clear screen

5 files changed, 1010 insertions, 58 deletions

diff --git a/Cargo.lock b/Cargo.lock
index ab9c443..6b6c7fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,6 +32,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
+[[package]]
 name = "android-activity"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -57,6 +63,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc7eb209b1518d6bb87b283c20095f5228ecda460da70b44f0802523dea6da04"
 
 [[package]]
+name = "android_system_properties"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae221649c9976a6f6c56ae1facf410f3ddb33cc661c4b7b61020a912d4237fbc"
+dependencies = [
+ "libc",
+]
+
+[[package]]
 name = "arrayref"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -75,12 +90,42 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b"
 
 [[package]]
+name = "ash"
+version = "0.38.0+1.3.281"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb44936d800fea8f016d7f2311c6a4f97aebd5dc86f09906139ec848cf3a46f"
+dependencies = [
+ "libloading",
+]
+
+[[package]]
 name = "atomic-waker"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
 [[package]]
+name = "autocfg"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
+
+[[package]]
+name = "bit-set"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2f926cc3060f09db9ebc5b52823d85268d24bb917e472c0c4bea35780a7d"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b71798fca2c1fe1086445a7258a4bc81e6e49dcd24c8d0dd9a1e57395b603f51"
+
+[[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -98,7 +143,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c132eebf10f5cad5289222520a4a058514204aed6d791f1cf4fe8088b82d15f"
 dependencies = [
- "objc2",
+ "objc2 0.5.2",
+]
+
+[[package]]
+name = "block2"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdeb9d870516001442e364c5220d3574d2da8dc765554b4a617230d33fa58ef5"
+dependencies = [
+ "objc2 0.6.4",
 ]
 
 [[package]]
@@ -112,6 +166,20 @@ name = "bytemuck"
 version = "1.25.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95832e849adfb21180ccb6826a99da14e5d266ae5c2e668e1602cf234f153797"
+dependencies = [
+ "bytemuck_derive",
+]
+
+[[package]]
+name = "bytemuck_derive"
+version = "1.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a1f896587b6f2c069c73d2f0913e2d590c3990285cd2f0b6aa02b786b4c679c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 3.0.6",
+]
 
 [[package]]
 name = "bytes"
@@ -170,6 +238,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f079e83a288787bcd14a6aea84cee5c87a67c5a3e660c30f557a3d24761b3527"
 
 [[package]]
+name = "codespan-reporting"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af491d569909a7e4dee0ad7db7f5341fef5c614d5b8ec8cf765732aba3cff681"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
 name = "combine"
 version = "4.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -235,9 +312,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31eee39dddec8330830986fcd7625edb5a24ec90ea038215273bbc3adb08ac6"
 
 [[package]]
+name = "crunchy"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
+
+[[package]]
 name = "cursed"
 version = "0.1.0"
 dependencies = [
+ "pollster",
+ "wgpu",
  "winit",
 ]
 
@@ -254,6 +339,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd0c93bb4b0c6d9b77f4435b0ae98c24d17f1c45b2ff844c6151a07256ca923b"
 
 [[package]]
+name = "dispatch2"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e0e367e4e7da84520dedcac1901e4da967309406d1e51017ae1abfb97adbd38"
+dependencies = [
+ "bitflags 2.13.2",
+ "objc2 0.6.4",
+]
+
+[[package]]
 name = "dlib"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -263,6 +358,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "document-features"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4b8a88685455ed29a21542a33abd9cb6510b6b129abadabdcef0f4c55bc8f61"
+dependencies = [
+ "litrs",
+]
+
+[[package]]
 name = "downcast-rs"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -297,6 +401,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aedcfb3409746eddb02b9e19ebda1c3394f759a152e48ee875a0844d1b955484"
 
 [[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
+[[package]]
 name = "foreign-types"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -381,10 +491,50 @@ dependencies = [
 ]
 
 [[package]]
+name = "gpu-allocator"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51255ea7cfaadb6c5f1528d43e92a82acb2b96c43365989a28b2d44ee38f8795"
+dependencies = [
+ "ash",
+ "hashbrown 0.16.1",
+ "log",
+ "presser",
+ "thiserror 2.0.21",
+ "windows",
+]
+
+[[package]]
+name = "half"
+version = "2.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+ "num-traits",
+ "zerocopy",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
+[[package]]
 name = "hashbrown"
 version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+dependencies = [
+ "foldhash",
+]
 
