#include "freedreno_gmem.h"
#include "freedreno_context.h"
+#include "freedreno_fence.h"
#include "freedreno_resource.h"
+#include "freedreno_query_hw.h"
#include "freedreno_util.h"
/*
* resolve.
*/
+static uint32_t bin_width(struct fd_screen *screen)
+{
+ if (is_a4xx(screen) || is_a5xx(screen))
+ return 1024;
+ if (is_a3xx(screen))
+ return 992;
+ return 512;
+}
+
+static uint32_t
+total_size(uint8_t cbuf_cpp[], uint8_t zsbuf_cpp[2],
+ uint32_t bin_w, uint32_t bin_h, struct fd_gmem_stateobj *gmem)
+{
+ uint32_t total = 0, i;
+
+ for (i = 0; i < MAX_RENDER_TARGETS; i++) {
+ if (cbuf_cpp[i]) {
+ gmem->cbuf_base[i] = align(total, 0x4000);
+ total = gmem->cbuf_base[i] + cbuf_cpp[i] * bin_w * bin_h;
+ }
+ }
+
+ if (zsbuf_cpp[0]) {
+ gmem->zsbuf_base[0] = align(total, 0x4000);
+ total = gmem->zsbuf_base[0] + zsbuf_cpp[0] * bin_w * bin_h;
+ }
+
+ if (zsbuf_cpp[1]) {
+ gmem->zsbuf_base[1] = align(total, 0x4000);
+ total = gmem->zsbuf_base[1] + zsbuf_cpp[1] * bin_w * bin_h;
+ }
+
+ return total;
+}
+
static void
-calculate_tiles(struct fd_context *ctx)
+calculate_tiles(struct fd_batch *batch)
{
+ struct fd_context *ctx = batch->ctx;
struct fd_gmem_stateobj *gmem = &ctx->gmem;
- struct pipe_scissor_state *scissor = &ctx->max_scissor;
- struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
- uint32_t gmem_size = ctx->screen->gmemsize_bytes;
+ struct pipe_scissor_state *scissor = &batch->max_scissor;
+ struct pipe_framebuffer_state *pfb = &batch->framebuffer;
+ const uint32_t gmem_alignment = ctx->screen->gmem_alignment;
+ const uint32_t gmem_size = ctx->screen->gmemsize_bytes;
uint32_t minx, miny, width, height;
uint32_t nbins_x = 1, nbins_y = 1;
uint32_t bin_w, bin_h;
- uint32_t max_width = 992;
- uint32_t cpp = 4;
- uint32_t i, j, t, p, n, xoff, yoff;
-
- if (pfb->cbufs[0])
- cpp = util_format_get_blocksize(pfb->cbufs[0]->format);
+ uint32_t max_width = bin_width(ctx->screen);
+ uint8_t cbuf_cpp[MAX_RENDER_TARGETS] = {0}, zsbuf_cpp[2] = {0};
+ uint32_t i, j, t, xoff, yoff;
+ uint32_t tpp_x, tpp_y;
+ bool has_zs = !!(batch->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL));
+ int tile_n[ARRAY_SIZE(ctx->pipe)];
+
+ if (has_zs) {
+ struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
+ zsbuf_cpp[0] = rsc->cpp;
+ if (rsc->stencil)
+ zsbuf_cpp[1] = rsc->stencil->cpp;
+ }
+ for (i = 0; i < pfb->nr_cbufs; i++) {
+ if (pfb->cbufs[i])
+ cbuf_cpp[i] = util_format_get_blocksize(pfb->cbufs[i]->format);
+ else
+ cbuf_cpp[i] = 4;
+ }
- if ((gmem->cpp == cpp) &&
- !memcmp(&gmem->scissor, scissor, sizeof(gmem->scissor))) {
+ if (!memcmp(gmem->zsbuf_cpp, zsbuf_cpp, sizeof(zsbuf_cpp)) &&
+ !memcmp(gmem->cbuf_cpp, cbuf_cpp, sizeof(cbuf_cpp)) &&
+ !memcmp(&gmem->scissor, scissor, sizeof(gmem->scissor))) {
/* everything is up-to-date */
return;
}
- if (fd_mesa_debug & FD_DBG_DSCIS) {
+ if (fd_mesa_debug & FD_DBG_NOSCIS) {
minx = 0;
miny = 0;
width = pfb->width;
height = pfb->height;
} else {
- minx = scissor->minx & ~31; /* round down to multiple of 32 */
- miny = scissor->miny & ~31;
+ /* round down to multiple of alignment: */
+ minx = scissor->minx & ~(gmem_alignment - 1);
+ miny = scissor->miny & ~(gmem_alignment - 1);
width = scissor->maxx - minx;
height = scissor->maxy - miny;
}
-// TODO we probably could optimize this a bit if we know that
-// Z or stencil is not enabled for any of the draw calls..
