发版本

and_proj/app/build.gradle

@@ -21,9 +21,9 @@ android {
 		externalNativeBuild {
 			cmake {
 				abiFilters.addAll( 'arm64-v8a')
-				//arguments '-DANDROID_TOOLCHAIN=clang', '-DANDROID_STL=c++_static', '-DVKB_VALIDATION_LAYERS=OFF'
-				arguments '-DANDROID_TOOLCHAIN=clang', '-DANDROID_STL=c++_static', '-DVKB_VALIDATION_LAYERS=OFF', "-DCMAKE_BUILD_TYPE=Release"
-				cppFlags "-DRELEASE_MODE"
+				arguments '-DANDROID_TOOLCHAIN=clang', '-DANDROID_STL=c++_static', '-DVKB_VALIDATION_LAYERS=OFF'
+				//arguments '-DANDROID_TOOLCHAIN=clang', '-DANDROID_STL=c++_static', '-DVKB_VALIDATION_LAYERS=OFF', "-DCMAKE_BUILD_TYPE=Release"
+				//cppFlags "-DRELEASE_MODE"
 			}
 		}
 	}

and_proj/app/src/main/assets/assets/scenes/textured_unit_cube.gltf

@@ -0,0 +1,120 @@
+{
+    "accessors" : [
+        {
+            "bufferView" : 0,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC3"
+        },
+        {
+            "bufferView" : 1,
+            "componentType" : 5126,
+            "count" : 24,
+            "max" : [
+                1,
+                1,
+                1
+            ],
+            "min" : [
+                -1,
+                -1,
+                -1
+            ],
+            "type" : "VEC3"
+        },
+        {
+            "bufferView" : 2,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC4"
+        },
+        {
+            "bufferView" : 3,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC2"
+        },
+        {
+            "bufferView" : 4,
+            "componentType" : 5121,
+            "count" : 36,
+            "type" : "SCALAR"
+        }
+    ],
+    "asset" : {
+        "generator" : "Khronos Blender glTF 2.0 I/O",
+        "version" : "2.0"
+    },
+    "bufferViews" : [
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 0
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 288
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 384,
+            "byteOffset" : 576
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 192,
+            "byteOffset" : 960
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 36,
+            "byteOffset" : 1152
+        }
+    ],
+    "buffers" : [
+        {
+            "byteLength" : 1188,
+            "uri" : "data:application/octet-stream;base64,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"
+        }
+    ],
+    "extensions" : {},
+    "materials" : [
+        {
+            "name" : "Material",
+            "pbrMetallicRoughness" : {}
+        }
+    ],
+    "meshes" : [
+        {
+            "name" : "Cube.001",
+            "primitives" : [
+                {
+                    "attributes" : {
+                        "NORMAL" : 0,
+                        "POSITION" : 1,
+                        "TANGENT" : 2,
+                        "TEXCOORD_0" : 3
+                    },
+                    "indices" : 4,
+                    "material" : 0
+                }
+            ]
+        }
+    ],
+    "nodes" : [
+        {
+            "mesh" : 0,
+            "name" : "Cube"
+        }
+    ],
+    "scene" : 0,
+    "scenes" : [
+        {
+            "name" : "Scene",
+            "nodes" : [
+                0
+            ]
+        }
+    ]
+}

and_proj/app/src/main/assets/shaders/README.adoc

@@ -0,0 +1,34 @@
+////
+- Copyright (c) 2024-2025, 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.
+-
+////
+= Shaders
+
+== Shader languages
+
+This folder contains the textual shaders for the samples. All samples come with GLSL shaders and some optionally with HLSL shaders. For samples that support both shader language this is a good way to compare GLSL to HLSL syntax when targeting SPIR-V for Vulkan.
+
+== Compiling shaders
+
+The samples load offline compiled SPIR-V variants of the GLSL/HLSL shaders. If you have the appropriate compiler installed, e.g. via the LunarG VUlkan SDK, shaders will be automatically compiled when building the samples project.
+
+== Further information
+
+The xref:guide:ROOT:index.adoc[Vulkan Guide] contains further information on how to use HLSL with Vulkan and how it compares to GLSL:
+
+* xref:guide::hlsl.adoc[HLSL in Vulkan]
+* xref:guide::high_level_shader_language_comparison.adoc[High level shading language comparison]