 [[package]]
 name = "hermit-abi"
@@ -399,7 +549,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc4e190f5d26ca7051642629da2c52fc03bde85a03197c99408dcd291734c855"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.17.1",
 ]
 
 [[package]]
@@ -498,6 +648,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "libm"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
+
+[[package]]
 name = "libredox"
 version = "0.1.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -522,6 +678,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
 
 [[package]]
+name = "litrs"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11d3d7f243d5c5a8b9bb5d6dd2b1602c0cb0b9db1621bafc7ed66e35ff9fe092"
+
+[[package]]
+name = "lock_api"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+dependencies = [
+ "scopeguard",
+]
+
+[[package]]
 name = "log"
 version = "0.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -543,6 +714,44 @@ dependencies = [
 ]
 
 [[package]]
+name = "naga"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a616d2fb8c89516ac2723a581f69d6c18576046bed761bd6b305e5618e6ae130"
+dependencies = [
+ "arrayvec",
+ "bit-set",
+ "bitflags 2.13.2",
+ "cfg-if",
+ "cfg_aliases",
+ "codespan-reporting",
+ "half",
+ "hashbrown 0.17.1",
+ "indexmap",
+ "libm",
+ "log",
+ "naga-types",
+ "num-traits",
+ "once_cell",
+ "rustc-hash",
+ "spirv",
+ "thiserror 2.0.21",
+ "unicode-ident",
+]
+
+[[package]]
+name = "naga-types"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "590afbf58a6f4f62873cd5cff4468061844bafa1cdf399cc954537c22d768d49"
+dependencies = [
+ "hashbrown 0.17.1",
+ "indexmap",
+ "rustc-hash",
+ "thiserror 2.0.21",
+]
+
+[[package]]
 name = "ndk"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -573,6 +782,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+ "libm",
+]
+
+[[package]]
 name = "num_enum"
 version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -611,19 +830,28 @@ dependencies = [
 ]
 
 [[package]]
+name = "objc2"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a12a8ed07aefc768292f076dc3ac8c48f3781c8f2d5851dd3d98950e8c5a89f"
+dependencies = [
+ "objc2-encode",
+]
+
+[[package]]
 name = "objc2-app-kit"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4e89ad9e3d7d297152b17d39ed92cd50ca8063a89a9fa569046d41568891eff"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
+ "block2 0.5.1",
  "libc",
- "objc2",
+ "objc2 0.5.2",
  "objc2-core-data",
  "objc2-core-image",
- "objc2-foundation",
- "objc2-quartz-core",
+ "objc2-foundation 0.2.2",
+ "objc2-quartz-core 0.2.2",
 ]
 
 [[package]]
@@ -633,10 +861,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74dd3b56391c7a0596a295029734d3c1c5e7e510a4cb30245f8221ccea96b009"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
+ "block2 0.5.1",
+ "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -645,9 +873,9 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5ff520e9c33812fd374d8deecef01d4a840e7b41862d849513de77e44aa4889"
 dependencies = [
- "block2",
- "objc2",
- "objc2-foundation",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -657,9 +885,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "617fbf49e071c178c0b24c080767db52958f716d9eabdf0890523aeae54773ef"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
- "objc2-foundation",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
+]
+
+[[package]]
+name = "objc2-core-foundation"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a180dd8642fa45cdb7dd721cd4c11b1cadd4929ce112ebd8b9f5803cc79d536"
+dependencies = [
+ "bitflags 2.13.2",
+ "dispatch2",
+ "objc2 0.6.4",
+]
+
+[[package]]
+name = "objc2-core-graphics"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e022c9d066895efa1345f8e33e584b9f958da2fd4cd116792e15e07e4720a807"
+dependencies = [
+ "dispatch2",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+ "objc2-io-surface",
 ]
 
 [[package]]
@@ -668,10 +919,10 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55260963a527c99f1819c4f8e3b47fe04f9650694ef348ffd2227e8196d34c80"
 dependencies = [
- "block2",
- "objc2",
- "objc2-foundation",
- "objc2-metal",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
+ "objc2-metal 0.2.2",
 ]
 
