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#1glGetBufferSubData - OpenGL 4 Reference Pages - Khronos ...
glGetBufferSubData and glGetNamedBufferSubData return some or all of the data contents of the data store of the specified buffer object. Data starting at byte ...
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#2glGetBufferSubData() not returning any data? - Stack Overflow
glGetBufferSubData (bufferObject[0], 0, numVertices * sizeof(Vector3), data); ^^^^^^^^^^^^^^^ nope.
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#3C++ (Cpp) glGetBufferSubData Examples - HotExamples
C++ (Cpp) glGetBufferSubData - 22 examples found. These are the top rated real world C++ (Cpp) examples of glGetBufferSubData extracted from open source ...
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#4org.lwjgl.opengl.GL15.glGetBufferSubData java code examples
checkLimit(data); GL15.glGetBufferSubData(target, offset, data);
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#5c++ - glGetBufferSubData()不返回任何数据？ - IT工具网
我尝试在下面的示例中运行代码。但是，在调用glGetBufferSubData之后，数据将保留其默认值，并且不会获得存储在bufferObject [0]中的值，这些值等于顶点中的值。
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#6glGetBufferSubData : PyOpenGL 3.1.0 GL Man Pages
glGetBufferSubData ( GLenum ( target ) , GLintptr ( offset ) , GLsizeiptr ( size ) , GLvoid * ( data ) )-> void. glGetBufferSubData( target , offset , size ...
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#7Manpages OpenGL - glgetbuffersubdata - Developpez.com
glGetBufferSubData returns some or all of the data from the buffer object currently bound to target . Data starting at byte offset offset and extending for ...
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#8关于python：glGetBufferSubData pyopengl随机结果和segfault
glGetBufferSubData pyopengl random result and segfault要扩展库中的某些内容，我需要将VBO中的数据读回到CPU内存中。这里不涉及转换反馈。
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#9WebGL2RenderingContext.copyBufferSubData() - Web APIs
The WebGL2RenderingContext.copyBufferSubData() method of the WebGL 2 API copies part of the data of a buffer to another buffer.
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#10GLES30.glGetBufferSubData在哪里？如何读取转换反馈数据 ...
glGetBufferSubData ? how to read transform feedback data opengles 3.0. ... 但Android似乎缺少 glGetBufferSubData OpenGL ES 3.0中提供的函数。
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#11High Cpu Usage While doing asychronous readback
return; } glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)eglGetProcAddress("glGetBufferSubData"); if (!glGetBufferSubData) { qDebug() ...
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#12OpenGL: "invalid value" error after call to `glGetBufferSubData`
OpenGL: "invalid value" error after call to `glGetBufferSubData` · opengl glsl. My first question in this community. I have following code.The ...
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#13glGetNamedBufferSubData(3G) — Arch manual pages
NAME. glGetBufferSubData, glGetNamedBufferSubData - returns a subset of a buffer object's data store · C SPECIFICATION. void glGetBufferSubData(GLenum target, ...
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#14QOpenGLFunctions_2_0 Class | Qt GUI 5.8
void, glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data). void, glGetClipPlane(GLenum plane, GLdouble *equation).
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#15Hi Anonymous - TitanWolf
glGetBufferSubData and glMapBufferRange for GL_SHADER_STORAGE_BUFFER very slow on NVIDIA GTX960M ... I've been having some issues with transfering a GPU buffer ...
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#16OpenGL.Gl.Delegates.glGetBufferSubData.Invoke(int, System ...
CSharp code examples for OpenGL.Gl.Delegates.glGetBufferSubData.Invoke(int, System.IntPtr, uint, System.IntPtr). Learn how to use CSharp api OpenGL.
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#17OpenGl_GlFunctions Struct Reference - Open CASCADE ...
PFNGLGETBUFFERSUBDATAPROC, glGetBufferSubData. PFNGLMAPBUFFERPROC, glMapBuffer ... PFNGLGETBUFFERSUBDATAPROC OpenGl_GlFunctions::glGetBufferSubData ...
