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panfrost/mfbd: Implement linear depth buffers

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This removes a clunky hack where the depth buffer was enabled during the
*clear*, instead of during depth buffer linking. That said, this does
not yet support writeback like AFBC depth buffers.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2019-03-12 22:49:33 +00:00
parent 23e0135723
commit 9bf6024c6b
1 changed files with 9 additions and 10 deletions
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19
src/gallium/drivers/panfrost/pan_mfbd.c
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@ -58,8 +58,6 @@ panfrost_mfbd_clear(
struct bifrost_fb_extra *fbx,
struct bifrost_render_target *rt)
{
struct panfrost_context *ctx = job->ctx;
if (job->clear & PIPE_CLEAR_COLOR) {
rt->clear_color_1 = job->clear_color;
rt->clear_color_2 = job->clear_color;
@ -74,14 +72,6 @@ panfrost_mfbd_clear(
if (job->clear & PIPE_CLEAR_STENCIL) {
fb->clear_stencil = job->clear_stencil;
}
if (job->clear & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
/* Setup combined 24/8 depth/stencil */
fb->unk3 |= MALI_MFBD_EXTRA;
fbx->flags = 0x405;
fbx->ds_linear.depth = ctx->depth_stencil_buffer.gpu;
fbx->ds_linear.depth_stride = ctx->pipe_framebuffer.width * 4;
}
}
static void
@ -155,6 +145,15 @@ panfrost_mfbd_set_zsbuf(
fbx->ds_afbc.padding = 0x1000;
fb->unk3 |= MALI_MFBD_DEPTH_WRITE;
} else if (rsrc->bo->layout == PAN_LINEAR) {
fb->unk3 |= MALI_MFBD_EXTRA;
fbx->flags |= MALI_EXTRA_PRESENT | MALI_EXTRA_ZS | 0x1;
fbx->ds_linear.depth = rsrc->bo->gpu[0];
fbx->ds_linear.depth_stride =
util_format_get_stride(surf->format, surf->texture->width0);
} else {
assert(0);
}
}