and_proj/app/src/main/assets/shaders/base.frag

@@ -0,0 +1,89 @@
+#version 320 es
+/* Copyright (c) 2019-2025, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+precision highp float;
+
+layout(set = 0, binding = 0) uniform sampler2D base_color_texture;
+
+layout(location = 0) in vec4 in_pos;
+layout(location = 1) in vec2 in_uv;
+layout(location = 2) in vec3 in_normal;
+
+layout(location = 0) out vec4 o_color;
+
+layout(set = 0, binding = 1) uniform GlobalUniform
+{
+	mat4 model;
+	mat4 view_proj;
+	vec3 camera_position;
+}
+global_uniform;
+
+// Push constants come with a limitation in the size of data.
+// The standard requires at least 128 bytes
+layout(push_constant, std430) uniform PBRMaterialUniform
+{
+	vec4  base_color_factor;
+	float metallic_factor;
+	float roughness_factor;
+}
+pbr_material_uniform;
+
+#include "lighting.h"
+
+layout(set = 0, binding = 4) uniform LightsInfo
+{
+	Light directional_lights[48];
+	Light point_lights[48];
+	Light spot_lights[48];
+}
+lights_info;
+
+layout(constant_id = 0) const uint DIRECTIONAL_LIGHT_COUNT = 0U;
+layout(constant_id = 1) const uint POINT_LIGHT_COUNT       = 0U;
+layout(constant_id = 2) const uint SPOT_LIGHT_COUNT        = 0U;
+
+void main(void)
+{
+	vec3 normal = normalize(in_normal);
+
+	vec3 light_contribution = vec3(0.0);
+
+	for (uint i = 0U; i < DIRECTIONAL_LIGHT_COUNT; ++i)
+	{
+		light_contribution += apply_directional_light(lights_info.directional_lights[i], normal);
+	}
+
+	for (uint i = 0U; i < POINT_LIGHT_COUNT; ++i)
+	{
+		light_contribution += apply_point_light(lights_info.point_lights[i], in_pos.xyz, normal);
+	}
+
+	for (uint i = 0U; i < SPOT_LIGHT_COUNT; ++i)
+	{
+		light_contribution += apply_spot_light(lights_info.spot_lights[i], in_pos.xyz, normal);
+	}
+
+	vec4 base_color = vec4(1.0, 0.0, 0.0, 1.0);
+
+	base_color = texture(base_color_texture, in_uv);
+
+	vec3 ambient_color = vec3(0.2) * base_color.xyz;
+
+	o_color = vec4(ambient_color + light_contribution * base_color.xyz, base_color.w);
+}

and_proj/app/src/main/assets/shaders/base.vert

@@ -0,0 +1,42 @@
+#version 320 es
+/* Copyright (c) 2019, Arm Limited and Contributors
+ *
+ * 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 position;
+layout(location = 1) in vec2 texcoord_0;
+layout(location = 2) in vec3 normal;
+
+layout(set = 0, binding = 1) uniform GlobalUniform {
+    mat4 model;
+    mat4 view_proj;
+    vec3 camera_position;
+} global_uniform;
+
+layout (location = 0) out vec4 o_pos;
+layout (location = 1) out vec2 o_uv;
+layout (location = 2) out vec3 o_normal;
+
+void main(void)
+{
+    o_pos = global_uniform.model * vec4(position, 1.0);
+
+    o_uv = texcoord_0;
+
+    o_normal = mat3(global_uniform.model) * normal;
+
+    gl_Position = global_uniform.view_proj * o_pos;
+}

and_proj/app/src/main/assets/shaders/imgui.frag

@@ -0,0 +1,30 @@
+#version 320 es
+/* Copyright (c) 2019, Arm Limited and Contributors
+ *
+ * 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.
+ */
+precision mediump float;
+
+layout (binding = 0) uniform sampler2D fontSampler;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) in vec4 inColor;
+
+layout (location = 0) out vec4 outColor;
+
+void main()
+{
+	outColor = inColor * texture(fontSampler, inUV);
+}

and_proj/app/src/main/assets/shaders/imgui.vert

@@ -0,0 +1,42 @@
+#version 320 es
+/* Copyright (c) 2019, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+precision mediump float;
+
+layout (location = 0) in vec2 inPos;
+layout (location = 1) in vec2 inUV;
+layout (location = 2) in vec4 inColor;
+
+layout (push_constant) uniform PushConstants {
+	mat4 transform;
+} pushConstants;
+
+layout (location = 0) out vec2 outUV;
+layout (location = 1) out vec4 outColor;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+void main()
+{
+	outUV = inUV;
+	outColor = inColor;
+	gl_Position = pushConstants.transform * vec4(inPos.xy, 0.0, 1.0);
+}