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#18GLES30.glGetBufferSubData在哪里？如何读取变换反馈数据 ...
因此，我遵循的是我在变换反馈here上找到的最简单的示例之一，并将其转换为Android / Java，但是Android似乎缺少OpenGL ES 3.0中可用的 glGetBufferSubData 函数。
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#19c++ - 无法通过glGetBufferSubData获取缓冲区对象数据
c++ - 无法通过glGetBufferSubData获取缓冲区对象数据- 程序调试信息网. 我希望使用opengl制作塔楼的河内游戏。最终，我想到了将数据从一个缓冲对象传输到另一个缓冲 ...
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#20glGetBufferSubData question · Issue #5861 · emscripten-core ...
Hi, I was looking to PR a missing endpoint for WebGL 2, glGetBufferSubData. It's around 3 lines, it just seems to be missing is all.
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#21OpenGL緩存數據 - 台部落
void glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid* data). 返回值：返回一個指向綁定到target的緩存對象的內存， ...
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#22Data in OpenGL Buffers | Drawing with OpenGL | InformIT
void glGetBufferSubData(GLenum target, GLintptr offset,. GLsizeiptr size, GLvoid * data);. Returns some or all of the data from the buffer ...
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#23Chap1TransformFeedback code explained
... 7]; glGetBufferSubData(GL_TRANSFORM_FEEDBACK_BUFFER, 0, sizeOfEdgeFeedback*numEdgesFedBack, feedbackFloat); printf("%ld transform feedback records.
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#24glGetBufferSubData и glMapBufferRange для ... - CodeRoad
Операция переноса с glGetBufferSubData занимает около 10 мс, а с glMapBufferRange -более 100 мс. Код, который я использую, ...
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#25Getting the value of buffers in Python wrapper of OpenGL
There are different possibilities. One possibility is to use glGetBufferSubData . The data of a Framebuffer Object can be read by glReadPixels , if the ...
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#26QOpenGLFunctions_3_1 Class | Qt GUI 5.4 - Huihoo
void, glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid * data). void, glGetCompressedTexImage(GLenum target, GLint level, ...
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#27glGetBufferSubData медленно - GameDev.ru
class BufferCopirator { private: bool bad; GLenum bufferType; GLuint vbid, _outputBuffer; GLint size; GLvoid *data; ...
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#28（OpenGL）如何读回纹理缓冲区？ - 小空笔记
glGetBufferSubData 是用于常规缓冲区还是纹理缓冲区我试图解决为什么我的纹理没有出现，当我使用glGetBufferSubData读取缓冲区时，我得到了一些垃圾 ...
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#29GL15 (LWJGL 3.1.1 SNAPSHOT - OpenGL)
public static void glGetBufferSubData(int target, long offset, java.nio.ByteBuffer data) public static void glGetBufferSubData(int target, long offset, ...
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#30Best Practices for Working with Vertex Data - Apple Developer
Your application reads from or writes to the buffer using OpenGL calls such as glBufferData , glBufferSubData , and glGetBufferSubData .
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#31GL15 (LWJGL API) - Javadoc Extreme - Javadox
Overloads glGetBufferParameteriv. static java.nio.ByteBuffer, glGetBufferPointer(int target, int pname). static void, glGetBufferSubData(int target, long offset ...
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#3290734 – glBufferSubData is corrupting data when buffer is > 32k
Getting the buffer back with glGetBufferSubData shows that the buffer is sometimes not/impartially (?) updated. Updating the whole buffer or ...
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#33How does OpenGL fill buffers and read them back? - py4u
std::vector<glm::vec3> data; glGetBufferSubData(mTarget, offset, vertexCount * sizeof(glm::vec3), &data[0]);`. Will this make a bunch of glm::vec3?
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#34Program Listing for File opengl.h - NanoGUI
... totalSize); if (item.first == "indices") { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf.id); glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, totalSize, ...
