init

shaders/dynamic_uniform_buffers/glsl/base.frag

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+#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 inColor;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor = vec4(inColor, 1.0);	
+}

shaders/dynamic_uniform_buffers/glsl/base.vert

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+#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 vec3 inColor;
+
+layout (binding = 0) uniform UboView 
+{
+	mat4 projection;
+	mat4 view;
+} uboView;
+
+layout (binding = 1) uniform UboInstance 
+{
+	mat4 model; 
+} uboInstance;
+
+layout (location = 0) out vec3 outColor;
+
+out gl_PerVertex 
+{
+	vec4 gl_Position;   
+};
+
+void main() 
+{
+	outColor = inColor;
+	// To avoid calculating this for every vertex, matrix multiplications could be moved to the CPU-side
+	mat4 modelView = uboView.view * uboInstance.model;
+	vec3 worldPos = vec3(modelView * vec4(inPos, 1.0));
+	gl_Position = uboView.projection * modelView * vec4(inPos.xyz, 1.0);
+}

shaders/dynamic_uniform_buffers/hlsl/base.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.
+ */
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float3 Color : COLOR0;
+};
+
+float4 main(VSOutput input) : SV_TARGET0
+{
+    return float4(input.Color, 1.0);
+}

shaders/dynamic_uniform_buffers/hlsl/base.vert.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 VSInput
+{
+    [[vk::location(0)]] float3 Pos : POSITION0;
+    [[vk::location(1)]] float3 Color : COLOR0;
+};
+
+struct UBOView
+{
+    float4x4 projection;
+    float4x4 view;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBOView> uboView;
+
+struct UBOInstance
+{
+    float4x4 model;
+};
+[[vk::binding(1, 0)]]
+ConstantBuffer<UBOInstance> uboInstance;
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float3 Color : COLOR0;
+};
+
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+    output.Color = input.Color;
+    output.Pos = mul(uboView.projection, mul(uboView.view, mul(uboInstance.model, float4(input.Pos, 1.0))));
+    return output;
+}