38 lines
2.1 KiB
C++
38 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016, The Linux Foundation. All rights reserved.
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* Not a Contribution.
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*
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* Copyright 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const char* fullscreen_vertex_shader = " "
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"#version 300 es \n"
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"precision highp float; \n"
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"layout(location = 0) in vec2 iUV; \n"
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"out vec2 uv; \n"
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"void main() \n"
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"{ \n"
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" vec2 positions[3]; \n"
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" positions[0] = vec2(-1.0f, 3.0f); \n"
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" positions[1] = vec2(-1.0f, -1.0f); \n"
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" positions[2] = vec2(3.0f, -1.0f); \n"
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" vec2 uvs[3]; \n"
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" uvs[0] = vec2(0.0f, -1.0f); \n"
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" uvs[1] = vec2(0.0f, 1.0f); \n"
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" uvs[2] = vec2(2.0f, 1.0f); \n"
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" gl_Position = vec4(positions[gl_VertexID], -1.0f, 1.0f); \n"
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" uv = uvs[gl_VertexID]; \n"
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"} \n";
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