/* * 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 */ #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 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); /* Initially all pipes are set to the base address of the source and * destination buffer respectively. This will be overridden below as * necessary for the multi-pipe, multi-tiled case. */ for (unsigned pipe = 0; pipe < ctx->specs.pixel_pipes; ++pipe) { cs->source[pipe].bo = rs->source; cs->source[pipe].offset = rs->source_offset; cs->source[pipe].flags = ETNA_RELOC_READ; cs->dest[pipe].bo = rs->dest; cs->dest[pipe].offset = rs->dest_offset; cs->dest[pipe].flags = ETNA_RELOC_WRITE; cs->RS_PIPE_OFFSET[pipe] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(0); } 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 || ctx->specs.single_buffer) { 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].offset = rs->source_offset + rs->source_stride * rs->source_padded_height / 2; if (dest_multi) cs->dest[1].offset = rs->dest_offset + rs->dest_stride * rs->dest_padded_height / 2; cs->RS_WINDOW_SIZE = VIVS_RS_WINDOW_SIZE_WIDTH(rs->width) | VIVS_RS_WINDOW_SIZE_HEIGHT(rs->height / 2); cs->RS_PIPE_OFFSET[1] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(rs->height / 2); } else { abort(); } 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); /* TODO: cs->RS_UNK016B0 = s->size / 64 ? * The blob does this consistently but there seems to be no currently supported * model that needs it. */ } 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); }