--- /dev/null
+/*
+ * Copyright (C) 2017 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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@freedesktop.org>
+ */
+
+#include "freedreno_blitter.h"
+#include "freedreno_resource.h"
+
+#include "fd5_blitter.h"
+#include "fd5_format.h"
+#include "fd5_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)
+{
+ 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 <= u_minify(r->depth0, lvl));
+}
+
+/* Not sure if format restrictions differ for src and dst, or if
+ * they only matter when src fmt != dst fmt.. but there appear to
+ * be *some* limitations so let's just start blacklisting stuff that
+ * piglit complains about
+ */
+static bool
+ok_format(enum pipe_format fmt)
+{
+ switch (fmt) {
+ case PIPE_FORMAT_R10G10B10A2_SSCALED:
+ case PIPE_FORMAT_R10G10B10A2_SNORM:
+ case PIPE_FORMAT_B10G10R10A2_USCALED:
+ case PIPE_FORMAT_B10G10R10A2_SSCALED:
+ case PIPE_FORMAT_B10G10R10A2_SNORM:
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ case PIPE_FORMAT_R10G10B10A2_USCALED:
+ case PIPE_FORMAT_B10G10R10A2_UNORM:
+ case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
+ case PIPE_FORMAT_B10G10R10A2_UINT:
+ case PIPE_FORMAT_R10G10B10A2_UINT:
+ return false;
+ default:
+ return true;
+ }
+}
+
+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..
+ */
+ if (info->dst.box.depth != info->src.box.depth)
+ return false;
+
+ if (!ok_format(info->dst.format))
+ return false;
+
+ if (!ok_format(info->src.format))
+ return false;
+
+ /* until we figure out a few more registers: */
+ if ((info->dst.box.width != info->src.box.width) ||
+ (info->dst.box.height != info->src.box.height))
+ return false;
+
+ /* src box can be inverted, which we don't support.. dst box cannot: */
+ if ((info->src.box.width < 0) || (info->src.box.height < 0))
+ return false;
+
+ if (!ok_dims(info->src.resource, &info->src.box, info->src.level))
+ return false;
+
+ if (!ok_dims(info->dst.resource, &info->dst.box, info->dst.level))
+ return false;
+
+ debug_assert(info->dst.box.width >= 0);
+ debug_assert(info->dst.box.height >= 0);
+ debug_assert(info->dst.box.depth >= 0);
+
+ if (info->dst.resource->nr_samples + info->src.resource->nr_samples)
+ return false;
+
+ if (info->scissor_enable)
+ return false;
+
+ if (info->window_rectangle_include)
+ return false;
+
+ if (info->render_condition_enable)
+ return false;
+
+ if (info->alpha_blend)
+ return false;
+
+ if (info->filter != PIPE_TEX_FILTER_NEAREST)
+ return false;
+
+ if (info->mask != util_format_get_mask(info->src.format))
+ return false;
+
+ if (info->mask != util_format_get_mask(info->dst.format))
+ return false;
+
+ if (util_format_is_compressed(info->dst.format))
+ return false;
+
+ if (util_format_is_compressed(info->src.format))
+ return false;
+
+ return true;
+}
+
+static void
+emit_setup(struct fd_ringbuffer *ring)
+{
+ 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_PKT4(ring, REG_A5XX_PC_POWER_CNTL, 1);
+ OUT_RING(ring, 0x00000003); /* PC_POWER_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_VFD_POWER_CNTL, 1);
+ OUT_RING(ring, 0x00000003); /* VFD_POWER_CNTL */
+
+ /* 0x10000000 for BYPASS.. 0x7c13c080 for GMEM: */
+ OUT_WFI5(ring);
+ OUT_PKT4(ring, REG_A5XX_RB_CCU_CNTL, 1);
