GlFinish: Difference between revisions
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(Created page with "'''_glFinish:''' block until all GL execution is complete {{PageSyntax}} SUB _glFinish void '''_glFinish'''({{Parameter|void}}); {{PageDescription}} '''_glFinish''' does not return until the effects of all previously called GL commands are complete. Such effects include all changes to GL state, all changes to connection state, and all changes to the frame buffer contents. {{PageNotes}} '''_glFinish''' requires a round trip to the server. {{PageSeeAlso}}...") |
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'''_glFinish | {{DISPLAYTITLE:_glFinish}} | ||
The '''_glFinish''' statement blocks until all OpenGL execution is complete. | |||
{{PageSyntax}} | {{PageSyntax}} | ||
: '''_glFinish''' | |||
{{PageParameters}} | |||
* 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]]. | |||
{{OpenGLTypesPlugin}} | |||
{{PageDescription}} | {{PageDescription}} | ||
* 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 [https://docs.microsoft.com/en-us/windows/win32/opengl/glfinish Microsoft Docs] and is also valid for QB64 usage. | ||
{{PageSeeAlso}} | {{PageSeeAlso}} | ||
* [[_GL|SUB _GL]] | |||
[[_GL|SUB _GL]] | |||
{{ | {{PageNavigation}} | ||
[[Category:Final]] | |||
Revision as of 23:01, 16 July 2022
The _glFinish statement blocks until all OpenGL execution is complete.
Syntax
- _glFinish
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