<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Improve gl-renderer error message when GL ES 2 is not available" href="https://bugs.freedesktop.org/show_bug.cgi?id=93451#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Improve gl-renderer error message when GL ES 2 is not available" href="https://bugs.freedesktop.org/show_bug.cgi?id=93451">bug 93451</a> from <a class="email" href="mailto:fausto.lenzi70@gmail.com" title="fausto <fausto.lenzi70@gmail.com>"> fausto</a> <pre>(In reply to Pekka Paalanen from <a href="show_bug.cgi?id=93451#c6">comment #6</a>) > (In reply to fausto from <a href="show_bug.cgi?id=93451#c5">comment #5</a>) > > > > 00:01.0 PCI bridge: Intel Corporation 82865G/PE/P AGP Bridge (rev 02) > > 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] > > R200 [ > > Radeon 9100] > > A quick glance in wikipedia says R200 is OpenGL 1.3 capable. That's very far > from GL ES 2, and I think it is a completely fixed-function card (no > shaders). Therefore Weston's gl-renderer cannot run on it, and you will be > better off with Pixman-renderer. > > This also puts it in the Mesa classic driver set, not Gallium3D. > > > Result of debug: > > > > libGL search for .drirc in $HOME not in /etc. I copied /etc/drirc in > > /root/.drirc. > > drirc is irrelevant, unless it contains directives that break your setup. It > does not have to exist by default. > > > libEGL debug: added egl_dri2 to module array > > libEGL debug: the best driver is DRI2 > > libEGL debug: the value (0x9) of attribute 0x3040 di not meet the criteria > > (0x4) > > Hmm, I was expecting more output, like which .so it will load. That's kind > of crucial. > > /usr/include/EGL/egl.h:#define EGL_RENDERABLE_TYPE 0x3040 > > #define EGL_OPENGL_ES2_BIT 0x0004 > > Bit 0x4 is not in 0x9, so that means GL ES 2 is not supported here, but see > below. > > > I don't know what this means. > > > > In /usr/lib/xorg/dri there are: > > i915_dri.so nouveau_dri.so r300_dri.so radeonsi_dri.so > > i965_dri.so nouveau_vieux_dri.so r600_dri.so swrast_dri.so > > kms_swrast_dri.so r200_dri.so radeon_dri.so vmwgfx_dri.so > > > > In /usr/lib/xorg/driver there are: > > ati_drv.so radeon_drv.so > > > > In /usr/lib/mesa there are: > > libEGL.so libGL.so libGLESv1_CM.so libGLESv2.so > > libEGL.so.1 libGL.so.1 libGLESv1_CM.so.1 libGLESv2.so.2 > > libEGL.so.1.0.0 libGL.so.1.2.0 libGLESv1_CM.so.1.1.0 libGLESv2.so.2.0.0 > > The file lists look ok from what I can tell. > > > Where I can found the module egl_dri2? > > It is a built-in, you already saw it loaded correctly. > > > Aniway weston --backend=drm-backend.so --use-pixman work perfectly. > > > > PS: > > result of glxinfo | grep render > > libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/tls/swrast_dri.so > > libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/swrast_dri.so > > direct rendering: Yes > > GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, > > GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, > > Extended renderer info (GLX_MESA_query_renderer): > > OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.7, 128 bits) > > GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, > > GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_packed_depth_stencil, > > GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, > > GL_NV_blend_square, GL_NV_conditional_render, GL_NV_depth_clamp, > > GL_OES_fbo_render_mipmap, GL_OES_get_program_binary, GL_OES_mapbuffer, > > llvmpipe is a software renderer, not a GPU driver. Either your GPU is too > old to be useful and you or someone chose software rendering, or even your > Xorg driver setup is broken. > > --- > > In summary, Weston's gl-renderer is not written for this old hardware and > you have to --use-pixman. The only thing left in this bug is to check if we > can be more clear with the error message in Weston. > > > PS. Never do 'grep' on a log or a program output unless asked to, otherwise > you likely miss useful information. I'm sorry.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>