Mesa (master): freedreno/a6xx: Enable blitter
GitLab Mirror
gitlab-mirror at kemper.freedesktop.org
Mon Oct 15 22:37:42 UTC 2018
Module: Mesa
Branch: master
Commit: f93e43127252679b54646c6b6aad1feaf3e2375a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f93e43127252679b54646c6b6aad1feaf3e2375a
Author: Kristian H. Kristensen <hoegsberg at chromium.org>
Date: Mon Sep 17 16:59:00 2018 -0700
freedreno/a6xx: Enable blitter
Signed-off-by: Kristian H. Kristensen <hoegsberg at chromium.org>
Reviewed-by: Rob Clark <robdclark at gmail.com>
---
src/gallium/drivers/freedreno/Makefile.sources | 2 +
src/gallium/drivers/freedreno/a6xx/fd6_blitter.c | 579 +++++++++++++++++++++++
src/gallium/drivers/freedreno/a6xx/fd6_blitter.h | 38 ++
src/gallium/drivers/freedreno/a6xx/fd6_context.c | 2 +
src/gallium/drivers/freedreno/meson.build | 2 +
5 files changed, 623 insertions(+)
diff --git a/src/gallium/drivers/freedreno/Makefile.sources b/src/gallium/drivers/freedreno/Makefile.sources
index 8e744c3375..aeecdf5ab2 100644
--- a/src/gallium/drivers/freedreno/Makefile.sources
+++ b/src/gallium/drivers/freedreno/Makefile.sources
@@ -165,6 +165,8 @@ a6xx_SOURCES := \
a6xx/a6xx.xml.h \
a6xx/fd6_blend.c \
a6xx/fd6_blend.h \
+ a6xx/fd6_blitter.c \
+ a6xx/fd6_blitter.h \
a6xx/fd6_context.c \
a6xx/fd6_context.h \
a6xx/fd6_draw.c \
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c
new file mode 100644
index 0000000000..bd37005d50
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c
@@ -0,0 +1,579 @@
+/*
+ * Copyright (C) 2017 Rob Clark <robclark at freedesktop.org>
+ * Copyright © 2018 Google, Inc.
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. 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:
+ * Rob Clark <robclark at freedesktop.org>
+ */
+
+#include "util/u_dump.h"
+
+#include "freedreno_blitter.h"
+#include "freedreno_resource.h"
+
+#include "fd6_blitter.h"
+#include "fd6_format.h"
+#include "fd6_emit.h"
+
+/* Make sure none of the requested dimensions extend beyond the size of the
+ * resource. Not entirely sure why this happens, but sometimes it does, and
+ * w/ 2d blt doesn't have wrap modes like a sampler, so force those cases
+ * back to u_blitter
+ */
+static bool
+ok_dims(const struct pipe_resource *r, const struct pipe_box *b, int lvl)
+{
+ int last_layer =
+ r->target == PIPE_TEXTURE_3D ? u_minify(r->depth0, lvl)
+ : r->array_size;
+
+
+ return (b->x >= 0) && (b->x + b->width <= u_minify(r->width0, lvl)) &&
+ (b->y >= 0) && (b->y + b->height <= u_minify(r->height0, lvl)) &&
+ (b->z >= 0) && (b->z + b->depth <= last_layer);
+}
+
+#define DEBUG_BLIT_FALLBACK 0
+#define fail_if(cond) \
+ do { \
+ if (cond) { \
+ if (DEBUG_BLIT_FALLBACK) { \
+ fprintf(stderr, "falling back: %s for blit:\n", #cond); \
+ util_dump_blit_info(stderr, info); \
+ fprintf(stderr, "\nsrc: "); \
+ util_dump_resource(stderr, info->src.resource); \
+ fprintf(stderr, "\ndst: "); \
+ util_dump_resource(stderr, info->dst.resource); \
+ fprintf(stderr, "\n"); \
+ } \
+ return false; \
+ } \
+ } while (0)
+
+static bool
+can_do_blit(const struct pipe_blit_info *info)
+{
+ /* I think we can do scaling, but not in z dimension since that would
+ * require blending..
