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72 lines
2.7 KiB
72 lines
2.7 KiB
4 months ago
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drawElements Quality Program Test Specification
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-----------------------------------------------
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Copyright 2014 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-------------------------------------------------------------------------
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Integer operator tests
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Tests:
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+ dEQP-GLES3.functional.shaders.operator.unary_operator.*.*_int_*
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+ dEQP-GLES3.functional.shaders.operator.unary_operator.*.*_ivec_*
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+ dEQP-GLES3.functional.shaders.operator.unary_operator.*.*_uint_*
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+ dEQP-GLES3.functional.shaders.operator.unary_operator.*.*_uvec_*
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+ dEQP-GLES3.functional.shaders.operator.binary_operator.*.*_int_*
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+ dEQP-GLES3.functional.shaders.operator.binary_operator.*.*_ivec_*
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+ dEQP-GLES3.functional.shaders.operator.binary_operator.*.*_uint_*
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+ dEQP-GLES3.functional.shaders.operator.binary_operator.*.*_uvec_*
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Includes:
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+ Integer scalar and vector unary operators:
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- plus
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- minus
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- bitwise not
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+ Integer scalar and vector binary operators:
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- add
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- sub
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- mul
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- div
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- mod
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- bitwise and
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- bitwise or
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- bitwise xor
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- less
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- less or equal
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- greater
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- greater or equal
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- equal
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- not equal
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+ Scalar-scalar, vector-vector and vector-scalar binary operators
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+ Lowp, mediump operands where behaviour is well-defined
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+ Highp operands
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Excludes:
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+ Integer type range and bitlayout verification
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- Will be tested in later type range and storage tests
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Description:
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Integer test cases use shader rendering test framework. Depending on case type
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(vertex or fragment) a single quad or a tight grid of quads is rendered with
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the shader program that is being tested. Results are compared against a reference.
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Reference image is rendered using a C reference of the shader. A fuzzy comparison
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is used to allow small deviations due to fragment input interpolation.
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Integer operator test shaders use floating-point attributes or varyings converted
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to integers as operands. The value range is chosen based on precision. Results
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from the operation are casted back to floating-point values and scaled to range
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0..1. The resulting scalar or vector value is then written out as vertex or
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fragment color.
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