freedreno: a2xx: clear fixes and fast clear path
[mesa.git] / src / gallium / drivers / freedreno / freedreno_gmem.c
index a6925a5573121e2e1be74e3ca6cc42206392aa8b..dd35dfa29fa94441111158333aa966fcaa66cbe8 100644 (file)
@@ -1,5 +1,3 @@
-/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
-
 /*
  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
  *
 #include "util/u_string.h"
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
-#include "util/u_pack_color.h"
+#include "util/u_format.h"
 
 #include "freedreno_gmem.h"
 #include "freedreno_context.h"
-#include "freedreno_state.h"
-#include "freedreno_program.h"
+#include "freedreno_fence.h"
 #include "freedreno_resource.h"
-#include "freedreno_zsa.h"
+#include "freedreno_query_hw.h"
 #include "freedreno_util.h"
 
 /*
  * resolve.
  */
 
-static uint32_t fmt2swap(enum pipe_format format)
+static uint32_t bin_width(struct fd_screen *screen)
 {
-       switch (format) {
-       case PIPE_FORMAT_B8G8R8A8_UNORM:
-       /* TODO probably some more.. */
-               return 1;
-       default:
-               return 0;
-       }
+       if (is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen))
+               return 1024;
+       if (is_a3xx(screen))
+               return 992;
+       return 512;
 }
 
-/* transfer from gmem to system memory (ie. normal RAM) */
-
-static void
-emit_gmem2mem_surf(struct fd_ringbuffer *ring, uint32_t base,
-               struct pipe_surface *psurf)
+static uint32_t
+total_size(uint8_t cbuf_cpp[], uint8_t zsbuf_cpp[2],
+                  uint32_t bin_w, uint32_t bin_h, uint32_t gmem_align,
+                  struct fd_gmem_stateobj *gmem)
 {
-       struct fd_resource *rsc = fd_resource(psurf->texture);
-       uint32_t swap = fmt2swap(psurf->format);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
-       OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(swap) |
-                       A2XX_RB_COLOR_INFO_BASE(base / 1024) |
-                       A2XX_RB_COLOR_INFO_FORMAT(fd_pipe2color(psurf->format)));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 5);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_CONTROL));
-       OUT_RING(ring, 0x00000000);             /* RB_COPY_CONTROL */
-       OUT_RELOC(ring, rsc->bo, 0, 0);         /* RB_COPY_DEST_BASE */
-       OUT_RING(ring, rsc->pitch >> 5);        /* RB_COPY_DEST_PITCH */
-       OUT_RING(ring,                          /* RB_COPY_DEST_INFO */
-                       A2XX_RB_COPY_DEST_INFO_FORMAT(fd_pipe2color(psurf->format)) |
-                       A2XX_RB_COPY_DEST_INFO_LINEAR |
-                       A2XX_RB_COPY_DEST_INFO_SWAP(swap) |
-                       A2XX_RB_COPY_DEST_INFO_WRITE_RED |
-                       A2XX_RB_COPY_DEST_INFO_WRITE_GREEN |
-                       A2XX_RB_COPY_DEST_INFO_WRITE_BLUE |
-                       A2XX_RB_COPY_DEST_INFO_WRITE_ALPHA);
-
-       OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
-       OUT_RING(ring, 0x0000000);
-
-       OUT_PKT3(ring, CP_DRAW_INDX, 3);
-       OUT_RING(ring, 0x00000000);
-       OUT_RING(ring, DRAW(DI_PT_RECTLIST, DI_SRC_SEL_AUTO_INDEX,
-                       INDEX_SIZE_IGN, IGNORE_VISIBILITY));
-       OUT_RING(ring, 3);                                      /* NumIndices */
-}
+       uint32_t total = 0, i;
 
