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freedreno/a6xx: Support y-inverted blits

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The src coordinates are s24.8. For an inverted blit that ends at y=0
we need to program -1 for sy2, so we need to handle negative values
correctly.

Fixes

  dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_dst_y
  dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_min_reverse_dst_y
  dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_min_reverse_src_y
  dEQP-GLES3.functional.fbo.invalidate.sub.unbind_blit_color
  dEQP-GLES3.functional.fbo.invalidate.whole.unbind_blit_color

Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
This commit is contained in:
Kristian H. Kristensen
2019-02-07 15:35:07 -08:00
parent 03a01e5d23
commit bc8c813d5a
1 changed files with 2 additions and 5 deletions
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7
src/gallium/drivers/freedreno/a6xx/fd6_blitter.c
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@@ -114,9 +114,6 @@ can_do_blit(const struct pipe_blit_info *info)
fail_if(util_format_is_compressed(info->src.format) &&
info->src.format != info->dst.format);
/* src box can be inverted, which we don't support.. dst box cannot: */
fail_if((info->src.box.width < 0) || (info->src.box.height < 0));
fail_if(!ok_dims(info->src.resource, &info->src.box, info->src.level));
fail_if(!ok_dims(info->dst.resource, &info->dst.box, info->dst.level));
@@ -347,8 +344,8 @@ emit_blit_texture(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
enum a6xx_tile_mode stile, dtile;
enum a3xx_color_swap sswap, dswap;
unsigned spitch, dpitch;
unsigned sx1, sy1, sx2, sy2;
unsigned dx1, dy1, dx2, dy2;
int sx1, sy1, sx2, sy2;
int dx1, dy1, dx2, dy2;
if (DEBUG_BLIT_FALLBACK) {
fprintf(stderr, "texture blit: ");