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Diffstat (limited to 'tests/cases/compute_mat2x4_row_major_col_major.amber')
| -rw-r--r-- | tests/cases/compute_mat2x4_row_major_col_major.amber | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/cases/compute_mat2x4_row_major_col_major.amber b/tests/cases/compute_mat2x4_row_major_col_major.amber new file mode 100644 index 0000000..210132c --- /dev/null +++ b/tests/cases/compute_mat2x4_row_major_col_major.amber @@ -0,0 +1,89 @@ +#!amber +# Copyright 2020 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. + +# Demonstrate reads and writes on row major and column major matrices. + +SHADER compute copy_vertex GLSL +#version 450 + +layout(set=0, binding=0) buffer A { + layout(column_major) mat2x4 mcols; + layout(row_major) mat2x4 mrows; +} inbound; + +layout(set=0, binding=1) buffer B { + vec4 first; + vec4 second; +} outbound; + +void main() { + outbound.first = inbound.mcols[1]; + outbound.second = inbound.mrows[1]; // Read is a gather + inbound.mcols[0] = inbound.mrows[0]; + inbound.mrows[1] = inbound.mcols[1]; // Write is a scatter +} +END + +BUFFER buf0 DATA_TYPE float DATA + + # Column major mcols. + + # first column + 00.0 01.0 02.0 03.0 + # second column + 10.0 11.0 12.0 13.0 + + # Row major + # first row + 100.0 110.0 + # second row + 101.0 111.0 + # third row + 102.0 112.0 + # fourth row + 103.0 113.0 +END + +BUFFER buf1 DATA_TYPE float DATA + # Initialize with garbage data. + -1.0 -1.0 -1.0 -1.0 + -2.0 -2.0 -2.0 -2.0 +END + +PIPELINE compute pipeline + ATTACH copy_vertex + BIND BUFFER buf0 AS storage DESCRIPTOR_SET 0 BINDING 0 + BIND BUFFER buf1 AS storage DESCRIPTOR_SET 0 BINDING 1 +END + +RUN pipeline 1 1 1 + +# Check the column vectors we copied out. +# From inbound.mcols[1] +EXPECT buf1 IDX 0 EQ 10.0 11.0 12. 13.0 +# From inbound.mrows[1] +# Did a gather from mrows[1] to collect these values before writing them out. +EXPECT buf1 IDX 16 EQ 110.0 111.0 112. 113.0 + +# Check the contents of inbound.mcols +EXPECT buf0 IDX 0 EQ 100.0 101.0 102.0 103.0 # Did a gather from mrows[0] +EXPECT buf0 IDX 16 EQ 10.0 11.0 12.0 13.0 # Second column is unchanged +# Check the conents of inbound.mrows +# Writing to second column of row major is a scatter operation +EXPECT buf0 IDX 32 EQ 100.0 10.0 +EXPECT buf0 IDX 40 EQ 101.0 11.0 +EXPECT buf0 IDX 48 EQ 102.0 12.0 +EXPECT buf0 IDX 56 EQ 103.0 13.0 + |