 [[package]]
@@ -680,10 +931,10 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "000cfee34e683244f284252ee206a27953279d370e309649dc3ee317b37e5781"
 dependencies = [
- "block2",
- "objc2",
+ "block2 0.5.1",
+ "objc2 0.5.2",
  "objc2-contacts",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -699,10 +950,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ee638a5da3799329310ad4cfa62fbf045d5f56e3ef5ba4149e7452dcf89d5a8"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
+ "block2 0.5.1",
  "dispatch",
  "libc",
- "objc2",
+ "objc2 0.5.2",
+]
+
+[[package]]
+name = "objc2-foundation"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3e0adef53c21f888deb4fa59fc59f7eb17404926ee8a6f59f5df0fd7f9f3272"
+dependencies = [
+ "bitflags 2.13.2",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+]
+
+[[package]]
+name = "objc2-io-surface"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180788110936d59bab6bd83b6060ffdfffb3b922ba1396b312ae795e1de9d81d"
+dependencies = [
+ "bitflags 2.13.2",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
 ]
 
 [[package]]
@@ -711,10 +984,10 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1a1ae721c5e35be65f01a03b6d2ac13a54cb4fa70d8a5da293d7b0020261398"
 dependencies = [
- "block2",
- "objc2",
+ "block2 0.5.1",
+ "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -724,9 +997,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd0cba1276f6023976a406a14ffa85e1fdd19df6b0f737b063b95f6c8c7aadd6"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
- "objc2-foundation",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
+]
+
+[[package]]
+name = "objc2-metal"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0125f776a10d00af4152d74616409f0d4a2053a6f57fa5b7d6aa2854ac04794"
+dependencies = [
+ "bitflags 2.13.2",
+ "block2 0.6.2",
+ "objc2 0.6.4",
+ "objc2-foundation 0.3.2",
 ]
 
 [[package]]
@@ -736,10 +1021,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e42bee7bff906b14b167da2bac5efe6b6a07e6f7c0a21a7308d40c960242dc7a"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
- "objc2-foundation",
- "objc2-metal",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
+ "objc2-metal 0.2.2",
+]
+
+[[package]]
+name = "objc2-quartz-core"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96c1358452b371bf9f104e21ec536d37a650eb10f7ee379fff67d2e08d537f1f"
+dependencies = [
+ "bitflags 2.13.2",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+ "objc2-core-graphics",
+ "objc2-foundation 0.3.2",
+ "objc2-metal 0.3.2",
 ]
 
 [[package]]
@@ -748,8 +1047,8 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a684efe3dec1b305badae1a28f6555f6ddd3bb2c2267896782858d5a78404dc"
 dependencies = [
- "objc2",
- "objc2-foundation",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -759,15 +1058,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8bb46798b20cd6b91cbd113524c490f1686f4c4e8f49502431415f3512e2b6f"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
+ "block2 0.5.1",
+ "objc2 0.5.2",
  "objc2-cloud-kit",
  "objc2-core-data",
  "objc2-core-image",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-link-presentation",
- "objc2-quartz-core",
+ "objc2-quartz-core 0.2.2",
  "objc2-symbols",
  "objc2-uniform-type-identifiers",
  "objc2-user-notifications",
@@ -779,9 +1078,9 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "44fa5f9748dbfe1ca6c0b79ad20725a11eca7c2218bceb4b005cb1be26273bfe"
 dependencies = [
- "block2",
- "objc2",
- "objc2-foundation",
+ "block2 0.5.1",
+ "objc2 0.5.2",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -791,10 +1090,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76cfcbf642358e8689af64cee815d139339f3ed8ad05103ed5eaf73db8d84cb3"
 dependencies = [
  "bitflags 2.13.2",
- "block2",
- "objc2",
+ "block2 0.5.1",
+ "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -814,6 +1113,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "ordered-float"
+version = "5.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c7c9e0d9b23589f26070720bac724174bfec1083e82f7854cdd0267518343c0"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
 name = "owned_ttf_parser"
 version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -823,6 +1131,29 @@ dependencies = [
 ]
 
 [[package]]
+name = "parking_lot"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall 0.5.18",
+ "smallvec",
+ "windows-link",
+]
+
+[[package]]
 name = "percent-encoding"
 version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -881,6 +1212,33 @@ dependencies = [
 ]
 
