X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fetnaviv%2Fetnaviv_rs.c;h=bd40cebb5375cdfa50aefeae757b7eb896f97850;hb=8df11f3fad52507266ca1e97149fd4175ad05471;hp=c9072c2645ea6ddd21c8d38728774fb4327b308d;hpb=78ade659569ee6fe9bd244170956139f19dd8c6c;p=mesa.git diff --git a/src/gallium/drivers/etnaviv/etnaviv_rs.c b/src/gallium/drivers/etnaviv/etnaviv_rs.c index c9072c2645e..bd40cebb537 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_rs.c +++ b/src/gallium/drivers/etnaviv/etnaviv_rs.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012-2015 Etnaviv Project + * Copyright (c) 2012-2017 Etnaviv Project * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -25,10 +25,27 @@ */ #include "etnaviv_rs.h" + +#include "hw/common.xml.h" + +#include "etnaviv_clear_blit.h" +#include "etnaviv_context.h" +#include "etnaviv_emit.h" +#include "etnaviv_format.h" +#include "etnaviv_resource.h" #include "etnaviv_screen.h" +#include "etnaviv_surface.h" #include "etnaviv_tiling.h" +#include "etnaviv_translate.h" #include "etnaviv_util.h" +#include "pipe/p_defines.h" +#include "pipe/p_state.h" +#include "util/u_blitter.h" +#include "util/u_inlines.h" +#include "util/u_memory.h" +#include "util/u_surface.h" + #include "hw/common.xml.h" #include "hw/state.xml.h" #include "hw/state_3d.xml.h" @@ -126,18 +143,665 @@ etna_compile_rs_state(struct etna_context *ctx, struct compiled_rs_state *cs, rs->source_offset == rs->dest_offset && rs->source_format == rs->dest_format && rs->source_tiling == rs->dest_tiling && + (rs->source_tiling & ETNA_LAYOUT_BIT_SUPER) && 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; + cs->RS_KICKER_INPLACE = rs->tile_count; } + cs->source_ts_valid = rs->source_ts_valid; } -void +/* modify the clear bits value in the compiled RS state */ +static 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); } + +#define EMIT_STATE(state_name, src_value) \ + etna_coalsence_emit(stream, &coalesce, VIVS_##state_name, src_value) + +#define EMIT_STATE_FIXP(state_name, src_value) \ + etna_coalsence_emit_fixp(stream, &coalesce, VIVS_##state_name, src_value) + +#define EMIT_STATE_RELOC(state_name, src_value) \ + etna_coalsence_emit_reloc(stream, &coalesce, VIVS_##state_name, src_value) + +/* submit RS state, without any processing and no dependence on context + * except TS if this is a source-to-destination blit. */ +static void +etna_submit_rs_state(struct etna_context *ctx, + const struct compiled_rs_state *cs) +{ + struct etna_screen *screen = etna_screen(ctx->base.screen); + struct etna_cmd_stream *stream = ctx->stream; + struct etna_coalesce coalesce; + + if (cs->RS_KICKER_INPLACE && !cs->source_ts_valid) + /* Inplace resolve is no-op if TS is not configured */ + return; + + ctx->stats.rs_operations++; + + if (cs->RS_KICKER_INPLACE) { + etna_cmd_stream_reserve(stream, 6); + etna_coalesce_start(stream, &coalesce); + /* 0/1 */ EMIT_STATE(RS_EXTRA_CONFIG, cs->RS_EXTRA_CONFIG); + /* 2/3 */ EMIT_STATE(RS_SOURCE_STRIDE, cs->RS_SOURCE_STRIDE); + /* 4/5 */ EMIT_STATE(RS_KICKER_INPLACE, cs->RS_KICKER_INPLACE); + etna_coalesce_end(stream, &coalesce); + } else if (screen->specs.pixel_pipes == 1) { + etna_cmd_stream_reserve(stream, 22); + etna_coalesce_start(stream, &coalesce); + /* 0/1 */ EMIT_STATE(RS_CONFIG, cs->RS_CONFIG); + /* 2 */ EMIT_STATE_RELOC(RS_SOURCE_ADDR, &cs->source[0]); + /* 3 */ EMIT_STATE(RS_SOURCE_STRIDE, cs->RS_SOURCE_STRIDE); + /* 4 */ EMIT_STATE_RELOC(RS_DEST_ADDR, &cs->dest[0]); + /* 5 */ EMIT_STATE(RS_DEST_STRIDE, cs->RS_DEST_STRIDE); + /* 6/7 */ EMIT_STATE(RS_WINDOW_SIZE, cs->RS_WINDOW_SIZE); + /* 8/9 */ EMIT_STATE(RS_DITHER(0), cs->RS_DITHER[0]); + /*10 */ EMIT_STATE(RS_DITHER(1), cs->RS_DITHER[1]); + /*11 - pad */ + /*12/13*/ EMIT_STATE(RS_CLEAR_CONTROL, cs->RS_CLEAR_CONTROL); + /*14 */ EMIT_STATE(RS_FILL_VALUE(0), cs->RS_FILL_VALUE[0]); + /*15 */ EMIT_STATE(RS_FILL_VALUE(1), cs->RS_FILL_VALUE[1]); + /*16 */ EMIT_STATE(RS_FILL_VALUE(2), cs->RS_FILL_VALUE[2]); + /*17 */ EMIT_STATE(RS_FILL_VALUE(3), cs->RS_FILL_VALUE[3]); + /*18/19*/ EMIT_STATE(RS_EXTRA_CONFIG, cs->RS_EXTRA_CONFIG); + /*20/21*/ EMIT_STATE(RS_KICKER, 0xbeebbeeb); + etna_coalesce_end(stream, &coalesce); + } else if (screen->specs.pixel_pipes == 2) { + etna_cmd_stream_reserve(stream, 34); /* worst case - both pipes multi=1 */ + etna_coalesce_start(stream, &coalesce); + /* 0/1 */ EMIT_STATE(RS_CONFIG, cs->RS_CONFIG); + /* 2/3 */ EMIT_STATE(RS_SOURCE_STRIDE, cs->RS_SOURCE_STRIDE); + /* 4/5 */ EMIT_STATE(RS_DEST_STRIDE, cs->RS_DEST_STRIDE); + /* 6/7 */ EMIT_STATE_RELOC(RS_PIPE_SOURCE_ADDR(0), &cs->source[0]); + if (cs->RS_SOURCE_STRIDE & VIVS_RS_SOURCE_STRIDE_MULTI) { + /*8 */ EMIT_STATE_RELOC(RS_PIPE_SOURCE_ADDR(1), &cs->source[1]); + /*9 - pad */ + } + /*10/11*/ EMIT_STATE_RELOC(RS_PIPE_DEST_ADDR(0), &cs->dest[0]); + if (cs->RS_DEST_STRIDE & VIVS_RS_DEST_STRIDE_MULTI) { + /*12*/ EMIT_STATE_RELOC(RS_PIPE_DEST_ADDR(1), &cs->dest[1]); + /*13 - pad */ + } + /*14/15*/ EMIT_STATE(RS_PIPE_OFFSET(0), cs->RS_PIPE_OFFSET[0]); + /*16 */ EMIT_STATE(RS_PIPE_OFFSET(1), cs->RS_PIPE_OFFSET[1]); + /*17 - pad */ + /*18/19*/ EMIT_STATE(RS_WINDOW_SIZE, cs->RS_WINDOW_SIZE); + /*20/21*/ EMIT_STATE(RS_DITHER(0), cs->RS_DITHER[0]); + /*22 */ EMIT_STATE(RS_DITHER(1), cs->RS_DITHER[1]); + /*23 - pad */ + /*24/25*/ EMIT_STATE(RS_CLEAR_CONTROL, cs->RS_CLEAR_CONTROL); + /*26 */ EMIT_STATE(RS_FILL_VALUE(0), cs->RS_FILL_VALUE[0]); + /*27 */ EMIT_STATE(RS_FILL_VALUE(1), cs->RS_FILL_VALUE[1]); + /*28 */ EMIT_STATE(RS_FILL_VALUE(2), cs->RS_FILL_VALUE[2]); + /*29 */ EMIT_STATE(RS_FILL_VALUE(3), cs->RS_FILL_VALUE[3]); + /*30/31*/ EMIT_STATE(RS_EXTRA_CONFIG, cs->RS_EXTRA_CONFIG); + /*32/33*/ EMIT_STATE(RS_KICKER, 0xbeebbeeb); + etna_coalesce_end(stream, &coalesce); + } else { + abort(); + } +} + +/* Generate clear command for a surface (non-fast clear case) */ +void +etna_rs_gen_clear_surface(struct etna_context *ctx, struct etna_surface *surf, + uint32_t clear_value) +{ + struct etna_resource *dst = etna_resource(surf->base.texture); + uint32_t format = translate_rs_format(surf->base.format); + + if (format == ETNA_NO_MATCH) { + BUG("etna_rs_gen_clear_surface: Unhandled clear fmt %s", util_format_name(surf->base.format)); + format = RS_FORMAT_A8R8G8B8; + assert(0); + } + + /* use tiled clear if width is multiple of 16 */ + bool tiled_clear = (surf->surf.padded_width & ETNA_RS_WIDTH_MASK) == 0 && + (surf->surf.padded_height & ETNA_RS_HEIGHT_MASK) == 0; + + etna_compile_rs_state( ctx, &surf->clear_command, &(struct