GlDisable: Difference between revisions
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* [[_glClipPlane]], [[_glColorMaterial]], [[_glColorPointer]], [[_glCullFace]] | * [[_glClipPlane]], [[_glColorMaterial]], [[_glColorPointer]], [[_glCullFace]] | ||
* [[_glDepthFunc]], [[_glDepthRange]], [[_glDrawArrays]], [[_glEdgeFlagPointer]] | * [[_glDepthFunc]], [[_glDepthRange]], [[_glDrawArrays]], [[_glEdgeFlagPointer]] | ||
* [[_glEnable]], [[_glEnd]], [ | * [[_glEnable]], [[_glEnd]], [https://docs.microsoft.com/en-us/windows/win32/opengl/glevalcoord-functions _glEvalCoord1], [https://docs.microsoft.com/en-us/windows/win32/opengl/glevalmesh-functions _glEvalMesh1] | ||
* [ | * [https://docs.microsoft.com/en-us/windows/win32/opengl/glevalpoint _glEvalPoint1], [https://docs.microsoft.com/en-us/windows/win32/opengl/glfog _glFog], [https://docs.microsoft.com/en-us/windows/win32/opengl/glgetbooleanv--glgetdoublev--glgetfloatv--glgetintegerv _glGet], [[_glIndexPointer]] | ||
* [[_glIsEnabled]], [https://docs.microsoft.com/en-us/windows/win32/opengl/gllight-functions _glLight], [https://docs.microsoft.com/en-us/windows/win32/opengl/gllightmodel-functions _glLightModel], [[_glLineWidth]] | |||
* [[_glLineStipple]], [[_glLogicOp]], [https://docs.microsoft.com/en-us/windows/win32/opengl/glmap1 _glMap1], [https://docs.microsoft.com/en-us/windows/win32/opengl/glmap2 _glMap2] | |||
* [https://docs.microsoft.com/en-us/windows/win32/opengl/glmaterial-functions _glMaterial], [https://docs.microsoft.com/en-us/windows/win32/opengl/glnormal-functions _glNormal], [[_glNormalPointer]], [[_glPointSize]] | |||
* [[_glPolygonMode]], [[_glPolygonStipple]], [[_glScissor]], [[_glStencilFunc]] | |||
* [[_glStencilOp]], [[_glTexCoordPointer]], [https://docs.microsoft.com/en-us/windows/win32/opengl/gltexgen-functions _glTexGen], [[_glTexImage1D]] | |||
* [[_glTexImage2D]] | |||
Revision as of 16:32, 22 July 2022
The _glDisable statement disables OpenGL capabilities.
Syntax
- _glDisable GLenum cap
Parameters
- OpenGL is using its own set of variable types to describe its command parameters.
- Use the following table to find the respective QB64 Variable Types.
Table 2: Relations between the OpenGL variable types vs. C/C++ and QB64. ┌──────────────┬────────────────┬──────────────────────────────────────────┐ │ OpenGL │ C/C++ │ QB64 │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLenum │ unsigned int │ _UNSIGNED LONG │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLboolean │ unsigned char │ _UNSIGNED _BYTE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLbitfield │ unsigned int │ _UNSIGNED LONG │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLbyte │ signed char │ _BYTE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLshort │ short │ INTEGER │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLint │ int │ LONG │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLsizei │ int │ LONG │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLubyte │ unsigned char │ _UNSIGNED _BYTE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLushort │ unsigned short │ _UNSIGNED INTEGER │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLuint │ unsigned int │ _UNSIGNED LONG │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLfloat │ float │ SINGLE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLclampf │ float │ SINGLE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLdouble │ double │ DOUBLE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLclampd │ double │ DOUBLE │ ├──────────────┼────────────────┼──────────────────────────────────────────┤ │ GLvoid (1) │ void │ _OFFSET(any fixed lenght string or _BYTE │ │ │ │ array element) │ └──────────────┴────────────────┴──────────────────────────────────────────┘ Note: If a parameter has an asterisk (*) in front, then it's a pointer to the designated OpenGL variable type, rather than a value of that type. Those must be passed using the _OFFSET(...) notation. E.g. GLuint *anyParam is actually the offset of a _UNSIGNED LONG (~&) variable or array, which must be passed as _OFFSET(anyVar~&) or _OFFSET(anyArr~&()) respectively. (1) This type is regularly only used for pointers (with asterisk (*)) to any byte sized memory data, hence _BYTE or fixed length strings. |
Description
- OpenGL's documentation is available in several places, so we won't reproduce it here for another time.
- The full description for this command can be found at Microsoft Docs and is also valid for QB64 usage.
See also
- SUB _GL
- _glAlphaFunc, _glArrayElement, _glBegin, _glBlendFunc
- _glClipPlane, _glColorMaterial, _glColorPointer, _glCullFace
- _glDepthFunc, _glDepthRange, _glDrawArrays, _glEdgeFlagPointer
- _glEnable, _glEnd, _glEvalCoord1, _glEvalMesh1
- _glEvalPoint1, _glFog, _glGet, _glIndexPointer
- _glIsEnabled, _glLight, _glLightModel, _glLineWidth
- _glLineStipple, _glLogicOp, _glMap1, _glMap2
- _glMaterial, _glNormal, _glNormalPointer, _glPointSize
- _glPolygonMode, _glPolygonStipple, _glScissor, _glStencilFunc
- _glStencilOp, _glTexCoordPointer, _glTexGen, _glTexImage1D
- _glTexImage2D