放到android 包里面

and_proj/app/src/main/assets/shaders/texture_loading/glsl/bg.vert

@@ -25,20 +25,6 @@ const vec2 positions[6] = vec2[6](
 );
 
 
-//const float offset = (640-480)/(640.0*2); // 假设宽高比为4:3
-// const float offset = 0;
-
-// const vec2 positions[6] = vec2[6](
-//     vec2( -1.0 - offset,  1.0),  // 右上 -> 左上
-//     vec2(-1.0 - offset,  -1.0),  // 左上 - 左下
-//     vec2(1.0 + offset, -1.0),  // 左下 - 右下
-
-//     vec2(1.0 + offset, -1.0),  // 左下 - 右下  
-//     vec2( 1.0 + offset, 1.0),  // 右下 - 右上
-//     vec2( -1.0 - offset,  1.0)   // 右上 - 左上
-// );
-
-
 
 const vec2 texCoords[6] = vec2[6](
     vec2(1.0, 1.0),  // 右上
@@ -50,12 +36,19 @@ const vec2 texCoords[6] = vec2[6](
     vec2(1.0, 1.0)   // 右上
 );
 
+// 定义 Push Constant，只有一个 float
+layout(push_constant) uniform PushConstants {
+    float myValue;
+} pushConstants;
+
+
 // 输出变量
 layout(location = 0) out vec2 outTexCoord;
 
 void main() {
     // 获取顶点位置
     vec2 position = positions[gl_VertexIndex];
+    position = position * pushConstants.myValue;
     
     // 设置输出位置（Vulkan使用不同的坐标系）
     gl_Position = vec4(position, 0.0, 1.0);

and_proj/app/src/main/assets/shaders/texture_loading/glsl/point_line.frag

@@ -6,6 +6,20 @@ layout(location = 2) in vec3 fragLineEnd;
 
 layout(location = 0) out vec4 outColor;
 
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 proj;
+    mat4 model;
+    mat4 view;
+} ubo;
+
+layout(binding = 1) uniform DashParameters {
+    float dashSize;
+    float gapSize;
+    float dashOffset;
+    float uAASize;
+    int useWorldSpace;
+} dashParams;
+
 void main() {
     vec2 fragPos = gl_FragCoord.xy;
     

and_proj/app/src/main/assets/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;
     

and_proj/app/src/main/assets/shaders/texture_loading/glsl/pointcloud.vert

@@ -11,11 +11,21 @@ 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 = mvp * 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;
     gl_PointSize = 2.0;
 }

and_proj/app/src/main/assets/shaders/texture_loading/glsl/texture.frag

@@ -1,41 +1,26 @@
 #version 450
-/* Copyright (c) 2019-2024, Sascha Willems
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 the "License";
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 
 layout (binding = 1) uniform sampler2D samplerColor;
 
 layout (location = 0) in vec2 inUV;
-layout (location = 1) in float inLodBias;
-layout (location = 2) in vec3 inNormal;
-layout (location = 3) in vec3 inViewVec;
-layout (location = 4) in vec3 inLightVec;
+layout (location = 1) in vec3 inNormal;
+
 
 layout (location = 0) out vec4 outFragColor;
 
 void main() 
 {
-	vec4 color = texture(samplerColor, inUV, inLodBias);
+	vec4 color = texture(samplerColor, inUV);
 
 	vec3 N = normalize(inNormal);
-	vec3 L = normalize(inLightVec);
-	vec3 V = normalize(inViewVec);
-	vec3 R = reflect(-L, N);
-	vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
-	float specular = pow(max(dot(R, V), 0.0), 16.0) * color.a;
 
-	outFragColor = vec4(diffuse * color.rgb + specular, 1.0);	
+	vec4 textureColor = color;
+	if (textureColor.a < 0.1) {
+        //textureColor = vec4(0.2, 0.2, 0.2, 0.5); 
+		discard;
+    }
+	
+	outFragColor = textureColor;
+
+//	outFragColor = vec4(1, 0, 0, 1);
 }

and_proj/app/src/main/assets/shaders/texture_loading/glsl/texture.vert

@@ -1,20 +1,5 @@
 #version 450
-/* Copyright (c) 2019-2024, Sascha Willems
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 the "License";
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+
 
 layout (location = 0) in vec3 inPos;
 layout (location = 1) in vec2 inUV;
@@ -29,10 +14,11 @@ layout (binding = 0) uniform UBO
 } ubo;
 
 layout (location = 0) out vec2 outUV;
-layout (location = 1) out float outLodBias;
-layout (location = 2) out vec3 outNormal;
-layout (location = 3) out vec3 outViewVec;
-layout (location = 4) out vec3 outLightVec;
+layout (location = 1) out vec3 outNormal;
+
+layout(push_constant) uniform PushConstants {
+    float myValue;
+} pushConstants;
 
 out gl_PerVertex 
 {
@@ -42,16 +28,12 @@ out gl_PerVertex
 void main() 
 {
 	outUV = inUV;
-	outLodBias = ubo.lodBias;
 
-	vec3 worldPos = vec3(ubo.model * vec4(inPos, 1.0));
-
-	gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
+	vec2 position = vec2(inPos.xy*2 -1);
+    position = position * pushConstants.myValue;
+    gl_Position = vec4(position, 0.5, 1.0);
 
     vec4 pos = ubo.model * vec4(inPos, 1.0);
 	outNormal = mat3(inverse(transpose(ubo.model))) * inNormal;
-	vec3 lightPos = vec3(0.0);
-	vec3 lPos = mat3(ubo.model) * lightPos.xyz;
-    outLightVec = lPos - pos.xyz;
-    outViewVec = ubo.viewPos.xyz - pos.xyz;		
+
 }