Files
Seele/src/Engine/Graphics/Descriptor.h
T

101 lines
3.4 KiB
C++

#pragma once
#include "Enums.h"
#include "Resources.h"
#include <compare>
namespace Seele {
namespace Gfx {
struct DescriptorBinding {
uint32 binding = 0;
SeDescriptorType descriptorType = SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
SeImageViewType textureType;
uint32 descriptorCount = 0x7fff;
SeDescriptorBindingFlags bindingFlags = 0;
SeShaderStageFlags shaderStages = SE_SHADER_STAGE_ALL;
Gfx::SeDescriptorAccessTypeFlags access = SE_DESCRIPTOR_ACCESS_READ_ONLY_BIT;
};
DECLARE_REF(DescriptorPool)
DECLARE_REF(DescriptorSet)
class DescriptorLayout {
public:
DescriptorLayout(const std::string& name);
DescriptorLayout(const DescriptorLayout& other);
DescriptorLayout& operator=(const DescriptorLayout& other);
virtual ~DescriptorLayout();
void addDescriptorBinding(uint32 binding, SeDescriptorType type,
SeImageViewType textureType = Gfx::SE_IMAGE_VIEW_TYPE_2D, uint32 arrayCount = 1,
SeDescriptorBindingFlags bindingFlags = 0,
SeShaderStageFlags shaderStages = SeShaderStageFlagBits::SE_SHADER_STAGE_ALL);
void reset();
PDescriptorSet allocateDescriptorSet();
virtual void create() = 0;
constexpr const Array<DescriptorBinding>& getBindings() const { return descriptorBindings; }
constexpr uint32 getHash() const { return hash; }
constexpr const std::string& getName() const { return name; }
protected:
Array<DescriptorBinding> descriptorBindings;
ODescriptorPool pool;
std::string name;
uint32 hash = 0;
friend class PipelineLayout;
friend class DescriptorPool;
};
DEFINE_REF(DescriptorLayout)
DECLARE_REF(DescriptorSet)
class DescriptorPool {
public:
DescriptorPool();
virtual ~DescriptorPool();
virtual PDescriptorSet allocateDescriptorSet() = 0;
virtual void reset() = 0;
};
DEFINE_REF(DescriptorPool)
DECLARE_REF(UniformBuffer)
DECLARE_REF(ShaderBuffer)
DECLARE_REF(Texture)
DECLARE_REF(Sampler)
class DescriptorSet {
public:
DescriptorSet(PDescriptorLayout layout);
virtual ~DescriptorSet();
virtual void writeChanges() = 0;
virtual void updateBuffer(uint32 binding, PUniformBuffer uniformBuffer) = 0;
virtual void updateBuffer(uint32 binding, PShaderBuffer ShaderBuffer) = 0;
virtual void updateSampler(uint32 binding, PSampler sampler) = 0;
virtual void updateTexture(uint32 binding, PTexture texture, PSampler samplerState = nullptr) = 0;
virtual void updateTextureArray(uint32_t binding, Array<PTexture> texture) = 0;
bool operator<(PDescriptorSet other);
constexpr PDescriptorLayout getLayout() const { return layout; }
protected:
PDescriptorLayout layout;
};
DEFINE_REF(DescriptorSet)
class PipelineLayout {
public:
PipelineLayout();
PipelineLayout(PPipelineLayout baseLayout);
virtual ~PipelineLayout();
virtual void create() = 0;
void addDescriptorLayout(PDescriptorLayout layout);
void addPushConstants(const SePushConstantRange& pushConstants);
constexpr uint32 getHash() const { return layoutHash; }
constexpr const Map<std::string, PDescriptorLayout>& getLayouts() const { return descriptorSetLayouts; }
constexpr uint32 findParameter(const std::string& name) const { return parameterMapping[name]; }
void addMapping(Map<std::string, uint32> mapping);
protected:
uint32 layoutHash = 0;
Map<std::string, PDescriptorLayout> descriptorSetLayouts;
Map<std::string, uint32> parameterMapping;
Array<SePushConstantRange> pushConstants;
};
DEFINE_REF(PipelineLayout)
} // namespace Gfx
} // namespace Seele