init

shaders/open_cl_interop/glsl/texture_display.frag

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+#version 450
+/* Copyright (c) 2023-2024, 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 = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor = texture(samplerColor, inUV);
+}

shaders/open_cl_interop/glsl/texture_display.vert

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+#version 450
+/* Copyright (c) 2023-2024, 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;
+} ubo;
+
+layout (location = 0) out vec2 outUV;
+
+void main() 
+{
+	outUV = inUV;
+	gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
+}

shaders/open_cl_interop/hlsl/texture_display.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.
+ */
+
+[[vk::binding(1, 0)]]
+Texture2D textureColor : register(t1, space0);
+[[vk::binding(1, 0)]]
+SamplerState samplerColor : register(s1, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+};
+
+float4 main(VSOutput input) : SV_TARGET0
+{
+    return textureColor.Sample(samplerColor, input.UV);
+}

shaders/open_cl_interop/hlsl/texture_display.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)]] float2 UV : TEXCOORD0;
+    [[vk::location(2)]] float3 Normal : NORMAL0;
+};
+
+struct UBO
+{
+    float4x4 projection;
+    float4x4 model;
+    float4 viewPos;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBO> ubo : register(b0, space0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+};
+
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+    output.UV = input.UV;
+    output.Pos = mul(ubo.projection, mul(ubo.model, float4(input.Pos.xyz, 1.0)));
+    return output;
+};

shaders/open_cl_interop/procedural_texture.cl

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+/* Copyright (c) 2021-2023, Arm Limited and Contributors
+ * Copyright (c) 2023, 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.
+ */
+
+// Generate an image with a random pattern based on a timer
+__kernel void generate_texture(__read_write image2d_t dst_img, float time)
+{
+	int x      = get_global_id(0);
+	int y      = get_global_id(1);
+	int width  = get_global_size(0);
+	int height = get_global_size(1);
+
+	float dx = (x / (float) width - 0.5f) * 2.0f;
+	float dy = (y / (float) height - 0.5f) * 2.0f;
+
+	float dist = sqrt(dx * dx + dy * dy);
+
+	uint4 val;
+	val.s0 = (cos(dist * 25.0f - time * 5.0f) / 2.0f + 0.5f) * 255;
+	val.s1 = (cos(dx * 50.0f) / 2.0f + 0.5f) * 255;
+	val.s2 = (cos(dy * 50.0f) / 2.0f + 0.5f) * 255;
+	val.s3 = 255;
+	write_imageui(dst_img, (int2) (x, y), val);
+}