init

shaders/oit_linked_lists/gather.vert

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+#version 450
+/* Copyright (c) 2023, Google
+ *
+ * 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(set = 0, binding = 0) uniform SceneConstants
+{
+	mat4  projection;
+	mat4  view;
+	float background_grayscale;
+	uint  sortFragments;
+	uint  fragmentMaxCount;
+	uint  sortedFragmentCount;
+} sceneConstants;
+
+const uint kInstanceCount = 64;
+struct Instance
+{
+	mat4 model;
+	vec4 color;
+};
+layout (binding = 1) uniform InstanceData
+{
+	Instance instance[kInstanceCount];
+} instanceData;
+
+////////////////////////////////////////
+
+layout (location = 0) out vec4 outColor;
+
+////////////////////////////////////////
+
+void main()
+{
+	const Instance instance = instanceData.instance[gl_InstanceIndex];
+	gl_Position = sceneConstants.projection * sceneConstants.view * instance.model * vec4(inPos, 1.0f);
+	outColor = instance.color;
+}
+