-static void
-emit_gmem2mem(struct fd_context *ctx, struct fd_ringbuffer *ring,
-               uint32_t xoff, uint32_t yoff, uint32_t bin_w, uint32_t bin_h)
-{
-       struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
-
-       fd_emit_vertex_bufs(ring, 0x9c, (struct fd_vertex_buf[]) {
-                       { .prsc = ctx->solid_vertexbuf, .size = 48 },
-               }, 1);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
-       OUT_RING(ring, 0);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
-       OUT_RING(ring, 0x0000028f);
-
-       fd_program_emit(ring, &ctx->solid_prog);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
-       OUT_RING(ring, 0x0000ffff);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
-       OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
-       OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |  /* PA_SU_SC_MODE_CNTL */
-                       A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
-                       A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 3);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
-       OUT_RING(ring, xy2d(0, 0));                       /* PA_SC_WINDOW_SCISSOR_TL */
-       OUT_RING(ring, xy2d(pfb->width, pfb->height));    /* PA_SC_WINDOW_SCISSOR_BR */
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
-       OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_W0_FMT |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
-       OUT_RING(ring, 0x00000000);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
-       OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(EDRAM_COPY));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_DEST_OFFSET));
-       OUT_RING(ring, A2XX_RB_COPY_DEST_OFFSET_X(xoff) |
-                       A2XX_RB_COPY_DEST_OFFSET_Y(yoff));
-
-       if (ctx->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
-               emit_gmem2mem_surf(ring, bin_w * bin_h, pfb->zsbuf);
-
-       if (ctx->resolve & FD_BUFFER_COLOR)
-               emit_gmem2mem_surf(ring, 0, pfb->cbufs[0]);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
-       OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(COLOR_DEPTH));
-}
+       for (i = 0; i < MAX_RENDER_TARGETS; i++) {
+               if (cbuf_cpp[i]) {
+                       gmem->cbuf_base[i] = align(total, gmem_align);
+                       total = gmem->cbuf_base[i] + cbuf_cpp[i] * bin_w * bin_h;
+               }
+       }
 
-/* transfer from system memory to gmem */
+       if (zsbuf_cpp[0]) {
+               gmem->zsbuf_base[0] = align(total, gmem_align);
+               total = gmem->zsbuf_base[0] + zsbuf_cpp[0] * bin_w * bin_h;
+       }
 
-static void
-emit_mem2gmem_surf(struct fd_ringbuffer *ring, uint32_t base,
-               struct pipe_surface *psurf)
-{
-       struct fd_resource *rsc = fd_resource(psurf->texture);
-       uint32_t swiz;
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
-       OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(psurf->format)) |
-                       A2XX_RB_COLOR_INFO_BASE(base) |
-                       A2XX_RB_COLOR_INFO_FORMAT(fd_pipe2color(psurf->format)));
-
-       swiz = fd_tex_swiz(psurf->format, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_GREEN,
-                       PIPE_SWIZZLE_BLUE, PIPE_SWIZZLE_ALPHA);
-
-       /* emit fb as a texture: */
-       OUT_PKT3(ring, CP_SET_CONSTANT, 7);
-       OUT_RING(ring, 0x00010000);
-       OUT_RING(ring, A2XX_SQ_TEX_0_CLAMP_X(SQ_TEX_WRAP) |
-                       A2XX_SQ_TEX_0_CLAMP_Y(SQ_TEX_WRAP) |
-                       A2XX_SQ_TEX_0_CLAMP_Z(SQ_TEX_WRAP) |
-                       A2XX_SQ_TEX_0_PITCH(rsc->pitch));
-       OUT_RELOC(ring, rsc->bo, 0,
-                       fd_pipe2surface(psurf->format) | 0x800);
-       OUT_RING(ring, A2XX_SQ_TEX_2_WIDTH(psurf->width - 1) |
-                       A2XX_SQ_TEX_2_HEIGHT(psurf->height - 1));
-       OUT_RING(ring, 0x01000000 | // XXX
-                       swiz |
-                       A2XX_SQ_TEX_3_XY_MAG_FILTER(SQ_TEX_FILTER_POINT) |
-                       A2XX_SQ_TEX_3_XY_MIN_FILTER(SQ_TEX_FILTER_POINT));
-       OUT_RING(ring, 0x00000000);
-       OUT_RING(ring, 0x00000200);
-
-       OUT_PKT3(ring, CP_DRAW_INDX, 3);
-       OUT_RING(ring, 0x00000000);
-       OUT_RING(ring, DRAW(DI_PT_RECTLIST, DI_SRC_SEL_AUTO_INDEX,
-                       INDEX_SIZE_IGN, IGNORE_VISIBILITY));
-       OUT_RING(ring, 3);                                      /* NumIndices */
-}
+       if (zsbuf_cpp[1]) {
+               gmem->zsbuf_base[1] = align(total, gmem_align);
+               total = gmem->zsbuf_base[1] + zsbuf_cpp[1] * bin_w * bin_h;
+       }
 