rs_state) { + .source_format = format, + .dest_format = format, + .dest = dst->bo, + .dest_offset = surf->surf.offset, + .dest_stride = surf->surf.stride, + .dest_padded_height = surf->surf.padded_height, + .dest_tiling = tiled_clear ? dst->layout : ETNA_LAYOUT_LINEAR, + .dither = {0xffffffff, 0xffffffff}, + .width = surf->surf.padded_width, /* These must be padded to 16x4 if !LINEAR, otherwise RS will hang */ + .height = surf->surf.padded_height, + .clear_value = {clear_value}, + .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1, + .clear_bits = 0xffff + }); +} + +static void +etna_blit_clear_color_rs(struct pipe_context *pctx, struct pipe_surface *dst, + const union pipe_color_union *color) +{ + struct etna_context *ctx = etna_context(pctx); + struct etna_surface *surf = etna_surface(dst); + uint32_t new_clear_value = etna_clear_blit_pack_rgba(surf->base.format, color->f); + + if (surf->surf.ts_size) { /* TS: use precompiled clear command */ + ctx->framebuffer.TS_COLOR_CLEAR_VALUE = new_clear_value; + + if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) { + /* Set number of color tiles to be filled */ + etna_set_state(ctx->stream, VIVS_TS_COLOR_AUTO_DISABLE_COUNT, + surf->surf.padded_width * surf->surf.padded_height / 16); + ctx->framebuffer.TS_MEM_CONFIG |= VIVS_TS_MEM_CONFIG_COLOR_AUTO_DISABLE; + } + + surf->level->ts_valid = true; + ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS; + } else if (unlikely(new_clear_value != surf->level->clear_value)) { /* Queue normal RS clear for non-TS surfaces */ + /* If clear color changed, re-generate stored command */ + etna_rs_gen_clear_surface(ctx, surf, new_clear_value); + } + + etna_submit_rs_state(ctx, &surf->clear_command); + + surf->level->clear_value = new_clear_value; + resource_written(ctx, surf->base.texture); + etna_resource(surf->base.texture)->seqno++; +} + +static void +etna_blit_clear_zs_rs(struct pipe_context *pctx, struct pipe_surface *dst, + unsigned buffers, double depth, unsigned stencil) +{ + struct etna_context *ctx = etna_context(pctx); + struct etna_surface *surf = etna_surface(dst); + uint32_t new_clear_value = translate_clear_depth_stencil(surf->base.format, depth, stencil); + uint32_t new_clear_bits = 0, clear_bits_depth, clear_bits_stencil; + + /* Get the channels to clear */ + switch (surf->base.format) { + case PIPE_FORMAT_Z16_UNORM: + clear_bits_depth = 0xffff; + clear_bits_stencil = 0; + break; + case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_S8_UINT_Z24_UNORM: + clear_bits_depth = 0xeeee; + clear_bits_stencil = 0x1111; + break; + default: + clear_bits_depth = clear_bits_stencil = 0xffff; + break; + } + + if (buffers & PIPE_CLEAR_DEPTH) + new_clear_bits |= clear_bits_depth; + if (buffers & PIPE_CLEAR_STENCIL) + new_clear_bits |= clear_bits_stencil; + /* FIXME: when tile status is enabled, this becomes more complex as + * we may separately clear the depth from the stencil. In this case, + * we want to resolve the surface, and avoid using the tile status. + * We may be better off recording the pending clear operation, + * delaying the actual clear to the first use. This way, we can merge + * consecutive clears together. */ + if (surf->surf.ts_size) { /* TS: use precompiled clear