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kraken/kraken/KRPipeline.h

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//
// KRPipeline.h
// Kraken Engine
//
// Copyright 2022 Kearwood Gilbert. All rights reserved.
//
// 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.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''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 KEARWOOD GILBERT 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.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#ifndef KRPIPELINE_H
#define KRPIPELINE_H
#include "KREngine-common.h"
#include "KRCamera.h"
#include "KRNode.h"
#include "KRViewport.h"
#include "KRMesh.h"
class KRShader;
class KRSurface;
class KRRenderPass;
class PipelineInfo {
public:
// Note: RasterMode is likely to be refactored later to a bitfield
enum class RasterMode : uint32_t {
kOpaque = 0,
/*
kOpaque is equivalent to:
// Disable blending
glDisable(GL_BLEND));
// Enable z-buffer write
glDepthMask(GL_TRUE);
// Enable z-buffer test
glEnable(GL_DEPTH_TEST))
glDepthFunc(GL_LEQUAL);
glDepthRangef(0.0, 1.0);
*/
kAlphaBlend = 1,
/*
kAlphaBlend is equivalent to:
// Enable alpha blending
glEnable(GL_BLEND));
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
// Disable z-buffer write
glDepthMask(GL_FALSE);
// Enable z-buffer test
glEnable(GL_DEPTH_TEST))
glDepthFunc(GL_LEQUAL);
glDepthRangef(0.0, 1.0);
*/
kAlphaBlendNoTest = 2,
/*
kAlphaBlendNoTest is equivalent to:
// Enable alpha blending
glEnable(GL_BLEND));
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
// Disable z-buffer write
glDepthMask(GL_FALSE);
// Enable z-buffer test
glEnable(GL_DEPTH_TEST))
glDepthFunc(GL_LEQUAL);
glDepthRangef(0.0, 1.0);
*/
kAdditive = 3,
/*
kAdditive is equivalent to:
// Enable additive blending
glEnable(GL_BLEND));
glBlendFunc(GL_ONE, GL_ONE));
// Disable z-buffer write
glDepthMask(GL_FALSE);
// Disalbe z-buffer test
glDisable(GL_DEPTH_TEST)
*/
kAdditiveNoTest = 4,
/*
kAdditive is equivalent to:
// Enable additive blending
glEnable(GL_BLEND));
glBlendFunc(GL_ONE, GL_ONE));
// Disable z-buffer write
glDepthMask(GL_FALSE);
// Disalbe z-buffer test
glDisable(GL_DEPTH_TEST)
*/
};
const std::string* shader_name;
KRCamera* pCamera;
const std::vector<KRPointLight*>* point_lights;
const std::vector<KRDirectionalLight*>* directional_lights;
const std::vector<KRSpotLight*>* spot_lights;
int bone_count;
bool bDiffuseMap : 1;
bool bNormalMap : 1;
bool bSpecMap : 1;
bool bReflectionMap : 1;
bool bReflectionCubeMap : 1;
bool bLightMap : 1;
bool bDiffuseMapScale : 1;
bool bSpecMapScale : 1;
bool bNormalMapScale : 1;
bool bReflectionMapScale : 1;
bool bDiffuseMapOffset : 1;
bool bSpecMapOffset : 1;
bool bNormalMapOffset : 1;
bool bReflectionMapOffset : 1;
bool bAlphaTest : 1;
bool bRimColor : 1;
RasterMode rasterMode;
KRNode::RenderPass renderPass;
};
class KRPipeline : public KRContextObject {
public:
KRPipeline(KRContext& context, KRSurface& surface, const PipelineInfo& info, const char* szKey, const std::vector<KRShader*>& shaders, uint32_t vertexAttributes, KRMesh::model_format_t modelFormat);
KRPipeline(KRContext &context, char *szKey, std::string options, std::string vertShaderSource, const std::string fragShaderSource);
virtual ~KRPipeline();
const char *getKey() const;
bool bind(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, const Vector3 &rim_color, float rim_power, const Vector4 &fade_color);
