338 lines
8.7 KiB
C++
338 lines
8.7 KiB
C++
//
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// KRPipeline.h
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// Kraken Engine
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//
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// Copyright 2022 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#pragma once
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#include "KREngine-common.h"
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#include "KRCamera.h"
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#include "KRNode.h"
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#include "KRViewport.h"
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#include "KRMesh.h"
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class KRShader;
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class KRSurface;
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class KRRenderPass;
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enum class ModelFormat : __uint8_t;
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struct SpvReflectShaderModule;
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enum class CullMode : uint32_t
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{
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kCullBack = 0,
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kCullFront,
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kCullNone
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};
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// Note: RasterMode is likely to be refactored later to a bitfield
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enum class RasterMode : uint32_t
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{
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kOpaque = 0,
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/*
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kOpaque is equivalent to:
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// Disable blending
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glDisable(GL_BLEND));
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// Enable z-buffer write
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glDepthMask(GL_TRUE);
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// Enable z-buffer test
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glEnable(GL_DEPTH_TEST))
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glDepthFunc(GL_LEQUAL);
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glDepthRangef(0.0, 1.0);
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*/
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kOpaqueNoDepthWrite,
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/*
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kOpaque is equivalent to:
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// Disable blending
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glDisable(GL_BLEND));
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// Disable z-buffer write
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glDepthMask(GL_FALSE);
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// Enable z-buffer test
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glEnable(GL_DEPTH_TEST))
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glDepthFunc(GL_LEQUAL);
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glDepthRangef(0.0, 1.0);
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*/
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kOpaqueLessTest,
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/*
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kOpaqueLessTest is equivalent to:
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// Disable blending
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glDisable(GL_BLEND));
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// Enable z-buffer write
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glDepthMask(GL_TRUE);
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// Enable z-buffer test
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glEnable(GL_DEPTH_TEST))
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glDepthFunc(GL_LESS);
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glDepthRangef(0.0, 1.0);
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*/
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kOpaqueNoTest,
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/*
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kOpaqueNoTest is equivalent to:
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// Disable blending
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glDisable(GL_BLEND));
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// Enable z-buffer write
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glDepthMask(GL_TRUE);
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// Disable z-buffer test
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glDisable(GL_DEPTH_TEST)
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*/
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kAlphaBlend,
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/*
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kAlphaBlend is equivalent to:
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// Enable alpha blending
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glEnable(GL_BLEND));
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
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// Disable z-buffer write
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glDepthMask(GL_FALSE);
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// Enable z-buffer test
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glEnable(GL_DEPTH_TEST))
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glDepthFunc(GL_LEQUAL);
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glDepthRangef(0.0, 1.0);
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*/
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kAlphaBlendNoTest,
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/*
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kAlphaBlendNoTest is equivalent to:
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// Enable alpha blending
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glEnable(GL_BLEND));
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
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// Disable z-buffer write
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glDepthMask(GL_FALSE);
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// Disable z-buffer test
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glDisable(GL_DEPTH_TEST)
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*/
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kAdditive,
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/*
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kAdditive is equivalent to:
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// Enable additive blending
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glEnable(GL_BLEND));
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glBlendFunc(GL_ONE, GL_ONE));
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// Disable z-buffer write
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glDepthMask(GL_FALSE);
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// Enable z-buffer test
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glEnable(GL_DEPTH_TEST))
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glDepthFunc(GL_LEQUAL);
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glDepthRangef(0.0, 1.0);
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*/
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kAdditiveNoTest,
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/*
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kAdditive is equivalent to:
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// Enable additive blending
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glEnable(GL_BLEND));
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glBlendFunc(GL_ONE, GL_ONE));
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// Disable z-buffer write
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glDepthMask(GL_FALSE);
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// Disable z-buffer test
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glDisable(GL_DEPTH_TEST)
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*/
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};
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class PipelineInfo
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{
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public:
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const std::string* shader_name;
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KRCamera* pCamera;
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const std::vector<KRPointLight*>* point_lights;
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const std::vector<KRDirectionalLight*>* directional_lights;
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const std::vector<KRSpotLight*>* spot_lights;
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int bone_count;
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bool bDiffuseMap : 1;
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bool bNormalMap : 1;
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bool bSpecMap : 1;
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bool bReflectionMap : 1;
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bool bReflectionCubeMap : 1;
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bool bLightMap : 1;
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bool bDiffuseMapScale : 1;
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bool bSpecMapScale : 1;
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bool bNormalMapScale : 1;
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bool bReflectionMapScale : 1;
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bool bDiffuseMapOffset : 1;
