vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
160 lines
4.9 KiB
C++
160 lines
4.9 KiB
C++
/* Copyright (C) 2022 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "PipelineState.h"
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#include <limits>
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namespace Renderer
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{
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namespace Backend
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{
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SGraphicsPipelineStateDesc MakeDefaultGraphicsPipelineStateDesc()
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{
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SGraphicsPipelineStateDesc desc{};
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desc.shaderProgram = nullptr;
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desc.depthStencilState.depthTestEnabled = true;
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desc.depthStencilState.depthCompareOp = CompareOp::LESS_OR_EQUAL;
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desc.depthStencilState.depthWriteEnabled = true;
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desc.depthStencilState.stencilTestEnabled = false;
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desc.depthStencilState.stencilFrontFace.failOp = StencilOp::KEEP;
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desc.depthStencilState.stencilFrontFace.passOp = StencilOp::KEEP;
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desc.depthStencilState.stencilFrontFace.depthFailOp = StencilOp::KEEP;
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desc.depthStencilState.stencilFrontFace.compareOp = CompareOp::ALWAYS;
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desc.depthStencilState.stencilBackFace = desc.depthStencilState.stencilFrontFace;
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desc.depthStencilState.stencilReadMask = desc.depthStencilState.stencilWriteMask =
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std::numeric_limits<uint32_t>::max();
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desc.depthStencilState.stencilReference = 0;
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desc.blendState.enabled = false;
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desc.blendState.srcColorBlendFactor = desc.blendState.srcAlphaBlendFactor =
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BlendFactor::ONE;
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desc.blendState.dstColorBlendFactor = desc.blendState.dstAlphaBlendFactor =
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BlendFactor::ZERO;
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desc.blendState.colorBlendOp = desc.blendState.alphaBlendOp = BlendOp::ADD;
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desc.blendState.constant = CColor(0.0f, 0.0f, 0.0f, 0.0f);
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desc.blendState.colorWriteMask =
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ColorWriteMask::RED | ColorWriteMask::GREEN | ColorWriteMask::BLUE | ColorWriteMask::ALPHA;
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desc.rasterizationState.polygonMode = PolygonMode::FILL;
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desc.rasterizationState.cullMode = CullMode::BACK;
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desc.rasterizationState.frontFace = FrontFace::COUNTER_CLOCKWISE;
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desc.rasterizationState.depthBiasEnabled = false;
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desc.rasterizationState.depthBiasConstantFactor = 0.0f;
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desc.rasterizationState.depthBiasSlopeFactor = 0.0f;
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return desc;
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}
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StencilOp ParseStencilOp(const CStr& str)
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{
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#define CASE(NAME) if (str == #NAME) return StencilOp::NAME
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CASE(KEEP);
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CASE(ZERO);
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CASE(REPLACE);
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CASE(INCREMENT_AND_CLAMP);
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CASE(DECREMENT_AND_CLAMP);
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CASE(INVERT);
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CASE(INCREMENT_AND_WRAP);
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CASE(DECREMENT_AND_WRAP);
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#undef CASE
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debug_warn("Invalid stencil op");
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return StencilOp::KEEP;
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}
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BlendFactor ParseBlendFactor(const CStr& str)
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{
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// TODO: it might make sense to use upper case in XML for consistency.
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#define CASE(NAME, VALUE) if (str == NAME) return BlendFactor::VALUE
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CASE("zero", ZERO);
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CASE("one", ONE);
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CASE("src_color", SRC_COLOR);
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CASE("one_minus_src_color", ONE_MINUS_SRC_COLOR);
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CASE("dst_color", DST_COLOR);
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CASE("one_minus_dst_color", ONE_MINUS_DST_COLOR);
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CASE("src_alpha", SRC_ALPHA);
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CASE("one_minus_src_alpha", ONE_MINUS_SRC_ALPHA);
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CASE("dst_alpha", DST_ALPHA);
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CASE("one_minus_dst_alpha", ONE_MINUS_DST_ALPHA);
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CASE("constant_color", CONSTANT_COLOR);
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CASE("one_minus_constant_color", ONE_MINUS_CONSTANT_COLOR);
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CASE("constant_alpha", CONSTANT_ALPHA);
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CASE("one_minus_constant_alpha", ONE_MINUS_CONSTANT_ALPHA);
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CASE("src_alpha_saturate", SRC_ALPHA_SATURATE);
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CASE("src1_color", SRC1_COLOR);
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CASE("one_minus_src1_color", ONE_MINUS_SRC1_COLOR);
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CASE("src1_alpha", SRC1_ALPHA);
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CASE("one_minus_src1_alpha", ONE_MINUS_SRC1_ALPHA);
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#undef CASE
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debug_warn("Invalid blend factor");
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return BlendFactor::ZERO;
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}
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BlendOp ParseBlendOp(const CStr& str)
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{
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#define CASE(NAME) if (str == #NAME) return BlendOp::NAME
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CASE(ADD);
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CASE(SUBTRACT);
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CASE(REVERSE_SUBTRACT);
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CASE(MIN);
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CASE(MAX);
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#undef CASE
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debug_warn("Invalid blend op");
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return BlendOp::ADD;
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}
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PolygonMode ParsePolygonMode(const CStr& str)
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{
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if (str == "FILL")
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return PolygonMode::FILL;
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else if (str == "LINE")
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return PolygonMode::LINE;
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debug_warn("Invalid polygon mode");
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return PolygonMode::FILL;
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}
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CullMode ParseCullMode(const CStr& str)
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{
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if (str == "NONE")
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return CullMode::NONE;
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else if (str == "FRONT")
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return CullMode::FRONT;
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else if (str == "BACK")
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return CullMode::BACK;
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debug_warn("Invalid cull mode");
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return CullMode::BACK;
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}
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FrontFace ParseFrontFace(const CStr& str)
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{
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if (str == "CLOCKWISE")
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return FrontFace::CLOCKWISE;
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else if (str == "COUNTER_CLOCKWISE")
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return FrontFace::COUNTER_CLOCKWISE;
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debug_warn("Invalid front face");
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return FrontFace::COUNTER_CLOCKWISE;
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}
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} // namespace Backend
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} // namespace Renderer
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