PDA

View Full Version : OpenGL coding: beginners



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 [130] 131 132 133 134 135 136 137

  1. Issues with empty pixels and textures
  2. Volume Rendering a Stack of 2D Slices
  3. Vertex Array Object and vertex buffer object
  4. glClear and framebuffers
  5. OBJ Parser with GL_TRIANGLE_STRIP
  6. Implementing Animation with Sprite Sheets
  7. Making Desktop App Run on Web.
  8. Tesselation not working
  9. Could you please help me create/fix my Texture loading/Storing/Using class
  10. early depth testing
  11. Calculating glPointCoords Texture Coords
  12. How to create 2D glowing effect
  13. Not precise positioning in Android (OpenGL ES 2.0)
  14. Rendering artifacts, possible precision issue?
  15. Help with glActiveTexture / Multitexturing
  16. Please help me fix my texture loading class. It partially works.
  17. Normal Mapped Sphere looks Flat Shaded
  18. How to begin with openGL with no previous API background?
  19. Help with OpenGL lighting issues on windows 7
  20. Confirmation that I actually understand VAOs, VBOs, and EBOs
  21. SSAO and ShadowMapping issue
  22. g++ compiler doesn't see functinos inside glx.h
  23. First timy having a compilation error i cant fix in shader code. Can you please help
  24. Opengl Create FBO- fatal signal 11 error
  25. how to display the role's name with a logo above a MD2 role
  26. GLSL VBO colour not coming through
  27. inverse video for text
  28. opengl math matrix layout in c
  29. Can't render a triangle
  30. Understand coordinate systems
  31. Best way to test multisampled textures
  32. Vertex shader vs Fragment shader computations
  33. Hello World! - And the first issues just in time...
  34. Getting World Space Eye Vector
  35. Converting from OpenGL version 2.1 to version 3.0 and above
  36. Are shading language versions forward compatible?
  37. Using the output of one fragment shader as the input in another fragment shader
  38. glDrawElements Access violation Reading Location
  39. OpenGl Es 2.0 Texture Mapping Problem
  40. OpenGl Es 2.0 Texture Mapping Problem
  41. Coloring quad vertices
  42. Just Load and view a bmp image file(such as lena..) using opengl
  43. unresolved
  44. interpreting texture data in shader
  45. glDrawElements / Buffer size limit
  46. Huge render time for simple draw calls
  47. help with view and projection setup.
  48. passing GL_ALPHA to glTxtImage2D
  49. Flipped Z Axis in Simple World
  50. Problems displaying triangle
  51. GLSL Color not working...
  52. texture filtering for integer textures
  53. How best to update model matrices for many sprites (Opengl >= 3.2)
  54. Setting colour of vertex doesn't work
  55. glActiveTexture before drawing?
  56. Nothing is drawing in my simple openGL program.
  57. OpenGL context implementation confusion
  58. OpenGL does not read the colour correctly from my vertex array
  59. Program compiles but there is no display
  60. atomicAdd inbetween dispatches of two compute shaders
  61. Create rectangle using openGL ES 1.1
  62. semantics of Texture Mapping Units
  63. 3D cube not displaying correctly
  64. Rotating Objects - Light Rotating not expected
  65. Normal alignment value
  66. How many uniforms?
  67. large fixed point values in glsl
  68. glewInit fails on fullscreen
  69. Messed up Settings?
  70. What's wrong with my file to char function? (glShaderSource)
  71. Problem passing point lights in fragment shader
  72. Texture projection mapping (android glsl2)
  73. Texture Mapping
  74. triangle.cpp cannot open file "freeglut_static_d.lib"
  75. Share GLX pixmap with another process
  76. Light Volume Stenciling not clearing
  77. how to turn off drawing to the window?
  78. opengl 4 initialization and show in c# panel
  79. glFramebufferTextureLayer +glDrawElements = massive CPU slowdown?
  80. put value in the stencil buffer
  81. avoid loosing Stacked Transformations on Load identity matrix
  82. glPolygonMode Being Ignored?
