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Compositor: log each new dma-buf format/modifier/size it imports (for colour and swizzle reports)

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Steam's software web compositing already covers every open driver pair, Mali included.
This commit is contained in:
The412Banner committed 2026-10-12 22:52:20 -04:00
1 parent dae92488ce
commit 0e44b3a032
1 file changed
+16
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app/src/main/cpp/waylandcomp/src/vk_present.c
+16
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@@ -1095,6 +1095,22 @@ struct vkp_image *vkp_image_import_dmabuf(int fd, uint32_t drm_format, uint64_t
const VkImageUsageFlags sampled_usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
img->sampled = !as_blit_dst && g_vk.GetPhysicalDeviceImageFormatProperties2 &&
modifier_importable(img->fmt, modifier, sampled_usage);
/* Each new format/modifier/size a client hands over, once, for the graphics report: a colour
* or swizzle mismatch on a non-Adreno driver shows up as the pair it arrived as. */
{
static struct { uint32_t fmt; uint64_t mod; int w, h; } seen[32];
static int nseen;
int known = 0;
for (int i = 0; i < nseen; i++)
if (seen[i].fmt == drm_format && seen[i].mod == modifier && seen[i].w == w && seen[i].h == h) known = 1;
if (!known && nseen < 32) {
seen[nseen].fmt = drm_format; seen[nseen].mod = modifier; seen[nseen].w = w; seen[nseen].h = h; nseen++;
droiddeck_log("gpu", "dmabuf import: %c%c%c%c %s %dx%d stride %u offset %u -> vk format %d, %s%s",
drm_format & 0xff, (drm_format >> 8) & 0xff, (drm_format >> 16) & 0xff, (drm_format >> 24) & 0xff,
vkp_modifier_name(modifier), w, h, stride, offset, (int)img->fmt,
img->sampled ? "sampled" : "copied", as_blit_dst ? ", blit target" : "");
}
}
VkSubresourceLayout plane = {.offset = offset, .rowPitch = stride};
VkImageDrmFormatModifierExplicitCreateInfoEXT modInfo = {