+ OUT_RING(ring, 0x10000000); /* RB_CCU_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_RB_RENDER_CNTL, 1);
+ OUT_RING(ring, 0x00000008);
+
+ OUT_PKT4(ring, REG_A5XX_UNKNOWN_2100, 1);
+ OUT_RING(ring, 0x86000000); /* UNKNOWN_2100 */
+
+ OUT_PKT4(ring, REG_A5XX_UNKNOWN_2180, 1);
+ OUT_RING(ring, 0x86000000); /* UNKNOWN_2180 */
+
+ OUT_PKT4(ring, REG_A5XX_UNKNOWN_2184, 1);
+ OUT_RING(ring, 0x00000009); /* UNKNOWN_2184 */
+
+ OUT_PKT4(ring, REG_A5XX_RB_CNTL, 1);
+ OUT_RING(ring, A5XX_RB_CNTL_BYPASS);
+
+ OUT_PKT4(ring, REG_A5XX_RB_MODE_CNTL, 1);
+ OUT_RING(ring, 0x00000004); /* RB_MODE_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_SP_MODE_CNTL, 1);
+ OUT_RING(ring, 0x0000000c); /* SP_MODE_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_TPL1_MODE_CNTL, 1);
+ OUT_RING(ring, 0x00000344); /* TPL1_MODE_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_HLSQ_MODE_CNTL, 1);
+ OUT_RING(ring, 0x00000002); /* HLSQ_MODE_CNTL */
+
+ OUT_PKT4(ring, REG_A5XX_GRAS_CL_CNTL, 1);
+ OUT_RING(ring, 0x00000181); /* GRAS_CL_CNTL */
+}
+
+/* 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;
+
+ 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;
+
+ 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));
+
+ OUT_PKT7(ring, CP_SET_RENDER_MODE, 1);
+ OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(BLIT2D));
+
+ /*
+ * Emit source:
+ */
+ OUT_PKT4(ring, REG_A5XX_RB_2D_SRC_INFO, 9);
+ OUT_RING(ring, A5XX_RB_2D_SRC_INFO_COLOR_FORMAT(RB5_R8_UNORM) |
+ A5XX_RB_2D_SRC_INFO_COLOR_SWAP(WZYX));
+ OUT_RELOC(ring, src->bo, soff, 0, 0); /* RB_2D_SRC_LO/HI */
+ OUT_RING(ring, A5XX_RB_2D_SRC_SIZE_PITCH(p) |
+ A5XX_RB_2D_SRC_SIZE_ARRAY_PITCH(128));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_PKT4(ring, REG_A5XX_GRAS_2D_SRC_INFO, 1);
+ OUT_RING(ring, A5XX_GRAS_2D_SRC_INFO_COLOR_FORMAT(RB5_R8_UNORM) |
+ A5XX_GRAS_2D_SRC_INFO_COLOR_SWAP(WZYX));
+
+ /*
+ * Emit destination:
+ */
+ OUT_PKT4(ring, REG_A5XX_RB_2D_DST_INFO, 9);
+ OUT_RING(ring, A5XX_RB_2D_DST_INFO_COLOR_FORMAT(RB5_R8_UNORM) |
+ A5XX_RB_2D_DST_INFO_COLOR_SWAP(WZYX));
+ OUT_RELOCW(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
+ OUT_RING(ring, A5XX_RB_2D_DST_SIZE_PITCH(p) |
+ A5XX_RB_2D_DST_SIZE_ARRAY_PITCH(128));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_PKT4(ring, REG_A5XX_GRAS_2D_DST_INFO, 1);
+ OUT_RING(ring, A5XX_GRAS_2D_DST_INFO_COLOR_FORMAT(RB5_R8_UNORM) |
+ A5XX_GRAS_2D_DST_INFO_COLOR_SWAP(WZYX));
+
+ /*
+ * Blit command:
+ */
+ OUT_PKT7(ring, CP_BLIT, 5);
+ OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_COPY));
+ OUT_RING(ring, CP_BLIT_1_SRC_X1(sshift) | CP_BLIT_1_SRC_Y1(0));
+ OUT_RING(ring, CP_BLIT_2_SRC_X2(sshift+w-1) | CP_BLIT_2_SRC_Y2(0));
+ OUT_RING(ring, CP_BLIT_3_DST_X1(dshift) | CP_BLIT_3_DST_Y1(0));
+ OUT_RING(ring, CP_BLIT_4_DST_X2(dshift+w-1) | CP_BLIT_4_DST_Y2(0));
+
+ OUT_PKT7(ring, CP_SET_RENDER_MODE, 1);
+ OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(END2D));
+
+ OUT_WFI5(ring);
+ }
+}
+
+static void
+emit_blit(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 a5xx_color_fmt sfmt, dfmt;
+ enum a3xx_color_swap sswap, dswap;
+ unsigned ssize, dsize, spitch, dpitch;
+ unsigned sx1, sy1, sx2, sy2;
+ unsigned dx1, dy1, dx2, dy2;
+
+ 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 = fd5_pipe2color(info->src.format);
