/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2013 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 "pipe/p_state.h"
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_format.h"

#include "freedreno_draw.h"
#include "freedreno_state.h"
#include "freedreno_resource.h"

#include "fd3_gmem.h"
#include "fd3_context.h"
#include "fd3_emit.h"
#include "fd3_program.h"
#include "fd3_format.h"
#include "fd3_zsa.h"

static void
emit_mrt(struct fd_ringbuffer *ring, unsigned nr_bufs,
		 struct pipe_surface **bufs, uint32_t *bases, uint32_t bin_w,
		 bool decode_srgb)
{
	enum a3xx_tile_mode tile_mode;
	unsigned i;

	if (bin_w) {
		tile_mode = TILE_32X32;
	} else {
		tile_mode = LINEAR;
	}

	for (i = 0; i < A3XX_MAX_RENDER_TARGETS; i++) {
		enum pipe_format pformat = 0;
		enum a3xx_color_fmt format = 0;
		enum a3xx_color_swap swap = WZYX;
		bool srgb = false;
		struct fd_resource *rsc = NULL;
		struct fd_resource_slice *slice = NULL;
		uint32_t stride = 0;
		uint32_t base = 0;
		uint32_t offset = 0;

		if ((i < nr_bufs) && bufs[i]) {
			struct pipe_surface *psurf = bufs[i];

			rsc = fd_resource(psurf->texture);
			pformat = psurf->format;
			/* In case we're drawing to Z32F_S8, the "color" actually goes to
			 * the stencil
			 */
			if (rsc->stencil) {
				rsc = rsc->stencil;
				pformat = rsc->base.b.format;
				bases++;
			}
			slice = fd_resource_slice(rsc, psurf->u.tex.level);
			format = fd3_pipe2color(pformat);
			swap = fd3_pipe2swap(pformat);
			if (decode_srgb)
				srgb = util_format_is_srgb(pformat);
			else
				pformat = util_format_linear(pformat);

			debug_assert(psurf->u.tex.first_layer == psurf->u.tex.last_layer);

			offset = fd_resource_offset(rsc, psurf->u.tex.level,
					psurf->u.tex.first_layer);

			if (bin_w) {
				stride = bin_w * rsc->cpp;

				if (bases) {
					base = bases[i];
				}
			} else {
				stride = slice->pitch * rsc->cpp;
			}
		} else if (i < nr_bufs && bases) {
			base = bases[i];
		}

		OUT_PKT0(ring, REG_A3XX_RB_MRT_BUF_INFO(i), 2);
		OUT_RING(ring, A3XX_RB_MRT_BUF_INFO_COLOR_FORMAT(format) |
				A3XX_RB_MRT_BUF_INFO_COLOR_TILE_MODE(tile_mode) |
				A3XX_RB_MRT_BUF_INFO_COLOR_BUF_PITCH(stride) |
				A3XX_RB_MRT_BUF_INFO_COLOR_SWAP(swap) |
				COND(srgb, A3XX_RB_MRT_BUF_INFO_COLOR_SRGB));
		if (bin_w || (i >= nr_bufs) || !bufs[i]) {
			OUT_RING(ring, A3XX_RB_MRT_BUF_BASE_COLOR_BUF_BASE(base));
		} else {
			OUT_RELOCW(ring, rsc->bo, offset, 0, -1);
		}

		OUT_PKT0(ring, REG_A3XX_SP_FS_IMAGE_OUTPUT_REG(i), 1);
		OUT_RING(ring, COND((i < nr_bufs) && bufs[i],
							A3XX_SP_FS_IMAGE_OUTPUT_REG_MRTFORMAT(
									fd3_fs_output_format(pformat))));
	}
}

static bool
use_hw_binning(struct fd_context *ctx)
{
	struct fd_gmem_stateobj *gmem = &ctx->gmem;