-static void
-emit_mem2gmem(struct fd_context *ctx, struct fd_ringbuffer *ring,
-               uint32_t xoff, uint32_t yoff, uint32_t bin_w, uint32_t bin_h)
-{
-       struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
-       float x0, y0, x1, y1;
-
-       fd_emit_vertex_bufs(ring, 0x9c, (struct fd_vertex_buf[]) {
-                       { .prsc = ctx->solid_vertexbuf, .size = 48, .offset = 0x30 },
-                       { .prsc = ctx->solid_vertexbuf, .size = 32, .offset = 0x60 },
-               }, 2);
-
-       /* write texture coordinates to vertexbuf: */
-       x0 = ((float)xoff) / ((float)pfb->width);
-       x1 = ((float)xoff + bin_w) / ((float)pfb->width);
-       y0 = ((float)yoff) / ((float)pfb->height);
-       y1 = ((float)yoff + bin_h) / ((float)pfb->height);
-       OUT_PKT3(ring, CP_MEM_WRITE, 9);
-       OUT_RELOC(ring, fd_resource(ctx->solid_vertexbuf)->bo, 0x60, 0);
-       OUT_RING(ring, fui(x0));
-       OUT_RING(ring, fui(y0));
-       OUT_RING(ring, fui(x1));
-       OUT_RING(ring, fui(y0));
-       OUT_RING(ring, fui(x0));
-       OUT_RING(ring, fui(y1));
-       OUT_RING(ring, fui(x1));
-       OUT_RING(ring, fui(y1));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
-       OUT_RING(ring, 0);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
-       OUT_RING(ring, 0x0000003b);
-
-       fd_program_emit(ring, &ctx->blit_prog);
-
-       OUT_PKT0(ring, REG_A2XX_TC_CNTL_STATUS, 1);
-       OUT_RING(ring, A2XX_TC_CNTL_STATUS_L2_INVALIDATE);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
-       OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
-       OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |
-                       A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
-                       A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
-       OUT_RING(ring, 0x0000ffff);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_COLORCONTROL));
-       OUT_RING(ring, A2XX_RB_COLORCONTROL_ALPHA_FUNC(PIPE_FUNC_ALWAYS) |
-                       A2XX_RB_COLORCONTROL_BLEND_DISABLE |
-                       A2XX_RB_COLORCONTROL_ROP_CODE(12) |
-                       A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_DISABLE) |
-                       A2XX_RB_COLORCONTROL_DITHER_TYPE(DITHER_PIXEL));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_BLEND_CONTROL));
-       OUT_RING(ring, A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(FACTOR_ONE) |
-                       A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(BLEND_DST_PLUS_SRC) |
-                       A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(FACTOR_ZERO) |
-                       A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(FACTOR_ONE) |
-                       A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(BLEND_DST_PLUS_SRC) |
-                       A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(FACTOR_ZERO));
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 3);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
-       OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_DISABLE |
-                       xy2d(0,0));                     /* PA_SC_WINDOW_SCISSOR_TL */
-       OUT_RING(ring, xy2d(bin_w, bin_h));     /* PA_SC_WINDOW_SCISSOR_BR */
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 5);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VPORT_XSCALE));
-       OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XSCALE */
-       OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XOFFSET */
-       OUT_RING(ring, fui(-(float)bin_h/2.0)); /* PA_CL_VPORT_YSCALE */
-       OUT_RING(ring, fui((float)bin_h/2.0));  /* PA_CL_VPORT_YOFFSET */
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
-       OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_XY_FMT |
-                       A2XX_PA_CL_VTE_CNTL_VTX_Z_FMT |       // XXX check this???
-                       A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
-                       A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA);
-
-       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-       OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
-       OUT_RING(ring, 0x00000000);
-
-       if (ctx->restore & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
-               emit_mem2gmem_surf(ring, bin_w * bin_h, pfb->zsbuf);
-
-       if (ctx->restore & FD_BUFFER_COLOR)
-               emit_mem2gmem_surf(ring, 0, pfb->cbufs[0]);
-
-       /* TODO blob driver seems to toss in a CACHE_FLUSH after each DRAW_INDX.. */
+       return total;
 }
 