+ dfmt = fd5_pipe2color(info->dst.format);
+
+ sswap = fd5_pipe2swap(info->src.format);
+ dswap = fd5_pipe2swap(info->dst.format);
+
+ spitch = sslice->pitch * src->cpp;
+ dpitch = dslice->pitch * dst->cpp;
+
+ sx1 = sbox->x;
+ sy1 = sbox->y;
+ sx2 = sbox->x + sbox->width - 1;
+ sy2 = sbox->y + sbox->height - 1;
+
+ dx1 = dbox->x;
+ dy1 = dbox->y;
+ dx2 = dbox->x + dbox->width - 1;
+ dy2 = dbox->y + dbox->height - 1;
+
+ if (info->src.resource->target == PIPE_TEXTURE_3D)
+ ssize = sslice->size0;
+ else
+ ssize = src->layer_size;
+
+ if (info->dst.resource->target == PIPE_TEXTURE_3D)
+ dsize = dslice->size0;
+ else
+ dsize = dst->layer_size;
+
+ 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);
+
+ debug_assert((soff + (sbox->height * spitch)) <= fd_bo_size(src->bo));
+ debug_assert((doff + (dbox->height * dpitch)) <= fd_bo_size(dst->bo));
+
+ OUT_PKT7(ring, CP_SET_RENDER_MODE, 1);
+ OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(BLIT2D));
+
+ /*
+ * Emit source:
+ */
+ OUT_PKT4(ring, REG_A5XX_RB_2D_SRC_INFO, 9);
+ OUT_RING(ring, A5XX_RB_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
+ A5XX_RB_2D_SRC_INFO_COLOR_SWAP(sswap));
+ OUT_RELOC(ring, src->bo, soff, 0, 0); /* RB_2D_SRC_LO/HI */
+ OUT_RING(ring, A5XX_RB_2D_SRC_SIZE_PITCH(spitch) |
+ A5XX_RB_2D_SRC_SIZE_ARRAY_PITCH(ssize));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_PKT4(ring, REG_A5XX_GRAS_2D_SRC_INFO, 1);
+ OUT_RING(ring, A5XX_GRAS_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
+ A5XX_GRAS_2D_SRC_INFO_COLOR_SWAP(sswap));
+
+ /*
+ * Emit destination:
+ */
+ OUT_PKT4(ring, REG_A5XX_RB_2D_DST_INFO, 9);
+ OUT_RING(ring, A5XX_RB_2D_DST_INFO_COLOR_FORMAT(dfmt) |
+ A5XX_RB_2D_DST_INFO_COLOR_SWAP(dswap));
+ OUT_RELOCW(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
+ OUT_RING(ring, A5XX_RB_2D_DST_SIZE_PITCH(dpitch) |
+ A5XX_RB_2D_DST_SIZE_ARRAY_PITCH(dsize));
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, 0x00000000);
+
+ OUT_PKT4(ring, REG_A5XX_GRAS_2D_DST_INFO, 1);
+ OUT_RING(ring, A5XX_GRAS_2D_DST_INFO_COLOR_FORMAT(dfmt) |
+ A5XX_GRAS_2D_DST_INFO_COLOR_SWAP(dswap));
+
+ /*
+ * Blit command:
+ */
+ OUT_PKT7(ring, CP_BLIT, 5);
+ OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_COPY));
+ OUT_RING(ring, CP_BLIT_1_SRC_X1(sx1) | CP_BLIT_1_SRC_Y1(sy1));
+ OUT_RING(ring, CP_BLIT_2_SRC_X2(sx2) | CP_BLIT_2_SRC_Y2(sy2));
+ OUT_RING(ring, CP_BLIT_3_DST_X1(dx1) | CP_BLIT_3_DST_Y1(dy1));
+ OUT_RING(ring, CP_BLIT_4_DST_X2(dx2) | CP_BLIT_4_DST_Y2(dy2));
+
+ OUT_PKT7(ring, CP_SET_RENDER_MODE, 1);
+ OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(END2D));
+ }
+}
+
+void
+fd5_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
+{
+ struct fd_batch *batch;
+
+ if (!can_do_blit(info)) {
+ fd_blitter_blit(ctx, info);
+ return;
+ }
+
+ batch = fd_batch_create(ctx, true);
+
+ fd5_emit_restore(batch, batch->draw);
+ fd5_emit_lrz_flush(batch->draw);
+
+ emit_setup(batch->draw);
+
+ if ((info->src.resource->target == PIPE_BUFFER) &&
+ (info->dst.resource->target == PIPE_BUFFER)) {
+ 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(batch->draw, info);
+ }
+ fd_resource(info->dst.resource)->valid = true;
+ batch->needs_flush = true;
+
+ fd_batch_flush(batch, false, false);
+}
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