| Summary: | [SNB] eglChooseConfig returns no candidate config | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Homer Hsing <dongsheng.xing> |
| Component: | Drivers/DRI/i965 | Assignee: | Ian Romanick <idr> |
| Status: | RESOLVED WORKSFORME | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | git | ||
| Hardware: | x86-64 (AMD64) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
I cannot reproduce this bug. You probably don't have the correct drivers or libraries in the LD_LIBRARY_PATH or something. |
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How to reproduce the bug ? Step 1: create a C source file /************* a.c ********************/ #include <EGL/egl.h> #include <GLES2/gl2.h> #include <GLES2/gl2ext.h> #include <stdio.h> #include <assert.h> int main() { EGLint major, minor; EGLDisplay disp; disp = eglGetDisplay(EGL_DEFAULT_DISPLAY); assert(disp != EGL_NO_DISPLAY); EGLBoolean b = eglInitialize(disp, &major, &minor); assert(b != EGL_FALSE); EGLConfig config; EGLint numConfigs; EGLint attribs[] = { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1, EGL_NONE }; b = eglChooseConfig(disp, attribs, &config, 1, &numConfigs); assert(b != EGL_FALSE); assert(numConfigs > 0); return 0; } Step 2: compile it and run it gcc a.c -lEGL -lGLESv2 -Wall ./a.out We will see the error message: a.out: a.c:25: main: Assertion `numConfigs > 0' failed. What should be the correct output ? No error. Environment: Linux 3.2.0-24-generic x86_64 Ubuntu 12.04 64 bit latest Mesa 8.1-devel (git-529476b) latest code from git Intel Sandybridge Mobile Graphic card