	/* workaround: combining scissor optimization and hw binning
	 * seems problematic.  Seems like we end up with a mismatch
	 * between binning pass and rendering pass, wrt. where the hw
	 * thinks the vertices belong.  And the blob driver doesn't
	 * seem to implement anything like scissor optimization, so
	 * not entirely sure what I might be missing.
	 *
	 * But scissor optimization is mainly for window managers,
	 * which don't have many vertices (and therefore doesn't
	 * benefit much from binning pass).
	 *
	 * So for now just disable binning if scissor optimization is
	 * used.
	 */
	if (gmem->minx || gmem->miny)
		return false;

	return fd_binning_enabled && ((gmem->nbins_x * gmem->nbins_y) > 2);
}

/* workaround for (hlsq?) lockup with hw binning on a3xx patchlevel 0 */
static void update_vsc_pipe(struct fd_context *ctx);
static void
emit_binning_workaround(struct fd_context *ctx)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	struct fd_gmem_stateobj *gmem = &ctx->gmem;
	struct fd_ringbuffer *ring = ctx->ring;
	struct fd3_emit emit = {
			.vtx = &fd3_ctx->solid_vbuf_state,
			.prog = &ctx->solid_prog,
			.key = {
				.half_precision = true,
			},
	};

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 2);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(0));
	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_BIN_WIDTH(32) |
			A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER));

	OUT_PKT0(ring, REG_A3XX_RB_COPY_CONTROL, 4);
	OUT_RING(ring, A3XX_RB_COPY_CONTROL_MSAA_RESOLVE(MSAA_ONE) |
			A3XX_RB_COPY_CONTROL_MODE(0) |
			A3XX_RB_COPY_CONTROL_GMEM_BASE(0));
	OUT_RELOCW(ring, fd_resource(fd3_ctx->solid_vbuf)->bo, 0x20, 0, -1);  /* RB_COPY_DEST_BASE */
	OUT_RING(ring, A3XX_RB_COPY_DEST_PITCH_PITCH(128));
	OUT_RING(ring, A3XX_RB_COPY_DEST_INFO_TILE(LINEAR) |
			A3XX_RB_COPY_DEST_INFO_FORMAT(RB_R8G8B8A8_UNORM) |
			A3XX_RB_COPY_DEST_INFO_SWAP(WZYX) |
			A3XX_RB_COPY_DEST_INFO_COMPONENT_ENABLE(0xf) |
			A3XX_RB_COPY_DEST_INFO_ENDIAN(ENDIAN_NONE));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));

	fd3_program_emit(ring, &emit, 0, NULL);
	fd3_emit_vertex_bufs(ring, &emit);

	OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 4);
	OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
			A3XX_HLSQ_CONTROL_0_REG_FSSUPERTHREADENABLE |
			A3XX_HLSQ_CONTROL_0_REG_RESERVED2 |
			A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
	OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
			A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE);
	OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
	OUT_RING(ring, 0); /* HLSQ_CONTROL_3_REG */

	OUT_PKT0(ring, REG_A3XX_HLSQ_CONST_FSPRESV_RANGE_REG, 1);
	OUT_RING(ring, A3XX_HLSQ_CONST_FSPRESV_RANGE_REG_STARTENTRY(0x20) |
			A3XX_HLSQ_CONST_FSPRESV_RANGE_REG_ENDENTRY(0x20));

	OUT_PKT0(ring, REG_A3XX_RB_MSAA_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MSAA_CONTROL_DISABLE |
			A3XX_RB_MSAA_CONTROL_SAMPLES(MSAA_ONE) |
			A3XX_RB_MSAA_CONTROL_SAMPLE_MASK(0xffff));

	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));

	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));

	OUT_PKT0(ring, REG_A3XX_GRAS_SU_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SU_MODE_CONTROL_LINEHALFWIDTH(0.0));

	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */

	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(1));
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(0) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(1));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(31) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(0));

	fd_wfi(ctx, ring);
	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET(0.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE(1.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET(0.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(1.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));

	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
	OUT_RING(ring, A3XX_GRAS_CL_CLIP_CNTL_CLIP_DISABLE |
			A3XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE |
			A3XX_GRAS_CL_CLIP_CNTL_VP_CLIP_CODE_IGNORE |
			A3XX_GRAS_CL_CLIP_CNTL_VP_XFORM_DISABLE |
			A3XX_GRAS_CL_CLIP_CNTL_PERSP_DIVISION_DISABLE);

	OUT_PKT0(ring, REG_A3XX_GRAS_CL_GB_CLIP_ADJ, 1);
	OUT_RING(ring, A3XX_GRAS_CL_GB_CLIP_ADJ_HORZ(0) |
			A3XX_GRAS_CL_GB_CLIP_ADJ_VERT(0));

