init

shaders/mesh_shading/glsl/ms.mesh

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+#version 450
+#extension GL_EXT_mesh_shader : require
+
+/* Copyright (c) 2023-2024 Holochip Corporation
+ *
+ * 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(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+layout(triangles, max_vertices = 3, max_primitives = 1) out;
+
+void main()
+{
+  uint vertexCount = 3;
+  uint triangleCount = 1;
+  SetMeshOutputsEXT(vertexCount, triangleCount);
+  gl_MeshVerticesEXT[0].gl_Position = vec4(0.5,-0.5, 0, 1);
+  gl_MeshVerticesEXT[1].gl_Position = vec4(0.5, 0.5, 0, 1);
+  gl_MeshVerticesEXT[2].gl_Position = vec4(-0.5, 0.5, 0, 1);
+  gl_PrimitiveTriangleIndicesEXT[0] =  uvec3(0, 1, 2);
+}

shaders/mesh_shading/glsl/ps.frag

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+#version 450
+
+/* Copyright (c) 2023-2024 Holochip Corporation
+ *
+ * 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) out vec4 color;
+
+void main()
+{
+  color = vec4(1.0,0.0,0.0,1.0);
+}

shaders/mesh_shading/hlsl/ms.mesh.hlsl

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+/* 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 VertexOutput
+{
+    float4 position : SV_Position;
+};
+
+[outputtopology("triangle")]
+[numthreads(1, 1, 1)]
+void main(out indices uint3 triangles[1], out vertices VertexOutput vertices[3], uint3 DispatchThreadID : SV_DispatchThreadID)
+{
+    SetMeshOutputCounts(3, 1); 
+    vertices[0].position = float4(0.5, -0.5, 0, 1);
+    vertices[1].position = float4(0.5, 0.5, 0, 1);
+    vertices[2].position = float4(-0.5, 0.5, 0, 1);    
+    triangles[0] = uint3(0, 1, 2);
+}

shaders/mesh_shading/hlsl/ps.frag.hlsl

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+/* 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.
+ */
+
+float4 main() : SV_TARGET
+{
+  return float4(1.0, 0.0, 0.0, 1.0);
+}