From c17ac7e6b5845c66412590fa827f5761fda1c468 Mon Sep 17 00:00:00 2001
From: Xiang Silian <youmiss@163.com>
Date: Fri, 26 Sep 2025 15:10:10 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8E=A8=E9=80=81=E5=B8=B8=E9=87=8F=E5=AE=8C?=
 =?UTF-8?q?=E6=88=90=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 shaders/texture_loading/glsl/point_line.vert  |  11 ++++++++++-
 .../texture_loading/glsl/point_line.vert.spv  | Bin 2328 -> 2732 bytes
 shaders/texture_loading/glsl/pointcloud.vert  |  11 +++++++++--
 .../texture_loading/glsl/pointcloud.vert.spv  | Bin 1848 -> 1936 bytes
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/shaders/texture_loading/glsl/point_line.vert b/shaders/texture_loading/glsl/point_line.vert
index cc00794..9837258 100644
--- a/shaders/texture_loading/glsl/point_line.vert
+++ b/shaders/texture_loading/glsl/point_line.vert
@@ -16,9 +16,18 @@ layout(binding = 0) uniform UniformBufferObject {
     mat4 view;
 } ubo;
 
+layout(push_constant) uniform PushConstants {
+    float myValue;
+} pushConstants;
+
 void main() {
     mat4 worldviewproj = ubo.proj * ubo.view * ubo.model;
-    gl_Position = worldviewproj * vec4(inPosition, 1.0);
+    //gl_Position = worldviewproj * vec4(inPosition, 1.0);
+
+    vec2 position = vec2(inPosition.xy*2 -1);
+    //gl_Position = vec4(inPosition.xy*2 -1, 0.5, 1.0);
+    position = position * pushConstants.myValue;
+    gl_Position = vec4(position, 0.5, 1.0);
     
     fragColor = inColor;
     
diff --git a/shaders/texture_loading/glsl/point_line.vert.spv b/shaders/texture_loading/glsl/point_line.vert.spv
index eb72c72656fac0a17e64d8077c016b84f15ce403..a54c81cc2c7686fd1393585f381a0a6c7916cb3d 100644
GIT binary patch
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diff --git a/shaders/texture_loading/glsl/pointcloud.vert b/shaders/texture_loading/glsl/pointcloud.vert
index 3f8dd44..fa11d28 100644
--- a/shaders/texture_loading/glsl/pointcloud.vert
+++ b/shaders/texture_loading/glsl/pointcloud.vert
@@ -11,13 +11,20 @@ layout(binding = 0) uniform UniformBufferObject {
     mat4 view;
 } ubo;
 
+layout(push_constant) uniform PushConstants {
+    float myValue;
+} pushConstants;
+
 void main() {
     // 预计算MVP矩阵以减少乘法次数
-    mat4 mvp = ubo.proj * ubo.view * ubo.model;
+    //mat4 mvp = ubo.proj * ubo.view * ubo.model;
     //vec3 pos = vec3(2.0, inPosition.y, inPosition.z);
     //gl_Position = mvp * vec4(inPosition, 1.0);
 
-    gl_Position = vec4(inPosition.xy*2 -1, 0.5, 1.0);
+    vec2 position = vec2(inPosition.xy*2 -1);
+    //gl_Position = vec4(inPosition.xy*2 -1, 0.5, 1.0);
+    position = position * pushConstants.myValue;
+    gl_Position = vec4(position, 0.5, 1.0);
 
     fragColor = inColor;
     gl_PointSize = 2.0;
diff --git a/shaders/texture_loading/glsl/pointcloud.vert.spv b/shaders/texture_loading/glsl/pointcloud.vert.spv
index 2793ef2803af0984cc09a5354ac661c649162b3d..3c9232af8303a281a13a557deb245dd0d5204ed2 100644
GIT binary patch
literal 1936
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