110 lines
3 KiB
C
110 lines
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 glCgShaderContext_src.h
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* @author jyelon
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* @date 2005-09-01
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*/
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#if defined(HAVE_CG) && !defined(OPENGLES)
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#include "pandabase.h"
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#include "string_utils.h"
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#include "internalName.h"
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#include "shader.h"
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#include "shaderContext.h"
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#include "deletedChain.h"
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class CLP(GraphicsStateGuardian);
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/**
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* xyz
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*/
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class EXPCL_GL CLP(CgShaderContext) final : public ShaderContext {
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public:
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friend class CLP(GraphicsStateGuardian);
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CLP(CgShaderContext)(CLP(GraphicsStateGuardian) *glgsg, Shader *s);
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~CLP(CgShaderContext)();
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ALLOC_DELETED_CHAIN(CLP(CgShaderContext));
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bool valid(void) override;
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void bind() override;
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void unbind() override;
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void set_state_and_transform(const RenderState *state,
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const TransformState *modelview_transform,
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const TransformState *camera_transform,
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const TransformState *projection_transform) override;
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void issue_parameters(int altered) override;
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void update_transform_table(const TransformTable *table);
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void update_slider_table(const SliderTable *table);
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void disable_shader_vertex_arrays() override;
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bool update_shader_vertex_arrays(ShaderContext *prev, bool force) override;
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void disable_shader_texture_bindings() override;
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void update_shader_texture_bindings(ShaderContext *prev) override;
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bool uses_standard_vertex_arrays(void) override { return false; }
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bool uses_custom_vertex_arrays(void) override { return true; }
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// Special values for location to indicate conventional attrib slots.
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enum ConventionalAttrib {
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CA_unknown = -1,
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CA_vertex = -2,
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CA_normal = -3,
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CA_color = -4,
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CA_secondary_color = -5,
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CA_texcoord = -32,
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};
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private:
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CGprogram _cg_program;
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GLuint _glsl_program;
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pvector<GLint> _attributes;
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GLint _color_attrib_index;
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CGparameter _transform_table_param;
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CGparameter _slider_table_param;
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long _transform_table_size;
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long _slider_table_size;
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pvector<CGparameter> _cg_parameter_map;
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WCPT(RenderState) _state_rs;
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CPT(TransformState) _modelview_transform;
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CPT(TransformState) _camera_transform;
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CPT(TransformState) _projection_transform;
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GLint _frame_number;
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CLP(GraphicsStateGuardian) *_glgsg;
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void release_resources();
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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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ShaderContext::init_type();
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register_type(_type_handle, CLASSPREFIX_QUOTED "CgShaderContext",
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ShaderContext::get_class_type());
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}
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virtual TypeHandle get_type() const override {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() override {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "glCgShaderContext_src.I"
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#endif // OPENGLES_1
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