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Vulkan-Samples/shaders/texture_loading/glsl/texture.vert
T
2025-09-04 10:54:47 +08:00

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GLSL

#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 vec2 inUV;
layout (location = 2) in vec3 inNormal;
layout (binding = 0) uniform UBO
{
mat4 projection;
mat4 model;
vec4 viewPos;
float lodBias;
} ubo;
layout (location = 0) out vec2 outUV;
layout (location = 1) out float outLodBias;
layout (location = 2) out vec3 outNormal;
layout (location = 3) out vec3 outViewVec;
layout (location = 4) out vec3 outLightVec;
out gl_PerVertex
{
vec4 gl_Position;
};
void main()
{
outUV = inUV;
outLodBias = ubo.lodBias;
vec3 worldPos = vec3(ubo.model * vec4(inPos, 1.0));
gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
vec4 pos = ubo.model * vec4(inPos, 1.0);
outNormal = mat3(inverse(transpose(ubo.model))) * inNormal;
vec3 lightPos = vec3(0.0);
vec3 lPos = mat3(ubo.model) * lightPos.xyz;
outLightVec = lPos - pos.xyz;
outViewVec = ubo.viewPos.xyz - pos.xyz;
}