[Freedreno] shader problem

[Manuel Sabban]

On 13/08/2015 23:43, Rob Clark wrote:
> thx, from a quick look at the non-apitrace kodi log:
>
> ------------------------
> 20:28:18 T:1338486784 WARNING: Visual 0x21 of the SDL window is not
> suitable, looking for another one...
> 20:28:18 T:1338486784   ERROR: Failed to determine egl config for visual info
> 20:28:18 T:1338486784   ERROR: Previous line repeats 92 times.
> 20:28:18 T:1338486784   ERROR: EGL/GLX Error: vInfo is NULL!
> 20:28:18 T:1338486784    INFO: GLES: Maximum texture width: 2048
> 20:28:18 T:1338486784   DEBUG: EGL_EXTENSIONS: EGL_MESA_drm_image
> EGL_MESA_configless_context EGL_WL_bind_wayland_display
> EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_image
> EGL_KHR_get_all_proc_addresses EGL_KHR_gl_texture_2D_image
> EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image
> EGL_KHR_fence_sync EGL_KHR_wait_sync EGL_KHR_cl_event2
> EGL_KHR_surfaceless_context EGL_KHR_create_context EGL_NOK_swap_region
> EGL_NOK_texture_from_pixmap EGL_CHROMIUM_sync_control
> EGL_EXT_image_dma_buf_import EGL_NV_post_sub_buffer
> EGL_MESA_image_dma_buf_export
> 20:28:18 T:1338486784  NOTICE: GL_VENDOR = NULL
> 20:28:18 T:1338486784  NOTICE: GL_RENDERER = NULL
> 20:28:18 T:1338486784  NOTICE: GL_VERSION = NULL
> 20:28:18 T:1338486784  NOTICE: GL_SHADING_LANGUAGE_VERSION = NULL
> 20:28:18 T:1338486784   DEBUG: GLES: Extension Support Test -
> GL_NVX_gpu_memory_info NO
> 20:28:18 T:1338486784  NOTICE: GL_EXTENSIONS = NULL
> 20:28:18 T:1338486784   DEBUG: GLES: Extension Support Test -
> GL_EXT_texture_format_BGRA8888 NO
> 20:28:18 T:1338486784   DEBUG: GLES: Extension Support Test -
> GL_IMG_texture_format_BGRA8888 NO
> 20:28:18 T:1338486784   DEBUG: GLES: Extension Support Test -
> GL_APPLE_texture_format_BGRA8888 NO
> 20:28:18 T:1338486784   ERROR: GL: Error compiling vertex shader
> 20:28:18 T:1338486784   ERROR: ��
> 20:28:18 T:1338486784   ERROR: GL: Error compiling vertex shader
> 20:28:18 T:1338486784   ERROR: GUI Shader
> [guishader_frag_default.glsl] - Initialise failed
> 20:28:18 T:1338486784   ERROR: GL: Error compiling vertex shader
> ------------------------
>
> the GL_VENDOR = NULL, etc bits look somewhat suspicious..  I suspect
> the "Error compiling vertex shader" bit is simply side effect of
> something not initialized properly.  Anyways, since it seems to
> attempt to use egl+gles, you might need to 'apitrace trace --api egl
> kodi.bin'
I did a new trace available at
http://www.sabban.eu/kodi-log/trace-with-egl-api/
I am quite clueless at what happens here.

> I do remember in the past I had to fix xbmc's makefiles to not assume
> arm == gles, although at the time it was simply because the gles code
> had compile errors that I didn't want to bother fixing.
>
> (note that egl+gles should work just fine w/ mesa/freedreno..  but who
> knows if there are some assumptions that arm == android or hack
> workarounds for some other blob gles driver)
>
This is very interesting, I will take a look into your build.

Thank you for your help.

Best regards,
Manuel Sabban