GLIntercept 1.0.1 Released

GLIntercept is an open source tool to intercept and log all OpenGL API calls under 32 and 64-bit Windows applications.

The main features of GLIntercept are:

• Save all OpenGL function calls to text or XML format with the option to log individual frames.
• Run time shader edit. Display shader usage and edit the shaders at run time. Supports ARB VP/FP/GLSL and NV VP/FP
• Free camera. Fly around the geometry sent to the graphics card and enable/disable wireframe/backface-culling/view frustum render.
• Save and track textures. (1D,2D,3D,NVRect and p-buffer bound textures are supported.) Saving can be to TGA,PNG and JPG formats.
• Save and track shaders/programs. Current support in 0.41 includes ARB VP/FP/GLSL and NV VP/FP.
• Save and track display lists.
• Saving of the OpenGL frame buffer (color/depth/stencil) pre and post render calls. The ability to save the “diff” of pre and post images is also available.
• Track error states (logging them to the debugger output) and breaking on errors.
• Basic thread error checking.
• Function timer log.
• Resource leak tracking for contexts, display lists, shaders and textures.
• OpenGL extension/version override. Add/remove/replace the OpenGL extension and version strings. (Test lower end rendering paths without changing cards)
• OpenGL function stats – how many times each function is called.

Here are main changes brought by the version 1.0:

• Added logging for lots more OpenGL entry points
• Fixed startup bug with GLIntercept made OpenGL calls being logged
• Fixed XML nested OpenGL calls issue (was broken in GLIntercept 0.42)
• Update Display List logging to handle WGL/GLX font creation
• Added geometry shader support
• Shader editor supports multiple shaders of the same type in one program
• Shader editor no longer causes errors with inserting #line when #version is used in the shader
• Added unsigned integer shader semantic support to loggers and shader editor
• Add x64 support (thanks to Kamil Patelczyk of Intel for initial code)
• Worked around Nvidia multi-thread driver issue (no longer logging calls to wglGetPixelFormat)
• Fixed some issues when using the image/frame logger and using a “core” OpenGL context.

You can download GLIntercept from this page.