 [[package]]
+name = "pollster"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc6355899e1c9462875b6757c79f3caa011a1fdae12bbb1a2e72dd1f234f8336"
+
+[[package]]
+name = "portable-atomic"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05c8b63e8d9609db387f0324918f81d68fe27748f084ef092fb35954d0539a85"
+
+[[package]]
+name = "portable-atomic-util"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10ab3eb7f3becc3a1cbc4f2c6f20267996cfc1a6467a873763411b136a122715"
+dependencies = [
+ "portable-atomic",
+]
+
+[[package]]
+name = "presser"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8cf8e6a8aa66ce33f63993ffc4ea4271eb5b0530a9002db8455ea6050c77bfa"
+
+[[package]]
 name = "proc-macro-crate"
 version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -899,6 +1257,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "profiling"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d595e54a326bc53c1c197b32d295e14b169e3cfeaa8dc82b529f947fba6bcf5"
+
+[[package]]
 name = "quick-xml"
 version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -929,12 +1293,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
 
 [[package]]
+name = "range-alloc"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca45419789ae5a7899559e9512e58ca889e41f04f1f2445e9f4b290ceccd1d08"
+
+[[package]]
 name = "raw-window-handle"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
 [[package]]
+name = "raw-window-metal"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40d213455a5f1dc59214213c7330e074ddf8114c9a42411eb890c767357ce135"
+dependencies = [
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+ "objc2-foundation 0.3.2",
+ "objc2-quartz-core 0.3.2",
+]
+
+[[package]]
 name = "redox_syscall"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -945,6 +1327,15 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
+version = "0.5.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
+dependencies = [
+ "bitflags 2.13.2",
+]
+
+[[package]]
+name = "redox_syscall"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "737970939a87c6fa31e7acad13307bccbb017a073b695b6089a2c484f929e20e"
@@ -953,6 +1344,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "renderdoc-sys"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832"
+
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
+[[package]]
 name = "rustc_version"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1009,6 +1412,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
 
 [[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
+[[package]]
 name = "sctk-adwaita"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1125,6 +1534,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "spirv"
+version = "0.4.0+sdk-1.4.341.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9571ea910ebd84c86af4b3ed27f9dbdc6ad06f17c5f96146b2b671e2976744f"
+dependencies = [
+ "bitflags 2.13.2",
+]
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
 name = "strict-num"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1291,6 +1715,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6f5d3c3b1bf09027a88a6bc961fc00497d651009560b5463668dc81b0fa87a8"
 
 [[package]]
+name = "unicode-width"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
+
+[[package]]
 name = "version_check"
 version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1501,6 +1931,152 @@ dependencies = [
 ]
 
