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#!amber
# Copyright 2020 The Amber Authors.
#
# 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
#
# https://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.
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL
#version 430
layout(location = 0) out vec4 color_out;
uniform layout(set=0, binding=0) samplerBuffer texels;
void main()
{
color_out = texelFetch(texels, int(gl_FragCoord.x) % 4);
}
END
BUFFER texel_buffer DATA_TYPE R8G8B8A8_UNORM DATA
255 0 0 255
0 255 0 255
0 0 255 255
0 255 255 255
END
BUFFER framebuffer FORMAT B8G8R8A8_UNORM
PIPELINE graphics pipeline
ATTACH vert_shader
ATTACH frag_shader
BIND BUFFER texel_buffer AS uniform_texel_buffer DESCRIPTOR_SET 0 BINDING 0
FRAMEBUFFER_SIZE 256 256
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR pipeline 0 0 255 255
CLEAR pipeline
RUN pipeline DRAW_RECT POS 50 50 SIZE 100 100
EXPECT framebuffer IDX 50 50 SIZE 1 100 EQ_RGBA 0 0 255 255
EXPECT framebuffer IDX 51 50 SIZE 1 100 EQ_RGBA 0 255 255 255
EXPECT framebuffer IDX 52 50 SIZE 1 100 EQ_RGBA 255 0 0 255
EXPECT framebuffer IDX 53 50 SIZE 1 100 EQ_RGBA 0 255 0 255
EXPECT framebuffer IDX 54 50 SIZE 1 100 EQ_RGBA 0 0 255 255
EXPECT framebuffer IDX 55 50 SIZE 1 100 EQ_RGBA 0 255 255 255
EXPECT framebuffer IDX 56 50 SIZE 1 100 EQ_RGBA 255 0 0 255
EXPECT framebuffer IDX 57 50 SIZE 1 100 EQ_RGBA 0 255 0 255
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