 44 /* TILED and SUPERTILED layout have their strides multiplied with 4 in RS */ 45 unsigned source_stride_shift = COND(rs->source_tiling != ETNA_LAYOUT_LINEAR, 2); 46 unsigned dest_stride_shift = COND(rs->dest_tiling != ETNA_LAYOUT_LINEAR, 2); 47 48 /* tiling == ETNA_LAYOUT_MULTI_TILED or ETNA_LAYOUT_MULTI_SUPERTILED? */ 49 int source_multi = COND(rs->source_tiling & ETNA_LAYOUT_BIT_MULTI, 1); 50 int dest_multi = COND(rs->dest_tiling & ETNA_LAYOUT_BIT_MULTI, 1); 51 52 /* Vivante RS needs widths to be a multiple of 16 or bad things 53 * happen, such as scribbing over memory, or the GPU hanging, 54 * even for non-tiled formats. As this is serious, use abort(). 55 */ 56 if (rs->width & ETNA_RS_WIDTH_MASK) 57 abort(); 58 59 /* TODO could just pre-generate command buffer, would simply submit to one memcpy */ 60 cs->RS_CONFIG = VIVS_RS_CONFIG_SOURCE_FORMAT(rs->source_format) | 61 COND(rs->downsample_x, VIVS_RS_CONFIG_DOWNSAMPLE_X) | 62 COND(rs->downsample_y, VIVS_RS_CONFIG_DOWNSAMPLE_Y) | 63 COND(rs->source_tiling & 1, VIVS_RS_CONFIG_SOURCE_TILED) | 64 VIVS_RS_CONFIG_DEST_FORMAT(rs->dest_format) | 65 COND(rs->dest_tiling & 1, VIVS_RS_CONFIG_DEST_TILED) | 66 COND(rs->swap_rb, VIVS_RS_CONFIG_SWAP_RB) | 67 COND(rs->flip, VIVS_RS_CONFIG_FLIP); 68 69 cs->RS_SOURCE_STRIDE = (rs->source_stride << source_stride_shift) | 70 COND(rs->source_tiling & 2, VIVS_RS_SOURCE_STRIDE_TILING) | 71 COND(source_multi, VIVS_RS_SOURCE_STRIDE_MULTI); 72 73 cs->source[0].bo = rs->source; 74 cs->source[0].offset = rs->source_offset; 75 cs->source[0].flags = ETNA_RELOC_READ; 76 77 cs->dest[0].bo = rs->dest; 78 cs->dest[0].offset = rs->dest_offset; 79 cs->dest[0].flags = ETNA_RELOC_WRITE; 80 81 cs->RS_DEST_STRIDE = (rs->dest_stride << dest_stride_shift) | 82 COND(rs->dest_tiling & 2, VIVS_RS_DEST_STRIDE_TILING) | 83 COND(dest_multi, VIVS_RS_DEST_STRIDE_MULTI); 84 85 if (ctx->specs.pixel_pipes == 1) { 86 cs->RS_WINDOW_SIZE = VIVS_RS_WINDOW_SIZE_WIDTH(rs->width) | 87 VIVS_RS_WINDOW_SIZE_HEIGHT(rs->height); 88 } else if (ctx->specs.pixel_pipes == 2) { 89 assert((rs->height & 7) == 0); /* GPU hangs happen if height not 8-aligned */ 90 91 if (source_multi) { 92 cs->source[1].bo = rs->source; 93 cs->source[1].offset = rs->source_offset + rs->source_stride * rs->source_padded_height / 2; 94 cs->source[1].flags = ETNA_RELOC_READ; 95 } 96 97 if (dest_multi) { 98 cs->dest[1].bo = rs->dest; 99 cs->dest[1].offset = rs->dest_offset + rs->dest_stride * rs->dest_padded_height / 2; 100 cs->dest[1].flags = ETNA_RELOC_WRITE; 101 } 102 103 cs->RS_WINDOW_SIZE = VIVS_RS_WINDOW_SIZE_WIDTH(rs->width) | 104 VIVS_RS_WINDOW_SIZE_HEIGHT(rs->height / 2); 105 } else { 106 abort(); 107 } 108 109 cs->RS_PIPE_OFFSET[0] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(0); 110 cs->RS_PIPE_OFFSET[1] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(rs->height / 2); 111 cs->RS_DITHER[0] = rs->dither[0]; 112 cs->RS_DITHER[1] = rs->dither[1]; 113 cs->RS_CLEAR_CONTROL = VIVS_RS_CLEAR_CONTROL_BITS(rs->clear_bits) | rs->clear_mode; 114 cs->RS_FILL_VALUE[0] = rs->clear_value[0]; 115 cs->RS_FILL_VALUE[1] = rs->clear_value[1]; 116 cs->RS_FILL_VALUE[2] = rs->clear_value[2]; 117 cs->RS_FILL_VALUE[3] = rs->clear_value[3]; 118 cs->RS_EXTRA_CONFIG = VIVS_RS_EXTRA_CONFIG_AA(rs->aa) | 119 VIVS_RS_EXTRA_CONFIG_ENDIAN(rs->endian_mode); 120 } 121 122 void 123 etna_modify_rs_clearbits(struct compiled_rs_state *cs, uint32_t clear_bits) 124 { 125 cs->RS_CLEAR_CONTROL &= ~VIVS_RS_CLEAR_CONTROL_BITS__MASK; 126 cs->RS_CLEAR_CONTROL |= VIVS_RS_CLEAR_CONTROL_BITS(clear_bits); 127 } 128
