#!amber
# Copyright 2019 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;
void main() {
  color_out = vec4(0.0, 0.5, 0.0, 0.8);
}
END

BUFFER framebuffer FORMAT B8G8R8A8_UNORM

PIPELINE graphics my_pipeline
  ATTACH vert_shader
  ATTACH frag_shader
  FRAMEBUFFER_SIZE 800 600
  BIND BUFFER framebuffer AS color LOCATION 0
END
DERIVE_PIPELINE pipeline2 FROM my_pipeline
END
DERIVE_PIPELINE pipeline3 FROM my_pipeline
END

RUN my_pipeline DRAW_RECT POS 0 0 SIZE 250 250
RUN pipeline2 DRAW_RECT POS 250 250 SIZE 250 250
RUN pipeline3 DRAW_RECT POS 0 250 SIZE 250 250

EXPECT framebuffer IDX 250 250 SIZE 250 250 EQ_RGBA 0 127 0 204
EXPECT framebuffer IDX 0 0 SIZE 250 250 EQ_RGBA 0 127 0 204
EXPECT framebuffer IDX 0 250 SIZE 250 250 EQ_RGBA 0 127 0 204