-// if (fd_stencil_enabled(ctx->zsa) || fd_depth_enabled(ctx->zsa)) {
- gmem_size /= 2;
- max_width = 256;
-// }
-
- bin_w = align(width, 32);
- bin_h = align(height, 32);
+ bin_w = align(width, gmem_alignment);
+ bin_h = align(height, gmem_alignment);
/* first, find a bin width that satisfies the maximum width
* restrictions:
*/
while (bin_w > max_width) {
nbins_x++;
- bin_w = align(width / nbins_x, 32);
+ bin_w = align(width / nbins_x, gmem_alignment);
}
- /* then find a bin height that satisfies the memory constraints:
+ if (fd_mesa_debug & FD_DBG_MSGS) {
+ debug_printf("binning input: cbuf cpp:");
+ for (i = 0; i < pfb->nr_cbufs; i++)
+ debug_printf(" %d", cbuf_cpp[i]);
+ debug_printf(", zsbuf cpp: %d; %dx%d\n",
+ zsbuf_cpp[0], width, height);
+ }
+
+ /* then find a bin width/height that satisfies the memory
+ * constraints:
*/
- while ((bin_w * bin_h * cpp) > gmem_size) {
- nbins_y++;
- bin_h = align(height / nbins_y, 32);
+ while (total_size(cbuf_cpp, zsbuf_cpp, bin_w, bin_h, gmem) > gmem_size) {
+ if (bin_w > bin_h) {
+ nbins_x++;
+ bin_w = align(width / nbins_x, gmem_alignment);
+ } else {
+ nbins_y++;
+ bin_h = align(height / nbins_y, gmem_alignment);
+ }
}
DBG("using %d bins of size %dx%d", nbins_x*nbins_y, bin_w, bin_h);
gmem->scissor = *scissor;
- gmem->cpp = cpp;
+ memcpy(gmem->cbuf_cpp, cbuf_cpp, sizeof(cbuf_cpp));
+ memcpy(gmem->zsbuf_cpp, zsbuf_cpp, sizeof(zsbuf_cpp));
gmem->bin_h = bin_h;
gmem->bin_w = bin_w;
gmem->nbins_x = nbins_x;
gmem->nbins_y = nbins_y;
+ gmem->minx = minx;
+ gmem->miny = miny;
gmem->width = width;
gmem->height = height;
- /* Assign tiles and pipes:
- * NOTE we currently take a rather simplistic approach of
- * mapping rows of tiles to a pipe. At some point it might
- * be worth playing with different strategies and seeing if
- * that makes much impact on performance.
+ /*
+ * Assign tiles and pipes:
+ *
+ * At some point it might be worth playing with different
+ * strategies and seeing if that makes much impact on
+ * performance.