  83. Anything better than textures for per-polygon attributes?
  84. OpenGL gluUnProject and gluLookAt trying to understand dependence of each other
  85. Passing values f32 values [-1 to 1] to my FS via texture obj
  86. Texture tearing issue
  87. Black Screen output
  88. Smart pointer and OpenGL
  89. Using glm to rotate the modelview matrix based on the cursor position
  90. Skybox cubemap problem
  91. Move data with in the buffer
  92. GL Intercept 'SetImageDirtyPost' message -- what does this mean and why?
  93. Multi Screen Application with GLFW
  94. Points with color
  95. glm::ortho problem
  96. [OpenGL 1.1] glColor3f not working...
  97. looking for help/tools for 3d trnansformations
  98. Zeroed pixels of textures
  99. Trilinear interpolation
  100. My Rotation is not correct, please help
  101. OpenGL bitmap questions...
  102. Is it true that VAO's are inefficient?
  103. VBO colour data
  104. Lighting equations and color
  105. glTexImage2D not loading all textures (JOGL)
  106. Understanding modelview matrix and retrieving vertices of mesh after using translatio
  107. What does glPixelStore() do?
  108. Trying to create my first window, running into some errors, take a look at my code?
  109. Mipmaps for GL_TEXTURE_2D_ARRAY do not generate
  110. OpenGL ES2
  111. problem with transform feedback for pushing an object through multiple lights
  112. Problem converting matrix to quaternion and back
  113. How do I use gluttimerfunc .......?
  114. Shader/fragment position precision
  115. Black screen on nVidia graphics
  116. Question about profiles, opengl versions and extensions
  117. How to select vertex3f on mouse click
  118. starting OpenGL App on remote system
  119. How to copy from a PBO to the default framebuffer?
  120. Issues drawing a line in openGL
  121. Interleaving VBOs
  122. i dont know why transform feedback isnt working :(
  123. [2.5D Issue] - Fill z-buffer with grayscale texture
  124. generate standalone exe
  125. Link error on glGenVertexArrays et glBindVertexArray
  126. glVertexAttribPointer is throwing GL_INVALID_ENUM
  127. glfw and mouse pressed
  128. ? Pincushion Distortion with a Camera ?
  129. uuughhh! i really need help with transform feedback
  130. Transmit image data to shader sampler2D
  131. Water simulation. Time or deltatime?
  132. OpenGL versions confusion, backwards compatibility
  133. moving selected object with mouse
  134. Could you give me an advice on how i can get started on my assignment?
  135. Is there anybody who give me guideline for seting up latest version of OpenGL.
  136. z buffer into FBO
  137. how can i translate a clipping plane using keyboard in opengl?
  138. Detect when mouse moves up and down
  139. Is it possible to calculate the circumference of an irregular 3d model in opengl?
  140. 1pixel grid does not show up white
  141. Drawing 2 different objects at the same time...
  142. How to increase/decrease intensity of window background color
  143. Making AI not walk in walls
  144. Using OpenCV homography matrix in OpenGL as view matrix and projection matrix
  145. UV - Shader Problem
  146. Depth buffer to a texture
  147. glClear
  148. Can't display triangles in vectors
  149. GLEW in Xcode
  150. Issues trying to add instancing to graphics system
  151. Applying 2 image textures to simple shape object?
  152. Perform stencil test only if depth test fails
  153. Glsl
  154. How to draw bounded b-spline surface in OpenGL?
  155. Fragment shader applied to a texture attached to a FBO
  156. What happened to...
  157. Problem with model rendering (JAVA, OPENGL 2.1)
  158. Some newbie questions
  159. Advice required for render pipeline optimizations
  160. Reflection Ray incorrect
  161. mipmapping enabled without a complete mip-chain
  162. "Moving camera forward" relative to world rotation using gluLookAt()
