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58 lines
2.1 KiB
58 lines
2.1 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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Primitive restart tests
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Tests:
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+ dEQP-GLES3.functional.primitive_restart.*
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Includes:
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+ Draw using:
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- glDrawElements()
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- glDrawElementsInstanced()
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- glDrawRangeElements()
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+ All primitive types
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+ All index types
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+ Primitive restart index placing special cases:
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- Use/don't use two consecutive primitive restarts
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- Restarts/no restarts as first value of index array
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- Restarts/no restarts as last value of index array
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- Combinations of above
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Excludes:
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+ Test for correctness of rasterization
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Description:
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Vertex positions and indices are generated such that multiple primitives are
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defined with the same index array, using the fixed primitive restart index to
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separate the primitives. Various sizes (in terms of index count between
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restarts) of primitives are generated.
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Special cases are generated such that there are indices at the beginning or end
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of the index array, or the index array contains two consecutive restarts
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where there would normally be one. These cases are otherwise equivalent and
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should render identically.
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For glDrawElementsInstanced(), an instance count of 1 is used. For
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glDrawRangeElements(), the start parameter is 0, and the end parameter is the
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largest non-restart index in the index array.
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The result is compared to an image produced by doing multiple ordinary draw
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calls instead of using primitive restarts.
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