添加复制的资源

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

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+#version 450
+
+// 输入变量（与顶点着色器输出对应）
+layout(location = 0) in vec2 inTexCoord;
+
+// 输出颜色
+layout(location = 0) out vec4 outColor;
+
+// 纹理采样器
+layout(binding = 0) uniform sampler2D texSampler;
+
+void main() {
+    // 采样纹理
+    outColor = texture(texSampler, inTexCoord);
+}

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

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+#version 450
+
+// 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
+// );
+
+const float offset = (640-480)/(480.0);
+
+
+const vec2 positions[6] = vec2[6](
+    vec2( 1.0,  -1.0 -offset),  // 右下
+    vec2(1.0,  1.0 + offset),  // 右上 - 三角形1
+    vec2(-1.0, 1.0 + offset),  // 左上 - 三角形1
+
+    vec2(-1.0, 1.0 + offset),  // 左上 - 三角形2  
+    vec2( -1.0, -1.0-offset),  // 左下 - 三角形2
+    vec2( 1.0,  -1.0-offset)   // 右下 - 三角形2
+);
+
+
+//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
+    vec2(0.0, 1.0),  // 左上
+    vec2(0.0, 0.0),  // 左下
+    
+    vec2(0.0, 0.0),  // 左下
+    vec2(1.0, 0.0),  // 右下
+    vec2(1.0, 1.0)   // 右上
+);
+
+// 输出变量
+layout(location = 0) out vec2 outTexCoord;
+
+void main() {
+    // 获取顶点位置
+    vec2 position = positions[gl_VertexIndex];
+    
+    // 设置输出位置（Vulkan使用不同的坐标系）
+    gl_Position = vec4(position, 0.0, 1.0);
+    
+    // 输出纹理坐标
+    outTexCoord = texCoords[gl_VertexIndex];
+}

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

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+#version 450
+
+layout(location = 0) in vec3 fragColor;
+layout(location = 1) in vec3 fragLineStart;
+layout(location = 2) in vec3 fragLineEnd;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    vec2 fragPos = gl_FragCoord.xy;
+    
+    // 网格参数
+    float gridSize = 14.0;           // 网格大小
+    float dotRadius = 6.0;           // 点状半径
+    
+    // 计算当前片段所在的网格和网格中心坐标
+    vec2 gridCoord = fragPos / gridSize;
+    vec2 gridCenter = (floor(gridCoord) + 0.5) * gridSize;
+    
+    // 计算片段到网格中心的距离
+    float distanceToCenter = length(fragPos - gridCenter);
+    
+    // 如果距离超过点状半径，丢弃（创建点状虚线）
+    if (distanceToCenter > dotRadius && fragColor.y > 0.5) {
+        discard;
+    }
+    
+    outColor = vec4(fragColor, 1.0);
+}

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

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+#version 450
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec3 inLineStart;
+layout(location = 3) in vec3 inLineEnd;
+
+layout(location = 0) out vec3 fragColor;
+layout(location = 1) out vec3 fragLineStart;
+layout(location = 2) out vec3 fragLineEnd;
+
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 proj;
+    mat4 model;
+    mat4 view;
+} ubo;
+
+void main() {
+    mat4 worldviewproj = ubo.proj * ubo.view * ubo.model;
+    gl_Position = worldviewproj * vec4(inPosition, 1.0);
+    
+    fragColor = inColor;
+    
+    fragLineStart = (worldviewproj * vec4(inLineStart, 1.0)).xyz;
+    fragLineEnd = (worldviewproj * vec4(inLineEnd, 1.0)).xyz;
+}

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

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+#version 450
+
+layout(location = 0) in vec3 fragColor;
+
+
+layout(location = 0) out vec4 outColor;
+
+
+void main() {
+    outColor = vec4(1, 0, 0, 1.0);
+}

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

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+#version 450
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec3 inLineStart;
+layout(location = 3) in vec3 inLineEnd;
+
+layout(location = 0) out vec3 fragColor;
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 proj;
+    mat4 model;
+    mat4 view;
+} ubo;
+
+void main() {
+    //mat4 worldviewproj = ubo.proj * ubo.view * ubo.model;
+    mat4 mvp = ubo.proj * ubo.view * ubo.model;
+    //gl_Position = worldviewproj * vec4(inPosition, 1.0);
+    gl_Position = mvp * vec4(inPosition, 1.0);
+    
+    fragColor = inColor;
+}