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#35（OpenGL）如何回读纹理缓冲区？
glGetBufferSubData 是否同时用于常规缓冲区和纹理缓冲区？我试图解决为什么我的纹理没有显示的问题，当我使用glGetBufferSubData读取缓冲区时，我得到了一些垃圾.
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#36glGetBufferSubData () не возвращающий данных? - Answer-ID
glGetBufferSubData (bufferObject[0], 0, numVertices * sizeof(Vector3), data); ^^^^^^^^^^^^^^^ nope. цель параметр glGetBufferSubData () должен определить ...
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#37GL15 (LWJGL API)
static void, glGetBufferSubData(int target, long offset, java.nio.ShortBuffer data). static int, glGetQuery(int target, int pname). Deprecated.
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#38OpenGL® Programming Guide - Stillart
glGetBufferSubData ()) is that they all cause OpenGL to make a copy of your data. glBufferData() and glBufferSubData() both copy data from.
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#39OpenGL中的数据——Buffer | 电子创新网Imgtec 社区
使用glGetBufferSubData()函数可以从绑定到某个目标的缓存中回读数据， ... 我们也可以使用glGetBufferSubData()简单地将之前存入到缓存对象中的数据 ...
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#40QOpenGLFunctions_4_1_Core Class | Qt GUI 5.12.3
void, glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data). void, glGetCompressedTexImage(GLenum target, GLint level, ...
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#41OpenGL中的数据——Buffer - wubugui - 博客园
使用glGetBufferSubData()函数可以从绑定到某个目标的缓存中回读数据，然后将它放置到应用程序保有的一处内存当中。我们也可以使用glGetBufferSubData() ...
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#42Something wrong with making openGL calls from an ...
... feedback(totvert); glGetBufferSubData(GL_TRANSFORM_FEEDBACK_BUFFER, 0, vertSize, &feedback[0]); return feedback; }.
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#43Java org.lwjgl.opengl GL15 fields, constructors, methods ...
void, glGetBufferSubData(@NativeType("GLenum") int target, @NativeType("GLintptr") long offset, @NativeType("void *") FloatBuffer data) Returns a subset of a ...
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#44john.87.connor - Capture To Multiple Buffers - Google Sites
glGetBufferSubData (GL_TRANSFORM_FEEDBACK_BUFFER, 0, sizeof(GLuint), &resultindex);. glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, 0);.
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#45GteGL4StructuredBuffer.cpp Source File - ROS Documentation
void APIENTRY glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void *data). Definition: GteOpenGL.cpp:1615.
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#46OpenGL4.3如何管理buffer中的数据的(二)
void glGetBufferSubData(GLenum target, GLintptr offset,GLsizeiptr size, GLvoid * data); 函数说明：从指定的缓存读取当前缓存对象的部分/全部内容，数据从offset ...
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#47glGetBufferSubData - OpenGL - Форум программистов и ...
помогете разобраться с функцией glGetBufferSubData. если можно покажите пример. 0. Помощь в написании контрольных, курсовых и дипломных ...
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#48glGetBufferSubData crashes with big buffers - AMD Community
Hello glGetBufferSubData crashes if you attempt to read large enough chunk of the buffer at once (e.g. 20MB). if you instead read it in ...
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#49glGetBufferSubData - DGL Wiki
glGetBufferSubData mit target GL_ARRAY_BUFFER oder GL_ELEMENT_ARRAY_BUFFER liefert über data den mit offset und size festgelegten Bereich des ...
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#50Shader Storage Buffer contents of varying size "transfered" to ...
glGetBufferSubData (GL_ATOMIC_COUNTER_BUFFER, 0, sizeof(GLuint), &positionCount_acb);. 13. . 14. //retrieve the positions (1).
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#51gl.bufferData seems not working correctly when floating value ...
glGetBufferSubData ` I've created 2 buffers which was created in different way. 1 of that is created by `FloatBuffer.wrap` , and another one ...
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#52osg::BufferObject::Extensions class Reference - DEI-ISEP
GLboolean, glIsBuffer (GLuint buffer) const ; void, glGetBufferSubData (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid *data) const ; GLvoid * ...