command */ + /* Set new clear depth value */ + ctx->framebuffer.TS_DEPTH_CLEAR_VALUE = new_clear_value; + if (VIV_FEATURE(ctx->screen, chipMinorFeatures1, AUTO_DISABLE)) { + /* Set number of depth tiles to be filled */ + etna_set_state(ctx->stream, VIVS_TS_DEPTH_AUTO_DISABLE_COUNT, + surf->surf.padded_width * surf->surf.padded_height / 16); + ctx->framebuffer.TS_MEM_CONFIG |= VIVS_TS_MEM_CONFIG_DEPTH_AUTO_DISABLE; + } + + surf->level->ts_valid = true; + ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS; + } else { + if (unlikely(new_clear_value != surf->level->clear_value)) { /* Queue normal RS clear for non-TS surfaces */ + /* If clear depth value changed, re-generate stored command */ + etna_rs_gen_clear_surface(ctx, surf, new_clear_value); + } + /* Update the channels to be cleared */ + etna_modify_rs_clearbits(&surf->clear_command, new_clear_bits); + } + + etna_submit_rs_state(ctx, &surf->clear_command); + + surf->level->clear_value = new_clear_value; + resource_written(ctx, surf->base.texture); + etna_resource(surf->base.texture)->seqno++; +} + +static void +etna_clear_rs(struct pipe_context *pctx, unsigned buffers, + const union pipe_color_union *color, double depth, unsigned stencil) +{ + struct etna_context *ctx = etna_context(pctx); + + /* Flush color and depth cache before clearing anything. + * This is especially important when coming from another surface, as + * otherwise it may clear part of the old surface instead. */ + etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH); + etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE); + + /* Preparation: Flush the TS if needed. This must be done after flushing + * color and depth, otherwise it can result in crashes */ + bool need_ts_flush = false; + if ((buffers & PIPE_CLEAR_COLOR) && ctx->framebuffer_s.nr_cbufs) { + struct etna_surface *surf = etna_surface(ctx->framebuffer_s.cbufs[0]); + if (surf->surf.ts_size) + need_ts_flush = true; + } + if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL) { + struct etna_surface *surf = etna_surface(ctx->framebuffer_s.zsbuf); + + if (surf->surf.ts_size) + need_ts_flush = true; + } + + if (need_ts_flush) + etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH); + + /* No need to set up the TS here as RS clear operations (in contrast to + * resolve and copy) do not require the TS state. + */ + if (buffers & PIPE_CLEAR_COLOR) { + for (int idx = 0; idx < ctx->framebuffer_s.nr_cbufs; ++idx) { + etna_blit_clear_color_rs(pctx, ctx->framebuffer_s.cbufs[idx], + &color[idx]); + } + } + + /* Flush the color and depth caches before each RS clear operation + * This fixes a hang on GC600. */ + if (buffers & PIPE_CLEAR_DEPTHSTENCIL && buffers & PIPE_CLEAR_COLOR) + etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, + VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH); + + if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL) + etna_blit_clear_zs_rs(pctx, ctx->framebuffer_s.zsbuf, buffers, depth, stencil); + + etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE); +} + +static bool +etna_manual_blit(struct etna_resource *dst, struct etna_resource_level *dst_lev, + unsigned int dst_offset, struct etna_resource *src, + struct etna_resource_level *src_lev, unsigned