and_proj/app/src/main/assets/shaders/includes/glsl/lighting.h

@@ -0,0 +1,52 @@
+/* Copyright (c) 2020-2025, Arm Limited and Contributors
+ *
+ * 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 Light
+{
+	vec4 position;         // position.w represents type of light
+	vec4 color;            // color.w represents light intensity
+	vec4 direction;        // direction.w represents range
+	vec2 info;             // (only used for spot lights) info.x represents light inner cone angle, info.y represents light outer cone angle
+};
+
+vec3 apply_directional_light(Light light, vec3 normal)
+{
+	vec3 world_to_light = -light.direction.xyz;
+	world_to_light      = normalize(world_to_light);
+	float ndotl         = clamp(dot(normal, world_to_light), 0.0, 1.0);
+	return ndotl * light.color.w * light.color.rgb;
+}
+
+vec3 apply_point_light(Light light, vec3 pos, vec3 normal)
+{
+	vec3  world_to_light = light.position.xyz - pos;
+	float dist           = length(world_to_light) * 0.005;
+	float atten          = 1.0 / (dist * dist);
+	world_to_light       = normalize(world_to_light);
+	float ndotl          = clamp(dot(normal, world_to_light), 0.0, 1.0);
+	return ndotl * light.color.w * atten * light.color.rgb;
+}
+
+vec3 apply_spot_light(Light light, vec3 pos, vec3 normal)
+{
+	vec3  light_to_pixel   = normalize(pos - light.position.xyz);
+	float theta            = dot(light_to_pixel, normalize(light.direction.xyz));
+	float inner_cone_angle = light.info.x;
+	float outer_cone_angle = light.info.y;
+	float intensity        = (theta - outer_cone_angle) / (inner_cone_angle - outer_cone_angle);
+	return smoothstep(0.0, 1.0, intensity) * light.color.w * light.color.rgb;
+}

and_proj/app/src/main/assets/shaders/profiles/glsl/profiles.frag

@@ -0,0 +1,31 @@
+#version 450
+/* Copyright (c) 2022-2024, 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.
+ */
+
+#extension GL_EXT_nonuniform_qualifier : require
+
+layout (set = 0, binding = 1) uniform sampler2D textures[];
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) flat in int inTexIndex;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor = texture(textures[nonuniformEXT(inTexIndex)], inUV);	
+}

and_proj/app/src/main/assets/shaders/profiles/glsl/profiles.vert

@@ -0,0 +1,37 @@
+#version 450
+/* Copyright (c) 2022-2024, 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 int inTexIndex;
+
+layout (binding = 0) uniform UBO 
+{
+	mat4 projection;
+	mat4 view;
+} ubo;
+
+layout (location = 0) out vec2 outUV;
+layout (location = 1) flat out int outTexIndex;
+
+void main() 
+{
+	outUV = inUV;
+	outTexIndex = inTexIndex;
+	gl_Position = ubo.projection * ubo.view * vec4(inPos.xyz, 1.0);
+}

and_proj/app/src/main/assets/shaders/profiles/hlsl/profiles.frag.hlsl

@@ -0,0 +1,33 @@
+/* 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 textures[] : register(t1, space0);
+[[vk::binding(1, 0)]]
+SamplerState samplers[] : register(s1, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+};
+
+float4 main(VSOutput input) : SV_TARGET
+{
+    return textures[NonUniformResourceIndex(input.TexIndex)].Sample(samplers[NonUniformResourceIndex(input.TexIndex)], input.UV);
+}

and_proj/app/src/main/assets/shaders/profiles/hlsl/profiles.vert.hlsl

@@ -0,0 +1,48 @@
+/* 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)]] int TexIndex : TEXCOORD1;
+};
+
+struct UBO
+{
+    float4x4 projection;
+    float4x4 view;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBO> ubo : register(b0, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+};
+
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+    output.UV = input.UV;
+    output.TexIndex = input.TexIndex;
+    output.Pos = mul(ubo.projection, mul(ubo.view, float4(input.Pos.xyz, 1.0)));
+    return output;
+}

and_proj/app/src/main/assets/shaders/profiles/slang/profiles.frag.slang

@@ -0,0 +1,32 @@
+/* Copyright (c) 2025, 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)]]
+Sampler2D textures[] : register(t1, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+};
+
+[shader("fragment")]
+float4 main(VSOutput input) : SV_TARGET
+{
+    return textures[NonUniformResourceIndex(input.TexIndex)].Sample(input.UV);
+}

and_proj/app/src/main/assets/shaders/profiles/slang/profiles.vert.slang

@@ -0,0 +1,49 @@
+/* Copyright (c) 2025, 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)]] int TexIndex : TEXCOORD1;
+};
+
+struct UBO
+{
+    float4x4 projection;
+    float4x4 view;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBO> ubo : register(b0, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+};
+
+[shader("vertex")]
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+    output.UV = input.UV;
+    output.TexIndex = input.TexIndex;
+    output.Pos = mul(ubo.projection, mul(ubo.view, float4(input.Pos.xyz, 1.0)));
+    return output;
+}