+ */
+ fail_if(info->dst.box.depth != info->src.box.depth);
+
+ /* We can blit if both or neither formats are compressed formats... */
+ fail_if(util_format_is_compressed(info->src.format) !=
+ util_format_is_compressed(info->src.format));
+
+ /* ... but only if they're the same compression format. */
+ fail_if(util_format_is_compressed(info->src.format) &&
+ info->src.format != info->dst.format);
+
+ /* hw ignores {SRC,DST}_INFO.COLOR_SWAP if {SRC,DST}_INFO.TILE_MODE
+ * is set (not linear). We can kind of get around that when tiling/
+ * untiling by setting both src and dst COLOR_SWAP=WZYX, but that
+ * means the formats must match:
+ */
+ fail_if((fd_resource(info->dst.resource)->tile_mode ||
+ fd_resource(info->src.resource)->tile_mode) &&
+ info->dst.format != info->src.format);
+
+ /* src box can be inverted, which we don't support.. dst box cannot: */
+ fail_if((info->src.box.width < 0) || (info->src.box.height < 0));
+
+ fail_if(!ok_dims(info->src.resource, &info->src.box, info->src.level));
+
+ fail_if(!ok_dims(info->dst.resource, &info->dst.box, info->dst.level));
+
+ debug_assert(info->dst.box.width >= 0);
+ debug_assert(info->dst.box.height >= 0);
+ debug_assert(info->dst.box.depth >= 0);
+
+ fail_if(info->dst.resource->nr_samples + info->src.resource->nr_samples > 2);
+
+ fail_if(info->window_rectangle_include);
+
+ fail_if(info->render_condition_enable);
+
+ fail_if(info->alpha_blend);
+
+ fail_if(info->mask != util_format_get_mask(info->src.format));
+
+ fail_if(info->mask != util_format_get_mask(info->dst.format));
+
+ return true;
+}
+
+static void
+emit_setup(struct fd_ringbuffer *ring)
+{
+ OUT_PKT7(ring, CP_EVENT_WRITE, 1);
+ OUT_RING(ring, PC_CCU_INVALIDATE_COLOR);
+
+ OUT_PKT7(ring, CP_EVENT_WRITE, 1);
+ OUT_RING(ring, LRZ_FLUSH);
+
+ OUT_PKT7(ring, CP_SKIP_IB2_ENABLE_GLOBAL, 1);
+ OUT_RING(ring, 0x0);
+
+ OUT_WFI5(ring);
+
+ OUT_PKT4(ring, REG_A6XX_RB_CCU_CNTL, 1);
+ OUT_RING(ring, 0x10000000);
+}
+
+/* buffers need to be handled specially since x/width can exceed the bounds
+ * supported by hw.. if necessary decompose into (potentially) two 2D blits
+ */
+static void
+emit_blit_buffer(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
+{
+ const struct pipe_box *sbox = &info->src.box;
+ const struct pipe_box *dbox = &info->dst.box;
+ struct fd_resource *src, *dst;
+ unsigned sshift, dshift;
+
+ if (DEBUG_BLIT_FALLBACK) {
+ fprintf(stderr, "buffer blit: ");
+ util_dump_blit_info(stderr, info);
+ fprintf(stderr, "\ndst resource: ");
+ util_dump_resource(stderr, info->dst.resource);
+ fprintf(stderr, "\nsrc resource: ");
+ util_dump_resource(stderr, info->src.resource);
+ fprintf(stderr, "\n");
+ }
+
+ src = fd_resource(info->src.resource);
+ dst = fd_resource(info->dst.resource);
+
+ debug_assert(src->cpp == 1);
+ debug_assert(dst->cpp == 1);
+ debug_assert(info->src.resource->format == info->dst.resource->format);
+ debug_assert((sbox->y == 0) && (sbox->height == 1));
+ debug_assert((dbox->y == 0) && (dbox->height == 1));
+ debug_assert((sbox->z == 0) && (sbox->depth == 1));
+ debug_assert((dbox->z == 0) && (dbox->depth == 1));
+ debug_assert(sbox->width == dbox->width);
+ debug_assert(info->src.level == 0);
+ debug_assert(info->dst.level == 0);
+
+ /*
+ * Buffers can have dimensions bigger than max width, remap into
+ * multiple 1d blits to fit within max dimension
+ *
+ * Note that blob uses .ARRAY_PITCH=128 for blitting buffers, which
+ * seems to prevent overfetch related faults. Not quite sure what
+ * the deal is there.
