From 8089fb2e6249beddb774e3d0354983e7ec9afb78 Mon Sep 17 00:00:00 2001 From: "Kristian H. Kristensen" Date: Thu, 21 Nov 2019 09:14:40 -0800 Subject: [PATCH] freedreno/a6xx: Use blitter for resolve blits We have a SAMPLES_AVERAGE bit that does what we need for resolving multisample buffers - let's use it. Reviewed-by: Eric Anholt Signed-off-by: Kristian H. Kristensen Part-of: --- .../drivers/freedreno/a6xx/fd6_blitter.c | 29 ++++--------------- 1 file changed, 5 insertions(+), 24 deletions(-) diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c index 8357e71fc76..122a63323b4 100644 --- a/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c +++ b/src/gallium/drivers/freedreno/a6xx/fd6_blitter.c @@ -129,29 +129,8 @@ can_do_blit(const struct pipe_blit_info *info) debug_assert(info->dst.box.height >= 0); debug_assert(info->dst.box.depth >= 0); - /* We could probably blit between resources with equal sample count.. */ fail_if(info->dst.resource->nr_samples > 1); - /* CP_BLIT supports resolving, but seems to pick one only of the samples - * (no blending). This doesn't work for RGBA resolves, so we fall back in - * that case. However, GL/GLES spec says: - * - * "If the source formats are integer types or stencil values, a single - * sample’s value is selected for each pixel. If the source formats are - * floating-point or normalized types, the sample values for each pixel - * are resolved in an implementationdependent manner. If the source - * formats are depth values, sample values are resolved in an - * implementation-dependent manner where the result will be between the - * minimum and maximum depth values in the pixel." - * - * so do those with CP_BLIT. - * - * TODO since we re-write z/s blits to RGBA, we'll fail this check in some - * cases where we don't need to. - */ - fail_if((info->mask & PIPE_MASK_RGBA) && - info->src.resource->nr_samples > 1); - fail_if(info->window_rectangle_include); fail_if(util_format_is_srgb(info->src.format)); @@ -525,9 +504,11 @@ emit_blit_or_clear_texture(struct fd_context *ctx, struct fd_ringbuffer *ring, OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(sfmt) | A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(stile) | A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(sswap) | - A6XX_SP_PS_2D_SRC_INFO_SAMPLES(samples) | - COND(subwc_enabled, A6XX_SP_PS_2D_SRC_INFO_FLAGS) | - 0x500000 | filter); + A6XX_SP_PS_2D_SRC_INFO_SAMPLES(samples) | + COND(samples > MSAA_ONE && (info->mask & PIPE_MASK_RGBA), + A6XX_SP_PS_2D_SRC_INFO_SAMPLES_AVERAGE) | + COND(subwc_enabled, A6XX_SP_PS_2D_SRC_INFO_FLAGS) | + 0x500000 | filter); OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(width) | A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(height)); /* SP_PS_2D_SRC_SIZE */ OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */ -- 2.30.2