| #!amber |
| # Copyright 2020 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 |
| # |
| # http://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 compute compute_shader GLSL |
| #version 430 |
| layout(local_size_x=10, local_size_y=10) in; |
| uniform layout (set=0, binding=0, r11f_g11f_b10f) image2D texture; |
| |
| void main () |
| { |
| ivec2 uv = ivec2(gl_GlobalInvocationID.xy); |
| vec4 color = vec4(uv.x - uv.y, uv.y, -uv.y, 1); |
| imageStore(texture, uv, color); |
| } |
| END |
| |
| SHADER compute compute_shader_verify GLSL |
| #version 430 |
| layout(local_size_x=1, local_size_y=1) in; |
| uniform layout (set=0, binding=0, r11f_g11f_b10f) image2D texture; |
| layout(binding = 1) buffer Buf1 |
| { |
| int result; |
| }; |
| |
| void main () |
| { |
| result = 1; |
| |
| for (int y = 0; y < 50; y++) |
| for (int x = 0; x < 50; x++) |
| { |
| ivec2 uv = ivec2(x, y); |
| vec4 color = imageLoad(texture, uv); |
| // Conversion to tiny float should clamp negative values to zero, |
| // thus the max operation here. |
| vec4 ref = max(vec4(uv.x - uv.y, uv.y, -uv.y, 1), vec4(0)); |
| |
| if (color != ref) |
| result = 0; |
| } |
| } |
| END |
| |
| IMAGE texture FORMAT B10G11R11_UFLOAT_PACK32 DIM_2D WIDTH 50 HEIGHT 50 FILL 0 |
| BUFFER result DATA_TYPE int32 SIZE 1 FILL 0 |
| |
| PIPELINE compute pipeline |
| ATTACH compute_shader |
| BIND BUFFER texture AS storage_image DESCRIPTOR_SET 0 BINDING 0 |
| END |
| |
| PIPELINE compute verify |
| ATTACH compute_shader_verify |
| BIND BUFFER texture AS storage_image DESCRIPTOR_SET 0 BINDING 0 |
| BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1 |
| END |
| |
| RUN pipeline 5 5 1 |
| RUN verify 1 1 1 |
| EXPECT result IDX 0 EQ 1 |