diff options
| -rw-r--r-- | src/gallium/drivers/v3d/v3dx_draw.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/drivers/v3d/v3dx_draw.c b/src/gallium/drivers/v3d/v3dx_draw.c index 43dd4089f12..38f9e6beed4 100644 --- a/src/gallium/drivers/v3d/v3dx_draw.c +++ b/src/gallium/drivers/v3d/v3dx_draw.c @@ -613,6 +613,30 @@ v3d_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) v3d_flush(pctx); } +/* GFXH-1461: If we were to emit a load of just depth or just stencil, then + * the clear for the other may get lost. Just fall back to drawing a quad in + * that case. + */ +static bool +v3d_gfxh1461_clear_workaround(struct v3d_context *v3d, + unsigned buffers, double depth, unsigned stencil) +{ + unsigned zsclear = buffers & PIPE_CLEAR_DEPTHSTENCIL; + if (!zsclear || zsclear == PIPE_CLEAR_DEPTHSTENCIL) + return false; + + static const union pipe_color_union dummy_color = {}; + + v3d_blitter_save(v3d); + util_blitter_clear(v3d->blitter, + v3d->framebuffer.width, + v3d->framebuffer.height, + 1, + zsclear, + &dummy_color, depth, stencil); + return true; +} + static void v3d_clear(struct pipe_context *pctx, unsigned buffers, const union pipe_color_union *color, double depth, unsigned stencil) @@ -620,6 +644,12 @@ v3d_clear(struct pipe_context *pctx, unsigned buffers, struct v3d_context *v3d = v3d_context(pctx); struct v3d_job *job = v3d_get_job_for_fbo(v3d); + if (v3d_gfxh1461_clear_workaround(v3d, buffers, depth, stencil)) + buffers &= ~PIPE_CLEAR_DEPTHSTENCIL; + + if (!buffers) + return; + /* We can't flag new buffers for clearing once we've queued draws. We * could avoid this by using the 3d engine to clear. */ |