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panfrost: Align linear renderable resources

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It's just -easier- to render to aligned framebuffers. For winsys
targets, we already align, but even for an internal linear FBO we ought
to align everything nicely.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig
2019-06-06 14:36:41 -07:00
parent d89e0716a1
commit d48d991ce2
1 changed files with 10 additions and 3 deletions
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13
src/gallium/drivers/panfrost/pan_resource.c
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@@ -183,6 +183,15 @@ panfrost_setup_slices(const struct pipe_resource *tmpl, struct panfrost_bo *bo)
unsigned height = tmpl->height0;
unsigned bytes_per_pixel = util_format_get_blocksize(tmpl->format);
/* Tiled operates blockwise; linear is packed. Also, anything
* we render to has to be tile-aligned. Maybe not strictly
* necessary, but we're not *that* pressed for memory and it
* makes code a lot simpler */
bool renderable = tmpl->bind & PIPE_BIND_RENDER_TARGET;
bool tiled = bo->layout == PAN_TILED;
bool should_align = renderable || tiled;
unsigned offset = 0;
for (unsigned l = 0; l <= tmpl->last_level; ++l) {
@@ -191,9 +200,7 @@ panfrost_setup_slices(const struct pipe_resource *tmpl, struct panfrost_bo *bo)
unsigned effective_width = width;
unsigned effective_height = height;
/* Tiled operates blockwise; linear is packed */
if (bo->layout == PAN_TILED) {
if (should_align) {
effective_width = ALIGN(effective_width, 16);
effective_height = ALIGN(effective_height, 16);
}