	OUT_PKT3(ring, CP_DRAW_INDX_2, 5);
	OUT_RING(ring, 0x00000000);   /* viz query info. */
	OUT_RING(ring, DRAW(DI_PT_RECTLIST, DI_SRC_SEL_IMMEDIATE,
						INDEX_SIZE_32_BIT, IGNORE_VISIBILITY, 0));
	OUT_RING(ring, 2);            /* NumIndices */
	OUT_RING(ring, 2);
	OUT_RING(ring, 1);
	fd_reset_wfi(ctx);

	OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 1);
	OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(TWO_QUADS));

	OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
	OUT_RING(ring, 0x00000000);

	fd_wfi(ctx, ring);
	OUT_PKT0(ring, REG_A3XX_VSC_BIN_SIZE, 1);
	OUT_RING(ring, A3XX_VSC_BIN_SIZE_WIDTH(gmem->bin_w) |
			A3XX_VSC_BIN_SIZE_HEIGHT(gmem->bin_h));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));

	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
	OUT_RING(ring, 0x00000000);
}

/* transfer from gmem to system memory (ie. normal RAM) */

static void
emit_gmem2mem_surf(struct fd_context *ctx,
				   enum adreno_rb_copy_control_mode mode,
				   bool stencil,
				   uint32_t base, struct pipe_surface *psurf)
{
	struct fd_ringbuffer *ring = ctx->ring;
	struct fd_resource *rsc = fd_resource(psurf->texture);
	enum pipe_format format = psurf->format;
	if (stencil) {
		rsc = rsc->stencil;
		format = rsc->base.b.format;
	}
	struct fd_resource_slice *slice = fd_resource_slice(rsc, psurf->u.tex.level);
	uint32_t offset = fd_resource_offset(rsc, psurf->u.tex.level,
			psurf->u.tex.first_layer);

	debug_assert(psurf->u.tex.first_layer == psurf->u.tex.last_layer);

	OUT_PKT0(ring, REG_A3XX_RB_COPY_CONTROL, 4);
	OUT_RING(ring, A3XX_RB_COPY_CONTROL_MSAA_RESOLVE(MSAA_ONE) |
			A3XX_RB_COPY_CONTROL_MODE(mode) |
			A3XX_RB_COPY_CONTROL_GMEM_BASE(base) |
			COND(format == PIPE_FORMAT_Z32_FLOAT ||
				 format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT,
				 A3XX_RB_COPY_CONTROL_UNK12));

	OUT_RELOCW(ring, rsc->bo, offset, 0, -1);    /* RB_COPY_DEST_BASE */
	OUT_RING(ring, A3XX_RB_COPY_DEST_PITCH_PITCH(slice->pitch * rsc->cpp));
	OUT_RING(ring, A3XX_RB_COPY_DEST_INFO_TILE(LINEAR) |
			A3XX_RB_COPY_DEST_INFO_FORMAT(fd3_pipe2color(format)) |
			A3XX_RB_COPY_DEST_INFO_COMPONENT_ENABLE(0xf) |
			A3XX_RB_COPY_DEST_INFO_ENDIAN(ENDIAN_NONE) |
			A3XX_RB_COPY_DEST_INFO_SWAP(fd3_pipe2swap(format)));

	fd_draw(ctx, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
			DI_SRC_SEL_AUTO_INDEX, 2, 0, INDEX_SIZE_IGN, 0, 0, NULL);
}

static void
fd3_emit_tile_gmem2mem(struct fd_context *ctx, struct fd_tile *tile)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	struct fd_ringbuffer *ring = ctx->ring;
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
	struct fd3_emit emit = {
			.vtx = &fd3_ctx->solid_vbuf_state,
			.prog = &ctx->solid_prog,
			.key = {
				.half_precision = true,
			},
	};
	int i;

	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));

	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));

	OUT_PKT0(ring, REG_A3XX_RB_STENCILREFMASK, 2);
	OUT_RING(ring, 0xff000000 |
			A3XX_RB_STENCILREFMASK_STENCILREF(0) |
			A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
			A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
	OUT_RING(ring, 0xff000000 |
			A3XX_RB_STENCILREFMASK_STENCILREF(0) |
			A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
			A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));

	OUT_PKT0(ring, REG_A3XX_GRAS_SU_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SU_MODE_CONTROL_LINEHALFWIDTH(0));

