From 765e6e7165355191627f451a7e4738d0dc7f2999 Mon Sep 17 00:00:00 2001
From: Mateusz Majewski <m.majewski2@samsung.com>
Date: Fri, 9 Feb 2024 13:48:39 +0100
Subject: hardcode

---
 src/tbm_backend_dumb.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/src/tbm_backend_dumb.c b/src/tbm_backend_dumb.c
index 0edb5dc..0f7eea6 100644
--- a/src/tbm_backend_dumb.c
+++ b/src/tbm_backend_dumb.c
@@ -678,6 +678,43 @@ tbm_dumb_bufmgr_alloc_bo(hal_tbm_bufmgr *bufmgr, unsigned int size,
 
 	dumb_flags = _get_dumb_flag_from_tbm(flags);
 
+	const struct {
+		int w;
+		int h;
+	} hardcoded_sizes[] = {
+		// These are the modes that are available.
+		{ 640, 480 },
+		{ 800, 600 },
+		{ 1024, 768 },
+		{ 1280, 1024 },
+		{ 1280, 768 },
+		{ 1280, 960 },
+		{ 1360, 768 },
+		{ 1400, 1050 },
+		{ 1440, 900 },
+		{ 1600, 1200 },
+		{ 1680, 1050 },
+		{ 1792, 1344 },
+		{ 1856, 1392 },
+		{ 1920, 1080 },
+		{ 1920, 1200 },
+		{ 1920, 1440 },
+		{ 2048, 1152 },
+		{ 2560, 1080 },
+		{ 3840, 2160 },
+		{ 4096, 2160 },
+		{ 5120, 2160 },
+
+		// This are some random sizes that Enlightenment creates.
+		{ 1, 1 },
+		{ 190, 32 },
+		{ 245, 137 },
+		{ 408, 32 },
+		{ 409, 32 },
+		{ 1024, 256 },
+	};
+	const int hardcoded_sizes_count = sizeof(hardcoded_sizes) / sizeof(hardcoded_sizes[0]);
+
 	//as we know only size for new bo set height=1 and bpp=8 and in this case
 	//width will by equal to size in bytes;
 	create_dumb_arg.bpp = 32; // virtio-gpu refuses to accept bpp=8
@@ -691,6 +728,13 @@ tbm_dumb_bufmgr_alloc_bo(hal_tbm_bufmgr *bufmgr, unsigned int size,
 		create_dumb_arg.height = root;
 		create_dumb_arg.width = (words + root - 1) / root;
 	}
+	for (int i = 0; i < hardcoded_sizes_count; ++i) {
+		if (hardcoded_sizes[i].w * hardcoded_sizes[i].h * 4 == size) {
+			create_dumb_arg.height = hardcoded_sizes[i].h;
+			create_dumb_arg.width = hardcoded_sizes[i].w;
+			break;
+		}
+	}
 
 	create_dumb_arg.flags = dumb_flags;
 	if (drmIoctl(bufmgr_data->fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb_arg)) {
-- 
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