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105 lines
4.7 KiB
105 lines
4.7 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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-------------------------------------------------------------------------
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GL_EXT_primitive_bounding_box extension tests
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Tests:
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+ dEQP-GLES31.functional.primitive_bounding_box.*
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Includes:
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+ State query tests
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+ Primitive render tests
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- All basic primitives: triangles, (wide) lines, (wide) points
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- Set bounding box with gl_BoundingBoxEXT and PrimitiveBoundingBoxEXT
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- Rendering with and without tessellation and/or geometry stages
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- Rendering with correct, too large, and too small bounding boxes
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+ Depth render tests
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- Render pattern and hint the final depth range with bounding box
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- Test with built-in depth and user defined (gl_FragDepth) depth
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+ Blit tests
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- Blit should not be affected by the bounding box
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+ Clear tests
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- Clears should not be affected by the bounding box
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Excludes:
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+ Special floating point values (NaN, Inf, etc.)
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+ Rendering with separate shader pipelines
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+ Rendering discardable geometry with fragment shaders that have
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side-effects (memory writes)
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+ Rendering discardable geometry with active transform feedback
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Description:
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state_query.* cases test the global PRIMITIVE_BOUNDING_BOX_EXT state.
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Tests set the state to certain values and then query the state using
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different methods.
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triangles.*, (wide_)lines.*, (wide_)points.* cases set the primitive
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bounding box and render a test pattern. Rendering results within the
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bounding box are then verified.
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"global_state.*" cases set the bounding box of the whole test pattern
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using the PRIMITIVE_BOUNDING_BOX_EXT state. "tessellation_set_per_draw.*"
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cases set the bounding box of the whole test pattern using
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gl_BoundingBoxEXT output variable. "tessellation_set_per_draw.*" cases
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set the bounding box for each (tessellation input) primitive separately.
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"*_bbox_equal" cases set the bounding box to tightly cover the primitive
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or the whole pattern. In "*_bbox_larger" cases, the bounding box is set
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to be larger than the rendered pattern/primitive and in "*_bbox_smaller"
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cases, the bounding box is set to cover only a subset of the pattern.
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In these subset cases, only the area covered by the bounding box is
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verified.
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triangles.* cases render a grid with yellow and green cells. Cells are
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in random order. Result image verification is done by simply checking
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that the viewport does not contain any background-colored pixels within
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the pattern area.
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(wide_)points.* cases render a pattern of green and blue points.
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Verification checks that no points within the bounding box area are
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missing and have the correct size. Size test is intended to prevent
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partially rendered points from passing the test.
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(wide_)lines.* cases render a pattern of green and blue lines.
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Verification checks the number and the width of separate lines within
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bounding box area. Number-of-lines check prevents accepting rendering
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results with missing lines and the line width check prevents accepting
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partially rendered lines.
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depth.* cases render multiple layers with varying depth values while
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hint the resulting depth range with primitive bounding box. In
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"builtin_depth.*" cases, depth is set by the rasterizer. In
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"user_defined_depth.*" cases, depth is set in the fragment shader using
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gl_FragDepth. Verification checks that only the topmost layer is visible.
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blit_fbo.* cases do framebuffer blits with different bounding box values.
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Bounding box values should not affect blitting.
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clear.* cases do full and scissored framebuffer clears. Since clears are
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not affected by the bounding box, verification is done by simply comparing
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rendering result with bounding box set to cover full viewport and rendering
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result with bounding box set to arbitrary values. In *_with_triangles cases,
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some geometry is rendered between clears with properly set bounding box.
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call_order.* cases render a scene with different relative order of
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glViewport and glPrimitiveBoundingBox. Tests verify that the bounding box
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for a draw command is calculated from the current state when draw command
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is issued (i.e. changing call order of state setting functions does not
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change ther result).
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