	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
	OUT_RING(ring, 0x00000000);   /* GRAS_CL_CLIP_CNTL */

	fd_wfi(ctx, ring);
	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET((float)pfb->width/2.0 - 0.5));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE((float)pfb->width/2.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET((float)pfb->height/2.0 - 0.5));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(-(float)pfb->height/2.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(0));

	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
			A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(ctx->gmem.bin_w));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));

	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(0));
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(pfb->width - 1) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(pfb->height - 1));

	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */

	fd3_program_emit(ring, &emit, 0, NULL);
	fd3_emit_vertex_bufs(ring, &emit);

	if (ctx->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL)) {
		struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
		if (!rsc->stencil || ctx->resolve & FD_BUFFER_DEPTH)
			emit_gmem2mem_surf(ctx, RB_COPY_DEPTH_STENCIL, false,
							   ctx->gmem.zsbuf_base[0], pfb->zsbuf);
		if (rsc->stencil && ctx->resolve & FD_BUFFER_STENCIL)
			emit_gmem2mem_surf(ctx, RB_COPY_DEPTH_STENCIL, true,
							   ctx->gmem.zsbuf_base[1], pfb->zsbuf);
	}

	if (ctx->resolve & FD_BUFFER_COLOR) {
		for (i = 0; i < pfb->nr_cbufs; i++) {
			if (!pfb->cbufs[i])
				continue;
			if (!(ctx->resolve & (PIPE_CLEAR_COLOR0 << i)))
				continue;
			emit_gmem2mem_surf(ctx, RB_COPY_RESOLVE, false,
							   ctx->gmem.cbuf_base[i], pfb->cbufs[i]);
		}
	}

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
}

/* transfer from system memory to gmem */

static void
emit_mem2gmem_surf(struct fd_context *ctx, uint32_t bases[],
		struct pipe_surface **psurf, uint32_t bufs, uint32_t bin_w)
{
	struct fd_ringbuffer *ring = ctx->ring;
	struct pipe_surface *zsbufs[2];

	assert(bufs > 0);

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
				   A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
				   A3XX_RB_MODE_CONTROL_MRT(bufs - 1));

	emit_mrt(ring, bufs, psurf, bases, bin_w, false);

	if (psurf[0] && (psurf[0]->format == PIPE_FORMAT_Z32_FLOAT ||
					 psurf[0]->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
		/* Depth is stored as unorm in gmem, so we have to write it in using a
		 * special blit shader which writes depth.
		 */
		OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
		OUT_RING(ring, (A3XX_RB_DEPTH_CONTROL_FRAG_WRITES_Z |
						A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE |
						A3XX_RB_DEPTH_CONTROL_Z_ENABLE |
						A3XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE |
						A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_ALWAYS)));

		OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
		OUT_RING(ring, A3XX_RB_DEPTH_INFO_DEPTH_BASE(bases[0]) |
				 A3XX_RB_DEPTH_INFO_DEPTH_FORMAT(DEPTHX_32));
		OUT_RING(ring, A3XX_RB_DEPTH_PITCH(4 * ctx->gmem.bin_w));

		if (psurf[0]->format == PIPE_FORMAT_Z32_FLOAT) {
			OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(0), 1);
			OUT_RING(ring, 0);
		} else {
			/* The gmem_restore_tex logic will put the first buffer's stencil
			 * as color. Supply it with the proper information to make that
			 * happen.
			 */
			zsbufs[0] = zsbufs[1] = psurf[0];
			psurf = zsbufs;
			bufs = 2;
		}
	} else {
		OUT_PKT0(ring, REG_A3XX_SP_FS_OUTPUT_REG, 1);
		OUT_RING(ring, A3XX_SP_FS_OUTPUT_REG_MRT(bufs - 1));
	}

	fd3_emit_gmem_restore_tex(ring, psurf, bufs);

	fd_draw(ctx, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
			DI_SRC_SEL_AUTO_INDEX, 2, 0, INDEX_SIZE_IGN, 0, 0, NULL);
}

static void
fd3_emit_tile_mem2gmem(struct fd_context *ctx, struct fd_tile *tile)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	struct fd_gmem_stateobj *gmem = &ctx->gmem;
	struct fd_ringbuffer *ring = ctx->ring;
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
	struct fd3_emit emit = {
			.vtx = &fd3_ctx->blit_vbuf_state,
			.sprite_coord_enable = 1,
			/* NOTE: They all use the same VP, this is for vtx bufs. */
			.prog = &ctx->blit_prog[0],
			.key = {
				.half_precision = fd_half_precision(pfb),
			},
	};
	float x0, y0, x1, y1;
	unsigned bin_w = tile->bin_w;
	unsigned bin_h = tile->bin_h;
	unsigned i;

