fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-23 23:48:18 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

panvk/csf: Allow 256 layers per tiler descriptor on v14+

Browse source 
v14+ supports up to 256 layers in a single tiler descriptor. This comes
with the limitation that only one tiler descriptor is allowed per render
pass.

Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41640>
This commit is contained in:
Marc Alcala Prieto 2026-05-15 10:10:33 +02:00 • committed by Marge Bot
parent 860a416b2d
commit 5bbde670dd
4 changed files with 18 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/panfrost/vulkan/csf/panvk_cmd_buffer.h
View file

@ -34,7 +34,11 @@ struct panvk_sync_scope {
#define MAX_VBS 16
#define MAX_RTS 8
#if PAN_ARCH >= 14
#define MAX_LAYERS_PER_TILER_DESC 256
#else
#define MAX_LAYERS_PER_TILER_DESC 8
#endif
struct panvk_cs_sync32 {
uint32_t seqno;

12
src/panfrost/vulkan/csf/panvk_vX_cmd_draw.c
View file

@ -942,6 +942,18 @@ calc_render_descs_size(struct panvk_cmd_buffer *cmdbuf)
uint32_t td_count = DIV_ROUND_UP(cmdbuf->state.gfx.render.layer_count,
MAX_LAYERS_PER_TILER_DESC);
/* v14+ supports a maximum of one tiler descriptor.
* This should be enough since the driver reports maxFramebufferLayers
* and maxMultiviewViewCount lower or equal to MAX_LAYERS_PER_TILER_DESC. */
assert(PAN_ARCH < 14 || td_count <= 1);
static_assert(
PAN_ARCH < 14 || MAX_FRAMEBUFFER_LAYERS <= MAX_LAYERS_PER_TILER_DESC,
"MAX_FRAMEBUFFER_LAYERS must be <= max amount of layers a Tiler descriptor can index");
static_assert(
PAN_ARCH < 14 ||
PAN_MAX_MULTIVIEW_VIEW_COUNT <= MAX_LAYERS_PER_TILER_DESC,
"PAN_MAX_MULTIVIEW_VIEW_COUNT must be <= max amount of layers a Tiler descriptor can index");
return (calc_fbd_size(cmdbuf) * fbd_count) +
(td_count * pan_size(TILER_CONTEXT));
}

1
src/panfrost/vulkan/panvk_cmd_draw.h
View file

@ -27,6 +27,7 @@
#include "pan_props.h"
#define MAX_VBS 16
#define MAX_FRAMEBUFFER_LAYERS 256
struct panvk_cmd_buffer;

2
src/panfrost/vulkan/panvk_vX_physical_device.c
View file

@ -918,7 +918,7 @@ panvk_per_arch(get_physical_device_properties)(
.subPixelInterpolationOffsetBits = 8,
.maxFramebufferWidth = (1 << 14),
.maxFramebufferHeight = (1 << 14),
.maxFramebufferLayers = 256,
.maxFramebufferLayers = MAX_FRAMEBUFFER_LAYERS,
.framebufferColorSampleCounts = sample_counts,
.framebufferDepthSampleCounts = sample_counts,
.framebufferStencilSampleCounts = sample_counts,