 [[package]]
+name = "wgpu"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "527ccdf43dd5b2e8676eed9984ce00e2bbb0a1b85b70c1969dcb6cd2eb55ab9e"
+dependencies = [
+ "arrayvec",
+ "bitflags 2.13.2",
+ "bytemuck",
+ "cfg-if",
+ "cfg_aliases",
+ "document-features",
+ "hashbrown 0.17.1",
+ "log",
+ "portable-atomic",
+ "profiling",
+ "raw-window-handle",
+ "smallvec",
+ "static_assertions",
+ "wgpu-core",
+ "wgpu-hal",
+ "wgpu-types",
+]
+
+[[package]]
+name = "wgpu-core"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c018fce9b6270aa203c2fdd56f3cce996713534bd757e4ea58c8560b121f14"
+dependencies = [
+ "arrayvec",
+ "bit-set",
+ "bit-vec",
+ "bitflags 2.13.2",
+ "bytemuck",
+ "cfg_aliases",
+ "document-features",
+ "hashbrown 0.17.1",
+ "indexmap",
+ "log",
+ "naga",
+ "naga-types",
+ "once_cell",
+ "parking_lot",
+ "portable-atomic",
+ "profiling",
+ "raw-window-handle",
+ "rustc-hash",
+ "smallvec",
+ "thiserror 2.0.21",
+ "wgpu-core-deps-apple",
+ "wgpu-core-deps-windows-linux-android",
+ "wgpu-hal",
+ "wgpu-naga-bridge",
+ "wgpu-types",
+]
+
+[[package]]
+name = "wgpu-core-deps-apple"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "061f3d319a40d39d00b1ecc2c33b89fe21d4e6fe01859df3500a3a8ecccd6b68"
+dependencies = [
+ "wgpu-hal",
+]
+
+[[package]]
+name = "wgpu-core-deps-windows-linux-android"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7586165fd5f6d881cb9ce4bb71f40d6caab2c0f1837e3fc1d9788a197fb6004f"
+dependencies = [
+ "wgpu-hal",
+]
+
+[[package]]
+name = "wgpu-hal"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6b7fb58561a792bc237628ba0792e332de418fefe145f13b5ed8201e6d52f58"
+dependencies = [
+ "android_system_properties",
+ "arrayvec",
+ "ash",
+ "bit-set",
+ "bitflags 2.13.2",
+ "block2 0.6.2",
+ "bytemuck",
+ "cfg-if",
+ "cfg_aliases",
+ "gpu-allocator",
+ "hashbrown 0.17.1",
+ "libc",
+ "libloading",
+ "log",
+ "naga",
+ "naga-types",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+ "objc2-core-graphics",
+ "objc2-foundation 0.3.2",
+ "objc2-metal 0.3.2",
+ "objc2-quartz-core 0.3.2",
+ "once_cell",
+ "ordered-float",
+ "parking_lot",
+ "portable-atomic",
+ "portable-atomic-util",
+ "profiling",
+ "range-alloc",
+ "raw-window-handle",
+ "raw-window-metal",
+ "renderdoc-sys",
+ "smallvec",
+ "static_assertions",
+ "thiserror 2.0.21",
+ "wgpu-naga-bridge",
+ "wgpu-types",
+ "windows",
+ "windows-core",
+]
+
+[[package]]
+name = "wgpu-naga-bridge"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2f62e73117bb7a62bfd9c5a5841438a823f6566c6442a808ee269d2d055c081"
+dependencies = [
+ "naga",
+ "wgpu-types",
+]
+
+[[package]]
+name = "wgpu-types"
+version = "30.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99dad6f1fbdbbdb4c278a6508b059d44688f5cebddf78d005a46a31340269286"
+dependencies = [
+ "bitflags 2.13.2",
+ "bytemuck",
+ "log",
+ "naga-types",
+ "raw-window-handle",
+ "static_assertions",
+]
+
+[[package]]
 name = "winapi-util"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1510,12 +2086,107 @@ dependencies = [
 ]
 
 [[package]]
+name = "windows"
+version = "0.62.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "527fadee13e0c05939a6a05d5bd6eec6cd2e3dbd648b9f8e447c6518133d8580"
+dependencies = [
+ "windows-collections",
+ "windows-core",
+ "windows-future",
+ "windows-numerics",
+]
+
+[[package]]
+name = "windows-collections"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b2d95af1a8a14a3c7367e1ed4fc9c20e0a26e79551b1454d72583c97cc6610"
+dependencies = [
+ "windows-core",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.62.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8e83a14d34d0623b51dce9581199302a221863196a1dde71a7663a4c2be9deb"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-link",
+ "windows-result",
+ "windows-strings",
+]
+
+[[package]]
+name = "windows-future"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1d6f90251fe18a279739e78025bd6ddc52a7e22f921070ccdc67dde84c605cb"
+dependencies = [
+ "windows-core",
+ "windows-link",
+ "windows-threading",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.60.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "windows-interface"
+version = "0.59.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
 name = "windows-link"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
 [[package]]
+name = "windows-numerics"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e2e40844ac143cdb44aead537bbf727de9b044e107a0f1220392177d15b0f26"
+dependencies = [
+ "windows-core",
+ "windows-link",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7781fa89eaf60850ac3d2da7af8e5242a5ea78d1a11c49bf2910bb5a73853eb5"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7837d08f69c77cf6b07689544538e017c1bfcf57e34b4c0ff58e6c2cd3b37091"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1559,6 +2230,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "windows-threading"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3949bd5b99cafdf1c7ca86b43ca564028dfe27d66958f2470940f73d86d75b37"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1616,7 +2296,7 @@ dependencies = [
  "android-activity",
  "atomic-waker",
  "bitflags 2.13.2",
- "block2",
+ "block2 0.5.1",
  "bytemuck",
  "calloop",
  "cfg_aliases",
@@ -1629,9 +2309,9 @@ dependencies = [
  "libc",
  "memmap2",
  "ndk",
- "objc2",
+ "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-ui-kit",
  "orbclient",
  "percent-encoding",
diff --git a/Cargo.toml b/Cargo.toml
index a2025b0..dadfd1b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,5 @@ edition = "2024"
 