	/* write texture coordinates to vertexbuf: */
	x0 = ((float)tile->xoff) / ((float)pfb->width);
	x1 = ((float)tile->xoff + bin_w) / ((float)pfb->width);
	y0 = ((float)tile->yoff) / ((float)pfb->height);
	y1 = ((float)tile->yoff + bin_h) / ((float)pfb->height);

	OUT_PKT3(ring, CP_MEM_WRITE, 5);
	OUT_RELOCW(ring, fd_resource(fd3_ctx->blit_texcoord_vbuf)->bo, 0, 0, 0);
	OUT_RING(ring, fui(x0));
	OUT_RING(ring, fui(y0));
	OUT_RING(ring, fui(x1));
	OUT_RING(ring, fui(y1));

	fd3_emit_cache_flush(ctx, ring);

	for (i = 0; i < 4; i++) {
		OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(i), 1);
		OUT_RING(ring, A3XX_RB_MRT_CONTROL_ROP_CODE(ROP_COPY) |
				A3XX_RB_MRT_CONTROL_DITHER_MODE(DITHER_DISABLE) |
				A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE(0xf));

		OUT_PKT0(ring, REG_A3XX_RB_MRT_BLEND_CONTROL(i), 1);
		OUT_RING(ring, A3XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(FACTOR_ONE) |
				A3XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
				A3XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(FACTOR_ZERO) |
				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(FACTOR_ONE) |
				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(FACTOR_ZERO));
	}

	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_ALWAYS) |
			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));

	fd_wfi(ctx, ring);
	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_LESS));

	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
	OUT_RING(ring, 0);
	OUT_RING(ring, 0);

	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
	OUT_RING(ring, A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER);   /* GRAS_CL_CLIP_CNTL */

	fd_wfi(ctx, ring);
	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET((float)bin_w/2.0 - 0.5));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE((float)bin_w/2.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET((float)bin_h/2.0 - 0.5));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(-(float)bin_h/2.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(0));
	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(bin_w - 1) |
			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(bin_h - 1));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(bin_w - 1) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(bin_h - 1));

	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
	OUT_RING(ring, 0x2 |
			A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_ALWAYS) |
			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_ALWAYS) |
			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));

	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_INFO, 2);
	OUT_RING(ring, 0); /* RB_STENCIL_INFO */
	OUT_RING(ring, 0); /* RB_STENCIL_PITCH */

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));

	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(2) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);

	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */

	fd3_emit_vertex_bufs(ring, &emit);

	/* for gmem pitch/base calculations, we need to use the non-
	 * truncated tile sizes:
	 */
	bin_w = gmem->bin_w;
	bin_h = gmem->bin_h;

	if (fd_gmem_needs_restore(ctx, tile, FD_BUFFER_COLOR)) {
		emit.prog = &ctx->blit_prog[pfb->nr_cbufs - 1];
		emit.fp = NULL;      /* frag shader changed so clear cache */
		fd3_program_emit(ring, &emit, pfb->nr_cbufs, pfb->cbufs);
		emit_mem2gmem_surf(ctx, gmem->cbuf_base, pfb->cbufs, pfb->nr_cbufs, bin_w);
	}

	if (fd_gmem_needs_restore(ctx, tile, FD_BUFFER_DEPTH | FD_BUFFER_STENCIL)) {
		if (pfb->zsbuf->format != PIPE_FORMAT_Z32_FLOAT_S8X24_UINT &&
			pfb->zsbuf->format != PIPE_FORMAT_Z32_FLOAT) {
			/* Non-float can use a regular color write. It's split over 8-bit
			 * components, so half precision is always sufficient.
			 */
			emit.prog = &ctx->blit_prog[0];
			emit.key.half_precision = true;
		} else {
			/* Float depth needs special blit shader that writes depth */
			if (pfb->zsbuf->format == PIPE_FORMAT_Z32_FLOAT)
				emit.prog = &ctx->blit_z;
			else
				emit.prog = &ctx->blit_zs;
			emit.key.half_precision = false;
		}
		emit.fp = NULL;      /* frag shader changed so clear cache */
		fd3_program_emit(ring, &emit, 1, &pfb->zsbuf);
		emit_mem2gmem_surf(ctx, gmem->zsbuf_base, &pfb->zsbuf, 1, bin_w);
	}