 static void
-calculate_tiles(struct fd_context *ctx)
+calculate_tiles(struct fd_batch *batch)
 {
+       struct fd_context *ctx = batch->ctx;
+       struct fd_screen *screen = ctx->screen;
        struct fd_gmem_stateobj *gmem = &ctx->gmem;
-       struct pipe_scissor_state *scissor = &ctx->max_scissor;
-       uint32_t cpp = util_format_get_blocksize(ctx->framebuffer.cbufs[0]->format);
-       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_alignw = screen->gmem_alignw;
+       const uint32_t gmem_alignh = screen->gmem_alignh;
+       const unsigned npipes = screen->num_vsc_pipes;
+       const uint32_t gmem_size = 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 gmem_align = 0x4000;
+       uint32_t max_width = bin_width(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 | batch->restore) &
+                       (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL));
+       int tile_n[npipes];
+
+       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 MSAA, color buffers are super-sampled in GMEM: */
+               cbuf_cpp[i] *= pfb->samples;
+       }
 
-       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;
        }
 
-       minx = scissor->minx & ~31; /* round down to multiple of 32 */
-       miny = scissor->miny & ~31;
-       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;
-//     }
+       if (fd_mesa_debug & FD_DBG_NOSCIS) {
+               minx = 0;
+               miny = 0;
+               width = pfb->width;
+               height = pfb->height;
+       } else {
+               /* round down to multiple of alignment: */
+               minx = scissor->minx & ~(gmem_alignw - 1);
+               miny = scissor->miny & ~(gmem_alignh - 1);
+               width = scissor->maxx - minx;
+               height = scissor->maxy - miny;
+       }
 
-       bin_w = align(width, 32);
-       bin_h = align(height, 32);
+       bin_w = align(width, gmem_alignw);
+       bin_h = align(height, gmem_alignh);
 
        /* 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_alignw);
+       }
+
+       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);
+       }
+
+       if (is_a20x(screen) && batch->cleared) {
+               /* under normal circumstances the requirement would be 4K
+                * but the fast clear path requires an alignment of 32K
+                */
+               gmem_align = 0x8000;
        }
 
-       /* then find a bin height that satisfies the memory constraints:
+       /* 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_align, gmem) >
+                  gmem_size) {
+               if (bin_w > bin_h) {
+                       nbins_x++;
+                       bin_w = align(width / nbins_x, gmem_alignw);
+               } else {
+                       nbins_y++;
+                       bin_h = align(height / nbins_y, gmem_alignh);
+               }
        }
 
        DBG("using %d bins of size %dx%d", nbins_x*nbins_y, bin_w, bin_h);
 
        gmem->scissor = *scissor;
-       gmem->cpp = cpp;
-       gmem->minx = minx;
-       gmem->miny = miny;
+       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;
-}
 
