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/*
* 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);
/* 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);
/* If source the same as destination, and the hardware supports this,
* do an in-place resolve to fill in unrendered tiles.
*/
if (ctx->specs.single_buffer && rs->source == rs->dest &&
rs->source_offset == rs->dest_offset &&
rs->source_format == rs->dest_format &&
rs->source_tiling == rs->dest_tiling &&
rs->source_stride == rs->dest_stride &&
!rs->downsample_x && !rs->downsample_y &&
!rs->swap_rb && !rs->flip &&
!rs->clear_mode && rs->source_padded_width) {
/* Total number of tiles (same as for autodisable) */
cs->RS_KICKER_INPLACE = rs->source_padded_width * rs->source_padded_height / 16;
}
}
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);
}
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