 [dependencies]
 winit = "0.30.13"
+pollster = "1.0.1"
+wgpu = { version = "30.0.0", default-features = false, features = [ "wgsl", "dx12", "metal", "vulkan" ] }
diff --git a/src/graphics.rs b/src/graphics.rs
new file mode 100644
index 0000000..d933c8b
--- /dev/null
+++ b/src/graphics.rs
@@ -0,0 +1,234 @@
+use std::{borrow::Cow, sync::Arc};
+use wgpu::*;
+use winit::{dpi::PhysicalSize, event_loop::OwnedDisplayHandle, window::Window};
+
+pub enum RenderResult {
+    Ok(SurfaceTexture),
+    ShouldSkip,
+    Lost,
+}
+
+pub struct Renderer {
+    device: Device,
+    queue: Queue,
+    surface: Surface<'static>,
+    surface_format: TextureFormat,
+    view_format: TextureFormat,
+    present_mode: PresentMode,
+    pipeline: RenderPipeline,
+}
+
+impl Renderer {
+    pub async fn new(
+        display: Box<OwnedDisplayHandle>,
+        window: Arc<Window>,
+    ) -> Result<Self, String> {
+        let size = window.inner_size();
+
+        let instance = Instance::new(InstanceDescriptor::new_with_display_handle(display));
+
+        let surface = instance.create_surface(window).map_err(|e| e.to_string())?;
+
+        let adapter = instance
+            .request_adapter(&RequestAdapterOptions {
+                compatible_surface: Some(&surface),
+                ..Default::default()
+            })
+            .await
+            .map_err(|e| e.to_string())?;
+        let (device, queue) = adapter
+            .request_device(&DeviceDescriptor::default())
+            .await
+            .map_err(|e| e.to_string())?;
+
+        let surface_cap = surface.get_capabilities(&adapter);
+
+        let (surface_format, view_format) = decide_surface_and_view_format(&adapter, &surface_cap);
+
+        // REVIEW: 高負荷なので素直にFIFOにして垂直同期で回す方が良いかもしれない。
+        let present_mode = if surface_cap.present_modes.contains(&PresentMode::Mailbox) {
+            // 垂直同期を待つフレーム上書きモード
+            PresentMode::Mailbox
+        } else if surface_cap.present_modes.contains(&PresentMode::Immediate) {
+            // 垂直同期を待たないフレーム上書きモード
+            PresentMode::Immediate
+        } else {
+            // 垂直同期を待つフレーム保守モード
+            // NOTE: 殆どすべての環境でサポートされていることを期待して良い。
+            //       https://wgpu.rs/doc/wgpu/enum.PresentMode.html
+            PresentMode::Fifo
+        };
+
+        let shader = device.create_shader_module(ShaderModuleDescriptor {
+            label: None,
+            source: ShaderSource::Wgsl(Cow::Borrowed(include_str!("shader.wgsl"))),
+        });
+
+        let pipeline_layout = device.create_pipeline_layout(&PipelineLayoutDescriptor {
+            label: None,
+            bind_group_layouts: &[],
+            immediate_size: 0,
+        });
+        let pipeline = device.create_render_pipeline(&RenderPipelineDescriptor {
+            label: None,
+            layout: Some(&pipeline_layout),
+            vertex: VertexState {
+                module: &shader,
+                entry_point: Some("vs_main"),
+                buffers: &[],
+                compilation_options: Default::default(),
+            },
+            fragment: Some(FragmentState {
+                module: &shader,
+                entry_point: Some("fs_main"),
+                compilation_options: Default::default(),
+                targets: &[Some(view_format.into())],
+            }),
+            primitive: PrimitiveState {
+                topology: PrimitiveTopology::TriangleStrip,
+                cull_mode: None,
+                ..Default::default()
+            },
+            depth_stencil: None,
+            multisample: MultisampleState::default(),
+            multiview_mask: None,
+            cache: None,
+        });
+
+        let v = Self {
+            device,
+            queue,
+            surface,
+            surface_format,
+            view_format,
+            present_mode,
+            pipeline,
+        };
+
+        v.configure_surface(size);
+
+        Ok(v)
+    }
+
+    pub fn get_current_texture(&self, window: &Window) -> RenderResult {
+        match self.surface.get_current_texture() {
+            CurrentSurfaceTexture::Success(v) => RenderResult::Ok(v),
+            CurrentSurfaceTexture::Suboptimal(v) => {
+                // NOTE: 取得したテクスチャが生存した状態でサーフェスを再設定すると