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#53OpenGL readback performance on 330 - Qualcomm ...
How about using render to buffer or texture and an offscreen context (with glReadPixels(), glGetBufferSubData() or glGetTexImage())?
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#54《OpenGL编程指南》一3.2 OpenGL缓存数据 - 阿里云开发者社区
glGetBufferSubData ()的原型如下所示： void glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid* data); 返回当前绑定到target的缓存对象中的 ...
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#55PyOpenGL，不能用两个不同的VB绘图- 问答 - Python中文网
但是，我已将不同的数据上载到两个VBO（通过打印使用glGetBufferSubData获得的数据可以看出这一点）。这很奇怪。当VBO数据明显不同时，为什么两个数组产生相同的结果？
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#56glGetBufferSubData () не возвращает никаких данных?
glGetBufferSubData (bufferObject[0], 0, numVertices * sizeof(Vector3), data); ... Вопрос по теме: c++, opengl.
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#57globjects::Buffer Class Reference
Wraps the OpenGL function glGetBufferSubData. Retrieves the contents of the buffers data store. More... template<typename T >.
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#58Methods for extracting "non-rgb" data from the fragment shader!
get(), mapped_ssbo, sizeof(shader_data_t)); glUnmapBuffer(GL_SHADER_STORAGE_BUFFER); // or glGetBufferSubData(GL_SHADER_STORAGE_BUFFER, 0, ...
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#59glGetBufferSubData returns the same data between two ...
I try to build a OpenGL program that do the Newton-Raphson method for five values at the same time. Actually, I just want to learn how to use TRANSFORM ...
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#60Storing Transformed Vertices—Transform Feedback (part 1)
Once data has been placed into a buffer using transform feedback, it can be read back using a function like glGetBufferSubData or by mapping it into the ...
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#61GLC_lib: glc_ext.h File Reference - GLC-Lib
PFNGLGETBUFFERSUBDATAARBPROC, glGetBufferSubData. PFNGLMAPBUFFERARBPROC, glMapBuffer. PFNGLUNMAPBUFFERARBPROC, glUnmapBuffer.
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#62OpenGL中的数据——Buffer - 简书
使用glGetBufferSubData()函数可以从绑定到某个目标的缓存中回读数据，然后将它放置到应用程序保有的一处内存当中。我们也可以使用glGetBufferSubData() ...
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#63Reading buffer data (OpenGL ES 2.0)
I am hoping to read data from an an array buffer but the function glGetBufferSubData doesn't seem to be available in 2.0: ...
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#64OPenGL--Transform feedback示例解析_先锋小牛 - CSDN博客
glGetBufferSubData (GL_TRANSFORM_FEEDBACK_BUFFER, 0, sizeof(feedback), feedback);. 如果您现在在数组中打印值，那么您应该在终端中看到输入的 ...
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#65c - OpenGL-无法复制超过一定大小的数据以绑定(bind)VBO - 摸鱼
我只是想做的就是将一个从目标文件中解析出的顶点数据数组复制到绑定的VBO中，如果我遍历该数据，它会很好地显示在绑定的VBO中，但是当我使用 glGetBufferSubData 返回 ...
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#66OpenGL-Storing Transformed Vertices - 知乎专栏
Once data has been placed into a buffer using transform feedback, it can be read back by using a function like glGetBufferSubData() or by ...
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#67Glreadpixels example
An example of that is my implementation of glGetBufferSubData() using {FBO+ReadPixels}, which I may blog about sometime. sample get pixel code here, ...
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#68python - PyOpenGL、Pygame 和着色器似乎不合作 - Array ...
glBindBuffer(GL_ARRAY_BUFFER, vbuf) l, l2 = (GLfloat*16)() , (GLushort*6)() glGetBufferSubData(GL_ARRAY_BUFFER, 0, 4*4*4, l) print list(l) ...
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#69Glreadpixels example
An example of that is my implementation of glGetBufferSubData() using {FBO+ReadPixels}, which I may blog about sometime. In your first code example you ...
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