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52 lines
2.1 KiB
52 lines
2.1 KiB
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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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Blend Equation Advanced (GL_KHR_blend_equation_advanced)
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Tests:
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+ dEQP-GLES31.functional.blend_equation_advanced.*
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Includes:
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+ Validation of all advanced blending modes
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+ Rendering into default framebuffer
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+ Rendering into sRGB FBO
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+ Rendering into MSAA FBO
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+ glBlendBarrierKHR() usage
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+ Validation of coherent blending (if supported)
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Excludes (will be added later):
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+ Use of blend_support_all qualifier
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+ Interaction with other per-fragment operations
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+ Non-premultiplied / invalid color inputs
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+ Negative tests
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Description:
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Advanced blending tests render two or more overlapping quads. First quad is
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rendered without blending, while subsequent quads have the advanced blend mode
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enabled. Results are always verified against a reference implementation. In
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modes other than HSL, bilinear comparison is used. in HSL modes fuzzy
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comparison is used as minor precision differences can cause relatively large
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deviations in rendered images.
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In basic, srgb, and msaa tests, only two quads are rendered. In barrier tests
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multiple quads are rendered, one quad per draw call. A blend barrier call is
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made between each overlapping quad with advanced blending enabled. In coherent
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and coherent_msaa tests all quads that have blending enabled are rendered in a
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single draw call.
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