+                //       `PreviousOutputExists`エラーになるので、
+                //       破棄した上で再設定し、描画をスキップする。
+                drop(v);
+                self.configure_surface(window.inner_size());
+                RenderResult::ShouldSkip
+            }
+            CurrentSurfaceTexture::Occluded => RenderResult::ShouldSkip,
+            CurrentSurfaceTexture::Timeout => RenderResult::ShouldSkip,
+            CurrentSurfaceTexture::Outdated => {
+                self.configure_surface(window.inner_size());
+                RenderResult::ShouldSkip
+            }
+            CurrentSurfaceTexture::Lost => RenderResult::Lost,
+            CurrentSurfaceTexture::Validation => unreachable!(),
+        }
+    }
+
+    pub fn render(&self, window: &Window, current_texture: SurfaceTexture) {
+        let surface_texture_view = current_texture.texture.create_view(&TextureViewDescriptor {
+            format: Some(self.view_format),
+            ..Default::default()
+        });
+
+        let mut encoder = self.device.create_command_encoder(&Default::default());
+        let mut render_pass = encoder.begin_render_pass(&RenderPassDescriptor {
+            label: None,
+            color_attachments: &[Some(RenderPassColorAttachment {
+                view: &surface_texture_view,
+                depth_slice: None,
+                resolve_target: None,
+                ops: Operations {
+                    load: LoadOp::Clear(Color::BLACK),
+                    store: StoreOp::Store,
+                },
+            })],
+            depth_stencil_attachment: None,
+            timestamp_writes: None,
+            occlusion_query_set: None,
+            multiview_mask: None,
+        });
+
+        render_pass.set_pipeline(&self.pipeline);
+
+        drop(render_pass);
+
+        self.queue.submit([encoder.finish()]);
+        window.pre_present_notify();
+        self.queue.present(current_texture);
+    }
+
+    /// サーフェスを設定するメソッド
+    ///
+    /// * size - 現在のクライアントサイズ
+    ///
+    /// クライアントサイズのリサイズがあったらこのメソッドを呼び出す。
+    /// 幅・高さいずれかが`0`である場合は何もしない。
+    pub fn configure_surface(&self, size: PhysicalSize<u32>) {
+        if size.width == 0 || size.height == 0 {
+            return;
+        }
+
+        let surface_config = SurfaceConfiguration {
+            usage: TextureUsages::RENDER_ATTACHMENT,
+            format: self.surface_format,
+            color_space: SurfaceColorSpace::Auto,
+            view_formats: if self.surface_format != self.view_format {
+                vec![self.view_format]
+            } else {
+                vec![]
+            },
+            alpha_mode: CompositeAlphaMode::Auto,
+            width: size.width,
+            height: size.height,
+            desired_maximum_frame_latency: 2,
+            present_mode: self.present_mode,
+        };
+        self.surface.configure(&self.device, &surface_config);
+    }
+
+    /// Presentation modeがFIFOか確認するメソッド
+    ///
+    /// FIFOである場合はsleep+spinではなく垂直同期でスレッドを待機した方が良い。
+    pub fn is_presentation_mode_fifo(&self) -> bool {
+        self.present_mode == PresentMode::Fifo
+    }
+}
+
+fn decide_surface_and_view_format(
+    adapter: &Adapter,
+    cap: &SurfaceCapabilities,
+) -> (TextureFormat, TextureFormat) {
+    // sRGBがサポートされているならsRGB
+    if let Some(&v) = cap.formats.iter().find(|v| v.is_srgb()) {
+        return (v, v);
+    }
+
+    let can_srgb_view = adapter
+        .get_downlevel_capabilities()
+        .flags
+        .contains(DownlevelFlags::SURFACE_VIEW_FORMATS);
+    let format = cap.formats[0];
+
+    // sRGBがサポートされていない・かつテクスチャとビューのフォーマットが一致しなくて良いなら
+    // テクスチャを`formats[0]`・ビューをsRGB
+    // NOTE: ビューのフォーマットに従って色変換が行われるので、
+    //       テクスチャの実際のフォーマットが違うだけでsRGBと同様の結果になる。
+    if can_srgb_view {
+        (format, format.add_srgb_suffix())
+    }
+    // sRGBがサポートされていない・かつテクスチャとビューのフォーマットが一致する必要があるなら
+    // テクスチャもビューも`formats[0]`
+    // NOTE: 色変換が行われないので中間色が暗くなる。
+    //       シェーダで自力補正してやれば解決するが、まあ余力があったらね。
+    else {
+        (format, format)
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 6303919..3c7f20d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,14 +12,14 @@ use winit::{
     window::{Window, WindowId},
 };
 
