From bf8a14f5498e6a5112d11689710b8df03d05905a Mon Sep 17 00:00:00 2001
From: xiangsilian <youmiss@163.com>
Date: Mon, 15 Sep 2025 22:03:51 +0800
Subject: [PATCH] save code

---
 shaders/texture_loading/glsl/bg.frag     |  11 +++++++++
 shaders/texture_loading/glsl/bg.frag.spv | Bin 0 -> 640 bytes
 shaders/texture_loading/glsl/bg.vert     |  29 +++++++++++++++++++++++
 shaders/texture_loading/glsl/bg.vert.spv | Bin 0 -> 1468 bytes
 4 files changed, 40 insertions(+)
 create mode 100644 shaders/texture_loading/glsl/bg.frag
 create mode 100644 shaders/texture_loading/glsl/bg.frag.spv
 create mode 100644 shaders/texture_loading/glsl/bg.vert
 create mode 100644 shaders/texture_loading/glsl/bg.vert.spv

diff --git a/shaders/texture_loading/glsl/bg.frag b/shaders/texture_loading/glsl/bg.frag
new file mode 100644
index 0000000..6ead49d
--- /dev/null
+++ b/shaders/texture_loading/glsl/bg.frag
@@ -0,0 +1,11 @@
+#version 450
+
+layout(binding = 0) uniform sampler2D backgroundTexture; // Binding 0
+
+layout(location = 0) in vec2 inUV;
+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
+}
\ No newline at end of file
diff --git a/shaders/texture_loading/glsl/bg.frag.spv b/shaders/texture_loading/glsl/bg.frag.spv
new file mode 100644
index 0000000000000000000000000000000000000000..2c12da6b6e6d7e2f453d31477a84d1b9f9ec4666
GIT binary patch
literal 640
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zg_Cn<?qtrRTso?mty$AHZQFiN*GghcTs6<Gck2!3SvWj7Jx0;8axO&EwwhIxiPv$Q
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zAX$V(fg?q+u47JKd$P!`C&^@{a$;(l%<O3#ygbh)i!{88-m}F__Ij)2ea7ki16o&@
z-VXpeVE!HC=no$jFmtZ-Jx$1rgM3=c?>o9z#q|}t@?#fZ`tIvnS7w{=7fVbJaC_>e
zp^RQ@`*&7&U&^Ll(BZeSRKei~W(E%R+sgRSC;E;uUhwF_%mjC)4WXk~4n2K|ag;B`
gQlq87AB@MAg8v`$&71XfM+1K)2WEr&R)urL4`qBc3IG5A

literal 0
HcmV?d00001

diff --git a/shaders/texture_loading/glsl/bg.vert b/shaders/texture_loading/glsl/bg.vert
new file mode 100644
index 0000000..335ebdc
--- /dev/null
+++ b/shaders/texture_loading/glsl/bg.vert
@@ -0,0 +1,29 @@
+#version 450
+
+// 在没有顶点缓冲区的情况下，通过顶点ID生成全屏 quad
+// 顶点ID: 0=(-1,-1), 1=(1,-1), 2=(-1,1), 3=(1,1)
+out gl_PerVertex {
+    vec4 gl_Position;
+};
+
+layout(location = 0) out vec2 outUV;
+
+void main() {
+    vec2 pos;
+    vec2 uv;
+    if (gl_VertexIndex == 0) {
+        pos = vec2(-1.0, -1.0);
+        uv = vec2(0.0, 0.0);
+    } else if (gl_VertexIndex == 1) {
+        pos = vec2(1.0, -1.0);
+        uv = vec2(1.0, 0.0);
+    } else if (gl_VertexIndex == 2) {
+        pos = vec2(-1.0, 1.0);
+        uv = vec2(0.0, 1.0);
+    } else { // gl_VertexIndex == 3
+        pos = vec2(1.0, 1.0);
+        uv = vec2(1.0, 1.0);
+    }
+    gl_Position = vec4(pos, 0.0, 1.0);
+    outUV = uv;
+}
\ No newline at end of file
diff --git a/shaders/texture_loading/glsl/bg.vert.spv b/shaders/texture_loading/glsl/bg.vert.spv
new file mode 100644
index 0000000000000000000000000000000000000000..fb7e2bcc5d924cc207a7e41eddc9a76d86774015
GIT binary patch
literal 1468
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literal 0
HcmV?d00001