void bind(VkCommandBuffer& commandBuffer);
enum {
KRENGINE_UNIFORM_MATERIAL_AMBIENT = 0,
KRENGINE_UNIFORM_MATERIAL_DIFFUSE,
KRENGINE_UNIFORM_MATERIAL_SPECULAR,
KRENGINE_UNIFORM_MATERIAL_REFLECTION,
KRENGINE_UNIFORM_MATERIAL_ALPHA,
KRENGINE_UNIFORM_MATERIAL_SHININESS,
KRENGINE_UNIFORM_LIGHT_POSITION,
KRENGINE_UNIFORM_LIGHT_DIRECTION_MODEL_SPACE,
KRENGINE_UNIFORM_LIGHT_DIRECTION_VIEW_SPACE,
KRENGINE_UNIFORM_LIGHT_COLOR,
KRENGINE_UNIFORM_LIGHT_DECAY_START,
KRENGINE_UNIFORM_LIGHT_CUTOFF,
KRENGINE_UNIFORM_LIGHT_INTENSITY,
KRENGINE_UNIFORM_FLARE_SIZE,
KRENGINE_UNIFORM_VIEW_SPACE_MODEL_ORIGIN,
KRENGINE_UNIFORM_MVP,
KRENGINE_UNIFORM_INVP,
KRENGINE_UNIFORM_INVMVP,
KRENGINE_UNIFORM_INVMVP_NO_TRANSLATE,
KRENGINE_UNIFORM_MODEL_VIEW_INVERSE_TRANSPOSE,
KRENGINE_UNIFORM_MODEL_INVERSE_TRANSPOSE,
KRENGINE_UNIFORM_MODEL_VIEW,
KRENGINE_UNIFORM_MODEL_MATRIX,
KRENGINE_UNIFORM_PROJECTION_MATRIX,
KRENGINE_UNIFORM_CAMERAPOS_MODEL_SPACE,
KRENGINE_UNIFORM_VIEWPORT,
KRENGINE_UNIFORM_VIEWPORT_DOWNSAMPLE,
KRENGINE_UNIFORM_DIFFUSETEXTURE,
KRENGINE_UNIFORM_SPECULARTEXTURE,
KRENGINE_UNIFORM_REFLECTIONCUBETEXTURE,
KRENGINE_UNIFORM_REFLECTIONTEXTURE,
KRENGINE_UNIFORM_NORMALTEXTURE,
KRENGINE_UNIFORM_DIFFUSETEXTURE_SCALE,
KRENGINE_UNIFORM_SPECULARTEXTURE_SCALE,
KRENGINE_UNIFORM_REFLECTIONTEXTURE_SCALE,
KRENGINE_UNIFORM_NORMALTEXTURE_SCALE,
KRENGINE_UNIFORM_AMBIENTTEXTURE_SCALE,
KRENGINE_UNIFORM_DIFFUSETEXTURE_OFFSET,
KRENGINE_UNIFORM_SPECULARTEXTURE_OFFSET,
KRENGINE_UNIFORM_REFLECTIONTEXTURE_OFFSET,
KRENGINE_UNIFORM_NORMALTEXTURE_OFFSET,
KRENGINE_UNIFORM_AMBIENTTEXTURE_OFFSET,
KRENGINE_UNIFORM_SHADOWMVP1,
KRENGINE_UNIFORM_SHADOWMVP2,
KRENGINE_UNIFORM_SHADOWMVP3,
KRENGINE_UNIFORM_SHADOWTEXTURE1,
KRENGINE_UNIFORM_SHADOWTEXTURE2,
KRENGINE_UNIFORM_SHADOWTEXTURE3,
KRENGINE_UNIFORM_LIGHTMAPTEXTURE,
KRENGINE_UNIFORM_GBUFFER_FRAME,
KRENGINE_UNIFORM_GBUFFER_DEPTH,
KRENGINE_UNIFORM_DEPTH_FRAME,
KRENGINE_UNIFORM_VOLUMETRIC_ENVIRONMENT_FRAME,
KRENGINE_UNIFORM_RENDER_FRAME,
KRENGINE_UNIFORM_ABSOLUTE_TIME,
KRENGINE_UNIFORM_FOG_NEAR,
KRENGINE_UNIFORM_FOG_FAR,
KRENGINE_UNIFORM_FOG_DENSITY,
KRENGINE_UNIFORM_FOG_COLOR,
KRENGINE_UNIFORM_FOG_SCALE,
KRENGINE_UNIFORM_DENSITY_PREMULTIPLIED_EXPONENTIAL,
KRENGINE_UNIFORM_DENSITY_PREMULTIPLIED_SQUARED,
KRENGINE_UNIFORM_SLICE_DEPTH_SCALE,
KRENGINE_UNIFORM_PARTICLE_ORIGIN,
KRENGINE_UNIFORM_BONE_TRANSFORMS,
KRENGINE_UNIFORM_RIM_COLOR,
KRENGINE_UNIFORM_RIM_POWER,
KRENGINE_UNIFORM_FADE_COLOR,
KRENGINE_NUM_UNIFORMS
};
static const char *KRENGINE_UNIFORM_NAMES[];
GLint m_uniforms[KRENGINE_NUM_UNIFORMS];
int m_uniform_value_index[KRENGINE_NUM_UNIFORMS];
std::vector<float> m_uniform_value_float;
std::vector<int> m_uniform_value_int;
std::vector<Vector2> m_uniform_value_vector2;
std::vector<Vector3> m_uniform_value_vector3;
std::vector<Vector4> m_uniform_value_vector4;
std::vector<Matrix4> m_uniform_value_mat4;
char m_szKey[256];
void setUniform(int location, float value);
void setUniform(int location, int value);
void setUniform(int location, const Vector2 &value);
void setUniform(int location, const Vector3 &value);
void setUniform(int location, const Vector4 &value);
void setUniform(int location, const Matrix4 &value);
VkPipeline& getPipeline();
private:
GLuint m_iProgram;
VkPipelineLayout m_pipelineLayout;
VkPipeline m_graphicsPipeline;
};
#endif