*/
- t = p = n = 0;
+
+#define div_round_up(v, a) (((v) + (a) - 1) / (a))
+ /* figure out number of tiles per pipe: */
+ tpp_x = tpp_y = 1;
+ while (div_round_up(nbins_y, tpp_y) > 8)
+ tpp_y += 2;
+ while ((div_round_up(nbins_y, tpp_y) *
+ div_round_up(nbins_x, tpp_x)) > 8)
+ tpp_x += 1;
+
+ /* configure pipes: */
+ xoff = yoff = 0;
+ for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
+ struct fd_vsc_pipe *pipe = &ctx->pipe[i];
+
+ if (xoff >= nbins_x) {
+ xoff = 0;
+ yoff += tpp_y;
+ }
+
+ if (yoff >= nbins_y) {
+ break;
+ }
+
+ pipe->x = xoff;
+ pipe->y = yoff;
+ pipe->w = MIN2(tpp_x, nbins_x - xoff);
+ pipe->h = MIN2(tpp_y, nbins_y - yoff);
+
+ xoff += tpp_x;
+ }
+
+ for (; i < ARRAY_SIZE(ctx->pipe); i++) {
+ struct fd_vsc_pipe *pipe = &ctx->pipe[i];
+ pipe->x = pipe->y = pipe->w = pipe->h = 0;
+ }
+
+#if 0 /* debug */
+ printf("%dx%d ... tpp=%dx%d\n", nbins_x, nbins_y, tpp_x, tpp_y);
+ for (i = 0; i < 8; i++) {
+ struct fd_vsc_pipe *pipe = &ctx->pipe[i];
+ printf("pipe[%d]: %ux%u @ %u,%u\n", i,
+ pipe->w, pipe->h, pipe->x, pipe->y);
+ }
+#endif
+
+ /* configure tiles: */
+ t = 0;
yoff = miny;
+ memset(tile_n, 0, sizeof(tile_n));
for (i = 0; i < nbins_y; i++) {
- struct fd_vsc_pipe *pipe = &ctx->pipe[p];
uint32_t bw, bh;
- assert(p < ARRAY_SIZE(ctx->pipe));
-
xoff = minx;
/* clip bin height: */
for (j = 0; j < nbins_x; j++) {
struct fd_tile *tile = &ctx->tile[t];
+ uint32_t p;
assert(t < ARRAY_SIZE(ctx->tile));
+ /* pipe number: */
+ p = ((i / tpp_y) * div_round_up(nbins_x, tpp_x)) + (j / tpp_x);
+
/* clip bin width: */
bw = MIN2(bin_w, minx + width - xoff);
- tile->n = n++;
+ tile->n = tile_n[p]++;
tile->p = p;
tile->bin_w = bw;
tile->bin_h = bh;
xoff += bw;
}
- /* one pipe per row: */
- pipe->x = 0;
- pipe->y = i;
- pipe->w = nbins_x;
- pipe->h = 1;
-
- p++;
- n = 0;
-
yoff += bh;
}
- for (; p < ARRAY_SIZE(ctx->pipe); p++) {
- struct fd_vsc_pipe *pipe = &ctx->pipe[p];
- pipe->x = pipe->y = pipe->w = pipe->h = 0;
+#if 0 /* debug */
+ t = 0;
+ for (i = 0; i < nbins_y; i++) {
+ for (j = 0; j < nbins_x; j++) {
+ struct fd_tile *tile = &ctx->tile[t++];
+ printf("|p:%u n:%u|", tile->p, tile->n);
+ }
+ printf("\n");
}
+#endif
}
static void
-render_tiles(struct fd_context *ctx)
+render_tiles(struct fd_batch *batch)
{
+ struct fd_context *ctx = batch->ctx;
struct fd_gmem_stateobj *gmem = &ctx->gmem;
int i;
- ctx->emit_tile_init(ctx);
+ ctx->emit_tile_init(batch);
+
+ if (batch->restore)
+ ctx->stats.batch_restore++;
for (i = 0; i < (gmem->nbins_x * gmem->nbins_y); i++) {
struct fd_tile *tile = &ctx->tile[i];
DBG("bin_h=%d, yoff=%d, bin_w=%d, xoff=%d",
tile->bin_h, tile->yoff, tile->bin_w, tile->xoff);
- ctx->emit_tile_prep(ctx, tile);
+ ctx->emit_tile_prep(batch, tile);
+
+ if (batch->restore) {
+ ctx->emit_tile_mem2gmem(batch, tile);
+ }
- if (ctx->restore)
- ctx->emit_tile_mem2gmem(ctx, tile);
+ ctx->emit_tile_renderprep(batch, tile);