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
				   A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
				   A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
}

static void
patch_draws(struct fd_context *ctx, enum pc_di_vis_cull_mode vismode)
{
	unsigned i;
	for (i = 0; i < fd_patch_num_elements(&ctx->draw_patches); i++) {
		struct fd_cs_patch *patch = fd_patch_element(&ctx->draw_patches, i);
		*patch->cs = patch->val | DRAW(0, 0, 0, vismode, 0);
	}
	util_dynarray_resize(&ctx->draw_patches, 0);
}

static void
patch_rbrc(struct fd_context *ctx, uint32_t val)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	unsigned i;
	for (i = 0; i < fd_patch_num_elements(&fd3_ctx->rbrc_patches); i++) {
		struct fd_cs_patch *patch = fd_patch_element(&fd3_ctx->rbrc_patches, i);
		*patch->cs = patch->val | val;
	}
	util_dynarray_resize(&fd3_ctx->rbrc_patches, 0);
}

/* for rendering directly to system memory: */
static void
fd3_emit_sysmem_prep(struct fd_context *ctx)
{
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
	struct fd_ringbuffer *ring = ctx->ring;
	uint32_t i, pitch = 0;

	for (i = 0; i < pfb->nr_cbufs; i++) {
		struct pipe_surface *psurf = pfb->cbufs[i];
		if (!psurf)
			continue;
		pitch = fd_resource(psurf->texture)->slices[psurf->u.tex.level].pitch;
	}

	fd3_emit_restore(ctx);

	OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
	OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
			A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));

	emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, NULL, 0, true);

	/* setup scissor/offset for current tile: */
	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(0) |
			A3XX_RB_WINDOW_OFFSET_Y(0));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(pfb->width - 1) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(pfb->height - 1));

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_RB_MODE_CONTROL_GMEM_BYPASS |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));

	patch_draws(ctx, IGNORE_VISIBILITY);
	patch_rbrc(ctx, A3XX_RB_RENDER_CONTROL_BIN_WIDTH(pitch));
}

static void
update_vsc_pipe(struct fd_context *ctx)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	struct fd_ringbuffer *ring = ctx->ring;
	int i;

	OUT_PKT0(ring, REG_A3XX_VSC_SIZE_ADDRESS, 1);
	OUT_RELOCW(ring, fd3_ctx->vsc_size_mem, 0, 0, 0); /* VSC_SIZE_ADDRESS */

	for (i = 0; i < 8; i++) {
		struct fd_vsc_pipe *pipe = &ctx->pipe[i];

		if (!pipe->bo) {
			pipe->bo = fd_bo_new(ctx->dev, 0x40000,
					DRM_FREEDRENO_GEM_TYPE_KMEM);
		}

		OUT_PKT0(ring, REG_A3XX_VSC_PIPE(i), 3);
		OUT_RING(ring, A3XX_VSC_PIPE_CONFIG_X(pipe->x) |
				A3XX_VSC_PIPE_CONFIG_Y(pipe->y) |
				A3XX_VSC_PIPE_CONFIG_W(pipe->w) |
				A3XX_VSC_PIPE_CONFIG_H(pipe->h));
		OUT_RELOCW(ring, pipe->bo, 0, 0, 0);       /* VSC_PIPE[i].DATA_ADDRESS */
		OUT_RING(ring, fd_bo_size(pipe->bo) - 32); /* VSC_PIPE[i].DATA_LENGTH */
	}
}

static void
emit_binning_pass(struct fd_context *ctx)
{
	struct fd_gmem_stateobj *gmem = &ctx->gmem;
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
	struct fd_ringbuffer *ring = ctx->ring;
	int i;

	uint32_t x1 = gmem->minx;
	uint32_t y1 = gmem->miny;
	uint32_t x2 = gmem->minx + gmem->width - 1;
	uint32_t y2 = gmem->miny + gmem->height - 1;

	if (ctx->screen->gpu_id == 320) {
		emit_binning_workaround(ctx);
		fd_wfi(ctx, ring);
		OUT_PKT3(ring, CP_INVALIDATE_STATE, 1);
		OUT_RING(ring, 0x00007fff);
	}