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

@@ -0,0 +1,15 @@
+#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

@@ -0,0 +1,58 @@
+#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 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
+);
+
+// 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);
+    
+    // 输出纹理坐标
+    outTexCoord = texCoords[gl_VertexIndex];
+}

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

@@ -0,0 +1,43 @@
+#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;
+
+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;
+    
+    // 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

@@ -0,0 +1,36 @@
+#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;
+
+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);
+
+    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;
+    
+    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

@@ -0,0 +1,11 @@
+#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

@@ -0,0 +1,23 @@
+#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 +1,31 @@
+#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;
+
+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;
+    //vec3 pos = vec3(2.0, inPosition.y, inPosition.z);
+    //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

@@ -0,0 +1,26 @@
+#version 450
+
+layout (binding = 1) uniform sampler2D samplerColor;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) in vec3 inNormal;
+
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	vec4 color = texture(samplerColor, inUV);
+
+	vec3 N = normalize(inNormal);
+
+	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

@@ -0,0 +1,39 @@
+#version 450
+
+
+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 vec3 outNormal;
+
+layout(push_constant) uniform PushConstants {
+    float myValue;
+} pushConstants;
+
+out gl_PerVertex 
+{
+    vec4 gl_Position;   
+};
+
+void main() 
+{
+	outUV = inUV;
+
+	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;
+
+}

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;
+}

and_proj/app/src/main/assets/shaders/triangle.frag

@@ -0,0 +1,28 @@
+#version 320 es
+/* Copyright (c) 2019, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+precision mediump float;
+
+layout(location = 0) in vec3 in_color;
+
+layout(location = 0) out vec4 out_color;
+
+void main()
+{
+	out_color = vec4(in_color, 1.0);
+}

and_proj/app/src/main/assets/shaders/triangle.vert

@@ -0,0 +1,40 @@
+#version 320 es
+/* Copyright (c) 2019-2023, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+precision mediump float;
+
+layout(location = 0) out vec3 out_color;
+
+vec2 triangle_positions[3] = vec2[](
+    vec2(0.5, -0.5),
+    vec2(0.5, 0.5),
+    vec2(-0.5, 0.5)
+);
+
+vec3 triangle_colors[3] = vec3[](
+    vec3(1.0, 0.0, 0.0),
+    vec3(0.0, 1.0, 0.0),
+    vec3(0.0, 0.0, 1.0)
+);
+
+void main()
+{
+    gl_Position = vec4(triangle_positions[gl_VertexIndex], 0.5, 1.0);
+
+    out_color = triangle_colors[gl_VertexIndex];
+}

and_proj/app/src/main/assets/shaders/uioverlay/uioverlay.frag

@@ -0,0 +1,29 @@
+#version 450
+/* Copyright (c) 2019, 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 = 0) uniform sampler2D fontSampler;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) in vec4 inColor;
+
+layout (location = 0) out vec4 outColor;
+
+void main() 
+{
+	outColor = inColor * texture(fontSampler, inUV);
+}

and_proj/app/src/main/assets/shaders/uioverlay/uioverlay.vert

@@ -0,0 +1,40 @@
+#version 450
+/* Copyright (c) 2019, 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 vec2 inPos;
+layout (location = 1) in vec2 inUV;
+layout (location = 2) in vec4 inColor;
+
+layout (push_constant) uniform PushConstants {
+	mat4 transform;
+} pushConstants;
+
+layout (location = 0) out vec2 outUV;
+layout (location = 1) out vec4 outColor;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+void main()
+{
+	outUV = inUV;
+	outColor = inColor;
+	gl_Position = pushConstants.transform * vec4(inPos.xy, 0.0, 1.0);
+}