  163. Chained Rotation/Translation 3d Objects
  164. Zoom works, but not quite well
  165. How can i access a GL_RGBA8 texture buffer object in fragement shader?
  166. Diamond OpenGL in C++
  167. Custom mesh performance tips
  168. Does glFramebufferTexture2D reset the previous attached texture?
  169. Coding under OpenGL 2.1
  170. Help with an animation
  171. One question on normalization
  172. Linking my .lin to another .lib.
  173. Render a model with a texture to a framebuffer/texture
  174. Moving the GLUT Teapot Model Using a Transformation Matrix
  175. From clip space to Normalized Device Coordinate
  176. wglUseFontOutlines
  177. Newbie: WIll installing OpenGL drivers interfere with the Nvidia Drivers?
  178. How to detect inner and outer faces of a hollow/open 3d object
  179. Catmull-Rom Spline woes
  180. simple OpenGL code, but won't draw anything.
  181. Alpha blending issues, when drawing frame buffer into default buffer.
  182. Animation in Opengl
  183. Optimizing rendering of rectangles
  184. [Linux C programming] segmentation fault
  185. Podcast on OpenGL & Vulkan for beginners and advanced Users
  186. GLUT: mouse stops when a key is pressed?
  187. How to save an image in opengl ?
  188. How to match the example corresponding sorce coin the book(OpenGL SuperBible 6th ed.)
  189. Command line tool?
  190. managing multiple aspect ratios
  191. Problem with keyboard function
  192. imageStore with correct depth ordering
  193. Application crashes at glDrawArrays(....)
  194. moving clipping plane
  195. Freeglut.dll File not found, using visual studio
  196. why view plane normal is negated in lookup function
  197. reshape function for correct proportion between window and viewport
  198. Can window size be reshaped with viewport
  199. Simple question about where to bind VAO
  200. Passing Variables "flots" from the fragment shader to the vertex shader
  201. Help to understand push and pop operations of matrices
  202. Need help on building Mesa3D 11.0.3 (PLEASE REPLY)
  203. Glew Breaks my Program
  204. Error messages while using glutTimerFunc()
  205. Understanding FBX file format
  206. Framebuffers do not support depth texture arrays on Nvidia?
  207. textured quad will not draw
  208. Draw Sphere
  209. Trying to make a grid of Squares
  210. Trying to convert 3d coordinate into 2d screen space with glhProjectf
  211. Alternative for gl_ModelViewProjectionMatrix * gl_Vertex in GLES
  212. Accessing tex and texcoord after a texture2D operation.
  213. Some question about ortho function
  214. Can anyone explain me the attched picture from Angel's book
  215. A little help please
  216. Please prompt me how to make the program better.
  217. Texture access from Fragment Shader by id
  218. dynamically change vertices Buffer Data
  219. Flying to center sphere
  220. glTexSubImage2d taking a lot of time
  221. Combining Material, Transparent png Texture and Lighting
  222. Cannot see letters graven in model
  223. How to view the bounding box of the view volume
  224. Does the image always form at the eye position?
  225. State changes in OpenGL
  226. Rotate the light source & Opengl Comands
  227. GLES support for YUV
  228. using directly gluLookAt instead of glScalef
  229. Shader tutorial for OpenGL 2.1
  230. same shader on two quads at same depth
  231. Changing frustum effects objects on the near/far plane.
  232. Confused about fovy
  233. Extract corner coordinates of a cube
  234. glm::rotate a normal vector
  235. resizing with shaders
  236. Need help to take screenshot of openGL app in other app (C++)
  237. Game Indie Developer - getting into OpenGL
  238. Some clarification about clipping
  239. single vs double buffering
  240. Memory leak when using glFenceSync
  241. problems rendering with a perspective matrix
  242. Calendar project
  243. GLSL not behaving the same between graphics cards
  244. Is it good idea to use OpenGL 1.1?
  245. Load texture coordinates from text file
  246. Blending a complex plane with itself
  247. OpenGL 3.3 textures only black
  248. Detecting Pixel Colours On Screen
  249. Problems drawing with multiple VAOs
  250. OpenGL shader on MESA if statement question