- ctx->emit_tile_renderprep(ctx, tile);
+ fd_hw_query_prepare_tile(batch, i, batch->gmem);
/* emit IB to drawcmds: */
- OUT_IB(ctx->ring, ctx->draw_start, ctx->draw_end);
+ ctx->emit_ib(batch->gmem, batch->draw);
+ fd_reset_wfi(batch);
/* emit gmem2mem to transfer tile back to system memory: */
- ctx->emit_tile_gmem2mem(ctx, tile);
+ ctx->emit_tile_gmem2mem(batch, tile);
}
+
+ if (ctx->emit_tile_fini)
+ ctx->emit_tile_fini(batch);
}
static void
-render_sysmem(struct fd_context *ctx)
+render_sysmem(struct fd_batch *batch)
{
- ctx->emit_sysmem_prep(ctx);
+ struct fd_context *ctx = batch->ctx;
+
+ ctx->emit_sysmem_prep(batch);
+
+ fd_hw_query_prepare_tile(batch, 0, batch->gmem);
/* emit IB to drawcmds: */
- OUT_IB(ctx->ring, ctx->draw_start, ctx->draw_end);
+ ctx->emit_ib(batch->gmem, batch->draw);
+ fd_reset_wfi(batch);
}
void
-fd_gmem_render_tiles(struct pipe_context *pctx)
+fd_gmem_render_tiles(struct fd_batch *batch)
{
- struct fd_context *ctx = fd_context(pctx);
- struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
- uint32_t timestamp = 0;
+ struct fd_context *ctx = batch->ctx;
+ struct pipe_framebuffer_state *pfb = &batch->framebuffer;
bool sysmem = false;
if (ctx->emit_sysmem_prep) {
- if (ctx->cleared || ctx->gmem_reason || (ctx->num_draws > 5)) {
+ if (batch->cleared || batch->gmem_reason || (batch->num_draws > 5)) {
DBG("GMEM: cleared=%x, gmem_reason=%x, num_draws=%u",
- ctx->cleared, ctx->gmem_reason, ctx->num_draws);
- } else if (!(fd_mesa_debug & FD_DBG_DBYPASS)) {
+ batch->cleared, batch->gmem_reason, batch->num_draws);
+ } else if (!(fd_mesa_debug & FD_DBG_NOBYPASS)) {
sysmem = true;
}
}
- /* mark the end of the clear/draw cmds before emitting per-tile cmds: */
- fd_ringmarker_mark(ctx->draw_end);
+ fd_reset_wfi(batch);
+
+ ctx->stats.batch_total++;
if (sysmem) {
- DBG("rendering sysmem (%s/%s)",
+ DBG("%p: rendering sysmem %ux%u (%s/%s)",
+ batch, pfb->width, pfb->height,
util_format_short_name(pipe_surface_format(pfb->cbufs[0])),
util_format_short_name(pipe_surface_format(pfb->zsbuf)));
- render_sysmem(ctx);
+ fd_hw_query_prepare(batch, 1);
+ render_sysmem(batch);
+ ctx->stats.batch_sysmem++;
} else {
struct fd_gmem_stateobj *gmem = &ctx->gmem;
- calculate_tiles(ctx);
- DBG("rendering %dx%d tiles (%s/%s)", gmem->nbins_x, gmem->nbins_y,
+ calculate_tiles(batch);
+ DBG("%p: rendering %dx%d tiles %ux%u (%s/%s)",
+ batch, pfb->width, pfb->height, gmem->nbins_x, gmem->nbins_y,
util_format_short_name(pipe_surface_format(pfb->cbufs[0])),
util_format_short_name(pipe_surface_format(pfb->zsbuf)));
- render_tiles(ctx);
+ fd_hw_query_prepare(batch, gmem->nbins_x * gmem->nbins_y);
+ render_tiles(batch);
+ ctx->stats.batch_gmem++;
}
- /* GPU executes starting from tile cmds, which IB back to draw cmds: */
- fd_ringmarker_flush(ctx->draw_end);
+ int out_fence_fd = -1;
+ fd_ringbuffer_flush2(batch->gmem, batch->in_fence_fd,
+ batch->needs_out_fence_fd ? &out_fence_fd : NULL);