+ *
+ * Low 6 bits of SRC/DST addresses need to be zero (ie. address
+ * aligned to 64) so we need to shift src/dst x1/x2 to make up the
+ * difference. On top of already splitting up the blit so width
+ * isn't > 16k.
+ *
+ * We perhaps could do a bit better, if src and dst are aligned but
+ * in the worst case this means we have to split the copy up into
+ * 16k (0x4000) minus 64 (0x40).
+ */
+
+ sshift = sbox->x & 0x3f;
+ dshift = dbox->x & 0x3f;
+
+ OUT_PKT7(ring, CP_SET_MARKER, 1);
+ OUT_RING(ring, A2XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
+
+ uint32_t blit_cntl = A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(RB6_R8_UNORM) | 0x20f00000;
+ OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
+ OUT_RING(ring, blit_cntl);
+
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
+ OUT_RING(ring, blit_cntl);
+
+ for (unsigned off = 0; off < sbox->width; off += (0x4000 - 0x40)) {
+ unsigned soff, doff, w, p;
+
+ soff = (sbox->x + off) & ~0x3f;
+ doff = (dbox->x + off) & ~0x3f;
+
+ w = MIN2(sbox->width - off, (0x4000 - 0x40));
+ p = align(w, 64);
+
+ debug_assert((soff + w) <= fd_bo_size(src->bo));
+ debug_assert((doff + w) <= fd_bo_size(dst->bo));
+
+ /*
+ * Emit source:
+ */
+ OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 13);
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
+ A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(TILE6_LINEAR) |
+ A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(WZYX) | 0x500000);
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(sshift + w) |
+ A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(1)); /* SP_PS_2D_SRC_SIZE */
+ OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(p));
+
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ /*
+ * Emit destination:
+ */
+ OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
+ OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
+ A6XX_RB_2D_DST_INFO_TILE_MODE(TILE6_LINEAR) |
+ A6XX_RB_2D_DST_INFO_COLOR_SWAP(WZYX));
+ OUT_RELOC(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
+ OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(p));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ /*
+ * Blit command:
+ */
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sshift));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sshift + w - 1));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(0));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(0));
+
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
+ OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dshift) | A6XX_GRAS_2D_DST_TL_Y(0));
+ OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dshift + w - 1) | A6XX_GRAS_2D_DST_BR_Y(0));
+
+ OUT_PKT7(ring, CP_EVENT_WRITE, 1);
+ OUT_RING(ring, 0x3f);
+ OUT_WFI5(ring);
+
+ OUT_PKT4(ring, 0x8c01, 1);
+ OUT_RING(ring, 0);
+
+ OUT_PKT4(ring, 0xacc0, 1);
+ OUT_RING(ring, 0xf180);
+
+ OUT_PKT4(ring, 0x8e04, 1);
+ OUT_RING(ring, 0x01000000);
+
+ OUT_PKT7(ring, CP_BLIT, 1);
+ OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
+
+ OUT_WFI5(ring);
+
+ OUT_PKT4(ring, 0x8e04, 1);
+ OUT_RING(ring, 0);
+ }
+}
+
+static void
+emit_blit_texture(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
+{
+ const struct pipe_box *sbox = &info->src.box;
+ const struct pipe_box *dbox = &info->dst.box;
+ struct fd_resource *src, *dst;
+ struct fd_resource_slice *sslice, *dslice;
+ enum a6xx_color_fmt sfmt, dfmt;
+ enum a6xx_tile_mode stile, dtile;
+ enum a3xx_color_swap sswap, dswap;
+ unsigned spitch, dpitch;
+ unsigned sx1, sy1, sx2, sy2;
+ unsigned dx1, dy1, dx2, dy2;
+
+ if (DEBUG_BLIT_FALLBACK) {
+ fprintf(stderr, "texture blit: ");
+ util_dump_blit_info(stderr, info);
+ fprintf(stderr, "\ndst resource: ");
+ util_dump_resource(stderr, info->dst.resource);
+ fprintf(stderr, "\nsrc resource: ");
+ util_dump_resource(stderr, info->src.resource);
+ fprintf(stderr, "\n");
+ }
+
+ src = fd_resource(info->src.resource);
+ dst = fd_resource(info->dst.resource);
+
+ sslice = fd_resource_slice(src, info->src.level);
+ dslice = fd_resource_slice(dst, info->dst.level);
+
+ sfmt = fd6_pipe2color(info->src.format);
+ dfmt = fd6_pipe2color(info->dst.format);
+
+ int blocksize = util_format_get_blocksize(info->src.format);
+ int blockwidth = util_format_get_blockwidth(info->src.format);
+ int blockheight = util_format_get_blockheight(info->src.format);
+ int nelements;
+
+ stile = fd_resource_level_linear(info->src.resource, info->src.level) ?
