Gl get error string. glGetError returns the value of the error flag.

Gl get error string glGetActiveAttrib returns information about an active attribute variable in the program object specified by program. Vendor string . Thanks a lot! This is the vertex program: #version 130 uniform int test_var; uniform sampler2D sp_surface; uniform sampler2D sp_cloud; uniform sampler2D sp_bump; out vec3 normal_v; Dec 29, 2023 · Errors. Briefly, this feature provides a method for the driver to provide textual message information back to the application. May 29, 2022 · 您遇到的错误 “‘xxx’ was not declared in this scope” 表明编译器在当前作用域内找不到。不在标准包含路径中，您可能需要在编译命令中指定正确的路径，或者在包含语句中使用相对或绝对路径。确保您使用的编译器支持您的代码结构。 Jun 30, 2022 · Description. The GL_EXTENSIONS string is a space-separated list of supported GL extensions. Mar 26, 2006 · You can not cast a char* to a string*. The first is a pointer to flat memory. Althogh it fails to set the sampler, the shader program works almost correct, excepts only the first texture is working. The socond ist a pointer to a class object. \$\endgroup\$ – Apr 25, 2024 · Properties Reactive Properties maxWidth: string . Sep 27, 2018 · 文章浏览阅读3. data returns a pair of values indicating the range of widths supported for aliased lines. When an error occurs, the error flag Nov 29, 2012 · 详解Android获得系统GPU参数 gl. If you wish to use it after that, you need to make your own copy of it before returning. For glGetStringi, specifies the index of the string to return. name can be one of the following: GL_VENDOR Returns the company responsible for this GL implementation. Jun 1, 2012 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site May 25, 2011 · My problem is: glGetUniformLocation() always give me -1. 使用glGetString(GL_VERSION)函数的返回值是null，原因是在使用opengl函数之前，要先初始化渲染的上下文（rending text），在这里的解决方法是，在调用此函数前，要先调用glutInit()和glutCreateWindow()函数。 Aug 7, 2017 · 发生错误时，错误标志将设置为相应的错误代码值。在调用glGetError（返回错误代码）之前，不会记录其他错误，并将标志重置为GL_NO_ERROR。如果对glGetError的调用返回GL_NO_ERROR，则自上次调用glGetError或自GL初始化以来，没有可检测到的错误 Jun 12, 2023 · GL_VENDOR和GL_RENDERER一起的字符串唯一指定平台，并且不会从发布更改为发布。 平台识别算法应以此类方式使用它们。 glGetString 返回的字符串的格式和内容取决于实现，但以下情况除外： 扩展名称将不包括空格字符，并将用GL_EXTENSIONS字符 Oct 3, 2020 · 在应用程序用glGetError查询第一个错误代码之前，不会记录其他错误。 一旦查询到错误代码，当前错误代码便被复位为GL_NO_ERROR。 除了GL_OUT_OF_MEMORY错误之外，生成错误的命令会被忽略，且不会影响OpenGL ES 状态。 1. glGetString通过文档的查找，以及源码的剖析，Android的GPU信息需要通过OpenGL来获取，android framework层提供GL10来获取相应的参数，而GL10要在使用自定义的View时才可以获得，下面是获得GPU信息的例子：1. data returns a single value indicating the active multitexture unit. 5k次，点赞4次，收藏5次。1 问题背景搞openGL，排查错误的一个好办法，是执行完一句GL调用，就加一句glGetError，如果有错误，这个函数会返回非0值！本文就是讨论，遇到了，glGetError返回0x501错误的问题。0x501一般代表，GL Jul 24, 2020 · Android内存泄漏：检测关键函数并解决GL_OUT_OF_MEMORY和GL error: Out of memory! OpenGLRenderer We IdcEditor 的博客 09-23 911 通过使用适当的内存分析工具，仔细检查关键函数的实现，并正确处理上下文引 Aug 10, 2019 · 错误1：如下蓝色部分表示：原因是变量的定义位置不正确，需要把变量name定义在函数的开头部分 2. 9147 Vendor : NVIDIA Dec 29, 2023 · Description. For glGetStringi, specifies the Mar 7, 2022 · Description. GL_VERSION: Returns a version or Mar 26, 2006 · You can not cast a char* to a string*. 实现Render类class DemoRenderer implements GLSurfaceVie Apr 28, 2020 · Saved searches Use saved searches to filter your results more quickly Jul 7, 2022 · OpenGL的指令，返回值均为void，因此没法通过返回值来判断 指令错误 。为了能够第一时间发现问题，需要加入一个封装来监测是否有指令调用失败。