app/android/java/com/khronos/vulkan_samples/AssetsCopyUtil.java

@@ -0,0 +1,391 @@
+package com.khronos.vulkan_samples;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.os.Environment;
+import android.util.Log;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.HashSet;
+import java.util.Set;
+
+public class AssetsCopyUtil {
+    private static final String TAG = "AssetsCopyUtil";
+    private static final String PREF_NAME = "assets_copy_pref";
+    private static final String PREF_KEY_COPIED_FILES = "copied_files";
+
+    /**
+     * 复制 assets 到应用专属外部存储的 files 目录（递归复制子文件夹）
+     */
+    public static void copyAssetsToAppFiles(Context context, String assetsPath) {
+        try {
+            AssetManager assetManager = context.getAssets();
+
+            // 获取应用专属外部存储的 files 目录
+            File externalFilesDir = context.getExternalFilesDir(null);
+            if (externalFilesDir == null) {
+                Log.e(TAG, "External files directory is not available");
+                return;
+            }
+
+            // 递归复制
+            copyAssetsRecursive(context, assetManager, assetsPath, externalFilesDir.getAbsolutePath());
+
+            Log.i(TAG, "Assets copy completed for: " + assetsPath);
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error copying assets from: " + assetsPath, e);
+        }
+    }
+
+    /**
+     * 递归复制 assets 中的文件和文件夹
+     */
+    private static void copyAssetsRecursive(Context context, AssetManager assetManager,
+                                            String assetsPath, String targetBasePath) {
+        try {
+            // 获取 assets 路径下的所有项目
+            String[] items = assetManager.list(assetsPath);
+            if (items == null || items.length == 0) {
+                Log.w(TAG, "No items found in assets path: " + assetsPath);
+                return;
+            }
+
+            // 创建目标目录
+            File targetDir = new File(targetBasePath, assetsPath);
+            if (!targetDir.exists() && !targetDir.mkdirs()) {
+                Log.e(TAG, "Failed to create target directory: " + targetDir.getAbsolutePath());
+                return;
+            }
+
+            // 获取已复制的文件列表
+            Set<String> copiedFiles = getCopiedFiles(context);
+            boolean hasNewFiles = false;
+
+            for (String item : items) {
+                String assetItemPath = assetsPath.isEmpty() ? item : assetsPath + "/" + item;
+                String fileKey = assetItemPath;
+
+                // 检查是否已经复制过
+                if (copiedFiles.contains(fileKey)) {
+                    Log.d(TAG, "Item already copied: " + assetItemPath);
+                    continue;
+                }
+
+                try {
+                    // 判断是文件还是目录的正确方法
+                    boolean isFile = isAssetFile(assetManager, assetsPath, item);
+
+                    if (isFile) {
+                        // 复制文件
+                        if (copySingleFile(assetManager, assetItemPath, targetDir, item)) {
+                            copiedFiles.add(fileKey);
+                            hasNewFiles = true;
+                            Log.d(TAG, "Successfully copied file: " + assetItemPath);
+                        }
+                    } else {
+                        // 递归复制子目录
+                        copyAssetsRecursive(context, assetManager, assetItemPath, targetBasePath);
+                        // 将目录也标记为已处理
+                        copiedFiles.add(fileKey);
+                        hasNewFiles = true;
+                        Log.d(TAG, "Processed directory: " + assetItemPath);
+                    }
+
+                } catch (Exception e) {
+                    Log.e(TAG, "Error processing: " + assetItemPath, e);
+                }
+            }
+
+            // 如果有新文件被复制，更新记录
+            if (hasNewFiles) {
+                saveCopiedFiles(context, copiedFiles);
+            }
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error in recursive copy for path: " + assetsPath, e);
+        }
+    }
+
+    /**
+     * 正确判断 assets 中的项目是文件还是目录
+     */
+    private static boolean isAssetFile(AssetManager assetManager, String basePath, String item) {
+        try {
+            // 方法1：尝试列出子项，如果能列出且不为空，说明是目录
+            String testPath = basePath.isEmpty() ? item : basePath + "/" + item;
+            String[] subItems = assetManager.list(testPath);
+
+            // 如果子项为空，说明是文件或者是空目录
+            if (subItems == null) {
+                return true; // 应该是文件
+            }
+
+            // 如果有子项，说明是目录
+            if (subItems.length > 0) {
+                return false; // 是目录
+            }
+
+            // 如果子项为空数组，需要进一步判断
+            // 尝试打开它，如果能打开说明是文件，不能打开说明是空目录
+            try {
+                InputStream test = assetManager.open(testPath);
+                test.close();
+                return true; // 能打开，是文件
+            } catch (Exception e) {
+                return false; // 不能打开，是空目录
+            }
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error checking asset type: " + item, e);
+            return true; // 默认当作文件处理
+        }
+    }
+
+    /**
+     * 更可靠的递归复制方法
+     */
+    public static void copyAssetsToAppFilesSimple(Context context, String assetsPath) {
+        try {
+            AssetManager assetManager = context.getAssets();
+            File externalFilesDir = context.getExternalFilesDir(null);
+            if (externalFilesDir == null) {
+                Log.e(TAG, "External storage not available");
+                return;
+            }
+
+            // 创建目标目录
+            File targetBaseDir = new File(externalFilesDir, assetsPath);
+            if (!targetBaseDir.exists() && !targetBaseDir.mkdirs()) {
+                Log.e(TAG, "Failed to create base directory");
+                return;
+            }
+
+            copyAssetsRecursiveSimple(assetManager, assetsPath, targetBaseDir.getAbsolutePath());
+            Log.i(TAG, "Simple copy completed for: " + assetsPath);
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error in simple copy", e);
+        }
+    }
+
+    private static void copyAssetsRecursiveSimple(AssetManager assetManager, String assetsPath, String targetPath) {
+        try {
+            String[] items = assetManager.list(assetsPath);
+            if (items == null || items.length == 0) {
+                return;
+            }
+
+            for (String item : items) {
+                String fullAssetPath = assetsPath.isEmpty() ? item : assetsPath + "/" + item;
+
+                // 判断是文件还是目录
+                boolean isFile = isAssetFileSimple(assetManager, fullAssetPath);
+
+                if (isFile) {
+                    // 复制文件
+                    copySingleFileSimple(assetManager, fullAssetPath, targetPath, item);