+ TILE6_LINEAR : src->tile_mode;
+ dtile = fd_resource_level_linear(info->dst.resource, info->dst.level) ?
+ TILE6_LINEAR : dst->tile_mode;
+
+ sswap = fd6_pipe2swap(info->src.format);
+ dswap = fd6_pipe2swap(info->dst.format);
+
+ if (util_format_is_compressed(info->src.format)) {
+ debug_assert(info->src.format == info->dst.format);
+ sfmt = dfmt = RB6_R8_UNORM;
+ nelements = blocksize;
+ } else {
+ debug_assert(!util_format_is_compressed(info->dst.format));
+ nelements = 1;
+ }
+
+ spitch = DIV_ROUND_UP(sslice->pitch, blockwidth) * src->cpp;
+ dpitch = DIV_ROUND_UP(dslice->pitch, blockwidth) * dst->cpp;
+
+ sx1 = sbox->x / blockwidth * nelements;
+ sy1 = sbox->y / blockheight;
+ sx2 = DIV_ROUND_UP(sbox->x + sbox->width, blockwidth) * nelements - 1;
+ sy2 = DIV_ROUND_UP(sbox->y + sbox->height, blockheight) - 1;
+
+ dx1 = dbox->x / blockwidth * nelements;
+ dy1 = dbox->y / blockheight;
+ dx2 = DIV_ROUND_UP(dbox->x + dbox->width, blockwidth) * nelements - 1;
+ dy2 = DIV_ROUND_UP(dbox->y + dbox->height, blockheight) - 1;
+
+ uint32_t width = DIV_ROUND_UP(u_minify(src->base.width0, info->src.level), blockwidth) * nelements;
+ uint32_t height = DIV_ROUND_UP(u_minify(src->base.height0, info->src.level), blockheight);
+
+ /* if dtile, then dswap ignored by hw, and likewise if stile then sswap
+ * ignored by hw.. but in this case we have already rejected the blit
+ * if src and dst formats differ, so juse use WZYX for both src and
+ * dst swap mode (so we don't change component order)
+ */
+ if (stile || dtile) {
+ debug_assert(info->src.format == info->dst.format);
+ sswap = dswap = WZYX;
+ }
+
+ OUT_PKT7(ring, CP_SET_MARKER, 1);
+ OUT_RING(ring, A2XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
+
+ uint32_t blit_cntl = A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(dfmt) | 0xf00000;
+
+ if (dtile != stile)
+ blit_cntl |= 0x20000000;
+
+ if (info->scissor_enable) {
+ OUT_PKT4(ring, REG_A6XX_GRAS_RESOLVE_CNTL_1, 2);
+ OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.minx) |
+ A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.miny));
+ OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.maxx - 1) |
+ A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.maxy - 1));
+ blit_cntl |= A6XX_RB_2D_BLIT_CNTL_SCISSOR;
+ }
+
+ OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
+ OUT_RING(ring, blit_cntl);
+
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
+ OUT_RING(ring, blit_cntl);
+
+ for (unsigned i = 0; i < info->dst.box.depth; i++) {
+ unsigned soff = fd_resource_offset(src, info->src.level, sbox->z + i);
+ unsigned doff = fd_resource_offset(dst, info->dst.level, dbox->z + i);
+
+ /*
+ * Emit source:
+ */
+ uint32_t filter = 0;
+ if (info->filter == PIPE_TEX_FILTER_LINEAR)
+ filter = A6XX_SP_PS_2D_SRC_INFO_FILTER;
+
+ OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 13);
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
+ A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(stile) |
+ A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(sswap) | 0x500000 | filter);
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(width) |
+ A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(height)); /* SP_PS_2D_SRC_SIZE */
+ OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
+ OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(spitch));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ /*
+ * Emit destination:
+ */
+ OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
+ OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(dfmt) |
+ A6XX_RB_2D_DST_INFO_TILE_MODE(dtile) |
+ A6XX_RB_2D_DST_INFO_COLOR_SWAP(dswap));
+ OUT_RELOC(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
+ OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(dpitch));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ /*
+ * Blit command:
+ */
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sx1));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sx2));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(sy1));
+ OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(sy2));
+
+ OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
+ OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dx1) | A6XX_GRAS_2D_DST_TL_Y(dy1));
+ OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dx2) | A6XX_GRAS_2D_DST_BR_Y(dy2));
+
+ OUT_PKT7(ring, CP_EVENT_WRITE, 1);
+ OUT_RING(ring, 0x3f);
+ OUT_WFI5(ring);
+
+ OUT_PKT4(ring, 0x8c01, 1);
+ OUT_RING(ring, 0);
+
+ OUT_PKT4(ring, 0xacc0, 1);
+ OUT_RING(ring, 0xf180);
+
+ OUT_PKT4(ring, 0x8e04, 1);
+ OUT_RING(ring, 0x01000000);
+
+ OUT_PKT7(ring, CP_BLIT, 1);
+ OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
+
+ OUT_WFI5(ring);
+
+ OUT_PKT4(ring, 0x8e04, 1);
+ OUT_RING(ring, 0);
+ }
+}
+
+static void
+fd6_blit(struct pipe_context *pctx, const struct pipe_blit_info *info)
+{
+ struct fd_context *ctx = fd_context(pctx);
+ struct fd_batch *batch;
+
+ if (!can_do_blit(info)) {
+ fd_blitter_pipe_begin(ctx, info->render_condition_enable, false, FD_STAGE_BLIT);
+ fd_blitter_blit(ctx, info);
+ fd_blitter_pipe_end(ctx);
+ return;
+ }
+
+ batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx);
+
+ fd6_emit_restore(batch, batch->draw);
+ fd6_emit_lrz_flush(batch->draw);
+
+ mtx_lock(&ctx->screen->lock);
+
+ fd_batch_resource_used(batch, fd_resource(info->src.resource), false);
+ fd_batch_resource_used(batch, fd_resource(info->dst.resource), true);
+
+ mtx_unlock(&ctx->screen->lock);
+
+ emit_setup(batch->draw);
+
+ if ((info->src.resource->target == PIPE_BUFFER) &&
+ (info->dst.resource->target == PIPE_BUFFER)) {
+ assert(fd_resource(info->src.resource)->tile_mode == TILE6_LINEAR);
+ assert(fd_resource(info->dst.resource)->tile_mode == TILE6_LINEAR);
+ emit_blit_buffer(batch->draw, info);
+ } else {
+ /* I don't *think* we need to handle blits between buffer <-> !buffer */
+ debug_assert(info->src.resource->target != PIPE_BUFFER);
+ debug_assert(info->dst.resource->target != PIPE_BUFFER);
+ emit_blit_texture(batch->draw, info);
+ }
+
+ fd6_event_write(batch, batch->draw, 0x1d, true);
+ fd6_event_write(batch, batch->draw, FACENESS_FLUSH, true);
+ fd6_event_write(batch, batch->draw, CACHE_FLUSH_TS, true);
+
+ fd_resource(info->dst.resource)->valid = true;
+ batch->needs_flush = true;
+
+ fd_batch_flush(batch, false, false);
+ fd_batch_reference(&batch, NULL);
+}
+
+static void
+fd6_resource_copy_region(struct pipe_context *pctx,