int src_offset, + const struct pipe_blit_info *blit_info) +{ + void *smap, *srow, *dmap, *drow; + size_t tile_size; + + assert(src->layout == ETNA_LAYOUT_TILED); + assert(dst->layout == ETNA_LAYOUT_TILED); + assert(src->base.nr_samples == 0); + assert(dst->base.nr_samples == 0); + + tile_size = util_format_get_blocksize(blit_info->src.format) * 4 * 4; + + smap = etna_bo_map(src->bo); + if (!smap) + return false; + + dmap = etna_bo_map(dst->bo); + if (!dmap) + return false; + + srow = smap + src_offset; + drow = dmap + dst_offset; + + etna_bo_cpu_prep(src->bo, DRM_ETNA_PREP_READ); + etna_bo_cpu_prep(dst->bo, DRM_ETNA_PREP_WRITE); + + for (int y = 0; y < blit_info->src.box.height; y += 4) { + memcpy(drow, srow, tile_size * blit_info->src.box.width); + srow += src_lev->stride * 4; + drow += dst_lev->stride * 4; + } + + etna_bo_cpu_fini(dst->bo); + etna_bo_cpu_fini(src->bo); + + return true; +} + +static inline size_t +etna_compute_tileoffset(const struct pipe_box *box, enum pipe_format format, + size_t stride, enum etna_surface_layout layout) +{ + size_t offset; + unsigned int x = box->x, y = box->y; + unsigned int blocksize = util_format_get_blocksize(format); + + switch (layout) { + case ETNA_LAYOUT_LINEAR: + offset = y * stride + x * blocksize; + break; + case ETNA_LAYOUT_MULTI_TILED: + y >>= 1; + /* fall-through */ + case ETNA_LAYOUT_TILED: + assert(!(x & 0x03) && !(y & 0x03)); + offset = (y & ~0x03) * stride + blocksize * ((x & ~0x03) << 2); + break; + case ETNA_LAYOUT_MULTI_SUPERTILED: + y >>= 1; + /* fall-through */ + case ETNA_LAYOUT_SUPER_TILED: + assert(!(x & 0x3f) && !(y & 0x3f)); + offset = (y & ~0x3f) * stride + blocksize * ((x & ~0x3f) << 6); + break; + default: + unreachable("invalid resource layout"); + } + + return offset; +} + +static inline void +etna_get_rs_alignment_mask(const struct etna_context *ctx, + const enum etna_surface_layout layout, + unsigned int *width_mask, unsigned int *height_mask) +{ + unsigned int h_align, w_align; + + if (layout & ETNA_LAYOUT_BIT_SUPER) { + w_align = h_align = 64; + } else { + w_align = ETNA_RS_WIDTH_MASK + 1; + h_align = ETNA_RS_HEIGHT_MASK + 1; + } + + h_align *= ctx->screen->specs.pixel_pipes; + + *width_mask = w_align - 1; + *height_mask = h_align -1; +} + +static bool +etna_try_rs_blit(struct pipe_context *pctx, + const struct pipe_blit_info *blit_info) +{ + struct etna_context *ctx = etna_context(pctx); + struct etna_resource *src = etna_resource(blit_info->src.resource); + struct etna_resource *dst = etna_resource(blit_info->dst.resource); + struct compiled_rs_state copy_to_screen; + uint32_t ts_mem_config = 0; + int msaa_xscale = 1, msaa_yscale = 1; + + /* Ensure that the level is valid */ + assert(blit_info->src.level <= src->base.last_level); + assert(blit_info->dst.level <= dst->base.last_level); + + if (!translate_samples_to_xyscale(src->base.nr_samples, &msaa_xscale, &msaa_yscale, NULL)) + return FALSE; + + /* The width/height are in pixels; they do not change as a result of + * multi-sampling. So, when blitting from a 4x multisampled surface + * to a non-multisampled surface, the width and height will be + * identical. As we do not support scaling, reject different sizes. */ + if (blit_info->dst.box.width != blit_info->src.box.width || + blit_info->dst.box.height != blit_info->src.box.height) { + DBG("scaling requested: source %dx%d destination %dx%d", + blit_info->src.box.width, blit_info->src.box.height, + blit_info->dst.box.width, blit_info->dst.box.height); + return FALSE; + } + + /* No masks - RS can't copy specific channels */ + unsigned mask = util_format_get_mask(blit_info->dst.format); + if ((blit_info->mask & mask) != mask) { + DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info->mask, mask); + return FALSE; + } + + unsigned src_format = etna_compatible_rs_format(blit_info->src.format); + unsigned dst_format = etna_compatible_rs_format(blit_info->dst.format); + if (translate_rs_format(src_format) == ETNA_NO_MATCH || + translate_rs_format(dst_format) == ETNA_NO_MATCH || + blit_info->scissor_enable || + blit_info->dst.box.depth != blit_info->src.box.depth || + blit_info->dst.box.depth != 1) { + return FALSE; + } + + unsigned w_mask, h_mask; + + etna_get_rs_alignment_mask(ctx, src->layout, &w_mask, &h_mask); + if ((blit_info->src.box.x & w_mask) || (blit_info->src.box.y & h_mask)) + return FALSE; + + etna_get_rs_alignment_mask(ctx, dst->layout, &w_mask, &h_mask); + if ((blit_info->dst.box.x & w_mask) || (blit_info->dst.box.y & h_mask)) + return FALSE; + + /* Ensure that the Z coordinate is sane */ + if (dst->base.target != PIPE_TEXTURE_CUBE) + assert(blit_info->dst.box.z == 0); + if (src->base.target != PIPE_TEXTURE_CUBE) + assert(blit_info->src.box.z == 0); + + assert(blit_info->src.box.z < src->base.array_size); + assert(blit_info->dst.box.z < dst->base.array_size); + + struct etna_resource_level *src_lev = &src->levels[blit_info->src.level]; + struct etna_resource_level *dst_lev = &dst->levels[blit_info->dst.level]; + + /* we may be given coordinates up to the padded width to avoid + * any alignment issues with different tiling formats */ + assert((blit_info->src.box.x + blit_info->src.box.width) * msaa_xscale <= src_lev->padded_width); + assert((blit_info->src.box.y + blit_info->src.box.height) * msaa_yscale <= src_lev->padded_height); + assert(blit_info->dst.box.x + blit_info->dst.box.width <= dst_lev->padded_width); + assert(blit_info->dst.box.y + blit_info->dst.box.height <= dst_lev->padded_height); + + unsigned src_offset = src_lev->offset + + blit_info->src.box.z * src_lev->layer_stride + + etna_compute_tileoffset(&blit_info->src.box, + blit_info->src.format, + src_lev->stride, + src->layout); + unsigned dst_offset = dst_lev->offset + + blit_info->dst.box.z * dst_lev->layer_stride + + etna_compute_tileoffset(&blit_info->dst.box, + blit_info->dst.format, + dst_lev->stride, + dst->layout); + + if (src_lev->padded_width <= ETNA_RS_WIDTH_MASK || + dst_lev->padded_width <= ETNA_RS_WIDTH_MASK || + src_lev->padded_height <= ETNA_RS_HEIGHT_MASK || + dst_lev->padded_height <= ETNA_RS_HEIGHT_MASK) + goto manual; + + /* If the width is not aligned to the RS width, but is within our + * padding, adjust the width to suite the RS width restriction. + * Note: the RS width/height are converted to source samples here. */ + unsigned int width = blit_info->src.box.width * msaa_xscale; + unsigned int height = blit_info->src.box.height * msaa_yscale; + unsigned int w_align = ETNA_RS_WIDTH_MASK + 1; + unsigned int h_align = (ETNA_RS_HEIGHT_MASK + 1) * ctx->specs.pixel_pipes; + + if (width & (w_align - 1) && width >= src_lev->width * msaa_xscale && width >= dst_lev->width) + width = align(width, w_align); + + if (height & (h_align - 1) && height >= src_lev->height * msaa_yscale && height >= dst_lev->height) + height = align(height, h_align); + + /* The padded dimensions are in samples */ + if (width > src_lev->padded_width || + width > dst_lev->padded_width * msaa_xscale || + height > src_lev->padded_height || + height > dst_lev->padded_height * msaa_yscale || + width & (w_align - 1) || height & (h_align - 1)) + goto manual; + + if (src->base.nr_samples > 1) { + uint32_t msaa_format = translate_msaa_format(src_format); + assert(msaa_format != ETNA_NO_MATCH); + ts_mem_config |= VIVS_TS_MEM_CONFIG_COLOR_COMPRESSION | msaa_format; + } + + /* Always flush color and depth cache together before resolving. This works + * around artifacts that appear in some cases when scanning out a texture + * directly after it has been rendered to, such as rendering an animated web + * page in a QtWebEngine based WebView on GC2000. The artifacts look like + * the texture sampler samples zeroes instead of texture data in a small, + * irregular triangle in the lower right of each browser tile quad. Other + * attempts to avoid these artifacts, including a pipeline stall before the + * color flush or a TS cache flush afterwards, or flushing multiple times, + * with stalls before and after each flush, have shown no effect. */ + if (src->base.bind & PIPE_BIND_RENDER_TARGET || + src->base.bind & PIPE_BIND_DEPTH_STENCIL) { + etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, + VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH); + etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE); + + if (src->levels[blit_info->src.level].ts_size && + src->levels[blit_info->src.level].ts_valid) + etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH); + } + + /* Set up color TS to source surface before blit, if needed */ + bool source_ts_valid = false; + if (src->levels[blit_info->src.level].ts_size && + src->levels[blit_info->src.level].ts_valid) { + struct etna_reloc reloc; + unsigned ts_offset = + src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride; + + etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG, + VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR | ts_mem_config); + + memset(&reloc, 0, sizeof(struct etna_reloc)); + reloc.bo = src->ts_bo; + reloc.offset = ts_offset; + reloc.flags = ETNA_RELOC_READ; + etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_STATUS_BASE, &reloc); + + memset(&reloc, 0, sizeof(struct etna_reloc)); + reloc.bo = src->bo; + reloc.offset = src_lev->offset + + blit_info->src.box.z * src_lev->layer_stride; + reloc.flags = ETNA_RELOC_READ; + etna_set_state_reloc(ctx->stream, VIVS_TS_COLOR_SURFACE_BASE, &reloc); + + etna_set_state(ctx->stream, VIVS_TS_COLOR_CLEAR_VALUE, + src->levels[blit_info->src.level].clear_value); + + source_ts_valid = true; + } else { + etna_set_state(ctx->stream, VIVS_TS_MEM_CONFIG, ts_mem_config); + } + ctx->dirty |= ETNA_DIRTY_TS; + + /* Kick off RS here */ + etna_compile_rs_state(ctx, ©_to_screen, &(struct