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Diffstat (limited to 'tests/cases/compute_one_buffer_in_multiple_bindings.amber')
-rw-r--r-- | tests/cases/compute_one_buffer_in_multiple_bindings.amber | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tests/cases/compute_one_buffer_in_multiple_bindings.amber b/tests/cases/compute_one_buffer_in_multiple_bindings.amber new file mode 100644 index 0000000..d16bda5 --- /dev/null +++ b/tests/cases/compute_one_buffer_in_multiple_bindings.amber @@ -0,0 +1,94 @@ +#!amber +# Copyright 2021 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 compute compute_shader GLSL +#version 430 + +layout(set = 0, binding = 0) uniform uniform_0 { + vec4 uniform_data_0; +}; +layout(set = 0, binding = 1) buffer block_0 { + vec4 storage_data_0; +}; + +layout(set = 1, binding = 0) uniform uniform_1 { + vec4 uniform_data_1; +}; +layout(set = 1, binding = 1) buffer block_1 { + vec4 storage_data_1; +}; + +uniform layout(set = 2, binding = 0, rgba32f) imageBuffer texelBuffer; +uniform layout(set = 2, binding = 1) samplerBuffer texelsIn; + +void main() { + // Verify that the uniform and storage buffers have the same contents and multiply by 2 if true) + if (uniform_data_0 == storage_data_0) { + storage_data_0 = storage_data_0 * 2; + } + if (uniform_data_1 == storage_data_1) { + storage_data_1 = storage_data_1 * 2; + } + + // Load values from index 1 using storage texel buffer. + vec4 texel = imageLoad(texelBuffer, 1); + + // Load values from index 2 using uniform texel buffer. + vec4 color = texelFetch(texelsIn, 2); + + // Store values to index 3. + imageStore(texelBuffer, 3, texel + color); +} +END + +# The Vulkan spec lists the maximum value of minStorageBufferOffsetAlignment +# (i.e. the maximum possible alignment requirement) as 256 bytes. +# Meaningful data is placed at this offset. +BUFFER buf0 DATA_TYPE R32G32B32A32_SFLOAT DATA +1.0 2.0 3.0 4.0 +0.1 0.2 0.3 0.4 +0.5 0.6 0.7 0.8 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +0.0 0.0 0.0 0.0 +5.0 6.0 7.0 8.0 +END + +PIPELINE compute pipeline + ATTACH compute_shader + + BIND BUFFER buf0 AS uniform DESCRIPTOR_SET 0 BINDING 0 + BIND BUFFER buf0 AS storage DESCRIPTOR_SET 0 BINDING 1 + BIND BUFFER buf0 AS uniform DESCRIPTOR_SET 1 BINDING 0 DESCRIPTOR_OFFSET 256 + BIND BUFFER buf0 AS storage DESCRIPTOR_SET 1 BINDING 1 DESCRIPTOR_OFFSET 256 + BIND BUFFER buf0 AS storage_texel_buffer DESCRIPTOR_SET 2 BINDING 0 + BIND BUFFER buf0 AS uniform_texel_buffer DESCRIPTOR_SET 2 BINDING 1 +END + +RUN pipeline 1 1 1 + +EXPECT buf0 IDX 0 EQ 2.0 4.0 6.0 8.0 # Values written to the first storage buffer binding +EXPECT buf0 IDX 48 EQ 0.6 0.8 1.0 1.2 # Values written to the storage texel buffer binding +EXPECT buf0 IDX 256 EQ 10.0 12.0 14.0 16.0 # Values written to the second storage buffer binding |