From e6bef08ecfe39f9a4b3f41f7887617ad9de02214 Mon Sep 17 00:00:00 2001
From: Xiang Silian <youmiss@163.com>
Date: Tue, 16 Sep 2025 18:56:06 +0800
Subject: [PATCH] asdf

---
 shaders/texture_loading/glsl/bg.frag     |  14 ++++++++----
 shaders/texture_loading/glsl/bg.frag.spv | Bin 648 -> 744 bytes
 shaders/texture_loading/glsl/bg.vert     |  28 ++++++++++++++++-------
 shaders/texture_loading/glsl/bg.vert.spv | Bin 1376 -> 1344 bytes
 4 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/shaders/texture_loading/glsl/bg.frag b/shaders/texture_loading/glsl/bg.frag
index 6ead49d..b0c9aab 100644
--- a/shaders/texture_loading/glsl/bg.frag
+++ b/shaders/texture_loading/glsl/bg.frag
@@ -1,11 +1,17 @@
 #version 450
 
-layout(binding = 0) uniform sampler2D backgroundTexture; // Binding 0
+// 输入变量（与顶点着色器输出对应）
+layout(location = 0) in vec2 inPosition;
 
-layout(location = 0) in vec2 inUV;
+// 输出颜色
 layout(location = 0) out vec4 outColor;
 
 void main() {
-    //outColor = texture(backgroundTexture, inUV);
-    outColor = vec4(1.0, 0.0, 0.0, 1.0); // 输出红色
+    // 示例：基于位置生成颜色
+    outColor = vec4(
+        (inPosition.x + 1.0) * 0.5,  // 将X从[-1,1]映射到[0,1]
+        (inPosition.y + 1.0) * 0.5,  // 将Y从[-1,1]映射到[0,1]
+        0,                         // 蓝色分量固定
+        1.0                          // Alpha固定
+    );
 }
\ No newline at end of file
diff --git a/shaders/texture_loading/glsl/bg.frag.spv b/shaders/texture_loading/glsl/bg.frag.spv
index 1a968cf7df1ae6b5bbf68dde7e8570c90cb442da..279cea52c870e4b1df7059a12bd83474b3359079 100644
GIT binary patch
literal 744
zcmYk2UrPc}5XC2T)ihHxwf`7B2GT=C5ET)zFM>iJU<vhM!CcWb=&c_5VtuM!g3j-{
z3tpHzGiT17Id`&|vx3=%m91jOwmNmo2r*%K=l$MGue*px-OH;B7~7V0L^xF|SWX^$
zdkv=)Hf39~nt0$EpeU=ZW<PqAvy%C}!0-3{-g7XV&4NYzF&PJwa5@e~;e0%d!}l?~
z;u<fU4kydeI>8fTeXeJon;k9Vr)Uz*HBN}<w1m?^v<Txcl0sjv(0BqthaA0W-jGtX
zo;ua$;+EpPu#T)PK7S%-en)pvo~?l2COI>};Fsj#(-(eOUaN38d~!5^HI-N7J2K9B
zl5ek4_r9taE<LH^cVuRt4{5&Za&tNTS~A|G^}|)&uC*g{@fQx7e}#DRkGh#vlc5g{
zcgehZf`5s_{Duq+9p4GoOmMWMz1oWDg`Tw6o?`H{*S=z~^<D?c!Ra;7rrGt8j2YDU
Q5Bz)mfZbF3(~oat|GEw~2mk;8

delta 338
zcmYjMO{)Q67(MTdF%5>xOx<+L=aL^Fx7_7j*rIe7!j+^bQFbg@%AfQnlyjyL&)d`K
zocBCmH|ON|wpDilgEV}E7r$$Q%kVsM@d02mo-XH`^=|dwo9(x|&5W9Z1Onn>)gKV>
zOYRX%A`EfWRwMS}wKpDIJ@a>H(3zx~ihhniPo9pQO}KnOCiX~I%3tJ6pQw7ne2*vp
zf{iRc<g0L2E;dQ~Mxq@FT2=8$L!PLH7E=WUqMAu(LBw^sxf-h+cGzBrYrQ*tE#?FI
Cgcj!j

diff --git a/shaders/texture_loading/glsl/bg.vert b/shaders/texture_loading/glsl/bg.vert
index 9e096f3..3dad2ab 100644
--- a/shaders/texture_loading/glsl/bg.vert
+++ b/shaders/texture_loading/glsl/bg.vert
@@ -1,14 +1,26 @@
 #version 450
 
-layout(location = 0) out vec2 uv;
+// 硬编码的顶点数据 - 4个顶点组成三角形带覆盖整个屏幕
+const vec2 positions[6] = vec2[6](
+	vec2( 1.0,  1.0),  // 右上 - 三角形1
+    vec2(-1.0,  1.0),  // 左上 - 三角形1
+    vec2(-1.0, -1.0),  // 左下 - 三角形1
+
+    vec2(-1.0, -1.0),  // 左下 - 三角形2  
+    vec2( 1.0, -1.0),  // 右下 - 三角形2
+    vec2( 1.0,  1.0)   // 右上 - 三角形2
+);
+
+// 输出变量
+layout(location = 0) out vec2 outPosition;
 
 void main() {
-    // 使用NDC坐标(-1到1)，并为四个顶点分配位置
-    vec2 positions[4] = vec2[](
-        vec2(-1.0, -1.0), vec2(1.0, -1.0),
-        vec2(-1.0, 1.0), vec2(1.0, 1.0)
-    );
+    // 获取顶点位置
+    vec2 position = positions[gl_VertexIndex];
     
