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c35103dc19
Bug=dawn:32 Change-Id: I74db6c1e9cf57a168967131ea2c9e1d802853ab4 Reviewed-on: https://dawn-review.googlesource.com/c/2020 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
99 lines
3.4 KiB
C++
99 lines
3.4 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/BlendState.h"
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#include "dawn_native/Device.h"
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namespace dawn_native {
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// BlendStateBase
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BlendStateBase::BlendStateBase(BlendStateBuilder* builder)
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: ObjectBase(builder->GetDevice()), mBlendInfo(builder->mBlendInfo) {
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}
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const BlendStateBase::BlendInfo& BlendStateBase::GetBlendInfo() const {
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return mBlendInfo;
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}
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// BlendStateBuilder
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enum BlendStateSetProperties {
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BLEND_STATE_PROPERTY_BLEND_ENABLED = 0x1,
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BLEND_STATE_PROPERTY_ALPHA_BLEND = 0x2,
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BLEND_STATE_PROPERTY_COLOR_BLEND = 0x4,
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BLEND_STATE_PROPERTY_COLOR_WRITE_MASK = 0x08,
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};
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BlendStateBuilder::BlendStateBuilder(DeviceBase* device) : Builder(device) {
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}
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BlendStateBase* BlendStateBuilder::GetResultImpl() {
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return GetDevice()->CreateBlendState(this);
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}
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void BlendStateBuilder::SetBlendEnabled(bool blendEnabled) {
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if ((mPropertiesSet & BLEND_STATE_PROPERTY_BLEND_ENABLED) != 0) {
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HandleError("Blend enabled property set multiple times");
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return;
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}
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mPropertiesSet |= BLEND_STATE_PROPERTY_BLEND_ENABLED;
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mBlendInfo.blendEnabled = blendEnabled;
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}
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void BlendStateBuilder::SetAlphaBlend(const BlendDescriptor* alphaBlend) {
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if ((mPropertiesSet & BLEND_STATE_PROPERTY_ALPHA_BLEND) != 0) {
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HandleError("Alpha blend property set multiple times");
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return;
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}
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mPropertiesSet |= BLEND_STATE_PROPERTY_ALPHA_BLEND;
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// TODO(yunchao.he@intel.com): validate the enum values in
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// ValidateBlendStateDescriptor when it is added.
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mBlendInfo.alphaBlend.operation = alphaBlend->operation;
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mBlendInfo.alphaBlend.srcFactor = alphaBlend->srcFactor;
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mBlendInfo.alphaBlend.dstFactor = alphaBlend->dstFactor;
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}
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void BlendStateBuilder::SetColorBlend(const BlendDescriptor* colorBlend) {
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if ((mPropertiesSet & BLEND_STATE_PROPERTY_COLOR_BLEND) != 0) {
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HandleError("Color blend property set multiple times");
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return;
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}
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mPropertiesSet |= BLEND_STATE_PROPERTY_COLOR_BLEND;
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// TODO(yunchao.he@intel.com): validate the enum values in
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// ValidateBlendStateDescriptor when it is added.
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mBlendInfo.colorBlend.operation = colorBlend->operation;
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mBlendInfo.colorBlend.srcFactor = colorBlend->srcFactor;
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mBlendInfo.colorBlend.dstFactor = colorBlend->dstFactor;
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}
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void BlendStateBuilder::SetColorWriteMask(dawn::ColorWriteMask colorWriteMask) {
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if ((mPropertiesSet & BLEND_STATE_PROPERTY_COLOR_WRITE_MASK) != 0) {
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HandleError("Color write mask property set multiple times");
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return;
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}
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mPropertiesSet |= BLEND_STATE_PROPERTY_COLOR_WRITE_MASK;
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mBlendInfo.colorWriteMask = colorWriteMask;
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}
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} // namespace dawn_native
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