| // Copyright 2017 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/native/opengl/PersistentPipelineStateGL.h" |
| |
| #include "dawn/native/opengl/OpenGLFunctions.h" |
| |
| namespace dawn::native::opengl { |
| |
| void PersistentPipelineState::SetDefaultState(const OpenGLFunctions& gl) { |
| CallGLStencilFunc(gl); |
| } |
| |
| void PersistentPipelineState::SetStencilFuncsAndMask(const OpenGLFunctions& gl, |
| GLenum stencilBackCompareFunction, |
| GLenum stencilFrontCompareFunction, |
| uint32_t stencilReadMask) { |
| if (mStencilBackCompareFunction == stencilBackCompareFunction && |
| mStencilFrontCompareFunction == stencilFrontCompareFunction && |
| mStencilReadMask == stencilReadMask) { |
| return; |
| } |
| |
| mStencilBackCompareFunction = stencilBackCompareFunction; |
| mStencilFrontCompareFunction = stencilFrontCompareFunction; |
| mStencilReadMask = stencilReadMask; |
| CallGLStencilFunc(gl); |
| } |
| |
| void PersistentPipelineState::SetStencilReference(const OpenGLFunctions& gl, |
| uint32_t stencilReference) { |
| if (mStencilReference == stencilReference) { |
| return; |
| } |
| |
| mStencilReference = stencilReference; |
| CallGLStencilFunc(gl); |
| } |
| |
| void PersistentPipelineState::CallGLStencilFunc(const OpenGLFunctions& gl) { |
| gl.StencilFuncSeparate(GL_BACK, mStencilBackCompareFunction, mStencilReference, |
| mStencilReadMask); |
| gl.StencilFuncSeparate(GL_FRONT, mStencilFrontCompareFunction, mStencilReference, |
| mStencilReadMask); |
| } |
| |
| } // namespace dawn::native::opengl |