| #!amber |
| # Copyright 2020 The Amber Authors. |
| # Copyright 2020 The Google LLC |
| # |
| # 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 GLSL |
| #version 430 |
| |
| layout(location = 0) in vec4 position; |
| layout(location = 1) out vec4 frag_color; |
| |
| void main() { |
| gl_Position = position; |
| frag_color = position * 0.5; |
| } |
| END |
| |
| SHADER fragment frag_shader GLSL |
| #version 430 |
| layout(location = 0) out vec4 color_out; |
| layout(location = 1) in vec4 frag_color; |
| void main() { |
| ivec2 iv = ivec2(frag_color.xy * 256); |
| if (((iv.y / 2) & 64) == 64) |
| color_out = vec4(1, 0, 0, 1); |
| else |
| color_out = vec4(0, 1, 1, 1); |
| } |
| END |
| |
| BUFFER framebuffer FORMAT B8G8R8A8_UNORM |
| |
| PIPELINE graphics my_pipeline |
| ATTACH vert_shader |
| ATTACH frag_shader |
| BIND BUFFER framebuffer AS color LOCATION 0 |
| END |
| |
| RUN my_pipeline DRAW_RECT POS 0 0 SIZE 250 250 |
| EXPECT framebuffer IDX 0 220 SIZE 30 30 EQ_RGBA 0 255 255 255 |
| EXPECT framebuffer IDX 0 0 SIZE 30 30 EQ_RGBA 255 0 0 255 |
| |
