nvk: Allow rendering to linear images with unaligned strides

We can do this by just enabling the fall-back path whenever we detect
something that's not nicely aligned.

Backport-to: 25.0
Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33990>
This commit is contained in:
Faith Ekstrand 2025-03-06 11:44:59 -06:00 committed by Marge Bot
parent a18c176093
commit e36f9d6909
2 changed files with 21 additions and 7 deletions

View file

@ -163,7 +163,8 @@ struct nvk_rendering_state {
struct nvk_attachment stencil_att;
struct nvk_attachment fsr_att;
bool all_linear;
/* True if all the conditions are met to allow rendering to linear */
bool linear;
};
struct nvk_graphics_state {

View file

@ -850,7 +850,7 @@ nvk_GetRenderingAreaGranularityKHR(
}
static bool
nvk_rendering_all_linear(const struct nvk_rendering_state *render)
nvk_rendering_linear(const struct nvk_rendering_state *render)
{
/* Depth and stencil are never linear */
if (render->depth_att.iview || render->stencil_att.iview)
@ -863,11 +863,19 @@ nvk_rendering_all_linear(const struct nvk_rendering_state *render)
const struct nvk_image *image = (struct nvk_image *)iview->vk.image;
const uint8_t ip = iview->planes[0].image_plane;
const struct nvk_image_plane *plane = &image->planes[ip];
const struct nil_image_level *level =
&image->planes[ip].nil.levels[iview->vk.base_mip_level];
&plane->nil.levels[iview->vk.base_mip_level];
if (level->tiling.gob_type != NIL_GOB_TYPE_LINEAR)
return false;
/* We can't render to a linear image unless the address and row stride
* are multiples of 128B. Fall back to tiled shadows in this case.
*/
uint64_t addr = nvk_image_plane_base_address(plane) + level->offset_B;
if (addr % 128 != 0 || level->row_stride_B % 128 != 0)
return false;
}
return true;
@ -915,7 +923,7 @@ nvk_CmdBeginRendering(VkCommandBuffer commandBuffer,
};
}
render->all_linear = nvk_rendering_all_linear(render);
render->linear = nvk_rendering_linear(render);
const VkRenderingAttachmentLocationInfoKHR ral_info = {
.sType = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_LOCATION_INFO_KHR,
@ -960,7 +968,7 @@ nvk_CmdBeginRendering(VkCommandBuffer commandBuffer,
const uint8_t ip = iview->planes[0].image_plane;
const struct nvk_image_plane *plane = &image->planes[ip];
if (!render->all_linear &&
if (!render->linear &&
plane->nil.levels[0].tiling.gob_type == NIL_GOB_TYPE_LINEAR)
plane = &image->linear_tiled_shadow;
@ -1029,7 +1037,12 @@ nvk_CmdBeginRendering(VkCommandBuffer commandBuffer,
/* NVIDIA doesn't support linear array images */
assert(iview->vk.base_array_layer == 0 && layer_count == 1);
/* The render hardware gets grumpy if things aren't 128B-aligned.
*/
uint32_t pitch = level->row_stride_B;
assert(addr % 128 == 0);
assert(pitch % 128 == 0);
const enum pipe_format p_format =
nvk_format_to_pipe_format(iview->vk.format);
/* When memory layout is set to LAYOUT_PITCH, the WIDTH field
@ -1252,7 +1265,7 @@ nvk_CmdBeginRendering(VkCommandBuffer commandBuffer,
const VkAttachmentLoadOp load_op =
pRenderingInfo->pColorAttachments[i].loadOp;
if (!render->all_linear &&
if (!render->linear &&
plane->nil.levels[0].tiling.gob_type == NIL_GOB_TYPE_LINEAR &&
load_op == VK_ATTACHMENT_LOAD_OP_LOAD)
nvk_linear_render_copy(cmd, iview, render->area, true);
@ -1328,7 +1341,7 @@ nvk_CmdEndRendering(VkCommandBuffer commandBuffer)
struct nvk_image *image = (struct nvk_image *)iview->vk.image;
const uint8_t ip = iview->planes[0].image_plane;
const struct nvk_image_plane *plane = &image->planes[ip];
if (!render->all_linear &&
if (!render->linear &&
plane->nil.levels[0].tiling.gob_type == NIL_GOB_TYPE_LINEAR &&
render->color_att[i].store_op == VK_ATTACHMENT_STORE_OP_STORE)
nvk_linear_render_copy(cmd, iview, render->area, false);