init

shaders/dynamic_blending/hlsl/blending.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.
+ */
+
+Texture2D textureColor : register(t1);
+SamplerState samplerColor : register(s1);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] uint ColorOffset : TEXCOORD1;
+};
+
+struct Col
+{
+    float4 data[8];
+};
+[[vk::binding(1, 0)]]
+ConstantBuffer<Col> color : register(b1);
+
+float4 sampleTexture(VSOutput input)
+{
+    float4 c00 = color.data[0 + input.ColorOffset];
+    float4 c01 = color.data[1 + input.ColorOffset];
+    float4 c02 = color.data[2 + input.ColorOffset];
+    float4 c03 = color.data[3 + input.ColorOffset];
+
+    float4 b0 = lerp(c00, c01, input.UV.x);
+    float4 b1 = lerp(c02, c03, input.UV.x);
+
+    float4 p0 = lerp(b0, b1, input.UV.y);
+
+    return p0;
+}
+
+float4 main(VSOutput input) : SV_TARGET0
+{
+    return sampleTexture(input);
+}

shaders/dynamic_blending/hlsl/blending.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;
+};
+
+struct UBO
+{
+    float4x4 projection;
+    float4x4 view;
+    float4x4 model;
+};
+[[vk::binding(0, 0)]]
+ConstantBuffer<UBO> ubo : register(b0);
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    [[vk::location(0)]] float2 UV : TEXCOORD0;
+    [[vk::location(1)]] nointerpolation uint ColorOffset : TEXCOORD1;
+};
+
+VSOutput main(VSInput input)
+{
+    VSOutput output = (VSOutput) 0;
+    output.UV = input.UV;
+    output.ColorOffset = input.Pos.z == 1.0 ? 4 : 0;
+    output.Pos = mul(ubo.projection, mul(ubo.view, mul(ubo.model, float4(input.Pos.xyz, 1.0))));
+  
+    return output;
+}