Mesa (master): panfrost/mfbd: Handle rendering to linear mipmap
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Mon Jun 17 16:00:52 UTC 2019
Module: Mesa
Branch: master
Commit: d4aed002145bb9c4d8bf9a80af3e9f3198c421fa
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d4aed002145bb9c4d8bf9a80af3e9f3198c421fa
Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date: Wed Jun 12 15:23:19 2019 -0700
panfrost/mfbd: Handle rendering to linear mipmap
In anticipation of more general mipmapping support, we implemented
support for rendering to linear mipmaps (a very simple case).
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
---
src/gallium/drivers/panfrost/pan_mfbd.c | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/panfrost/pan_mfbd.c b/src/gallium/drivers/panfrost/pan_mfbd.c
index f325c2339b4..17f59e0aab2 100644
--- a/src/gallium/drivers/panfrost/pan_mfbd.c
+++ b/src/gallium/drivers/panfrost/pan_mfbd.c
@@ -88,16 +88,22 @@ panfrost_mfbd_set_cbuf(
struct pipe_surface *surf)
{
struct panfrost_resource *rsrc = pan_resource(surf->texture);
- int stride = rsrc->bo->slices[0].stride;
+
+ unsigned level = surf->u.tex.level;
+ assert(surf->u.tex.first_layer == 0);
+
+ int stride = rsrc->bo->slices[level].stride;
+ unsigned offset = rsrc->bo->slices[level].offset;
rt->format = panfrost_mfbd_format(surf);
/* Now, we set the layout specific pieces */
if (rsrc->bo->layout == PAN_LINEAR) {
- rt->framebuffer = rsrc->bo->gpu;
+ rt->framebuffer = rsrc->bo->gpu + offset;
rt->framebuffer_stride = stride / 16;
} else if (rsrc->bo->layout == PAN_AFBC) {
+ assert(level == 0);
rt->afbc.metadata = rsrc->bo->afbc_slab.gpu;
rt->afbc.stride = 0;
rt->afbc.unk = 0x30009;
@@ -123,7 +129,13 @@ panfrost_mfbd_set_zsbuf(
{
struct panfrost_resource *rsrc = pan_resource(surf->texture);
+ unsigned level = surf->u.tex.level;
+ assert(surf->u.tex.first_layer == 0);
+
+ unsigned offset = rsrc->bo->slices[level].offset;
+
if (rsrc->bo->layout == PAN_AFBC) {
+ assert(level == 0);
fb->mfbd_flags |= MALI_MFBD_EXTRA;
fbx->flags =
@@ -141,11 +153,13 @@ panfrost_mfbd_set_zsbuf(
fbx->ds_afbc.zero1 = 0x10009;
fbx->ds_afbc.padding = 0x1000;
} else if (rsrc->bo->layout == PAN_LINEAR) {
+ int stride = rsrc->bo->slices[level].stride;
fb->mfbd_flags |= MALI_MFBD_EXTRA;
+
fbx->flags |= MALI_EXTRA_PRESENT | MALI_EXTRA_ZS | 0x1;
- fbx->ds_linear.depth = rsrc->bo->gpu;
- fbx->ds_linear.depth_stride = rsrc->bo->slices[0].stride;
+ fbx->ds_linear.depth = rsrc->bo->gpu + offset;
+ fbx->ds_linear.depth_stride = stride;
} else {
assert(0);
}
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