+mod graphics;
+
+use graphics::{RenderResult, Renderer};
+
+#[derive(Default)]
 struct App {
     window: Option<Arc<Window>>,
-}
-
-impl App {
-    fn new() -> Self {
-        Self { window: None }
-    }
+    renderer: Option<Renderer>,
 }
 
 impl ApplicationHandler for App {
@@ -29,6 +29,7 @@ impl ApplicationHandler for App {
         event_loop.set_control_flow(ControlFlow::Poll);
 
         let attributes = Window::default_attributes()
+            .with_title("君は呪われている！")
             .with_inner_size(LogicalSize::new(1280, 720))
             .with_fullscreen(None);
 
@@ -37,7 +38,17 @@ impl ApplicationHandler for App {
             Err(e) => panic!("error: {e}"),
         };
 
+        let renderer = pollster::block_on(Renderer::new(
+            Box::new(event_loop.owned_display_handle()),
+            window.clone(),
+        ));
+        let renderer = match renderer {
+            Ok(v) => v,
+            Err(e) => panic!("error: {e}"),
+        };
+
         self.window = Some(window);
+        self.renderer = Some(renderer);
     }
 
     fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
@@ -73,14 +84,29 @@ impl ApplicationHandler for App {
     fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
         let start = Instant::now();
 
-        let Some(_) = &self.window else {
+        let (Some(window), Some(renderer)) = (&self.window, &self.renderer) else {
             // NOTE: `window`が`Some`になる`resumed`メソッドで`ControlFlow::Poll`を指定しているため、
             //       ここで`ControlFlow::WaitUntil`を指定しても問題ない。
             event_loop.set_control_flow(ControlFlow::WaitUntil(start + Duration::from_millis(16)));
             return;
         };
 
-        sync_60fps(start);
+        // NOTE: Presentation modeがFIFOの場合はここでスレッドが停止する。
+        let current_texture = match renderer.get_current_texture(window) {
+            RenderResult::Ok(v) => v,
+            RenderResult::ShouldSkip => {
+                event_loop
+                    .set_control_flow(ControlFlow::WaitUntil(start + Duration::from_millis(16)));
+                return;
+            }
+            RenderResult::Lost => panic!("fatal: device or surface lost."),
+        };
+
+        renderer.render(window, current_texture);
+
+        if !renderer.is_presentation_mode_fifo() {
+            sync_60fps(start);
+        }
     }
 }
 
@@ -114,7 +140,7 @@ fn main() {
         Err(e) => panic!("error: {e}"),
     };
 
-    match event_loop.run_app(&mut App::new()) {
+    match event_loop.run_app(&mut App::default()) {
         Ok(()) => {}
         Err(e) => panic!("error: {e}"),
     }
diff --git a/src/shader.wgsl b/src/shader.wgsl
new file mode 100644
index 0000000..9f158f1
--- /dev/null
+++ b/src/shader.wgsl
@@ -0,0 +1,10 @@
+@vertex
+fn vs_main(@builtin(vertex_index) in_vertex_index: u32) -> @builtin(position) vec4<f32> {
+	let uv = vec2<f32>(f32((in_vertex_index << 1) & 2), f32(in_vertex_index & 2)) / 2.0;
+	return vec4<f32>(uv.x - 0.5, uv.y - 0.5, 0.0, 1.0);
+}
+
+@fragment
+fn fs_main() -> @location(0) vec4<f32> {
+	return vec4<f32>(1.0, 1.0, 1.0, 1.0);
+}