148 lines
5.5 KiB
C++
148 lines
5.5 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file shaderInput.h
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* @author jyelon
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* @date 2005-09-01
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* @author fperazzi, PandaSE
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* @date 2010-04-06
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*/
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#ifndef SHADERINPUT_H
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#define SHADERINPUT_H
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#include "pandabase.h"
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#include "pointerTo.h"
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#include "internalName.h"
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#include "paramValue.h"
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#include "pta_float.h"
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#include "pta_double.h"
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#include "pta_LMatrix4.h"
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#include "pta_LMatrix3.h"
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#include "pta_LVecBase4.h"
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#include "pta_LVecBase3.h"
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#include "pta_LVecBase2.h"
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#include "samplerState.h"
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#include "shader.h"
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#include "texture.h"
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#include "shaderBuffer.h"
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#include "extension.h"
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/**
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* This is a small container class that can hold any one of the value types
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* that can be passed as input to a shader.
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*/
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class EXPCL_PANDA_PGRAPH ShaderInput {
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PUBLISHED:
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// Used when binding texture images.
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enum AccessFlags {
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A_read = 0x01,
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A_write = 0x02,
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A_layered = 0x04,
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};
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static const ShaderInput &get_blank();
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INLINE explicit ShaderInput(CPT_InternalName name, int priority=0);
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EXTENSION(explicit ShaderInput(CPT_InternalName name, PyObject *value, int priority=0));
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public:
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INLINE ShaderInput(CPT_InternalName name, Texture *tex, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, ParamValueBase *param, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, ShaderBuffer *buf, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_float &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase4f &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase3f &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase2f &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LMatrix4f &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LMatrix3f &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase4f &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase3f &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase2f &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LMatrix4f &mat, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LMatrix3f &mat, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_double &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase4d &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase3d &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase2d &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LMatrix4d &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LMatrix3d &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase4d &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase3d &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase2d &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LMatrix4d &mat, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LMatrix3d &mat, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_int &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase4i &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase3i &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const PTA_LVecBase2i &ptr, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase4i &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase3i &vec, int priority=0);
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INLINE ShaderInput(CPT_InternalName name, const LVecBase2i &vec, int priority=0);
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ShaderInput(CPT_InternalName name, const NodePath &np, int priority=0);
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PUBLISHED:
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explicit ShaderInput(CPT_InternalName name, Texture *tex, bool read, bool write, int z=-1, int n=0, int priority=0);
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explicit ShaderInput(CPT_InternalName name, Texture *tex, const SamplerState &sampler, int priority=0);
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enum ShaderInputType {
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M_invalid = 0,
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M_texture,
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M_nodepath,
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M_vector,
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M_numeric,
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M_texture_sampler,
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M_param,
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M_texture_image,
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M_buffer,
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};
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INLINE operator bool() const;
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INLINE bool operator == (const ShaderInput &other) const;
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INLINE bool operator != (const ShaderInput &other) const;
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INLINE bool operator < (const ShaderInput &other) const;
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size_t add_hash(size_t hash) const;
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INLINE const InternalName *get_name() const;
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INLINE int get_value_type() const;
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INLINE int get_priority() const;
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INLINE const LVecBase4 &get_vector() const;
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INLINE const Shader::ShaderPtrData &get_ptr() const;
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NodePath get_nodepath() const;
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Texture *get_texture() const;
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const SamplerState &get_sampler() const;
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public:
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ShaderInput() = default;
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INLINE ParamValueBase *get_param() const;
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INLINE TypedWritableReferenceCount *get_value() const;
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static void register_with_read_factory();
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private:
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LVecBase4 _stored_vector;
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Shader::ShaderPtrData _stored_ptr;
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CPT_InternalName _name;
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PT(TypedWritableReferenceCount) _value;
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int _priority;
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int _type;
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friend class ShaderAttrib;
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friend class Extension<ShaderInput>;
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};
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#include "shaderInput.I"
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#endif // SHADERINPUT_H
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