59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#include "dawn_native/opengl/PersistentPipelineStateGL.h"
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#include "dawn_native/opengl/OpenGLFunctions.h"
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namespace dawn_native { namespace opengl {
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void PersistentPipelineState::SetDefaultState(const OpenGLFunctions& gl) {
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CallGLStencilFunc(gl);
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}
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void PersistentPipelineState::SetStencilFuncsAndMask(const OpenGLFunctions& gl,
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GLenum stencilBackCompareFunction,
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GLenum stencilFrontCompareFunction,
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uint32_t stencilReadMask) {
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if (mStencilBackCompareFunction == stencilBackCompareFunction &&
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mStencilFrontCompareFunction == stencilFrontCompareFunction &&
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mStencilReadMask == stencilReadMask) {
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return;
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}
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mStencilBackCompareFunction = stencilBackCompareFunction;
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mStencilFrontCompareFunction = stencilFrontCompareFunction;
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mStencilReadMask = stencilReadMask;
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CallGLStencilFunc(gl);
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}
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void PersistentPipelineState::SetStencilReference(const OpenGLFunctions& gl,
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uint32_t stencilReference) {
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if (mStencilReference == stencilReference) {
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return;
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}
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mStencilReference = stencilReference;
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CallGLStencilFunc(gl);
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}
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void PersistentPipelineState::CallGLStencilFunc(const OpenGLFunctions& gl) {
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gl.StencilFuncSeparate(GL_BACK, mStencilBackCompareFunction, mStencilReference,
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mStencilReadMask);
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gl.StencilFuncSeparate(GL_FRONT, mStencilFrontCompareFunction, mStencilReference,
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mStencilReadMask);
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}
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}} // namespace dawn_native::opengl
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