53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
# Copyright 2019 Google LLC.
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# Copyright 2019 The Khronos Group Inc.
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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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# https://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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[vertex shader]
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#version 430
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layout(location = 0) in vec4 position_in;
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layout(location = 1) in vec4 color_in;
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layout(location = 0) flat out vec4 color_out;
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void main() {
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gl_Position = position_in;
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color_out = color_in;
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}
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[fragment shader]
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#version 430
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layout(location = 0) flat in vec4 color_in;
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layout(location = 0) out vec4 color_out;
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void main() {
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color_out = color_in;
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}
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[vertex data]
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# Provoking vertices are all red.
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0/R32G32B32_SFLOAT 1/R8G8B8A8_UNORM
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-1.0 -0.5 0.0 255 0 0 255 # line 0
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1.0 -0.5 0.0 0 255 0 255
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-1.0 0.5 0.0 255 0 0 255 # line 1
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1.0 0.5 0.0 0 255 0 255
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[test]
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# Clear color buffer to red and check the drawing doesn't
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# add any other colors from non-provoking vertices.
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clear color 255 0 0 255
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clear
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draw arrays LINE_LIST 0 4
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probe all rgb 1.0, 0.0, 0.0
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