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OBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 3 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: View a geometric model in any orientation by transforming it in three-dimensional space; Control the location in three-dimensional space from which the model is viewed CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 3 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: View a geometric model in any orientation by transforming it in three-dimensional space; Control the location in three-dimensional space from which the model is viewed CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. CHAPTER 13 - OPENGL PROGRAMMING GUIDE The Feedback Array. In feedback mode, each primitive that would be rasterized (or each call to glBitmap(), glDrawPixels(), or glCopyPixels(), if the raster position is valid) generates a block of values that's copied into the feedback array.The number of values is determined by the type argument to glFeedbackBuffer(), as listed in Table 13-1.Use the appropriate value for the type of primitives CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to CHAPTER 6 - OPENGL PROGRAMMING GUIDE Antialiasing Points or Lines. To antialias points or lines, you need to turn on antialiasing with glEnable(), passing in GL_POINT_SMOOTH or GL_LINE_SMOOTH, as appropriate.You might also want to provide a quality hint with glHint(). (Remember that you can set the size of a point or the width of a line. APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
CHAPTER 6. GLU REFERENCE PAGES gluCylinder draws a cylinder oriented along the z axis. The base of the cylinder is placed at z = 0, and the top at z = height .Like a sphere, a cylinder is subdivided around the z axis into slices, and along the z axis into stacks.. Note that if topRadius is set to zero, then this routine will generate a cone.. If the orientation is set to GLU_OUTSIDE (with gluQuadricOrientation), then any OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. CHAPTER 13 - OPENGL PROGRAMMING GUIDE The Feedback Array. In feedback mode, each primitive that would be rasterized (or each call to glBitmap(), glDrawPixels(), or glCopyPixels(), if the raster position is valid) generates a block of values that's copied into the feedback array.The number of values is determined by the type argument to glFeedbackBuffer(), as listed in Table 13-1.Use the appropriate value for the type of primitives APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to CHAPTER 6 - OPENGL PROGRAMMING GUIDE Antialiasing Points or Lines. To antialias points or lines, you need to turn on antialiasing with glEnable(), passing in GL_POINT_SMOOTH or GL_LINE_SMOOTH, as appropriate.You might also want to provide a quality hint with glHint(). (Remember that you can set the size of a point or the width of a line. APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
APPENDIX J - OPENGL PROGRAMMING GUIDE This appendix contains the color plates that appear in the printed version of this guide. Plate 1.The scene from the cover of this book, with the objects rendered as wireframe models. OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. CHAPTER 13 - OPENGL PROGRAMMING GUIDE The Feedback Array. In feedback mode, each primitive that would be rasterized (or each call to glBitmap(), glDrawPixels(), or glCopyPixels(), if the raster position is valid) generates a block of values that's copied into the feedback array.The number of values is determined by the type argument to glFeedbackBuffer(), as listed in Table 13-1.Use the appropriate value for the type of primitives APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to CHAPTER 6 - OPENGL PROGRAMMING GUIDE Antialiasing Points or Lines. To antialias points or lines, you need to turn on antialiasing with glEnable(), passing in GL_POINT_SMOOTH or GL_LINE_SMOOTH, as appropriate.You might also want to provide a quality hint with glHint(). (Remember that you can set the size of a point or the width of a line. APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
APPENDIX J - OPENGL PROGRAMMING GUIDE This appendix contains the color plates that appear in the printed version of this guide. Plate 1.The scene from the cover of this book, with the objects rendered as wireframe models. OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. CHAPTER 13 - OPENGL PROGRAMMING GUIDE The Feedback Array. In feedback mode, each primitive that would be rasterized (or each call to glBitmap(), glDrawPixels(), or glCopyPixels(), if the raster position is valid) generates a block of values that's copied into the feedback array.The number of values is determined by the type argument to glFeedbackBuffer(), as listed in Table 13-1.Use the appropriate value for the type of primitives APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to CHAPTER 6 - OPENGL PROGRAMMING GUIDE Antialiasing Points or Lines. To antialias points or lines, you need to turn on antialiasing with glEnable(), passing in GL_POINT_SMOOTH or GL_LINE_SMOOTH, as appropriate.You might also want to provide a quality hint with glHint(). (Remember that you can set the size of a point or the width of a line. APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
APPENDIX J - OPENGL PROGRAMMING GUIDE This appendix contains the color plates that appear in the printed version of this guide. Plate 1.The scene from the cover of this book, with the objects rendered as wireframe models. OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 13 - OPENGL PROGRAMMING GUIDE The Feedback Array. In feedback mode, each primitive that would be rasterized (or each call to glBitmap(), glDrawPixels(), or glCopyPixels(), if the raster position is valid) generates a block of values that's copied into the feedback array.The number of values is determined by the type argument to glFeedbackBuffer(), as listed in Table 13-1.Use the appropriate value for the type of primitives CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to CHAPTER 2. OVERVIEW OF COMMANDS AND ROUTINES Now that you have a general idea of how OpenGL works from Chapter 1, let's take a closer look at the stages in which data is actually processed and tie these stages to OpenGL commands.The figure shown on the next page is a more detailed block diagram of the OpenGL processing pipeline. APPENDIX H - OPENGL PROGRAMMING GUIDE OpenGL is not a pixel-exact specification. It therefore doesn't guarantee an exact match between images produced by different OpenGLimplementations.
APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 11 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Render concave filled polygons by first tessellating them into convex polygons, which can be OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 11 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Render concave filled polygons by first tessellating them into convex polygons, which can be OPENGL REFERENCE MANUAL OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. CHAPTER 2 - OPENGL PROGRAMMING GUIDE Restrictions on Using glBegin() and glEnd() The most important information about vertices is their coordinates, which are specified by the glVertex*() command. You can also supply additional vertex-specific data for each vertex - a color, a normal vector, texture coordinates, or any combination of these - using specialcommands.
CHAPTER 3 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: View a geometric model in any orientation by transforming it in three-dimensional space; Control the location in three-dimensional space from which the model is viewed CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. CHAPTER 12 - OPENGL PROGRAMMING GUIDE More than one evaluator can be evaluated at a time. If you have both a GL_MAP1_VERTEX_3 and a GL_MAP1_COLOR_4 evaluator defined and enabled, for example, then calls to glEvalCoord1() generate both a position and a color. Only one of the vertex evaluators can be enabled at a time, although you might have defined both of them. APPENDIX G - OPENGL PROGRAMMING GUIDE This appendix lists some tips and guidelines that you might find useful. Keep in mind that these tips are based on the intentions of the designers of the OpenGL, not on any experience with actual applications and implementations! CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
CHAPTER 2. OVERVIEW OF COMMANDS AND ROUTINES Now that you have a general idea of how OpenGL works from Chapter 1, let's take a closer look at the stages in which data is actually processed and tie these stages to OpenGL commands.The figure shown on the next page is a more detailed block diagram of the OpenGL processing pipeline. OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 11 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Render concave filled polygons by first tessellating them into convex polygons, which can be APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 3 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: View a geometric model in any orientation by transforming it in three-dimensional space; Control the location in three-dimensional space from which the model is viewed OPENGL REFERENCE MANUAL Prev : Table of Contents Next OpenGL Reference Manual (Addison-Wesley Publishing Company) Preface OPENGL PROGRAMMING GUIDE : TABLE OF CONTENTSABOUT THIS GUIDEINTRODUCTION TO OPENGLSTATE MANAGEMENT AND DRAWING GEOMETRICOBJECTSVIEWING
The Official Guide to Learning OpenGL, Version 1.1 . About This Guide; Chapter 1. Introduction to OpenGL; Chapter 2. State Management and Drawing Geometric Objects CHAPTER 9 - OPENGL PROGRAMMING GUIDE Note: In Table 9-2 and Table 9-3, a subscript of t indicates a texture value, f indicates the incoming fragment value, c indicates the values assigned with GL_TEXTURE_ENV_COLOR, and no subscript indicates the final, computed value.Also in the tables, multiplication of a color triple by a scalar means multiplying each of the R, G, and B components by the scalar; multiplying (or adding) two CHAPTER 8 - OPENGL PROGRAMMING GUIDE Remember that, depending on the format, anywhere from one to four elements are read (or written). For example, if the format is GL_RGBA and you're reading into 32-bit integers (that is, if type is equal to GL_UNSIGNED_INT or GL_INT), then every pixel read requires 16 bytes of storage (four components ´ four bytes/component).. Each element of the image is stored in memory as indicated by Table CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. CHAPTER 11 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Render concave filled polygons by first tessellating them into convex polygons, which can be APPENDIX B - OPENGL PROGRAMMING GUIDE This appendix lists the queryable OpenGL state variables, their default values, and the commands for obtaining the values of these variables. The OpenGL Reference Manual contains detailed information on all the commands and constants discussed in this appendix.This appendix has these major sections: CHAPTER 5 - OPENGL PROGRAMMING GUIDE As discussed in "Selecting a Lighting Model," you can choose to have lighting calculations performed differently for the front- and back-facing polygons of objects. If the back faces might indeed be seen, you can supply different material properties for the front and the back surfaces by using the face parameter of glMaterial*().See "Plate 14" in Appendix I for an example of an object drawn CHAPTER 10 - OPENGL PROGRAMMING GUIDE Stencil Examples. Probably the most typical use of the stencil test is to mask out an irregularly shaped region of the screen to prevent drawing from occurring within it (as in the windshield example in "Buffers and Their Uses").To do this, fill the stencil mask withzeros,
