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_mipclear PASSTHROUGH 17 18SHADER vertex vert_shader_tex GLSL 19#version 430 20 21layout(location = 0) in vec3 position_in; 22layout(location = 0) out vec4 color_out; 23layout(set = 0, binding = 0) uniform highp sampler2D tex; 24 25void main() { 26 gl_Position = vec4(position_in, 1.0); 27 color_out = vec4(texture(tex, vec2(0.5))); 28} 29END 30 31SHADER fragment frag_shader GLSL 32#version 430 33 34layout(location = 0) in vec4 color_in; 35layout(location = 0) out vec4 color_out; 36 37void main() { 38 color_out = color_in; 39} 40END 41 42BUFFER texture FORMAT B8G8R8A8_UNORM MIP_LEVELS 2 43BUFFER framebuffer FORMAT B8G8R8A8_UNORM 44SAMPLER sampler MAX_LOD 2.0 45 46PIPELINE graphics mipclear_pipeline0 47 ATTACH vert_shader_mipclear 48 ATTACH frag_shader 49 BIND BUFFER texture AS color LOCATION 0 BASE_MIP_LEVEL 0 50 FRAMEBUFFER_SIZE 512 512 51END 52 53PIPELINE graphics mipclear_pipeline1 54 ATTACH vert_shader_mipclear 55 ATTACH frag_shader 56 BIND BUFFER texture AS color LOCATION 0 BASE_MIP_LEVEL 1 57 FRAMEBUFFER_SIZE 256 256 58END 59 60PIPELINE graphics tex_pipeline 61 ATTACH vert_shader_tex 62 ATTACH frag_shader 63 BIND BUFFER texture AS combined_image_sampler SAMPLER sampler DESCRIPTOR_SET 0 BINDING 0 BASE_MIP_LEVEL 1 64 BIND BUFFER framebuffer AS color LOCATION 0 65 FRAMEBUFFER_SIZE 512 512 66END 67 68CLEAR_COLOR mipclear_pipeline0 255 0 0 255 69CLEAR mipclear_pipeline0 70CLEAR_COLOR mipclear_pipeline1 0 255 0 255 71CLEAR mipclear_pipeline1 72 73CLEAR_COLOR tex_pipeline 0 0 0 255 74CLEAR tex_pipeline 75RUN tex_pipeline DRAW_RECT POS 0 0 SIZE 512 512 76 77# Check corners of the frame buffer: each should have a color from mip level 1 78EXPECT framebuffer IDX 0 511 SIZE 1 1 EQ_RGBA 0 255 0 255 79EXPECT framebuffer IDX 511 0 SIZE 1 1 EQ_RGBA 0 255 0 255 80EXPECT framebuffer IDX 511 511 SIZE 1 1 EQ_RGBA 0 255 0 255 81EXPECT framebuffer IDX 0 0 SIZE 1 1 EQ_RGBA 0 255 0 255 82