+ struct pipe_resource *dst,
+ unsigned dst_level,
+ unsigned dstx, unsigned dsty, unsigned dstz,
+ struct pipe_resource *src,
+ unsigned src_level,
+ const struct pipe_box *src_box)
+{
+ struct pipe_blit_info info;
+
+ debug_assert(src->format == dst->format);
+
+ memset(&info, 0, sizeof info);
+ info.dst.resource = dst;
+ info.dst.level = dst_level;
+ info.dst.box.x = dstx;
+ info.dst.box.y = dsty;
+ info.dst.box.z = dstz;
+ info.dst.box.width = src_box->width;
+ info.dst.box.height = src_box->height;
+ assert(info.dst.box.width >= 0);
+ assert(info.dst.box.height >= 0);
+ info.dst.box.depth = 1;
+ info.dst.format = dst->format;
+ info.src.resource = src;
+ info.src.level = src_level;
+ info.src.box = *src_box;
+ info.src.format = src->format;
+ info.mask = util_format_get_mask(src->format);
+ info.filter = PIPE_TEX_FILTER_NEAREST;
+ info.scissor_enable = 0;
+
+ fd6_blit(pctx, &info);
+}
+
+void
+fd6_blitter_init(struct pipe_context *pctx)
+{
+ if (fd_mesa_debug & FD_DBG_NOBLIT)
+ return;
+
+ pctx->resource_copy_region = fd6_resource_copy_region;
+ pctx->blit = fd6_blit;
+}
+
+unsigned
+fd6_tile_mode(const struct pipe_resource *tmpl)
+{
+ /* basically just has to be a format we can blit, so uploads/downloads
+ * via linear staging buffer works:
+ */
+ return TILE6_3;
+}
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_blitter.h b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.h
new file mode 100644
index 0000000000..c1609b5793
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2017 Rob Clark <robclark at freedesktop.org>
+ * Copyright © 2018 Google, Inc.
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. 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:
+ * Rob Clark <robclark at freedesktop.org>
+ */
+
+#ifndef FD6_BLIT_H_
+#define FD6_BLIT_H_
+
+#include "pipe/p_state.h"
+
+#include "freedreno_context.h"
+
+void fd6_blitter_init(struct pipe_context *pctx);
+unsigned fd6_tile_mode(const struct pipe_resource *tmpl);
+
+#endif /* FD6_BLIT_H_ */
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_context.c b/src/gallium/drivers/freedreno/a6xx/fd6_context.c
index 02b7f1874f..b82889c7a7 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_context.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_context.c
@@ -29,6 +29,7 @@
#include "fd6_context.h"
#include "fd6_blend.h"
+#include "fd6_blitter.h"
#include "fd6_draw.h"
#include "fd6_emit.h"
#include "fd6_gmem.h"
@@ -119,6 +120,7 @@ fd6_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
fd_context_setup_common_vbos(&fd6_ctx->base);
fd6_query_context_init(pctx);
+ fd6_blitter_init(pctx);
fd6_ctx->border_color_uploader = u_upload_create(pctx, 4096, 0,
PIPE_USAGE_STREAM, 0);
diff --git a/src/gallium/drivers/freedreno/meson.build b/src/gallium/drivers/freedreno/meson.build
index 25c2f627ee..0681175f73 100644
--- a/src/gallium/drivers/freedreno/meson.build
+++ b/src/gallium/drivers/freedreno/meson.build
@@ -187,6 +187,8 @@ files_libfreedreno = files(
'a6xx/a6xx.xml.h',
'a6xx/fd6_blend.c',
'a6xx/fd6_blend.h',
+ 'a6xx/fd6_blitter.c',
+ 'a6xx/fd6_blitter.h',
'a6xx/fd6_context.c',
'a6xx/fd6_context.h',
'a6xx/fd6_draw.c',
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