+                    Log.d(TAG, "Copied file: " + fullAssetPath + " to " + targetPath);
+                } else {
+                    // 创建子目录并递归复制
+                    File subDir = new File(targetPath, item);
+                    if (!subDir.exists()) {
+                        subDir.mkdirs();
+                    }
+                    copyAssetsRecursiveSimple(assetManager, fullAssetPath, subDir.getAbsolutePath());
+                    Log.d(TAG, "Processed directory: " + fullAssetPath);
+                }
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Error in simple recursive copy: " + assetsPath, e);
+        }
+    }
+
+    private static boolean isAssetFileSimple(AssetManager assetManager, String path) {
+        try {
+            String[] subItems = assetManager.list(path);
+            if (subItems == null) return true; // 应该是文件
+
+            if (subItems.length > 0) return false; // 有子项，是目录
+
+            // 空数组，尝试打开判断
+            try {
+                InputStream test = assetManager.open(path);
+                test.close();
+                return true; // 能打开，是文件
+            } catch (Exception e) {
+                return false; // 不能打开，是空目录
+            }
+        } catch (Exception e) {
+            return true; // 出错时默认当作文件
+        }
+    }
+
+    /**
+     * 复制单个文件
+     */
+    private static boolean copySingleFile(AssetManager assetManager, String assetFilePath, File targetDir, String filename) {
+        InputStream in = null;
+        OutputStream out = null;
+
+        try {
+            File outFile = new File(targetDir, filename);
+            in = assetManager.open(assetFilePath);
+            out = new FileOutputStream(outFile);
+
+            byte[] buffer = new byte[1024];
+            int read;
+            while ((read = in.read(buffer)) != -1) {
+                out.write(buffer, 0, read);
+            }
+
+            Log.d(TAG, "File copied: " + outFile.getAbsolutePath());
+            return true;
+
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to copy file: " + assetFilePath, e);
+            return false;
+        } finally {
+            try {
+                if (in != null) in.close();
+                if (out != null) {
+                    out.flush();
+                    out.close();
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "Error closing streams", e);
+            }
+        }
+    }
+
+    private static void copySingleFileSimple(AssetManager assetManager, String assetFilePath,
+                                             String targetPath, String filename) {
+        InputStream in = null;
+        OutputStream out = null;
+
+        try {
+            File outFile = new File(targetPath, filename);
+            in = assetManager.open(assetFilePath);
+            out = new FileOutputStream(outFile);
+
+            byte[] buffer = new byte[1024];
+            int read;
+            while ((read = in.read(buffer)) != -1) {
+                out.write(buffer, 0, read);
+            }
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error copying: " + assetFilePath, e);
+        } finally {
+            try {
+                if (in != null) in.close();
+                if (out != null) {
+                    out.flush();
+                    out.close();
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "Error closing streams", e);
+            }
+        }
+    }
+
+    /**
+     * 调试方法：打印 assets 结构
+     */
+    public static void printAssetsStructure(Context context, String path) {
+        try {
+            Log.d(TAG, "=== Assets Structure for: " + path + " ===");
+            AssetManager am = context.getAssets();
+            printAssetsRecursive(am, path, 0);
+            Log.d(TAG, "=== End of Assets Structure ===");
+        } catch (Exception e) {
+            Log.e(TAG, "Error printing assets structure", e);
+        }
+    }
+
+    private static void printAssetsRecursive(AssetManager am, String path, int depth) {
+        try {
+            String indent = "";
+            for (int i = 0; i < depth; i++) indent += "  ";
+
+            String[] items = am.list(path);
+            if (items != null) {
+                for (String item : items) {
+                    String fullPath = path.isEmpty() ? item : path + "/" + item;
+                    boolean isFile = isAssetFileSimple(am, fullPath);
+
+                    if (isFile) {
+                        Log.d(TAG, indent + "📄 " + item + " (file)");
+                    } else {
+                        Log.d(TAG, indent + "📁 " + item + " (dir)");
+                        printAssetsRecursive(am, fullPath, depth + 1);
+                    }
+                }
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Error in recursive print", e);
+        }
+    }
+
+    /**
+     * 获取已复制的文件列表
+     */
+    @SuppressWarnings("unchecked")
+    private static Set<String> getCopiedFiles(Context context) {
+        return context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                .getStringSet(PREF_KEY_COPIED_FILES, new HashSet<String>());
+    }
+
+    /**
+     * 保存已复制的文件列表
+     */
+    private static void saveCopiedFiles(Context context, Set<String> copiedFiles) {
+        context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                .edit()
+                .putStringSet(PREF_KEY_COPIED_FILES, new HashSet<>(copiedFiles))
+                .apply();
+    }
+
+    /**
+     * 清空复制记录
+     */
+    public static void clearCopyRecords(Context context) {
+        context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                .edit()
+                .remove(PREF_KEY_COPIED_FILES)
+                .apply();
+        Log.d(TAG, "Copy records cleared");
+    }
+
+    /**
+     * 检查外部存储是否可用
+     */
+    public static boolean isExternalStorageAvailable() {
+        String state = Environment.getExternalStorageState();
+        return Environment.MEDIA_MOUNTED.equals(state);
+    }
+
+    /**
+     * 获取目标文件的完整路径
+     */
+    public static String getFilePath(Context context, String relativePath) {
+        File externalFilesDir = context.getExternalFilesDir(null);
+        if (externalFilesDir == null) return null;
+
+        File targetFile = new File(externalFilesDir, relativePath);
+        return targetFile.getAbsolutePath();
+    }
+
+    /**
+     * 检查文件是否存在
+     */
+    public static boolean fileExists(Context context, String relativePath) {
+        File externalFilesDir = context.getExternalFilesDir(null);
+        if (externalFilesDir == null) return false;
+
+        File targetFile = new File(externalFilesDir, relativePath);
+        return targetFile.exists();
+    }
+}

