From fd6e18d651da4022df2bef6111900221150798bb Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Sun, 18 Jan 2015 14:47:15 -0500 Subject: [PATCH] freedreno/a4xx: sysmem bypass Signed-off-by: Rob Clark --- src/gallium/drivers/freedreno/a4xx/fd4_gmem.c | 61 ++++++++++++++++++- 1 file changed, 58 insertions(+), 3 deletions(-) diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_gmem.c b/src/gallium/drivers/freedreno/a4xx/fd4_gmem.c index e45e209e59e..f4ab9103c81 100644 --- a/src/gallium/drivers/freedreno/a4xx/fd4_gmem.c +++ b/src/gallium/drivers/freedreno/a4xx/fd4_gmem.c @@ -54,8 +54,15 @@ static void emit_mrt(struct fd_ringbuffer *ring, unsigned nr_bufs, struct pipe_surface **bufs, uint32_t *bases, uint32_t bin_w) { + enum a4xx_tile_mode tile_mode; unsigned i; + if (bin_w) { + tile_mode = 2; + } else { + tile_mode = TILE4_LINEAR; + } + for (i = 0; i < 8; i++) { enum a4xx_color_fmt format = 0; enum a3xx_color_swap swap = WZYX; @@ -91,15 +98,20 @@ emit_mrt(struct fd_ringbuffer *ring, unsigned nr_bufs, OUT_PKT0(ring, REG_A4XX_RB_MRT_BUF_INFO(i), 3); OUT_RING(ring, A4XX_RB_MRT_BUF_INFO_COLOR_FORMAT(format) | - 0x80 | /* XXX not on gmem2mem?? tile-mode? */ + A4XX_RB_MRT_BUF_INFO_COLOR_TILE_MODE(tile_mode) | A4XX_RB_MRT_BUF_INFO_COLOR_BUF_PITCH(stride) | A4XX_RB_MRT_BUF_INFO_COLOR_SWAP(swap)); if (bin_w || (i >= nr_bufs)) { OUT_RING(ring, base); + OUT_RING(ring, A4XX_RB_MRT_CONTROL3_STRIDE(stride)); } else { - OUT_RELOCW(ring, rsc->bo, offset, 0, -1); + OUT_RELOCW(ring, rsc->bo, offset, 0, 0); + /* RB_MRT[i].CONTROL3.STRIDE not emitted by c2d.. + * not sure if we need to skip it for bypass or + * not. + */ + OUT_RING(ring, A4XX_RB_MRT_CONTROL3_STRIDE(0)); } - OUT_RING(ring, A4XX_RB_MRT_CONTROL3_STRIDE(stride)); } } @@ -418,6 +430,48 @@ patch_rbrc(struct fd_context *ctx, uint32_t val) util_dynarray_resize(&fd4_ctx->rbrc_patches, 0); } +/* for rendering directly to system memory: */ +static void +fd4_emit_sysmem_prep(struct fd_context *ctx) +{ + struct pipe_framebuffer_state *pfb = &ctx->framebuffer; + struct fd_ringbuffer *ring = ctx->ring; + uint32_t pitch = 0; + + if (pfb->cbufs[0]) { + struct pipe_surface *psurf = pfb->cbufs[0]; + unsigned lvl = psurf->u.tex.level; + pitch = fd_resource(psurf->texture)->slices[lvl].pitch; + } + + fd4_emit_restore(ctx); + + OUT_PKT0(ring, REG_A4XX_RB_FRAME_BUFFER_DIMENSION, 1); + OUT_RING(ring, A4XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) | + A4XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height)); + + emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, NULL, 0); + + /* setup scissor/offset for current tile: */ + OUT_PKT0(ring, REG_A4XX_RB_BIN_OFFSET, 1); + OUT_RING(ring, A4XX_RB_BIN_OFFSET_X(0) | + A4XX_RB_BIN_OFFSET_Y(0)); + + OUT_PKT0(ring, REG_A4XX_GRAS_SC_SCREEN_SCISSOR_TL, 2); + OUT_RING(ring, A4XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) | + A4XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0)); + OUT_RING(ring, A4XX_GRAS_SC_SCREEN_SCISSOR_BR_X(pfb->width - 1) | + A4XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(pfb->height - 1)); + + OUT_PKT0(ring, REG_A4XX_RB_MODE_CONTROL, 1); + OUT_RING(ring, A4XX_RB_MODE_CONTROL_WIDTH(0) | + A4XX_RB_MODE_CONTROL_HEIGHT(0) | + 0x00c00000); /* XXX */ + + patch_draws(ctx, IGNORE_VISIBILITY); + patch_rbrc(ctx, 0); // XXX +} + static void update_vsc_pipe(struct fd_context *ctx) { @@ -558,6 +612,7 @@ fd4_gmem_init(struct pipe_context *pctx) { struct fd_context *ctx = fd_context(pctx); + ctx->emit_sysmem_prep = fd4_emit_sysmem_prep; ctx->emit_tile_init = fd4_emit_tile_init; ctx->emit_tile_prep = fd4_emit_tile_prep; ctx->emit_tile_mem2gmem = fd4_emit_tile_mem2gmem; -- 2.30.2