blob: 99f45413374fe8212a9b682efb3aad2f0eaf6c3a [file] [log] [blame] [edit]
// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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