-void
-fd_gmem_render_tiles(struct pipe_context *pctx)
-{
-       struct fd_context *ctx = fd_context(pctx);
-       struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
-       struct fd_gmem_stateobj *gmem = &ctx->gmem;
-       struct fd_ringbuffer *ring = ctx->ring;
-       enum a2xx_colorformatx colorformatx = fd_pipe2color(pfb->cbufs[0]->format);
-       uint32_t i, timestamp, yoff = 0;
-       uint32_t reg;
+       /*
+        * Assign tiles and pipes:
+        *
+        * At some point it might be worth playing with different
+        * strategies and seeing if that makes much impact on
+        * performance.
+        */
+
+#define div_round_up(v, a)  (((v) + (a) - 1) / (a))
+       /* figure out number of tiles per pipe: */
+       if (is_a20x(ctx->screen)) {
+               /* for a20x we want to minimize the number of "pipes"
+                * binning data has 3 bits for x/y (8x8) but the edges are used to
+                * cull off-screen vertices with hw binning, so we have 6x6 pipes
+                */
+               tpp_x = 6;
+               tpp_y = 6;
+       } else {
+               tpp_x = tpp_y = 1;
+               while (div_round_up(nbins_y, tpp_y) > screen->num_vsc_pipes)
+                       tpp_y += 2;
+               while ((div_round_up(nbins_y, tpp_y) *
+                               div_round_up(nbins_x, tpp_x)) > screen->num_vsc_pipes)
+                       tpp_x += 1;
+       }
 
-       calculate_tiles(ctx);
+       gmem->maxpw = tpp_x;
+       gmem->maxph = tpp_y;
 
-       DBG("rendering %dx%d tiles (%s/%s)", gmem->nbins_x, gmem->nbins_y,
-                       util_format_name(pfb->cbufs[0]->format),
-                       pfb->zsbuf ? util_format_name(pfb->zsbuf->format) : "none");
+       /* configure pipes: */
+       xoff = yoff = 0;
+       for (i = 0; i < npipes; i++) {
+               struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
 
-       /* mark the end of the clear/draw cmds before emitting per-tile cmds: */
-       fd_ringmarker_mark(ctx->draw_end);
+               if (xoff >= nbins_x) {
+                       xoff = 0;
+                       yoff += tpp_y;
+               }
 
-       /* RB_SURFACE_INFO / RB_DEPTH_INFO can be emitted once per tile pass,
-        * but RB_COLOR_INFO gets overwritten by gmem2mem and mem2gmem and so
-        * needs to be emitted for each tile:
-        */
-       OUT_PKT3(ring, CP_SET_CONSTANT, 4);
-       OUT_RING(ring, CP_REG(REG_A2XX_RB_SURFACE_INFO));
-       OUT_RING(ring, gmem->bin_w);                 /* RB_SURFACE_INFO */
-       OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(1) | /* RB_COLOR_INFO */
-                       A2XX_RB_COLOR_INFO_FORMAT(colorformatx));
-       reg = A2XX_RB_DEPTH_INFO_DEPTH_BASE(align(gmem->bin_w * gmem->bin_h, 4));
-       if (pfb->zsbuf)
-               reg |= A2XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
-       OUT_RING(ring, reg);                         /* RB_DEPTH_INFO */
-
-       yoff= gmem->miny;
-       for (i = 0; i < gmem->nbins_y; i++) {
-               uint32_t j, xoff = gmem->minx;
-               uint32_t bh = gmem->bin_h;
+               if (yoff >= nbins_y) {
+                       break;
+               }
 
-               /* clip bin height: */
-               bh = MIN2(bh, gmem->height - yoff);
+               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 (j = 0; j < gmem->nbins_x; j++) {
-                       uint32_t bw = gmem->bin_w;
+       /* number of pipes to use for a20x */
+       gmem->num_vsc_pipes = MAX2(1, i);
 