app/android/java/com/khronos/vulkan_samples/MainActivity.java

@@ -23,6 +23,7 @@ import com.google.androidgamesdk.GameActivity;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.mediapipe.tasks.components.containers.NormalizedLandmark;
 import com.google.mediapipe.tasks.vision.core.RunningMode;
+import com.google.mediapipe.tasks.vision.facelandmarker.FaceLandmarker;
 import com.google.mediapipe.tasks.vision.facelandmarker.FaceLandmarkerResult;
 
 import org.jetbrains.annotations.NotNull;
@@ -30,6 +31,7 @@ import org.jetbrains.annotations.NotNull;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.FloatBuffer;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
@@ -58,6 +60,16 @@ public class MainActivity extends GameActivity implements FaceLandmarkerHelper.L
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+
+//        if (!AssetsCopyUtil.isExternalStorageAvailable()) {
+//            Log.w(TAG, "External storage not available, skipping assets copy");
+//            return;
+//        }
+
+        AssetsCopyUtil.copyAssetsToAppFiles(this, "assets");
+        AssetsCopyUtil.copyAssetsToAppFiles(this, "shaders");
+
+
         String native_lib_name = getResources().getString(R.string.native_lib_name);
         try {
             System.loadLibrary(native_lib_name);
@@ -254,6 +266,41 @@ public class MainActivity extends GameActivity implements FaceLandmarkerHelper.L
     float[] points = new float[480 * 3];
 
 
+    public class Vector {
+        public float x, y, z;
+
+        public Vector(float x, float y, float z) {
+            this.x = x;
+            this.y = y;
+            this.z = z;
+        }
+    }
+
+    public static String toObjString(ArrayList<Vector> vertices, ArrayList<Integer> triangleIndices) {
+        StringBuilder sb = new StringBuilder();
+
+        // 写入顶点数据 (v x y z)
+        for (Vector v : vertices) {
+            sb.append(String.format("v %.6f %.6f %.6f\n", v.x, v.y, v.z));
+        }
+
+        // 写入面数据 (f i1 i2 i3)，OBJ索引从1开始，因此每个索引+1
+        int size = triangleIndices.size();
+        for (int i = 0; i < size; i += 3) {
+            if (i + 2 < size) {
+                int i1 = triangleIndices.get(i) + 1;
+                int i2 = triangleIndices.get(i + 1) + 1;
+                int i3 = triangleIndices.get(i + 2) + 1;
+                sb.append(String.format("f %d %d %d\n", i1, i2, i3));
+            } else {
+                // 如果剩余索引不足3个，说明数据不完整
+                System.err.println("Warning: Incomplete triangle face at the end of index list.");
+            }
+        }
+
+        return sb.toString();
+    }
+
     @Override
     public void onResults(FaceLandmarkerHelper.@NotNull ResultBundle resultBundle) {
         FaceLandmarkerResult faceLandmarkerResult = resultBundle.getResult();
@@ -268,6 +315,19 @@ public class MainActivity extends GameActivity implements FaceLandmarkerHelper.L
             nativeBuffer.order(ByteOrder.nativeOrder());
         }
 