rs_state) { + .source_format = translate_rs_format(src_format), + .source_tiling = src->layout, + .source = src->bo, + .source_offset = src_offset, + .source_stride = src_lev->stride, + .source_padded_width = src_lev->padded_width, + .source_padded_height = src_lev->padded_height, + .source_ts_valid = source_ts_valid, + .dest_format = translate_rs_format(dst_format), + .dest_tiling = dst->layout, + .dest = dst->bo, + .dest_offset = dst_offset, + .dest_stride = dst_lev->stride, + .dest_padded_height = dst_lev->padded_height, + .downsample_x = msaa_xscale > 1, + .downsample_y = msaa_yscale > 1, + .swap_rb = translate_rb_src_dst_swap(src->base.format, dst->base.format), + .dither = {0xffffffff, 0xffffffff}, // XXX dither when going from 24 to 16 bit? + .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_DISABLED, + .width = width, + .height = height, + .tile_count = src_lev->layer_stride / 64 + }); + + etna_submit_rs_state(ctx, ©_to_screen); + resource_written(ctx, &dst->base); + dst->seqno++; + dst->levels[blit_info->dst.level].ts_valid = false; + ctx->dirty |= ETNA_DIRTY_DERIVE_TS; + + return TRUE; + +manual: + if (src->layout == ETNA_LAYOUT_TILED && dst->layout == ETNA_LAYOUT_TILED) { + if ((src->status & ETNA_PENDING_WRITE) || + (dst->status & ETNA_PENDING_WRITE)) + pctx->flush(pctx, NULL, 0); + return etna_manual_blit(dst, dst_lev, dst_offset, src, src_lev, src_offset, blit_info); + } + + return FALSE; +} + +static void +etna_blit_rs(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) +{ + /* This is a more extended version of resource_copy_region */ + /* TODO Some cases can be handled by RS; if not, fall back to rendering or + * even CPU copy block of pixels from info->src to info->dst + * (resource, level, box, format); + * function is used for scaling, flipping in x and y direction (negative + * width/height), format conversion, mask and filter and even a scissor rectangle + * + * What can the RS do for us: + * convert between tiling formats (layouts) + * downsample 2x in x and y + * convert between a limited number of pixel formats + * + * For the rest, fall back to util_blitter + * XXX this goes wrong when source surface is supertiled. */ + struct etna_context *ctx = etna_context(pctx); + struct pipe_blit_info info = *blit_info; + + if (info.src.resource->nr_samples > 1 && + info.dst.resource->nr_samples <= 1 && + !util_format_is_depth_or_stencil(info.src.resource->format) && + !util_format_is_pure_integer(info.src.resource->format)) { + DBG("color resolve unimplemented"); + return; + } + + if (etna_try_rs_blit(pctx, blit_info)) + return; + + if (util_try_blit_via_copy_region(pctx, blit_info)) + return; + + if (info.mask & PIPE_MASK_S) { + DBG("cannot blit stencil, skipping"); + info.mask &= ~PIPE_MASK_S; + } + + if (!util_blitter_is_blit_supported(ctx->blitter, &info)) { + DBG("blit unsupported %s -> %s", + util_format_short_name(info.src.resource->format), + util_format_short_name(info.dst.resource->format)); + return; + } + + etna_blit_save_state(ctx); + util_blitter_blit(ctx->blitter, &info); +} + +void +etna_clear_blit_rs_init(struct pipe_context *pctx) +{ + DBG("etnaviv: Using RS blit engine\n"); + pctx->clear = etna_clear_rs; + pctx->blit = etna_blit_rs; +}