-                       /* clip bin width: */
-                       bw = MIN2(bw, gmem->width - xoff);
+       for (; i < npipes; i++) {
+               struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
+               pipe->x = pipe->y = pipe->w = pipe->h = 0;
+       }
 
-                       DBG("bin_h=%d, yoff=%d, bin_w=%d, xoff=%d",
-                                       bh, yoff, bw, xoff);
+#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++) {
+               uint32_t bw, bh;
 
-                       /* setup screen scissor for current tile (same for mem2gmem): */
-                       OUT_PKT3(ring, CP_SET_CONSTANT, 3);
-                       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_SCREEN_SCISSOR_TL));
-                       OUT_RING(ring, xy2d(0,0));           /* PA_SC_SCREEN_SCISSOR_TL */
-                       OUT_RING(ring, xy2d(bw, bh));        /* PA_SC_SCREEN_SCISSOR_BR */
+               xoff = minx;
 
-                       if (ctx->restore)
-                               emit_mem2gmem(ctx, ring, xoff, yoff, bw, bh);
+               /* clip bin height: */
+               bh = MIN2(bin_h, miny + height - yoff);
 
-                       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-                       OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
-                       OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(1) | /* RB_COLOR_INFO */
-                                       A2XX_RB_COLOR_INFO_FORMAT(colorformatx));
+               for (j = 0; j < nbins_x; j++) {
+                       struct fd_tile *tile = &ctx->tile[t];
+                       uint32_t p;
 
-                       /* setup window scissor and offset for current tile (different
-                        * from mem2gmem):
-                        */
-                       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-                       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
-                       OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_X(-xoff) |
-                                       A2XX_PA_SC_WINDOW_OFFSET_Y(-yoff));/* PA_SC_WINDOW_OFFSET */
+                       assert(t < ARRAY_SIZE(ctx->tile));
 
-                       /* emit IB to drawcmds: */
-                       OUT_IB  (ring, ctx->draw_start, ctx->draw_end);
+                       /* pipe number: */
+                       p = ((i / tpp_y) * div_round_up(nbins_x, tpp_x)) + (j / tpp_x);
+                       assert(p < gmem->num_vsc_pipes);
 
-                       OUT_PKT3(ring, CP_SET_CONSTANT, 2);
-                       OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
-                       OUT_RING(ring, 0x00000000);          /* PA_SC_WINDOW_OFFSET */
+                       /* clip bin width: */
+                       bw = MIN2(bin_w, minx + width - xoff);
+                       tile->n = !is_a20x(ctx->screen) ? tile_n[p]++ :
+                               ((i % tpp_y + 1) << 3 | (j % tpp_x + 1));
+                       tile->p = p;
+                       tile->bin_w = bw;
+                       tile->bin_h = bh;
+                       tile->xoff = xoff;
+                       tile->yoff = yoff;
 
-                       /* emit gmem2mem to transfer tile back to system memory: */
-                       emit_gmem2mem(ctx, ring, xoff, yoff, bw, bh);
+                       t++;
 
                        xoff += bw;
                }
@@ -491,41 +323,157 @@ fd_gmem_render_tiles(struct pipe_context *pctx)
                yoff += bh;
        }
 
-       /* GPU executes starting from tile cmds, which IB back to draw cmds: */
-       fd_ringmarker_flush(ctx->draw_end);
+#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
+}
 
-       /* mark start for next draw cmds: */
-       fd_ringmarker_mark(ctx->draw_start);
+static void
+render_tiles(struct fd_batch *batch)
+{
+       struct fd_context *ctx = batch->ctx;
+       struct fd_gmem_stateobj *gmem = &ctx->gmem;
+       int i;
 
-       /* update timestamps on render targets: */
-       fd_pipe_timestamp(ctx->screen->pipe, &timestamp);
-       fd_resource(pfb->cbufs[0]->texture)->timestamp = timestamp;
-       if (pfb->zsbuf)
-               fd_resource(pfb->zsbuf->texture)->timestamp = timestamp;
+       ctx->emit_tile_init(batch);
 