当OpenGL调用出现错误时，会将错误的ID储存到一个`GLenum`中。这个值可以通过glGetError()获取到。 Jun 30, 2022 · GL_ACTIVE_TEXTURE. You can create a string object from the returned pointer: Dec 3, 2017 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site Dec 1, 2019 · Sample Code References. The sizes returned are in units of the type returned by a query of GL_UNIFORM_TYPE. 3, and I am encountering an issue: glGetProgramInfoLog is returning an empty string while glGetProgramiv is saying that there is an error Mar 20, 2017 · 文章浏览阅读7k次。本文探讨了在OpenGL中如何检测和处理Shader错误。通过利用OpenGL的错误查询接口，可以获取到Shader编译和链接时的错误信息，进而封装成方便使用的错误检测函数。文章提供了一种加载和检查Shader错误的实现方式，帮助 Mar 8, 2016 · 版本获取 api: glGetString(GL_VERSION);会返回一个表示版本的字符串，字符串的格式为X. GL_VERSION - Returns a version or release number. Jul 31, 2024 · Debug Output is an OpenGL feature that makes debugging and optimizing OpenGL applications easier. index Jun 30, 2022 · GL_DELETE_STATUS. There’s a lot of history with people using fixed-size buffers to copy the merged extension string into and having that break when someone releases a new driver, which is what GL_VENDOR: Returns the name of the company responsible for this GL implementation. GL_COMPILE_STATUS. 9k次。文章讲述了在使用osg库时遇到的OpenGL错误，主要是由于设置了OpenGL无法识别的uniform。关闭不必要的uniform或者自定义uniform可以避免这个问题。同时，文章提到了osg::State中的错误检查选项，用于在不同级别检测和处理 Oct 19, 2006 · Hi I have downloded and installed the latest version of my graphic card. Additionally, glGetStringi accepts the GL_EXTENSIONS token. 1 glGetError命令 GLglGet Provided by: opengl-4-man-doc_1. Jun 30, 2022 · Specifies a symbolic constant, one of GL_EXTENSIONS, GL_RENDERER, GL_SHADING_LANGUAGE_VERSION, GL_VENDOR, or GL_VERSION. glfwOpenWindow should do that, but I suspect you're passing invalid parameters. 14. The initial value is GL_TEXTURE0. If not software Fix by using a new device, or try new GPU, clean and reseat graphics card. Each detectable Dec 29, 2023 · name. Use diagnostic software to check RAM, use latest drivers. GL_INVALID_OPERATION is generated if location does not correspond to a valid uniform Mar 8, 2021 · 提供了对标准2D图像的处理能力，可以存储静态的贴图图像或者帧缓冲区的渲染结果。其使用二维的纹理坐标系，通过将纹理坐标映射到纹理图像上的对应位置，可以实现纹理贴图、纹理过滤、纹理环绕等操作。纹理的特点使用二维纹理坐标系进行操作；使用函数加载纹理数据；通过纹理过滤和纹理 . 📅 2015-Sep-14 ⬩ ️ Ashwin Nanjappa ⬩ 🏷️ error, glew ⬩ 📚 Archive. CSS style override that applies to the control's container. Returns the company responsible for this GL implementation. [en_US];LogoGraphic= optional in each section if there are localized graphics. This way you only need to setup the callback during If any single error flag has recorded an error, the value of that flag is returned and that flag is reset to GL_NO_ERROR when glGetError is called. The glGetError function returns one of the following error codes, or GL_NO_ERROR if no (more) errors are available. Additionally , glGetStringi accepts the Oct 25, 2012 · 通过调用glBindAttribLocation函数，可以将顶点属性变量名与位置进行绑定，从而让着色器程序知道如何将顶点数据传递给对应的变量，进而完成顶点着色器的渲染过程。在实际开发中，它通常会与glVertexAttribPointer等函数一起使用，以设置并传递顶点数据，并渲染出具有指定属性的3D物体。 May 8, 2024 · \$\begingroup\$ Sounds very much like hardware problems (RAM on GPU or badly seated card) and could be due to many reasons. gluErrorString produces an error string from a GL or GLU error code. GL_RENDERER: Returns the name of the renderer. Dec 11, 2020 · Requirement Value; Minimum supported client: Windows 2000 Professional [desktop apps only] Minimum supported server: Windows 2000 Server [desktop apps only] May 22, 2022 · opengGL的开发比较麻烦的一点就是错误查找不好跟踪。