	OUT_PKT0(ring, REG_A3XX_VSC_BIN_CONTROL, 1);
	OUT_RING(ring, A3XX_VSC_BIN_CONTROL_BINNING_ENABLE);

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_TILING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));

	OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
	OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
			A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));

	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
			A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));

	/* setup scissor/offset for whole screen: */
	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(x1) |
			A3XX_RB_WINDOW_OFFSET_Y(y1));

	OUT_PKT0(ring, REG_A3XX_RB_LRZ_VSC_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_LRZ_VSC_CONTROL_BINNING_ENABLE);

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(x1) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(y1));
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(x2) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(y2));

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_TILING_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(0));

	for (i = 0; i < 4; i++) {
		OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(i), 1);
		OUT_RING(ring, A3XX_RB_MRT_CONTROL_ROP_CODE(ROP_CLEAR) |
				A3XX_RB_MRT_CONTROL_DITHER_MODE(DITHER_DISABLE) |
				A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE(0));
	}

	OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
	OUT_RING(ring, A3XX_PC_VSTREAM_CONTROL_SIZE(1) |
			A3XX_PC_VSTREAM_CONTROL_N(0));

	/* emit IB to binning drawcmds: */
	ctx->emit_ib(ring, ctx->binning_start, ctx->binning_end);
	fd_reset_wfi(ctx);

	fd_wfi(ctx, ring);

	/* and then put stuff back the way it was: */

	OUT_PKT0(ring, REG_A3XX_VSC_BIN_CONTROL, 1);
	OUT_RING(ring, 0x00000000);

	OUT_PKT0(ring, REG_A3XX_SP_SP_CTRL_REG, 1);
	OUT_RING(ring, A3XX_SP_SP_CTRL_REG_RESOLVE |
			A3XX_SP_SP_CTRL_REG_CONSTMODE(1) |
			A3XX_SP_SP_CTRL_REG_SLEEPMODE(1) |
			A3XX_SP_SP_CTRL_REG_L0MODE(0));

	OUT_PKT0(ring, REG_A3XX_RB_LRZ_VSC_CONTROL, 1);
	OUT_RING(ring, 0x00000000);

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 2);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(pfb->nr_cbufs - 1));
	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));

	fd_event_write(ctx, ring, CACHE_FLUSH);
	fd_wfi(ctx, ring);

	if (ctx->screen->gpu_id == 320) {
		/* dummy-draw workaround: */
		OUT_PKT3(ring, CP_DRAW_INDX, 3);
		OUT_RING(ring, 0x00000000);
		OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
							INDEX_SIZE_IGN, IGNORE_VISIBILITY, 0));
		OUT_RING(ring, 0);             /* NumIndices */
		fd_reset_wfi(ctx);
	}

	OUT_PKT3(ring, CP_NOP, 4);
	OUT_RING(ring, 0x00000000);
	OUT_RING(ring, 0x00000000);
	OUT_RING(ring, 0x00000000);
	OUT_RING(ring, 0x00000000);

	fd_wfi(ctx, ring);

	if (ctx->screen->gpu_id == 320) {
		emit_binning_workaround(ctx);
	}
}

/* before first tile */
static void
fd3_emit_tile_init(struct fd_context *ctx)
{
	struct fd_ringbuffer *ring = ctx->ring;
	struct fd_gmem_stateobj *gmem = &ctx->gmem;
	uint32_t rb_render_control;

	fd3_emit_restore(ctx);

	/* note: use gmem->bin_w/h, the bin_w/h parameters may be truncated
	 * at the right and bottom edge tiles
	 */
	OUT_PKT0(ring, REG_A3XX_VSC_BIN_SIZE, 1);
	OUT_RING(ring, A3XX_VSC_BIN_SIZE_WIDTH(gmem->bin_w) |
			A3XX_VSC_BIN_SIZE_HEIGHT(gmem->bin_h));

	update_vsc_pipe(ctx);

	if (use_hw_binning(ctx)) {
		/* mark the end of the binning cmds: */
		fd_ringmarker_mark(ctx->binning_end);