-    uv = positions[gl_VertexIndex].xy * 0.5 + 0.5;
-    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    // 设置输出位置（Vulkan使用不同的坐标系）
+    gl_Position = vec4(position, 0.0, 1.0);
+    
+    // 输出位置坐标（如果需要传递给片段着色器）
+    outPosition = position;
 }
\ No newline at end of file
diff --git a/shaders/texture_loading/glsl/bg.vert.spv b/shaders/texture_loading/glsl/bg.vert.spv
index 7271ea01a485552f87dfad4e043c87ab72311b38..5d1f271b5e9174e0253c70ebd2c93cb793c3dd25 100644
GIT binary patch
literal 1344
zcmYk5+iMe15XPrTH@(@LwXK(06YD*-_@E+)im0qYppk;FOPVZlVBLgdBh@GWGr_;g
z7s2m$c2CGDU(d`p-<g>+XH%~oEtxIYnyuSoE7!Kw#F)5--{a0%=VVe0PM$t{f?~t!
zUWjJXmc6~G|KEBp$JrBFLR+ZoucrNv#EZ6SaVLpSPvg#qq(2%Zlj28~CYj6AWZ=eW
zzi{7Ebjx!(m-n;jU|tYOF<&pT$W~NiG@Q7?4Sf%hdZ&-CS@I<v7wN^Pe2`w4l#yK%
z?{ItPnaYW2*sW6AO~<8NuGo^tR-SH1->@aG=l-5|d2!}`l1eAa7<X3eUFJsb-K6N{
z{d5*%dc>w#Hj71?6EkDcBeNS$i&@QBH|9QT!XqJ;o}Q`mQF?3^aaQ2y5sp1@oPnc{
zz+uBNS8BDj9}27;RpCraC(vQ<$!chC3j5OQBl146rhL8%IIt^!)${tN)vkQ%k>f!A
zCGBY8h{LZ7X20GX>wd&G1UL{ho3f?(9W-0=;LrqayW-#jce&D(+={QiBaRy6;0!<q
z#~rR{ZwkzkJMLCC{L9McjY9mYZ2IPI%;-Qn_hQCj1~+A+X9mohINYHu-ZY#c2B_QA
z&N~pNE`CdZBQO2j7Fc0UcS_fve;^wzxyi@(gio*J!{`0so@@5JDLu2`{)&mTqvf6X
z?S-@4nco-wE5+$$Utlh;b($D+eya?ey)M9^LC?7x0z7(h<A>OhY`D)l&#dkWaIC=H
ulMS~Zbd`~N-WSjkV-|cL^uR103e1n0Q4=41sCg`#n#7n3{y$}ZA^ZmnS!e73

literal 1376
zcmYk6Yikoh6ox1F+S;47^;YY))p}`-3MztV5tXeFXr$oRr6h|CtlN;?l<Ft_1O6q!
zU*#9U_nDoknQ}7cyyu;BP1>k$cZ{i-IWupbnCdK>x)39*?e4gD)aw@Iu>17cV;Bpj
z;fQb+&5YBV`uuWibBtBVRmqN|p})HB-y%27tciO`e0Ui5-Y0|6C@IRXS(;=vPm`e?
zr-Ra-rtoH_cs3toli@U>CB}5VmT8%b$}u`AY-vyOLV8Pisbg}A-gfnT&XP~*xJ=JJ
z<iqr=!f%Tsyq}IMmrSwS2AqS>hZWj!IDI?Z=H-$7riyt}`RG-?x0xNivqgEF57KiV
zQ^PmOvU4AGGAB-~uBds#S(VKk=Ohm#vAEPljstZSYQ)b8ShYL0`XA#BJZcC$bg-sm
zMN#2wiUE$kCatYIl3Wo>UleEKTb0e`BME2M+ZUu0Z(X0Wx_JW@$tD*zIDBHyON{yc
zYft^)TabVufwL%Goc+LAk_84QV9VYH57;H?*cH}sc~@kUgBZMlLv5FJ(>FD|^ftQy
zqt`Xvk)-DCrsh%U;PA28Rq$VzPAnw!aZ|d^KC|4ELjTMv%x+6M@0s1UZv0>y(%5x)
zgAbwZJG!Y6KXqX5c#OEzcUQs*b?jEAd;dr}?}`0fJ7Ble!~y>!q@|nK?2q3WJ-wC}
zoq4|Ud9F!k25<C&{%=U&fWzV4x&-{E-#6cNFlN*D*e!2^{qR^M9WFj{vztf~a^I6a
zo%_CQa)XE5{D#0kDkihtlYnso_E0)lP10Az%%v-Vi;vmyeWFKZ$3H~o&5WrF8~$HK
Hcp>=*?UZCv