7f7c2ed780
This PR adds the ability to offset sampler, texture, and UBO bindings from provided base bindings, and to auto-number bindings that are not provided with explicit register numbers. The mechanism works as follows: - Offsets may be given on the command line for all stages, or individually for one or more single stages, in which case the offset will be auto-selected according to the stage being compiled. There is also an API to set them. The new command line options are --shift-sampler-binding, --shift-texture-binding, and --shift-UBO-binding. - Uniforms which are not given explicit bindings in the source code are auto-numbered if and only if they are in live code as determined by the algorithm used to build the reflection database, and the --auto-map-bindings option is given. This auto-numbering avoids using any binding slots which were explicitly provided in the code, whether or not that explicit use was live. E.g, "uniform Texture1D foo : register(t3);" with --shift-texture-binding 10 will reserve binding 13, whether or not foo is used in live code. - Shorter synonyms for the command line options are available. See the --help output. The testing infrastructure is slightly extended to allow use of the binding offset API, and two new tests spv.register.(no)autoassign.frag are added for comparing the resulting SPIR-V.
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//
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//Copyright (C) 2016 LunarG, Inc.
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//
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//All rights reserved.
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//
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//Redistribution and use in source and binary forms, with or without
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//modification, are permitted provided that the following conditions
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//are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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//POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _IOMAPPER_INCLUDED
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#define _IOMAPPER_INCLUDED
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#include "../Public/ShaderLang.h"
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//
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// A reflection database and its interface, consistent with the OpenGL API reflection queries.
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//
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namespace glslang {
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class TIntermediate;
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// I/O mapper
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class TIoMapper {
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public:
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TIoMapper() {}
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virtual ~TIoMapper() {}
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// grow the reflection stage by stage
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bool addStage(EShLanguage, TIntermediate&);
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};
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} // end namespace glslang
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#endif // _IOMAPPER_INCLUDED
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