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bool bSpecMapOffset : 1;
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bool bNormalMapOffset : 1;
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bool bReflectionMapOffset : 1;
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bool bAlphaTest : 1;
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bool bRimColor : 1;
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RasterMode rasterMode;
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CullMode cullMode;
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uint32_t vertexAttributes;
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ModelFormat modelFormat;
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KRNode::RenderPass renderPass;
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};
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class KRPipeline : public KRContextObject
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{
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public:
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KRPipeline(KRContext& context, KRSurface& surface, const PipelineInfo& info, const char* szKey, const std::vector<KRShader*>& shaders, uint32_t vertexAttributes, ModelFormat modelFormat);
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virtual ~KRPipeline();
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const char* getKey() const;
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bool bind(VkCommandBuffer& commandBuffer, KRCamera& camera, const KRViewport& viewport, const Matrix4& matModel, const std::vector<KRPointLight*>* point_lights, const std::vector<KRDirectionalLight*>* directional_lights, const std::vector<KRSpotLight*>* spot_lights, const KRNode::RenderPass& renderPass);
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enum class PushConstant : uint8_t
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{
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material_ambient = 0,
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material_diffuse,
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material_specular,
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material_reflection,
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material_alpha,
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material_shininess,
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light_position,
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light_direction_model_space,
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light_direction_view_space,
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light_color,
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light_decay_start,
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light_cutoff,
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light_intensity,
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flare_size,
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view_space_model_origin,
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mvp,
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invp,
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invmvp,
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invmvp_no_translate,
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model_view_inverse_transpose,
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model_inverse_transpose,
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model_view,
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model_matrix,
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projection_matrix,
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camerapos_model_space,
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viewport,
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viewport_downsample,
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diffusetexture,
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speculartexture,
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reflectioncubetexture,
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reflectiontexture,
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normaltexture,
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diffusetexture_scale,
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speculartexture_scale,
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reflectiontexture_scale,
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normaltexture_scale,
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ambienttexture_scale,
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diffusetexture_offset,
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speculartexture_offset,
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reflectiontexture_offset,
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normaltexture_offset,
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ambienttexture_offset,
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shadow_mvp1,
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shadow_mvp2,
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shadow_mvp3,
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shadowtexture1,
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shadowtexture2,
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shadowtexture3,
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lightmaptexture,
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gbuffer_frame,
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gbuffer_depth,
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depth_frame,
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volumetric_environment_frame,
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render_frame,
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absolute_time,
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fog_near,
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fog_far,
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fog_density,
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fog_color,
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fog_scale,
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density_premultiplied_exponential,
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density_premultiplied_squared,
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slice_depth_scale,
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particle_origin,
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bone_transforms,
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rim_color,
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rim_power,
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fade_color,
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NUM_PUSH_CONSTANTS
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};
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static const size_t kPushConstantCount = static_cast<size_t>(PushConstant::NUM_PUSH_CONSTANTS);
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enum class ShaderStages : uint8_t
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{
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vertex = 0,
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fragment,
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geometry,
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compute,
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shaderStageCount
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};
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static const size_t kShaderStageCount = static_cast<size_t>(ShaderStages::shaderStageCount);
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bool hasPushConstant(PushConstant location) const;
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void setPushConstant(PushConstant location, float value);
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void setPushConstant(PushConstant location, int value);
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void setPushConstant(PushConstant location, const Vector2& value);
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void setPushConstant(PushConstant location, const Vector3& value);
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void setPushConstant(PushConstant location, const Vector4& value);
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void setPushConstant(PushConstant location, const Matrix4& value);
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void setPushConstant(PushConstant location, const Matrix4* value, const size_t count);
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VkPipeline& getPipeline();
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private:
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static const char* KRENGINE_PUSH_CONSTANT_NAMES[];
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struct PushConstantStageInfo
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{
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int offset[kPushConstantCount];
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__uint8_t size[kPushConstantCount];
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uint8_t* buffer;
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int bufferSize;
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VkPipelineLayout layout;
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};
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PushConstantStageInfo m_pushConstants[static_cast<size_t>(ShaderStages::shaderStageCount)];
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char m_szKey[256];
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VkDescriptorSetLayout m_descriptorSetLayout;
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VkPipelineLayout m_pipelineLayout;
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VkPipeline m_graphicsPipeline;
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void initPushConstantStage(ShaderStages stage, const SpvReflectShaderModule* reflection);
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};
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