- /* mark start for next draw cmds: */
- fd_ringmarker_mark(ctx->draw_start);
+ fd_fence_ref(&ctx->screen->base, &ctx->last_fence, NULL);
+ ctx->last_fence = fd_fence_create(ctx,
+ fd_ringbuffer_timestamp(batch->gmem), out_fence_fd);
+}
- /* update timestamps on render targets: */
- timestamp = fd_ringbuffer_timestamp(ctx->ring);
- if (pfb->cbufs[0])
- fd_resource(pfb->cbufs[0]->texture)->timestamp = timestamp;
- if (pfb->zsbuf)
- fd_resource(pfb->zsbuf->texture)->timestamp = timestamp;
+/* tile needs restore if it isn't completely contained within the
+ * cleared scissor:
+ */
+static bool
+skip_restore(struct pipe_scissor_state *scissor, struct fd_tile *tile)
+{
+ unsigned minx = tile->xoff;
+ unsigned maxx = tile->xoff + tile->bin_w;
+ unsigned miny = tile->yoff;
+ unsigned maxy = tile->yoff + tile->bin_h;
+ return (minx >= scissor->minx) && (maxx <= scissor->maxx) &&
+ (miny >= scissor->miny) && (maxy <= scissor->maxy);
+}
- /* reset maximal bounds: */
- ctx->max_scissor.minx = ctx->max_scissor.miny = ~0;
- ctx->max_scissor.maxx = ctx->max_scissor.maxy = 0;
+/* When deciding whether a tile needs mem2gmem, we need to take into
+ * account the scissor rect(s) that were cleared. To simplify we only
+ * consider the last scissor rect for each buffer, since the common
+ * case would be a single clear.
+ */
+bool
+fd_gmem_needs_restore(struct fd_batch *batch, struct fd_tile *tile,
+ uint32_t buffers)
+{
+ if (!(batch->restore & buffers))
+ return false;
- /* Note that because the per-tile setup and mem2gmem/gmem2mem are emitted
- * after the draw/clear calls, but executed before, we need to preemptively
- * flag some state as dirty before the first draw/clear call.
- *
- * TODO maybe we need to mark all state as dirty to not worry about state
- * being clobbered by other contexts?
+ /* if buffers partially cleared, then slow-path to figure out
+ * if this particular tile needs restoring:
*/
- ctx->dirty |= FD_DIRTY_ZSA |
- FD_DIRTY_RASTERIZER |
- FD_DIRTY_FRAMEBUFFER |
- FD_DIRTY_SAMPLE_MASK |
- FD_DIRTY_VIEWPORT |
- FD_DIRTY_CONSTBUF |
- FD_DIRTY_PROG |
- FD_DIRTY_SCISSOR |
- /* probably only needed if we need to mem2gmem on the next
- * draw.. but not sure if there is a good way to know?
- */
- FD_DIRTY_VERTTEX |
- FD_DIRTY_FRAGTEX |
- FD_DIRTY_BLEND;
-
- if (fd_mesa_debug & FD_DBG_DGMEM)
- ctx->dirty = 0xffffffff;
+ if ((buffers & FD_BUFFER_COLOR) &&
+ (batch->partial_cleared & FD_BUFFER_COLOR) &&
+ skip_restore(&batch->cleared_scissor.color, tile))
+ return false;
+ if ((buffers & FD_BUFFER_DEPTH) &&
+ (batch->partial_cleared & FD_BUFFER_DEPTH) &&
+ skip_restore(&batch->cleared_scissor.depth, tile))
+ return false;
+ if ((buffers & FD_BUFFER_STENCIL) &&
+ (batch->partial_cleared & FD_BUFFER_STENCIL) &&
+ skip_restore(&batch->cleared_scissor.stencil, tile))
+ return false;
+
+ return true;
}
projects / mesa.git / blobdiff