libnux-4.0-dev 4.0.8+16.04.20160209-0ubuntu2 / usr / include / Nux-4.0 / NuxGraphics / IOpenGLAsmShader.h

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/*
 * Copyright 2010 Inalogic® Inc.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, as
 * published by the  Free Software Foundation; either version 2.1 or 3.0
 * of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the applicable version of the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of both the GNU Lesser General Public
 * License along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 * Authored by: Jay Taoko <jaytaoko@inalogic.com>
 *
 */


#ifndef IOPENGLASMSHADER_H
#define IOPENGLASMSHADER_H

namespace nux
{

  typedef enum
  {
    VTXATTRIB_INVALID           = -1,
    VTXATTRIB_POSITION          = 0,
    VTXATTRIB_WEIGHT            = 1,
    VTXATTRIB_NORMAL            = 2,
    VTXATTRIB_COLOR             = 3,
    VTXATTRIB_COLOR_PRIMARY     = 3,
    VTXATTRIB_COLOR_SECONDARY   = 4,
    VTXATTRIB_FOGCOORD          = 5,
    VTXATTRIB_TEXCOORD          = 8,
    VTXATTRIB_TEXCOORD0         = 8,
    VTXATTRIB_TEXCOORD1         = 9,
    VTXATTRIB_TEXCOORD2         = 10,
    VTXATTRIB_TEXCOORD3         = 11,
    VTXATTRIB_TEXCOORD4         = 12,
    VTXATTRIB_TEXCOORD5         = 13,
    VTXATTRIB_TEXCOORD6         = 14,
    VTXATTRIB_TEXCOORD7         = 15,
  } VtxAttributeIndex;

  class IOpenGLResource;

  class IOpenGLAsmShader:  public IOpenGLResource
  {
    NUX_DECLARE_OBJECT_TYPE(IOpenGLAsmShader, IOpenGLResource);
    IOpenGLAsmShader(std::string const& shader_name, GLint shader_type, OpenGLResourceType ResourceType);
    virtual ~IOpenGLAsmShader();
  public:
    void SetShaderCode(std::string const& shader_code);
    bool Compile();
    bool IsValid();
    
  protected:
    std::string shader_name_;
    std::string shader_code_;
    
    GLint shader_type_;
    
    bool compiled_and_ready_;
  };

  class IOpenGLAsmVertexShader : public IOpenGLAsmShader
  {
    NUX_DECLARE_OBJECT_TYPE(IOpenGLAsmVertexShader, IOpenGLAsmShader);
    
  public:
    IOpenGLAsmVertexShader();
  };

  class IOpenGLAsmPixelShader : public IOpenGLAsmShader
  {
    NUX_DECLARE_OBJECT_TYPE(IOpenGLAsmPixelShader, IOpenGLAsmShader);
    
  public:
    IOpenGLAsmPixelShader();
  };


  class IOpenGLAsmShaderProgram : public IOpenGLResource
  {
    NUX_DECLARE_OBJECT_TYPE(IOpenGLAsmShaderProgram, IOpenGLResource);
  public:
    virtual ~IOpenGLAsmShaderProgram();

    void LoadVertexShader(const char *glslshader);
    void LoadPixelShader(const char *glslshader);
    void LoadIShaderFile(const char *ShaderFileName);
    void LoadIShader(const char *ShaderCode);
    void Link();

    bool IsValid();

    void Begin();
    void End();

    void SetVertexEnvParameter4dARB         (unsigned int index, double x, double y, double z, double w);
    void SetVertexEnvParameter4dvARB        (unsigned int index, const double *params);
    void SetVertexEnvParameter4fARB         (unsigned int index, float x, float y, float z, float w);
    void SetVertexEnvParameter4fvARB        (unsigned int index, const float *params);
    void SetVertexLocalParameter4dARB       (unsigned int index, double x, double y, double z, double w);
    void SetVertexLocalParameter4dvARB      (unsigned int index, const double *params);
    void SetVertexLocalParameter4fARB       (unsigned int index, float x, float y, float z, float w);
    void SetVertexLocalParameter4fvARB      (unsigned int index, const float *params);

    void SetFragmentEnvParameter4dARB       (unsigned int index, double x, double y, double z, double w);
    void SetFragmentEnvParameter4dvARB      (unsigned int index, const double *params);
    void SetFragmentEnvParameter4fARB       (unsigned int index, float x, float y, float z, float w);
    void SetFragmentEnvParameter4fvARB      (unsigned int index, const float *params);
    void SetFragmentLocalParameter4dARB     (unsigned int index, double x, double y, double z, double w);
    void SetFragmentLocalParameter4dvARB    (unsigned int index, const double *params);
    void SetFragmentLocalParameter4fARB     (unsigned int index, float x, float y, float z, float w);
    void SetFragmentLocalParameter4fvARB    (unsigned int index, const float *params);

  private:
    IOpenGLAsmShaderProgram(std::string ShaderProgramName = std::string("AsmShaderProgram"));
    std::vector<ObjectPtr<IOpenGLAsmShader> > ShaderObjectList;
    std::string _ShaderProgramName;

    ObjectPtr<IOpenGLAsmVertexShader> m_AsmVertexProgram;
    ObjectPtr<IOpenGLAsmPixelShader> m_AsmFragmentProgram;

    friend class GpuDevice;
  };

}

#endif // IOPENGLASMSHADER_H

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