glGetError()会返回最前面的一个错误码，注意这不一定是最后的gl函数调用所产生的错误码。opengl的错误码是按照先进先出的方式处理。 May 9, 2008 · These features may be implemented as extensions to the standard GL. GL_MAX_DEBUG_GROUP_STACK_DEPTH (GLint, at least 64) The maximum depth of the debug message group stack. The information log for a shader object is a string that may contain diagnostic messages, warning messages, and other information about the last compile operation. glGetString returns a pointer to a static string describing some aspect of the current GL connection. glGetStringi accepts only the GL_EXTENSIONS token. This name does not change from release to release. You can create a string object from the returned pointer: Aug 25, 2022 · Which Khadas SBC do you use? Edge V Which system do you use? Android, Ubuntu, OOWOW or others? Ubuntu 18. glGetString (GLenum ( name) )-> const GLubyte* glGetString ( Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_SHADING_LANGUAGE_VERSION. 实现Render类class DemoRenderer implements GLSurfaceVie Feb 1, 2021 · Additionally, glGetStringi accepts the GL_EXTENSIONS token. Try on different hardware to eliminate possible software issues. For glGetStringi, specifies the Jan 15, 2021 · OpenGL(Open Graphics Library，译为“开放式图形库”) 是用于渲染2D、3D矢量图形的跨语言、跨平台的应用程序编程接口（API）。这个接口由近350个不同的函数调用组成，用来绘制从简单的图形元件到复杂的三维景象。OpenGL常用于CAD、虚拟现实、科学可视化程序和电 Sep 27, 2018 · 文章浏览阅读3. For glGetStringi, specifies the Jun 30, 2022 · Specifies a symbolic constant, one of GL_EXTENSIONS, GL_RENDERER, GL_SHADING_LANGUAGE_VERSION, GL_VENDOR, or GL_VERSION. GL_ALIASED_LINE_WIDTH_RANGE. Thus, glGetError should always be called in a loop, until it returns GL_NO_ERROR , if In this function you can do whatever you like, such as setting a breakpoint in the debugger, or printing the error to a log file. Additionally, glGetStringi accepts the GL_EXTENSIONS token. 1 or 2. 2w次。Android OpenGL create GL program: 0 & GL error: 1282快速解决1. 0 程序对象中指定接口类型的资源索引。它接受程序对象名、接口类型和资源名作为参数，返回匹配资源的索引。适用的接口类型包括 GL_UNIFORM、GL_UNIFORM Aug 24, 2006 · Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_EXTENSIONS. 使用自己构建的 May 25, 2004 · OpenGL man pages glGetString. Oct 31, 2002 · gluErrorString NAME gluErrorString-- produce an error string from an OpenGL or GLU error code C SPECIFICATION const GLubyte* gluErrorString(GLenum errorCode Jul 15, 2022 · 在执行创建着色器(glCreateShader)时,出现创建错误。大概初始化出问题了，开始查阅流程。如果你使用一个扩展加载器程序库（extension loader library）来访问现代OpenGL，然后当需要初始化它时，加载器需要一个当前 Nov 25, 2007 · Now what I'm trying to do is pass the string that GL_VENDOR gives onto it, to do something like this (which is in a class function, of course): char vendor = (char)glGetString(GL_VENDOR); log::logMsg("%s", vendor); But I just get the error: Quote: cannot If I remove the pointer, turning it into (char)gl, I get warnings that I'm casting Feb 5, 2021 · The string length of the oldest debug message in the debug message log, or 0 if there are no strings. Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_SHADING_LANGUAGE_VERSION. A value of 0 for index selects the first active uniform variable. I am wondering how I would go about troubleshooting this as when I don't have the Oculus Rift plugged in everything Jun 30, 2022 · If pname is GL_UNIFORM_SIZE, then an array identifying the size of the uniforms specified by the corresponding array of uniformIndices is returned. Aug 16, 2022 · 不会记录其他错误，并将标志重置为GL_NO_ERROR。如果对glGetError的调用返回GL_NO_ERROR，则自上次调用glGetError或自GL 初始化以来，没有可检测到的错误。为了允许分布式实现，可能存在多个错误标志。 Nov 26, 2024 · 文章浏览阅读4. Take care that the code may be old, broken or not even use PyOpenGL. A value of 0 for index selects the first active attribute variable. glGetError returns the value of the error flag. I looked up my log file and my source code which points all fingers to glGetString(GL_VENDOR); So far i have not played any games on Linux so i don’t even know if there is any hardware acceleration. (Extension names never contain a space character. Each detectable error is assigned a numeric code and symbolic name. 2k次。本文介绍了如何在OpenGL编程中封装方法以检测指令错误。当OpenGL调用出现错误时，错误ID会被存储，通过`glGetError()`获取。提供了一个宏定义的封装示例，并展示了错误检查接口的调用方式，帮助开发者及时发现并解决 The Simple Directmedia Layer Wiki Dec 29, 2023 · Description. getError() method, including its syntax, code examples, specifications, and browser compatibility. GL_RENDERER - Returns the name of the renderer. When an error occurs, the error flag is set to the appropriate error code value. glGetError returns the value of the error flag. Feb 27, 2021 · 错误1：如下蓝色部分表示：原因是变量的定义位置不正确，需要把变量name定义在函数的开头部分 2. Jun 13, 2023 · 例如， gluErrorString (GL_OUT_OF_MEMORY) 返回字符串“内存不足”。 标准 GLU 错误代码GLU_INVALID_ENUM、GLU_INVALID_VALUE和GLU_OUT_OF_MEMORY。 某些其他 GLU 函数可以通过回调返回专用错误代码。 有关 OpenGL 错误代码的列表，请。 May 11, 2020 · GL_VENDOR - Returns the company responsible for this GL implementation. GL_RENDERER. But Oct 11, 2019 · OpenGL函数库相关的API有核心库(gl)、实用库(glu)、辅助库(aux)、实用工具库(glut)、窗口库(glx、agl、wgl)和扩展函数库等。从图可以看出，gl是核心，glu是对gl的部分封装。glx、agl、wgl 是针对不同窗口系统的函数。glut是为跨平台的OpenGL程序的工具包，比aux功能强 Jun 26, 2014 · return a string describing the current GL connection Signature. Dec 13, 2024 · 本文整理汇总了C++中glGetString函数的典型用法代码示例。如果您正苦于以下问题：C++ glGetString函数的具体用法？C++ glGetString怎么用？C++ glGetString使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。 glGetString NAME glGetString-- returns a string describing the current GL connection C SPECIFICATION const GLubyte *glGetString(GLenum name) PARAMETERS name Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_EXTENSIONS. You typically check for error after initializing GLEW Jul 1, 2021 · 文章浏览阅读1. GL_INVALID_OPERATION is generated if program is not a program object. index For glGetStringi, specifies the index of the string to return. The string is in ISO Latin 1 . For example, gluErrorString(- GL_OUT_OF_MEMORY) returns the string Jun 30, 2022 · The size of the buffer required to store the returned information log can be obtained by calling glGetShader with the value GL_INFO_LOG_LENGTH. 0? I'm using something like this: #define Thus, it often makes sense to write a small helper function to easily print out the error strings together with where the error check function was called: GLenum Is there a function, which takes the value of glGetError and creates a readable string out of it? Thanks, Jan. GL_DEBUG_OUTPUT (GLboolean, The maximum length of a debug message string, including its NUL terminator. GL_INVALID_OPERATION is generated if program has not been successfully linked. . The version number uses one of these forms: Apr 23, 2023 · 文章浏览阅读1. DESCRIPTION glGetString returns a pointer to a static string describing some aspect of the Jun 12, 2023 · GL_NO_ERROR 未记录任何错误。 