-       /* reset maximal bounds: */
-       ctx->max_scissor.minx = ctx->max_scissor.miny = ~0;
-       ctx->max_scissor.maxx = ctx->max_scissor.maxy = 0;
+       if (batch->restore)
+               ctx->stats.batch_restore++;
 
-       /* 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?
-        */
-       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;
+       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(batch, tile);
+
+               if (batch->restore) {
+                       ctx->emit_tile_mem2gmem(batch, tile);
+               }
+
+               ctx->emit_tile_renderprep(batch, tile);
+
+               if (ctx->query_prepare_tile)
+                       ctx->query_prepare_tile(batch, i, batch->gmem);
+
+               /* emit IB to drawcmds: */
+               ctx->emit_ib(batch->gmem, batch->draw);
+               fd_reset_wfi(batch);
+
+               /* emit gmem2mem to transfer tile back to system memory: */
+               ctx->emit_tile_gmem2mem(batch, tile);
+       }
+
+       if (ctx->emit_tile_fini)
+               ctx->emit_tile_fini(batch);
+}
+
+static void
+render_sysmem(struct fd_batch *batch)
+{
+       struct fd_context *ctx = batch->ctx;
+
+       ctx->emit_sysmem_prep(batch);
+
+       if (ctx->query_prepare_tile)
+               ctx->query_prepare_tile(batch, 0, batch->gmem);
+
+       /* emit IB to drawcmds: */
+       ctx->emit_ib(batch->gmem, batch->draw);
+       fd_reset_wfi(batch);
+
+       if (ctx->emit_sysmem_fini)
+               ctx->emit_sysmem_fini(batch);
+}
+
+static void
+flush_ring(struct fd_batch *batch)
+{
+       uint32_t timestamp;
+       int out_fence_fd = -1;
+
+       fd_submit_flush(batch->submit, batch->in_fence_fd,
+                       batch->needs_out_fence_fd ? &out_fence_fd : NULL,
+                       &timestamp);
+
+       fd_fence_populate(batch->fence, timestamp, out_fence_fd);
+}
+
+void
+fd_gmem_render_tiles(struct fd_batch *batch)
+{
+       struct fd_context *ctx = batch->ctx;
+       struct pipe_framebuffer_state *pfb = &batch->framebuffer;
+       bool sysmem = false;
+
+       if (ctx->emit_sysmem_prep && !batch->nondraw) {
+               if (batch->cleared || batch->gmem_reason ||
+                               ((batch->num_draws > 5) && !batch->blit) ||
+                               (pfb->samples > 1)) {
+                       DBG("GMEM: cleared=%x, gmem_reason=%x, num_draws=%u, samples=%u",
+                               batch->cleared, batch->gmem_reason, batch->num_draws,
+                               pfb->samples);
+               } else if (!(fd_mesa_debug & FD_DBG_NOBYPASS)) {
+                       sysmem = true;
+               }
+
+               /* For ARB_framebuffer_no_attachments: */
+               if ((pfb->nr_cbufs == 0) && !pfb->zsbuf) {
+                       sysmem = true;
+               }
+       }
+
+       fd_reset_wfi(batch);
+
+       ctx->stats.batch_total++;
+
+       if (batch->nondraw) {
+               DBG("%p: rendering non-draw", batch);
+               ctx->stats.batch_nondraw++;
+       } else if (sysmem) {
+               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)));
+               if (ctx->query_prepare)
+                       ctx->query_prepare(batch, 1);
+               render_sysmem(batch);
+               ctx->stats.batch_sysmem++;
+       } else {
+               struct fd_gmem_stateobj *gmem = &ctx->gmem;
+               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)));
+               if (ctx->query_prepare)
+                       ctx->query_prepare(batch, gmem->nbins_x * gmem->nbins_y);
+               render_tiles(batch);
+               ctx->stats.batch_gmem++;
+       }
+
+       flush_ring(batch);
+}
+
+/* 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;
+
+       return true;
 }