		/* emit hw binning pass: */
		emit_binning_pass(ctx);

		patch_draws(ctx, USE_VISIBILITY);
	} else {
		patch_draws(ctx, IGNORE_VISIBILITY);
	}

	rb_render_control = A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w);

	patch_rbrc(ctx, rb_render_control);
}

/* before mem2gmem */
static void
fd3_emit_tile_prep(struct fd_context *ctx, struct fd_tile *tile)
{
	struct fd_ringbuffer *ring = ctx->ring;
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;

	if (ctx->needs_rb_fbd) {
		fd_wfi(ctx, ring);
		OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
		OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
				A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));
		ctx->needs_rb_fbd = false;
	}

	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
}

/* before IB to rendering cmds: */
static void
fd3_emit_tile_renderprep(struct fd_context *ctx, struct fd_tile *tile)
{
	struct fd3_context *fd3_ctx = fd3_context(ctx);
	struct fd_ringbuffer *ring = ctx->ring;
	struct fd_gmem_stateobj *gmem = &ctx->gmem;
	struct pipe_framebuffer_state *pfb = &ctx->framebuffer;

	uint32_t x1 = tile->xoff;
	uint32_t y1 = tile->yoff;
	uint32_t x2 = tile->xoff + tile->bin_w - 1;
	uint32_t y2 = tile->yoff + tile->bin_h - 1;

	uint32_t reg;

	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
	reg = A3XX_RB_DEPTH_INFO_DEPTH_BASE(gmem->zsbuf_base[0]);
	if (pfb->zsbuf) {
		reg |= A3XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
	}
	OUT_RING(ring, reg);
	if (pfb->zsbuf) {
		struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
		OUT_RING(ring, A3XX_RB_DEPTH_PITCH(rsc->cpp * gmem->bin_w));
		if (rsc->stencil) {
			OUT_PKT0(ring, REG_A3XX_RB_STENCIL_INFO, 2);
			OUT_RING(ring, A3XX_RB_STENCIL_INFO_STENCIL_BASE(gmem->zsbuf_base[1]));
			OUT_RING(ring, A3XX_RB_STENCIL_PITCH(rsc->stencil->cpp * gmem->bin_w));
		}
	} else {
		OUT_RING(ring, 0x00000000);
	}

	if (use_hw_binning(ctx)) {
		struct fd_vsc_pipe *pipe = &ctx->pipe[tile->p];

		assert(pipe->w * pipe->h);

		fd_event_write(ctx, ring, HLSQ_FLUSH);
		fd_wfi(ctx, ring);

		OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
		OUT_RING(ring, A3XX_PC_VSTREAM_CONTROL_SIZE(pipe->w * pipe->h) |
				A3XX_PC_VSTREAM_CONTROL_N(tile->n));


		OUT_PKT3(ring, CP_SET_BIN_DATA, 2);
		OUT_RELOC(ring, pipe->bo, 0, 0, 0);    /* BIN_DATA_ADDR <- VSC_PIPE[p].DATA_ADDRESS */
		OUT_RELOC(ring, fd3_ctx->vsc_size_mem, /* BIN_SIZE_ADDR <- VSC_SIZE_ADDRESS + (p * 4) */
				(tile->p * 4), 0, 0);
	} else {
		OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
		OUT_RING(ring, 0x00000000);
	}

	OUT_PKT3(ring, CP_SET_BIN, 3);
	OUT_RING(ring, 0x00000000);
	OUT_RING(ring, CP_SET_BIN_1_X1(x1) | CP_SET_BIN_1_Y1(y1));
	OUT_RING(ring, CP_SET_BIN_2_X2(x2) | CP_SET_BIN_2_Y2(y2));

	emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, gmem->cbuf_base, gmem->bin_w, true);

	/* setup scissor/offset for current tile: */
	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(tile->xoff) |
			A3XX_RB_WINDOW_OFFSET_Y(tile->yoff));

	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(x1) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(y1));
	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(x2) |
			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(y2));
}

void
fd3_gmem_init(struct pipe_context *pctx)
{
	struct fd_context *ctx = fd_context(pctx);

	ctx->emit_sysmem_prep = fd3_emit_sysmem_prep;
	ctx->emit_tile_init = fd3_emit_tile_init;
	ctx->emit_tile_prep = fd3_emit_tile_prep;
	ctx->emit_tile_mem2gmem = fd3_emit_tile_mem2gmem;
	ctx->emit_tile_renderprep = fd3_emit_tile_renderprep;
	ctx->emit_tile_gmem2mem = fd3_emit_tile_gmem2mem;
}