此符号常量的值保证为零。 GL_STACK_OVERFLOW 此函数将导致堆栈溢出。 忽略有问题的函数，除了设置错误标志外，没有副作用。 GL_STACK_UNDERFLOW Jan 12, 2018 · I am currently trying to write a basic program using OpenGL 3. X，就是三个整数，用小数点隔开，第一个数表示OpenGL主版本号，第二个数表示OpenGL次版本号，第三个数表示厂商发行代号 const char* version = (const char*)glGetString(GL_VERSION); printf("Op Dec 1, 2019 · Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_SHADING_LANGUAGE_VERSION. Description glGetString returns a pointer to a static string describing some aspect of the current GL connection. It also provides a mechanism for an application to insert its own debugging messages into the stream and to annotate GL objects with human Oct 31, 2014 · Hello, I am developing for the Oculus Rift and in certain instances calling glfwCreateWindow() crashes with an exception. The GL_VERSION string begins with a version number. The OpenGL implementations have a vendor string associated with it that is used for identifying the maker of the implementation. 0~svn33624-1_all NAME glGetString - return a string describing the current GL connection C SPECIFICATION const GLubyte *glGetString(GLenum name); const GLubyte *glGetStringi(GLenum name, GLuint index); PARAMETERS name Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or Dec 29, 2023 · GL_EXTENSIONS. Mar 3, 2024 · Alternatively, do a glBlitFramebuffer() to downsample the texture from MSAA-to-1x, and then glGetTexImage() on the result. You can create a string object from the returned pointer: Jun 29, 2021 · OpenGL(Open Graphics Library，译为“开放式图形库”) 是用于渲染2D、3D矢量图形的跨语言、跨平台的应用程序编程接口（API）。这个接口由近350个不同的函数调用组成，用来绘制从简单的图形元件到复杂的三维景象。OpenGL常用于CAD、虚拟现实、科学可视化程序和电 Dec 14, 2021 · 文章浏览阅读1. 9k次。本文深入解析OpenGL中的错误处理机制，详细介绍了glGetError函数的使用方法及其返回的各种错误代码含义，如GL_INVALID_ENUM、GL_INVALID_VALUE等，帮助开发者理解如何在程序中检测和处理OpenGL错误。 Jun 30, 2022 · Specifies a symbolic constant, one of GL_EXTENSIONS, GL_RENDERER, GL_SHADING_LANGUAGE_VERSION, GL_VENDOR, or GL_VERSION. h 里查询这个数，就能看到错误类型。如果不添加错误信息检测代码，直接运行的话，只能看到黑屏，不会有错误提示，有了错误检测，会看到终端循环 Apr 28, 2012 · 详解Android获得系统GPU参数 gl. Sep 28, 2024 · Learn about the WebGLRenderingContext. The string that is returned will be null terminated. This is hardcoded as the backup string section if the string can not be found in default or the OS section. The number of active uniform variables can be obtained by calling glGetProgram with the value GL_ACTIVE_UNIFORMS. 04. Dec 11, 2020 · Requirement Value; Minimum supported client: Windows 2000 Professional [desktop apps only] Minimum supported server: Windows 2000 Server [desktop apps only] Mar 26, 2006 · You can not cast a char* to a string*. Apr 16, 2005 · Im trying to port my library from Win32 to Linux. The following code samples have been found which appear to reference the functions described here. Each error code represents a category of If more than one flag has recorded an error, glGetError returns and clears an arbitrary error flag value. Otherwise, name is Although not an error, GL_INVALID_INDEX is returned if name is not the name of a resource within the interface identified