draw_rect_timed_execution.amber

#!amber
# Copyright 2024 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() {
  float x = gl_FragCoord.x;
  // Small busy loop.
  // x final result will be zero.
  for(int i= 0;i <10;i++) {
    x = x*0.00001;
  }
  color_out = vec4(x, 0.0, 0.0, 1.0);
}
END

BUFFER framebuffer FORMAT B8G8R8A8_UNORM

PIPELINE graphics my_pipeline
  ATTACH vert_shader
  ATTACH frag_shader
  FRAMEBUFFER_SIZE 1024 1024
  BIND BUFFER framebuffer AS color LOCATION 0
END

RUN TIMED_EXECUTION my_pipeline DRAW_RECT POS 0 0 SIZE 1024 1024
EXPECT framebuffer IDX 0 0 SIZE 1024 1024 EQ_RGBA 0 0 0 255