+
+
+//        ArrayList<Vector> vertexs = new ArrayList<>();
+//        ArrayList<Integer> triangle_index = new ArrayList<>();
+//
+//        for (var conn : FaceLandmarker.FACE_LANDMARKS_TESSELATION) {
+//            triangle_index.add(conn.start());
+//        }
+
+
+//        StringBuilder sb = new StringBuilder();
+//        sb.append("[");
+
         int index = 0;
         // Iterate through each detected face
         for (List<NormalizedLandmark> faceLandmarks : faceLandmarkerResult.faceLandmarks()) {
@@ -276,14 +336,25 @@ public class MainActivity extends GameActivity implements FaceLandmarkerHelper.L
             int arrayIndex = 0;
             for (NormalizedLandmark p : faceLandmarks)
             {
+                //sb.append("[");
                 //Log.i(TAG, "Index" + index + " x:"+p.x() + " y:"+p.y() + " z:"+p.z());
                 points[arrayIndex++] = p.x();
+                //sb.append(""+p.x()+",");
                 points[arrayIndex++] = p.y();
+                //sb.append(""+p.y()+",");
                 points[arrayIndex++] = p.z() * z_rate;
+                //sb.append(""+p.z());
+                //vertexs.add(new Vector(p.x(), p.y(), p.z()));
+                //sb.append("],");
                 index++;
             }
         }
 
+        //sb.append("]");
+        //String objStr = sb.toString();
+
+        //String objStr = toObjString(vertexs, triangle_index);
+
         // 转换为FloatBuffer并填充数据
         FloatBuffer floatBuffer = nativeBuffer.asFloatBuffer();
         floatBuffer.put(points);

app/android/res/layout/camera_vulkan.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <!-- 底层：CameraX 预览 -->
+    <androidx.camera.view.PreviewView
+        android:id="@+id/previewView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <!-- 上层：GameActivity 的容器 -->
+    <FrameLayout
+        android:id="@+id/gameActivityContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</FrameLayout>

assets/scenes/textured_unit_cube.gltf

@@ -0,0 +1,120 @@
+{
+    "accessors" : [
+        {
+            "bufferView" : 0,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC3"
+        },
+        {
+            "bufferView" : 1,
+            "componentType" : 5126,
+            "count" : 24,
+            "max" : [
+                1,
+                1,
+                1
+            ],
+            "min" : [
+                -1,
+                -1,
+                -1
+            ],
+            "type" : "VEC3"
+        },
+        {
+            "bufferView" : 2,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC4"
+        },
+        {
+            "bufferView" : 3,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC2"
+        },
+        {
+            "bufferView" : 4,
+            "componentType" : 5121,
+            "count" : 36,
+            "type" : "SCALAR"
+        }
+    ],
+    "asset" : {
+        "generator" : "Khronos Blender glTF 2.0 I/O",
+        "version" : "2.0"
+    },
+    "bufferViews" : [
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 0
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 288
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 384,
+            "byteOffset" : 576
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 192,
+            "byteOffset" : 960
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 36,
+            "byteOffset" : 1152
+        }
+    ],
+    "buffers" : [
+        {
+            "byteLength" : 1188,
+            "uri" : "data:application/octet-stream;base64,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"
+        }
+    ],
+    "extensions" : {},
+    "materials" : [
+        {
+            "name" : "Material",
+            "pbrMetallicRoughness" : {}
+        }
+    ],
+    "meshes" : [
+        {
+            "name" : "Cube.001",
+            "primitives" : [
+                {
+                    "attributes" : {
+                        "NORMAL" : 0,
+                        "POSITION" : 1,
+                        "TANGENT" : 2,
+                        "TEXCOORD_0" : 3
+                    },
+                    "indices" : 4,
+                    "material" : 0
+                }
+            ]
+        }
+    ],
+    "nodes" : [
+        {
+            "mesh" : 0,
+            "name" : "Cube"
+        }
+    ],
+    "scene" : 0,
+    "scenes" : [
+        {
+            "name" : "Scene",
+            "nodes" : [
+                0
+            ]
+        }
+    ]
+}