by programInterface. here’s the features of my graphic card reported by GLinfo: Driver Version : 6. No other errors are recorded until glGetError is called, the error code is returned, and Is there a standard for getting an error string from glGetError() (Android and iOS) and eglGetError() (Android) in OpenGL ES 1. The number of active attributes can be obtained by calling glGetProgram with the value GL_ACTIVE_ATTRIBUTES. GL_VENDOR. GET_COMBINATION_ID: This API Finds combination_id for given set of key flexfield segment values. This name is typically specific to a particular configuration of a hardware platform. Otherwise, name is considered not to be the name of an Jul 2, 2021 · 上篇对glViewPort的实现可见一斑。但是并没有提及其中的思路所在。本篇主要是简短地介绍一下WGL的实现思路。由于OpenGL是一个状态机，既然是状态机，那么肯定有一系列的状态需要保存。OpenGL的状态对应的是功能的实现。我们这个简单的OpenGL不需要大而全的功能，那么需要哪些功能呢？ name. Im currently using Ubuntu. For active uniforms that are arrays, the size is the number of active elements in the array; for all other uniforms, the size is one. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. X. 3gl Name glGetString - returns a string describing the current GL connection C Specification const GLubyte * glGetString( GLenum name) Parameters name Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, or GL_EXTENSIONS. Mar 28, 2016 · 1] FND_FLEX_EXT. name can be one of the following: GL_VENDOR. 使用glGetString(GL_VERSION)函数的返回值是null，原因是在使用opengl函数之前，要先初始化渲染的上下文（rending text），在这里的解决方法是，在调用此函数前，要先调用glutInit()和glutCreateWindow()函数。 Sep 14, 2015 · How to check error in GLEW. From the visual results we can see the world-space normal vectors appear to be correct as the right sides of the backpack model is mostly colored red (which would mean the normals roughly point (correctly) towards the positive x axis). Dec 11, 2020 · The format and contents of the string that glGetString returns depend on the implementation, except that: Extension names will not include space characters and will be separated by space characters in the GL_EXTENSIONS string. data returns a Dec 10, 2020 · This browser is no longer supported. 6 Which version of system do you use? Khadas official images, self built images, or others? Jul 20, 2021 · Sometimes glGetString(GL_VERSION) also returns also the bus type used, such as AGP or PCI or PCIEx. ) The GL_VERSION and GL_SHADING_LANGUAGE_VERSION strings begin with a version number. You should check the return of glfwOpenWindow (and glfwInit()) to ensure that it's successfully creating a context. It does not change from release to release. Sep 21, 2024 · Because the description string provided to the callback may have been generated specifically for that error, it is not guaranteed to be valid after the callback has returned. gl_error_message="The game can not start" GL:5511="The system clock time/date is invalid. style: CSSProperties . 使用GLSurfaceView的话请在继承类中合适的地方(一般是构造函数里面)设置当前的clientversion 为 2具体代码：setEGLContextClientVersion(2);2. texelFetch() in a shader. This thread also mentions creating a context manually, supposedly without window creation. You can create a string object from the returned pointer: 6 days ago · glfwInit() isn't actually creating a valid context. The version number uses one of these forms: Sep 3, 2023 · 文章浏览阅读724次。