CHAPTER 3 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: View a geometric model in any orientation by transforming it in three-dimensional space; Control the location in three-dimensional space from which the model is viewed OPENGL REFERENCE MANUAL Prev : Table of Contents Next OpenGL Reference Manual (Addison-Wesley Publishing Company) Preface CHAPTER 1 - OPENGL PROGRAMMING GUIDE Thus, the two commands. glVertex2i(1, 3); glVertex2f(1.0, 3.0); are equivalent, except that the first specifies the vertex's coordinates as 32-bit integers, and the second specifies them as single-precision floating-point numbers. OPENGL PROGRAMMING GUIDE About This Guide. The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. OPENGL REFERENCE MANUAL Prev : Table of Contents Next OpenGL Reference Manual (Addison-Wesley Publishing Company) Preface CHAPTER 4 - OPENGL PROGRAMMING GUIDE Specifying a Color in Color-Index Mode. In color-index mode, use the glIndex*() command to select a single-valued color index as the current color index.. void glIndex{sifd ub}(TYPE c); void glIndex{sifd ub}v(const TYPE *c); Sets the current color index to c.The first suffix for this command indicates the data type for parameters: short, integer, float, double, or unsigned byte. APPENDIX J - OPENGL PROGRAMMING GUIDE This appendix contains the color plates that appear in the printed version of this guide. Plate 1.The scene from the cover of this book, with the objects rendered as wireframe models. CHAPTER 1. INTRODUCTION TO OPENGL OpenGL draws primitives—points, line segments, or polygons—subject to several selectable modes.You can control modes independently of each other; that is, setting one mode doesn't affect whether other modes are set (although many modes may interact to determine what eventually ends up in APPENDIX G - OPENGL PROGRAMMING GUIDE This appendix lists some tips and guidelines that you might find useful. Keep in mind that these tips are based on the intentions of the designers of the OpenGL, not on any experience with actual applications and implementations! CHAPTER 2. OVERVIEW OF COMMANDS AND ROUTINES Now that you have a general idea of how OpenGL works from Chapter 1, let's take a closer look at the stages in which data is actually processed and tie these stages to OpenGL commands.The figure shown on the next page is a more detailed block diagram of the OpenGL processing pipeline. APPENDIX C - OPENGL PROGRAMMING GUIDE OpenGL rendering is supported on systems that run Microsoft Windows NT and Windows 95. The functions and routines of the Win32 library are necessary to initialize the pixel format and control rendering forOpenGL.
CHAPTER 7 - OPENGL PROGRAMMING GUIDE Chapter Objectives. After reading this chapter, you'll be able to do the following: Understand how display lists can be used along with commands in immediate mode to home :: about :: development guides :: irc :: forums:: search :: paste
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Shadertoy
03:27:49 06/Nov/2015 :: DELTRON > GLProgramming.com Newswww.shadertoy.com
Shadertoy is the first application to allow developers all over the globe to push pixels from code to screen using WebGL since 2009. This website is the natural evolution of that original idea. On one hand, it has been rebuilt in order to provide the computer graphics developers and hobbyists with a great platform to prototype, experiment, teach, learn, inspire and share their creations with the community. On the other, the expressiveness of the shaders has arisen by allowing different types of inputs such as video, webcam or sound.(0 comments)
GLSL Hacker 0.6.0 Released 01:58:15 08/Nov/2013 :: DELTRON > GLProgramming.com News OpenGL 3.3 Tutorials For Windows GLSL Hacker is a cross platform demotool for Windows, Linux and Mac OS X and is based on popular programming languages such as GLSL, Lua and Python. The new version of GLSL Hacker brings the support of Mac OS X 10.9 (OpenGL 4), NVIDIA PhysX 3 as well as a preliminary support ofRaspberry Pi.
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OpenGL 3.3 Tutorials For Windows 21:34:34 18/Jan/2012 :: DELTRON > GLProgramming.com News OpenGL 3.3 Tutorials For Windows OpenGL 3.3 Tutorials for Windows written in a step-by-step fashion, starting from context creation. For those who want to learn and use modern OpenGL on Windows with no or little experience, these tutorials will give you a good foundation for your OpenGL programming.(0 comments)
OpenGL Samples Pack 4.1.7.1 released with Linux support 23:30:29 19/Jul/2011 :: DELTRON > GLProgramming.com News OpenGL Samples Pack is a set of 100 simple OpenGL samples to illustrate the OpenGL specification up to version 4.1. This new version includes the Linux platform for the entire set of samples. http://www.g-truc.net/post-0410.html#menu(0 comments)
3D Shape generator
00:11:42 13/Feb/2011 :: DELTRON > GLProgramming.com News 3D Shape generator using OpenGL3 and OpenCL Belgian scientist Johan Gielis discovered a mathematical formula to describe many shapes existing in nature. This formula is called the “Super Formula ”. To demonstrate GPGPU and to show that it can be used for many purposes including simply having some fun, Organic Vectory developed the “SuperShaper”. A tool that uses OpenCL to create very high-detail 3D models using the Super Formula.(3 comments)
Behind the 4k intro \'Elevated\'. A presentation by Iñigo Quilez. 17:22:42 22/Jul/2010 :: DELTRON > GLProgramming.com NewsDetails
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