197 lines
7.3 KiB
C
197 lines
7.3 KiB
C
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/**
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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 shaderAttrib.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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* for set_shader_input)
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* @author weifengh, PandaSE
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* @date 2010-04-15
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*/
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#ifndef SHADERATTRIB_H
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#define SHADERATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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#include "pointerTo.h"
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#include "shaderInput.h"
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#include "shader.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 "extension.h"
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/**
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*
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*/
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class EXPCL_PANDA_PGRAPH ShaderAttrib: public RenderAttrib {
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private:
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INLINE ShaderAttrib();
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INLINE ShaderAttrib(const ShaderAttrib ©);
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PUBLISHED:
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static CPT(RenderAttrib) make(const Shader *shader = nullptr, int priority = 0);
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static CPT(RenderAttrib) make_off();
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static CPT(RenderAttrib) make_default();
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enum {
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F_disable_alpha_write = 0, // Suppress writes to color buffer alpha channel.
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F_subsume_alpha_test = 1, // Shader promises to subsume the alpha test using TEXKILL
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F_hardware_skinning = 2, // Shader needs pre-animated vertices
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F_shader_point_size = 3, // Shader provides point size, not RenderModeAttrib
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};
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INLINE bool has_shader() const;
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INLINE bool auto_shader() const;
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INLINE int get_shader_priority() const;
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INLINE int get_instance_count() const;
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INLINE bool auto_normal_on() const;
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INLINE bool auto_glow_on() const;
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INLINE bool auto_gloss_on() const;
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INLINE bool auto_ramp_on() const;
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INLINE bool auto_shadow_on() const;
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CPT(RenderAttrib) set_shader(const Shader *s, int priority=0) const;
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CPT(RenderAttrib) set_shader_off(int priority=0) const;
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CPT(RenderAttrib) set_shader_auto(int priority=0) const;
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CPT(RenderAttrib) set_shader_auto(BitMask32 shader_switch, int priority=0) const;
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CPT(RenderAttrib) clear_shader() const;
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// Shader Inputs
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CPT(RenderAttrib) set_shader_input(const ShaderInput &input) const;
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CPT(RenderAttrib) set_shader_input(ShaderInput &&input) const;
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public:
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, Texture *tex, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const NodePath &np, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_float &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_double &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_LMatrix4 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_LMatrix3 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_LVecBase4 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_LVecBase3 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const PTA_LVecBase2 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const LVecBase4 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const LVecBase3 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const LVecBase2 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const LMatrix4 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, const LMatrix3 &v, int priority=0) const;
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INLINE CPT(RenderAttrib) set_shader_input(CPT_InternalName id, double n1=0, double n2=0, double n3=0, double n4=1,
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int priority=0) const;
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CPT(RenderAttrib) set_shader_inputs(const pvector<ShaderInput> &inputs) const;
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PUBLISHED:
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EXTENSION(CPT(RenderAttrib) set_shader_input(CPT_InternalName, PyObject *, int priority=0) const);
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EXTENSION(CPT(RenderAttrib) set_shader_inputs(PyObject *args, PyObject *kwargs) const);
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CPT(RenderAttrib) set_instance_count(int instance_count) const;
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CPT(RenderAttrib) set_flag(int flag, bool value) const;
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CPT(RenderAttrib) clear_flag(int flag) const;
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CPT(RenderAttrib) clear_shader_input(const InternalName *id) const;
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CPT(RenderAttrib) clear_shader_input(const std::string &id) const;
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CPT(RenderAttrib) clear_all_shader_inputs() const;
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INLINE bool get_flag(int flag) const;
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INLINE bool has_shader_input(CPT_InternalName id) const;
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const Shader *get_shader() const;
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const ShaderInput &get_shader_input(const InternalName *id) const;
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const ShaderInput &get_shader_input(const std::string &id) const;
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NodePath get_shader_input_nodepath(const InternalName *id) const;
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LVecBase4 get_shader_input_vector(InternalName *id) const;
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Texture *get_shader_input_texture(const InternalName *id, SamplerState *sampler=nullptr) const;
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const Shader::ShaderPtrData *get_shader_input_ptr(const InternalName *id) const;
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bool get_shader_input_ptr(const InternalName *id, Shader::ShaderPtrData &data) const;
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const LMatrix4 &get_shader_input_matrix(const InternalName *id, LMatrix4 &matrix) const;
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ShaderBuffer *get_shader_input_buffer(const InternalName *id) const;
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static void register_with_read_factory();
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PUBLISHED:
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MAKE_PROPERTY(shader, get_shader);
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MAKE_PROPERTY(instance_count, get_instance_count);
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public:
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virtual void output(std::ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual size_t get_hash_impl() const;
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virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
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private:
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CPT(Shader) _shader;
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int _shader_priority;
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bool _auto_shader;
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bool _has_shader;
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int _flags;
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int _has_flags;
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int _instance_count;
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bool _auto_normal_on;
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bool _auto_glow_on;
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bool _auto_gloss_on;
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bool _auto_ramp_on;
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bool _auto_shadow_on;
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// We don't keep a reference to the InternalName, since this is also already
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// stored on the ShaderInput object.
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typedef pmap<const InternalName *, ShaderInput> Inputs;
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Inputs _inputs;
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friend class Extension<NodePath>;
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friend class Extension<ShaderAttrib>;
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PUBLISHED:
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static int get_class_slot() {
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return _attrib_slot;
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}
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virtual int get_slot() const {
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return get_class_slot();
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}
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MAKE_PROPERTY(class_slot, get_class_slot);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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RenderAttrib::init_type();
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register_type(_type_handle, "ShaderAttrib",
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RenderAttrib::get_class_type());
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_attrib_slot = register_slot(_type_handle, 10, new ShaderAttrib);
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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static int _attrib_slot;
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};
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#include "shaderAttrib.I"
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#endif // SHADERATTRIB_H
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