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

@@ -0,0 +1,11 @@
+#version 450
+
+// 从顶点着色器接收的颜色
+layout(location = 0) in vec3 fragColor;
+
+// 输出颜色
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    outColor = vec4(fragColor, 1.0); // 使用传入的颜色
+}

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

@@ -0,0 +1,21 @@
+#version 450
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+
+layout(location = 0) out vec3 fragColor;
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 proj;
+    mat4 model;
+    mat4 view;
+} ubo;
+
+void main() {
+    // 预计算MVP矩阵以减少乘法次数
+    mat4 mvp = ubo.proj * ubo.view * ubo.model;
+    //vec3 pos = vec3(2.0, inPosition.y, inPosition.z);
+    gl_Position = mvp * vec4(inPosition, 1.0);
+    fragColor = inColor;
+    gl_PointSize = 2.0;
+}

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

@@ -0,0 +1,41 @@
+#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 = 0) out vec4 outFragColor;
+
+void main() 
+{
+	vec4 color = texture(samplerColor, inUV, inLodBias);
+
+	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);	
+}

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

@@ -0,0 +1,57 @@
+#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;
+layout (location = 2) in vec3 inNormal;
+
+layout (binding = 0) uniform UBO 
+{
+	mat4 projection;
+	mat4 model;
+	vec4 viewPos;
+	float lodBias;
+} 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;
+
+out gl_PerVertex 
+{
+    vec4 gl_Position;   
+};
+
+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);
+
+    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;		
+}

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

@@ -0,0 +1,43 @@
+/* Copyright (c) 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.
+ */
+
+[[vk::binding(1, 0)]]
+Texture2D textureColor : register(t1);
+[[vk::binding(1, 0)]]
+SamplerState samplerColor : register(s1);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] float LodBias : FLOAT0;
+    [[vk::location(2)]] float3 Normal : NORMAL0;
+    [[vk::location(3)]] float3 ViewVec : VECTOR0;
+    [[vk::location(4)]] float3 LightVec : VECTOR1;
+};
+
+float4 main(VSOutput input) : SV_TARGET0
+{
+    float4 color = textureColor.SampleBias(samplerColor, input.UV, input.LodBias);
+    float3 N = normalize(input.Normal);
+    float3 L = normalize(input.LightVec);
+    float3 V = normalize(input.ViewVec);
+    float3 R = reflect(-L, N);
+    float3 diffuse = max(dot(N, L), 0.0).xxx;
+    float3 specular = (pow(max(dot(R, V), 0.0), 16.0)).xxx * color.a;
+    return float4(diffuse * color.rgb + specular, 1.0);
+}

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

@@ -0,0 +1,60 @@
+/* Copyright (c) 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.
+ */
+
+struct VSInput
+{
+    [[vk::location(0)]] float3 Pos : POSITION0;
+    [[vk::location(1)]] float2 UV : TEXCOORD0;
+    [[vk::location(2)]] float3 Normal : NORMAL0;
+};
+
+struct UBO
+{
+    float4x4 projection;
+    float4x4 model;
+    float4 viewPos;
+    float lodBias;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBO> ubo : register(b0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] float LodBias : FLOAT0;
+    [[vk::location(2)]] float3 Normal : NORMAL0;
+    [[vk::location(3)]] float3 ViewVec : VECTOR0;
+    [[vk::location(4)]] float3 LightVec : VECTOR1;
+};
+
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+
+    float3 vecPos = mul((float3x3) ubo.model, input.Pos.xyz).xyz;
+    float3 lightPos = mul((float3x3) ubo.model, (1.0).xxx);
+    
+    output.UV = input.UV;
+    output.LodBias = ubo.lodBias;
+    output.Pos = mul(ubo.projection, mul(ubo.model, float4(input.Pos.xyz, 1.0)));
+    output.Normal = mul((float3x3) ubo.model, input.Normal);
+    output.LightVec = lightPos - vecPos;
+    output.ViewVec = ubo.viewPos.xyz - vecPos;
+    
+    return output;
+}