1#!amber 2# Copyright 2019 The Amber Authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# https://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16SHADER vertex vert_shader PASSTHROUGH 17SHADER fragment frag_shader_red GLSL 18#version 430 19layout(location = 0) out vec4 color_out; 20void main() { 21 color_out = vec4(1.0, 0.0, 0.0, 1.0); 22} 23END 24SHADER fragment frag_shader_tex GLSL 25#version 430 26layout(location = 0) out vec4 color_out; 27uniform layout(set=0, binding=0, rgba8) readonly image2D texture; 28void main() { 29 ivec2 uv = ivec2(gl_FragCoord.xy); 30 color_out = imageLoad(texture, ivec2(gl_FragCoord.xy)); 31} 32END 33SHADER compute compute_shader GLSL 34#version 430 35layout(local_size_x=10,local_size_y=10) in; 36uniform layout (set=0, binding=0, rgba8) image2D texture; 37 38void main () { 39 ivec2 uv = ivec2(gl_GlobalInvocationID.xy); 40 vec4 color = imageLoad(texture, uv) + vec4(0, 1.0, 0, 0); 41 imageStore(texture, uv, color); 42} 43END 44 45BUFFER texture FORMAT R8G8B8A8_UNORM 46BUFFER framebuffer FORMAT B8G8R8A8_UNORM 47 48PIPELINE graphics pipeline1 49 ATTACH vert_shader 50 ATTACH frag_shader_red 51 FRAMEBUFFER_SIZE 256 256 52 BIND BUFFER texture AS color LOCATION 0 53END 54 55PIPELINE graphics pipeline2 56 ATTACH vert_shader 57 ATTACH frag_shader_tex 58 BIND BUFFER texture AS storage_image DESCRIPTOR_SET 0 BINDING 0 59 FRAMEBUFFER_SIZE 256 256 60 BIND BUFFER framebuffer AS color LOCATION 0 61END 62 63PIPELINE compute pipeline3 64 ATTACH compute_shader 65 BIND BUFFER texture AS storage_image DESCRIPTOR_SET 0 BINDING 0 66 FRAMEBUFFER_SIZE 256 256 67END 68 69CLEAR_COLOR pipeline1 0 0 255 255 70CLEAR pipeline1 71RUN pipeline1 DRAW_RECT POS 50 50 SIZE 100 100 72RUN pipeline3 5 5 1 73CLEAR_COLOR pipeline2 0 255 0 255 74CLEAR pipeline2 75RUN pipeline2 DRAW_RECT POS 20 20 SIZE 170 170 76 77EXPECT framebuffer IDX 1 1 SIZE 1 1 EQ_RGBA 0 255 0 255 78EXPECT framebuffer IDX 21 21 SIZE 1 1 EQ_RGBA 0 255 255 255 79EXPECT framebuffer IDX 51 51 SIZE 1 1 EQ_RGBA 255 0 0 255 80EXPECT framebuffer IDX 189 189 SIZE 1 1 EQ_RGBA 0 0 255 255 81