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Adds a rasterization state to the renderer backend pipeline state.

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This was SVN commit r26248.
This commit is contained in:
vladislavbelov
2022-01-25 16:28:58 +00:00
parent 588e6b0103
commit acb043f4a2
2 changed files with 149 additions and 100 deletions
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source/renderer/backend/PipelineState.cpp
+32 -6
View File
@@ -28,13 +28,17 @@ namespace Backend
GraphicsPipelineStateDesc MakeDefaultGraphicsPipelineStateDesc()
{
GraphicsPipelineStateDesc desc{};
desc.blendState.enabled = false;
desc.blendState.srcColorBlendFactor = desc.blendState.srcAlphaBlendFactor =
BlendFactor::ONE;
desc.blendState.dstColorBlendFactor = desc.blendState.dstAlphaBlendFactor =
BlendFactor::ZERO;
desc.blendState.colorBlendOp = desc.blendState.alphaBlendOp = BlendOp::ADD;
desc.blendState.enabled = false;
desc.blendState.srcColorBlendFactor = desc.blendState.srcAlphaBlendFactor =
BlendFactor::ONE;
desc.blendState.dstColorBlendFactor = desc.blendState.dstAlphaBlendFactor =
BlendFactor::ZERO;
desc.blendState.colorBlendOp = desc.blendState.alphaBlendOp = BlendOp::ADD;
desc.blendState.constant = CColor(0.0f, 0.0f, 0.0f, 0.0f);
desc.rasterizationState.cullMode = CullMode::BACK;
desc.rasterizationState.frontFace = FrontFace::COUNTER_CLOCKWISE;
return desc;
}
@@ -79,6 +83,28 @@ BlendOp ParseBlendOp(const CStr& str)
return BlendOp::ADD;
}
CullMode ParseCullMode(const CStr& str)
{
if (str == "NONE")
return CullMode::NONE;
else if (str == "FRONT")
return CullMode::FRONT;
else if (str == "BACK")
return CullMode::BACK;
debug_warn("Invalid cull mode");
return CullMode::BACK;
}
FrontFace ParseFrontFace(const CStr& str)
{
if (str == "CLOCKWISE")
return FrontFace::CLOCKWISE;
else if (str == "COUNTER_CLOCKWISE")
return FrontFace::COUNTER_CLOCKWISE;
debug_warn("Invalid front face");
return FrontFace::COUNTER_CLOCKWISE;
}
} // namespace Backend
} // namespace Renderer
source/renderer/backend/PipelineState.h
+117 -94
View File
@@ -1,94 +1,117 @@
/* Copyright (C) 2022 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RENDERER_BACKEND_PIPELINESTATE
#define INCLUDED_RENDERER_BACKEND_PIPELINESTATE
#include "graphics/Color.h"
class CStr;
namespace Renderer
{
namespace Backend
{
// TODO: add per constant description.
enum class BlendFactor
{
ZERO,
ONE,
SRC_COLOR,
ONE_MINUS_SRC_COLOR,
DST_COLOR,
ONE_MINUS_DST_COLOR,
SRC_ALPHA,
ONE_MINUS_SRC_ALPHA,
DST_ALPHA,
ONE_MINUS_DST_ALPHA,
CONSTANT_COLOR,
ONE_MINUS_CONSTANT_COLOR,
CONSTANT_ALPHA,
ONE_MINUS_CONSTANT_ALPHA,
SRC_ALPHA_SATURATE,
SRC1_COLOR,
ONE_MINUS_SRC1_COLOR,
SRC1_ALPHA,
ONE_MINUS_SRC1_ALPHA,
};
enum class BlendOp
{
ADD,
SUBTRACT,
REVERSE_SUBTRACT,
MIN,
MAX
};
struct BlendStateDesc
{
bool enabled;
BlendFactor srcColorBlendFactor;
BlendFactor dstColorBlendFactor;
BlendOp colorBlendOp;
BlendFactor srcAlphaBlendFactor;
BlendFactor dstAlphaBlendFactor;
BlendOp alphaBlendOp;
CColor constant;
};
// TODO: Add a shader program to the graphics pipeline state.
struct GraphicsPipelineStateDesc
{
BlendStateDesc blendState;
};
// We don't provide additional helpers intentionally because all custom states
// should be described with a related shader and should be switched together.
GraphicsPipelineStateDesc MakeDefaultGraphicsPipelineStateDesc();
BlendFactor ParseBlendFactor(const CStr& str);
BlendOp ParseBlendOp(const CStr& str);
} // namespace Backend
} // namespace Renderer
#endif // INCLUDED_RENDERER_BACKEND_PIPELINESTATE
/* Copyright (C) 2022 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RENDERER_BACKEND_PIPELINESTATE
#define INCLUDED_RENDERER_BACKEND_PIPELINESTATE
#include "graphics/Color.h"
class CStr;
namespace Renderer
{
namespace Backend
{
// TODO: add per constant description.
enum class BlendFactor
{
ZERO,
ONE,
SRC_COLOR,
ONE_MINUS_SRC_COLOR,
DST_COLOR,
ONE_MINUS_DST_COLOR,
SRC_ALPHA,
ONE_MINUS_SRC_ALPHA,
DST_ALPHA,
ONE_MINUS_DST_ALPHA,
CONSTANT_COLOR,
ONE_MINUS_CONSTANT_COLOR,
CONSTANT_ALPHA,
ONE_MINUS_CONSTANT_ALPHA,
SRC_ALPHA_SATURATE,
SRC1_COLOR,
ONE_MINUS_SRC1_COLOR,
SRC1_ALPHA,
ONE_MINUS_SRC1_ALPHA,
};
enum class BlendOp
{
ADD,
SUBTRACT,
REVERSE_SUBTRACT,
MIN,
MAX
};
struct BlendStateDesc
{
bool enabled;
BlendFactor srcColorBlendFactor;
BlendFactor dstColorBlendFactor;
BlendOp colorBlendOp;
BlendFactor srcAlphaBlendFactor;
BlendFactor dstAlphaBlendFactor;
BlendOp alphaBlendOp;
CColor constant;
};
enum class CullMode
{
NONE,
FRONT,
BACK
};
enum class FrontFace
{
COUNTER_CLOCKWISE,
CLOCKWISE
};
struct RasterizationStateDesc
{
CullMode cullMode;
FrontFace frontFace;
};
// TODO: Add a shader program to the graphics pipeline state.
struct GraphicsPipelineStateDesc
{
BlendStateDesc blendState;
RasterizationStateDesc rasterizationState;
};
// We don't provide additional helpers intentionally because all custom states
// should be described with a related shader and should be switched together.
GraphicsPipelineStateDesc MakeDefaultGraphicsPipelineStateDesc();
BlendFactor ParseBlendFactor(const CStr& str);
BlendOp ParseBlendOp(const CStr& str);
CullMode ParseCullMode(const CStr& str);
FrontFace ParseFrontFace(const CStr& str);
} // namespace Backend
} // namespace Renderer
#endif // INCLUDED_RENDERER_BACKEND_PIPELINESTATE