2019-11-23 20:27:39 +08:00
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/****************************************************************************
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Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
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2022-10-01 16:24:52 +08:00
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https://axmolengine.github.io/
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2019-11-23 20:27:39 +08:00
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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#include "DepthStencilStateGL.h"
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2023-06-11 13:08:08 +08:00
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#include "platform/GL.h"
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2019-11-23 20:27:39 +08:00
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2021-07-07 13:52:56 +08:00
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#include "renderer/backend/opengl/MacrosGL.h"
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2019-11-23 20:27:39 +08:00
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#include "renderer/backend/opengl/UtilsGL.h"
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2023-08-13 22:09:02 +08:00
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#include "OpenGLState.h"
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2019-11-23 20:27:39 +08:00
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2022-07-11 17:50:21 +08:00
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NS_AX_BACKEND_BEGIN
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2019-11-23 20:27:39 +08:00
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void DepthStencilStateGL::reset()
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{
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__gl->disableDepthTest();
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__gl->disableStencilTest();
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2019-11-23 20:27:39 +08:00
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}
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void DepthStencilStateGL::apply(unsigned int stencilReferenceValueFront, unsigned int stencilReferenceValueBack) const
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{
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2021-04-22 22:01:47 +08:00
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const auto dsFlags = _depthStencilInfo.flags;
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2019-11-23 20:27:39 +08:00
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// depth test
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2021-04-22 22:01:47 +08:00
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if (bitmask::any(dsFlags, DepthStencilFlags::DEPTH_TEST))
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__gl->enableDepthTest();
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2019-11-23 20:27:39 +08:00
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else
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__gl->disableDepthTest();
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2023-08-13 22:09:02 +08:00
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__gl->depthMask(bitmask::any(dsFlags, DepthStencilFlags::DEPTH_WRITE));
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__gl->depthFunc(UtilsGL::toGLComareFunction(_depthStencilInfo.depthCompareFunction));
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2020-09-22 16:32:17 +08:00
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// stencil test
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if (bitmask::any(dsFlags, DepthStencilFlags::STENCIL_TEST))
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{
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__gl->enableStencilTest();
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if (_isBackFrontStencilEqual)
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{
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__gl->stencilFunc(UtilsGL::toGLComareFunction(_depthStencilInfo.frontFaceStencil.stencilCompareFunction),
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(GLint)stencilReferenceValueFront, _depthStencilInfo.frontFaceStencil.readMask);
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__gl->stencilOp(UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.stencilFailureOperation),
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UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.depthFailureOperation),
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UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.depthStencilPassOperation));
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__gl->stencilMask(_depthStencilInfo.frontFaceStencil.writeMask);
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}
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else
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{
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__gl->stencilFuncFront(UtilsGL::toGLComareFunction(_depthStencilInfo.backFaceStencil.stencilCompareFunction),
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(GLint)stencilReferenceValueBack, _depthStencilInfo.backFaceStencil.readMask);
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__gl->stencilFuncBack(UtilsGL::toGLComareFunction(_depthStencilInfo.frontFaceStencil.stencilCompareFunction),
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(GLint)stencilReferenceValueFront, _depthStencilInfo.frontFaceStencil.readMask);
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__gl->stencilOpFront(
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UtilsGL::toGLStencilOperation(_depthStencilInfo.backFaceStencil.stencilFailureOperation),
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2020-09-22 16:32:17 +08:00
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UtilsGL::toGLStencilOperation(_depthStencilInfo.backFaceStencil.depthFailureOperation),
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UtilsGL::toGLStencilOperation(_depthStencilInfo.backFaceStencil.depthStencilPassOperation));
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__gl->stencilOpBack(
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UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.stencilFailureOperation),
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UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.depthFailureOperation),
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UtilsGL::toGLStencilOperation(_depthStencilInfo.frontFaceStencil.depthStencilPassOperation));
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2023-08-13 22:09:02 +08:00
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__gl->stencilMaskBack(_depthStencilInfo.backFaceStencil.writeMask);
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__gl->stencilMaskFront(_depthStencilInfo.frontFaceStencil.writeMask);
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2019-11-23 20:27:39 +08:00
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}
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}
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2020-09-22 16:32:17 +08:00
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else
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__gl->disableStencilTest();
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2020-09-22 16:32:17 +08:00
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2019-11-23 20:27:39 +08:00
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CHECK_GL_ERROR_DEBUG();
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}
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2022-07-11 17:50:21 +08:00
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NS_AX_BACKEND_END
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