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67 lines
1.8 KiB
67 lines
1.8 KiB
#!amber
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# Copyright 2020 The Amber Authors.
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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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SHADER vertex vtex_shader GLSL
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#version 430
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layout(location = 0) in vec2 position;
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layout(location = 0) out vec4 color_out;
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void main()
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{
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gl_Position = vec4(position.x + float(gl_InstanceIndex) * 0.5, position.y, 0, 1);
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vec4 colors[4];
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colors[0] = vec4(1, 0, 0, 1);
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colors[1] = vec4(0, 1, 0, 1);
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colors[2] = vec4(0, 0, 1, 1);
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colors[3] = vec4(0, 1, 1, 1);
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color_out = colors[gl_InstanceIndex];
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}
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END
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SHADER fragment frag_shader GLSL
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#version 430
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layout(location = 0) 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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{
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color_out = color_in;
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}
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END
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BUFFER position_buf DATA_TYPE vec2<float> DATA
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-1.0 1.0
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-1.0 -1.0
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-0.5 1.0
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-0.5 -1.0
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-1.0 -1.0
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-0.5 1.0
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END
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BUFFER framebuffer FORMAT B8G8R8A8_UNORM
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PIPELINE graphics pipeline
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ATTACH vtex_shader
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ATTACH frag_shader
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VERTEX_DATA position_buf LOCATION 0
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FRAMEBUFFER_SIZE 40 40
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BIND BUFFER framebuffer AS color LOCATION 0
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END
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RUN pipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 6 START_INSTANCE 0 INSTANCE_COUNT 4
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EXPECT framebuffer IDX 0 0 SIZE 10 40 EQ_RGBA 255 0 0 255
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EXPECT framebuffer IDX 10 0 SIZE 10 40 EQ_RGBA 0 255 0 255
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EXPECT framebuffer IDX 20 0 SIZE 10 40 EQ_RGBA 0 0 255 255
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EXPECT framebuffer IDX 30 0 SIZE 10 40 EQ_RGBA 0 255 255 255
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