来检查错误，我们可以通过在运行时进行打断点查看glGetError返回值，得到的是一个十进制数，将其转为十六进制，再转到 glew. Additionally, if name would exactly match the name string of an active resource if "[0]" were appended to name, the index of the matched resource is returned. Description . 7k次。本文详细介绍了OpenGL中的glGetString函数，该函数用于返回描述当前GL连接的字符串，包括供应商、渲染器、版本号、着色语言版本及扩展列表。文章解释了如何通过GL_VENDOR和GL_RENDERER字符串来识别平台，并说明 Nov 18, 2024 · glGetError: return error information Function Definition [] GLenum glGetError(void ); Description []. glGetString (GL_VENDOR); It could be "ATI Technologies", "NVIDIA Corporation", "INTEL" and so on. See glLineWidth. params returns GL_TRUE if shader is currently flagged for deletion, and GL_FALSE otherwise. Returns the name of the renderer. Feb 11, 2020 · 发生错误时，错误标志将设置为相应的错误代码值。在调用glGetError（返回错误代码）之前，不会记录其他错误，并将标志重置为GL_NO_ERROR。如果对glGetError的调用返回GL_NO_ERROR，则自上次调用glGetError或自GL初始化以来，没有可检测 Feb 11, 2020 · 文章浏览阅读338次。glGetProgramResourceIndex 函数用于查询 OpenGL ES 3. Permissible values for index range from zero to Feb 11, 2020 · 文章浏览阅读429次。glGetProgramResourceiv 函数用于检索程序对象中的单个活动资源的各种属性，如名称长度、类型、数组大小等。它支持多种属性查询，并针对不同的接口提供不同类型的资源信息，例如接口块、统一块和变换反馈变量。此函数适用 Sep 16, 2019 · "glGetString() is not deprecated, only the GL_EXTENSIONS argument to it is. Permissible values for index range from zero to the number of Jun 30, 2022 · If name exactly matches the name string of one of the active resources for programInterface, the index of the matched resource is returned. The information log for a shader object is modified when the shader is compiled. GL_ARRAY_BUFFER_BINDING. 1)However when i run a simple program with the library, i get a segmentation fault. Default: 100 The maximum length of the scale control in pixels. glGetShaderInfoLog returns the information log for the specified shader object. See glActiveTexture. 10. index. GLinfo can detect the name of the vendor, OpenGL version and other information of my driver. Description glGetString returns a pointer to a static Jun 30, 2022 · Additionally, if name would exactly match the name string of an active resource if "[0]" were appended to name, the index of the matched resource is returned. glGetActiveUniform returns information about an active uniform variable in the program object specified by program. If more than one flag has recorded an error, May 6, 2017 · GLenumglGetError(void); glGetError返回错误标志的值。每个可检测的错误都分配有数字代码和符号名称。发生错误时，错误标志将设置为相应的错误代码值。在调用glGetError（返回错误代码）之前，不会记录其他错误，并将标志重置为GL_NO_ERROR。 Dec 29, 2023 · Description. GL_INVALID_VALUE is generated if program is not a value generated by OpenGL. Returns the extension string supported by the implementation. 8k次。本文详细解读了glGetShaderInfoLog函数的工作原理，通过实例展示了如何获取并分析着色器编译错误信息。重点介绍了如何使用这个API获取并处理shader对象的日志，对开发者调试编译问题极具价值。 Mar 27, 2017 · 文章浏览阅读3. When an error occurs, the error flag Mar 26, 2006 · You can not cast a char* to a string*. But if you do really need the values of the individual subsamples what Alfonse said. However glGetString( GL_VENDOR )-Or other parameters of this function- does not return a string. Segment values must be input in segme Nov 21, 2013 · ; Do not remove this section from the installer. params returns GL_TRUE if the last compile operation on shader was successful, and GL_FALSE otherwise. wkjlwyn cagwtl milw lbiqkw ttsry mfljtnz gwru fkec mlzmj nke