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panvk: Insert a pipeline barrier if we have any FB loads

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Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Eric R. Smith <eric.smith@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39759>
This commit is contained in:
Faith Ekstrand 2026-02-07 11:32:03 -05:00 • committed by Marge Bot
parent e2e1c3b8b7
commit b0b6ca0035
1 changed files with 25 additions and 0 deletions
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25
src/panfrost/vulkan/panvk_vX_cmd_draw.c
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@ -539,6 +539,31 @@ panvk_per_arch(cmd_init_render_state)(struct panvk_cmd_buffer *cmdbuf,
render->fb.layout.render_area_px = ra_px;
render->fb.layout.tiling_area_px = ra_px;
if (!(pRenderingInfo->flags & VK_RENDERING_RESUMING_BIT) &&
pan_fb_has_image_load(&render->fb.load, false)) {
/* Loads happen through the texture unit so, if we're going to do a
* load, we need a barrier to ensure that the texture cache gets
* invalidated prior to the load.
*/
const VkMemoryBarrier2 mem_barrier = {
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER_2,
.srcStageMask = VK_PIPELINE_STAGE_2_EARLY_FRAGMENT_TESTS_BIT |
VK_PIPELINE_STAGE_2_LATE_FRAGMENT_TESTS_BIT |
VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT,
.srcAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT |
VK_ACCESS_2_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
.dstStageMask = VK_PIPELINE_STAGE_2_FRAGMENT_SHADER_BIT,
.dstAccessMask = VK_ACCESS_2_SHADER_SAMPLED_READ_BIT,
};
const VkDependencyInfo dep_info = {
.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
.memoryBarrierCount = 1,
.pMemoryBarriers = &mem_barrier,
};
panvk_per_arch(CmdPipelineBarrier2)(panvk_cmd_buffer_to_handle(cmdbuf),
&dep_info);
}
}
void