init

shaders/dynamic_multisample_rasterization/model.frag

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+#version 450
+/* Copyright (c) 2024, Mobica Limited
+ *
+ * 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 inNormal;
+layout (location = 1) in vec2 inUV;
+layout (location = 2) in vec3 inViewVec;
+layout (location = 3) in vec3 inLightVec;
+layout (location = 4) flat in vec4 inBaseColorFactor;
+layout (location = 5) flat in float inMetallicFactor;
+layout (location = 6) flat in float inRoughnessFactor;
+layout (location = 7) flat in uint inBaseTextureIndex;
+layout (location = 8) flat in uint inNormalTextureIndex;
+layout (location = 9) flat in uint inMetallicRoughnessTextureIndex;
+
+layout(binding = 1, set = 0) uniform sampler2D textures[15];
+
+layout (location = 0) out vec4 outFragColor;
+
+vec4 getColor()
+{
+    vec4 color = inBaseColorFactor;
+
+	if (inBaseTextureIndex != -1)
+		color = texture(textures[uint(round(inBaseTextureIndex))], inUV);
+
+	return color;
+}
+
+vec3 getNormal()
+{
+    vec3 normal = inNormal;
+
+	if (inNormalTextureIndex != -1)
+		normal = texture(textures[uint(round(inNormalTextureIndex))], inUV).xyz * 2.0 - 1.0;
+
+	return normal;
+}
+
+vec3 getPBR()
+{
+	vec3 pbr = vec3(inMetallicFactor, inRoughnessFactor, 0.0);
+
+	if (inMetallicRoughnessTextureIndex != -1)
+		pbr = texture(textures[uint(round(inMetallicRoughnessTextureIndex))], inUV).xyz;
+
+	return pbr;
+}
+
+void main()
+{
+	vec3 N = normalize(getNormal());
+	vec3 L = normalize(inLightVec);
+	vec3 V = normalize(inViewVec);
+	vec3 R = reflect(-L, N);
+	vec3 ambient = vec3(0.25);
+	vec3 diffuse = max(dot(N, L), 0.0) * vec3(0.75) * getPBR();
+	vec3 specular = pow(max(dot(R, V), 0.0), 16.0) * vec3(0.75);
+
+	vec4 base_color = getColor();
+	outFragColor = vec4(ambient * base_color.rgb + specular, base_color.a);
+}

shaders/dynamic_multisample_rasterization/model.vert

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+#version 450
+/* Copyright (c) 2024, Mobica Limited
+ *
+ * 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 inNormal;
+layout (location = 2) in vec2 inUV;
+
+layout (set = 0, binding = 0) uniform UBO {
+	mat4 projection;
+	mat4 view;
+} ubo;
+
+layout(push_constant) uniform Push_Constants {
+	mat4 model;
+
+	vec4 base_color_factor;
+	float metallic_factor;
+	float roughness_factor;
+
+	uint baseTextureIndex;
+	uint normalTextureIndex;
+	uint metallicRoughnessTextureIndex;
+} push_constants;
+
+layout (location = 0) out vec3 outNormal;
+layout (location = 1) out vec2 outUV;
+layout (location = 2) out vec3 outViewVec;
+layout (location = 3) out vec3 outLightVec;
+layout (location = 4) out vec4 outBaseColorFactor;
+layout (location = 5) out float outMetallicFactor;
+layout (location = 6) out float outRoughnessFactor;
+layout (location = 7) out uint outBaseTextureIndex;
+layout (location = 8) out uint outNormalTextureIndex;
+layout (location = 9) out uint outMetallicRoughnessTextureIndex;
+
+void main()
+{
+	outUV = inUV;
+	vec4 localPos = ubo.view * push_constants.model * vec4(inPos, 1.0);
+	gl_Position = ubo.projection * localPos;
+	outNormal = mat3(ubo.view * push_constants.model) * inNormal;
+	vec3 lightPos = vec3(10.0, -10.0, 10.0);
+	outLightVec = lightPos.xyz;
+	outViewVec = -localPos.xyz;
+	outBaseColorFactor = push_constants.base_color_factor;
+	outMetallicFactor = push_constants.metallic_factor;
+	outRoughnessFactor = push_constants.roughness_factor;
+	outBaseTextureIndex = push_constants.baseTextureIndex;
+	outNormalTextureIndex = push_constants.normalTextureIndex;
+	outMetallicRoughnessTextureIndex = push_constants.metallicRoughnessTextureIndex;
+}