WhyCan Forum(哇酷开发者社区)

Devices Drivers->Graphics support->ARM devices->ARM Mali Display processor
Devices Drivers->Graphics support->LIMA (DRM support for ARM Mali 400/450 GPU)

./kmscube -d -D /dev/dri/renderD128
Using display 0x5b13d8 with EGL version 1.4
===================================
EGL information:
  version: "1.4"
  vendor: "Mesa Project"
  client extensions: "EGL_EXT_client_extensions EGL_EXT_device_base EGL_EXT_device_enumeration EGL_EXT_device_query EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_EXT_platform_x11 EGL_MESA_platform_gbm EGL_MESA_platform_surfaceless EGL_EXT_platform_device"
  display extensions: "EGL_ANDROID_blob_cache EGL_ANDROID_native_fence_sync EGL_EXT_buffer_age EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_KHR_cl_event2 EGL_KHR_config_attribs EGL_KHR_create_context EGL_KHR_create_context_no_error EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_gl_colorspace EGL_KHR_gl_renderbuffer_image EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_no_config_context EGL_KHR_partial_update EGL_KHR_reusable_sync EGL_KHR_surfaceless_context EGL_EXT_pixel_format_float EGL_KHR_wait_sync EGL_MESA_configless_context EGL_MESA_drm_image EGL_MESA_image_dma_buf_export EGL_MESA_query_driver "
===================================
OpenGL ES 2.x information:
  version: "OpenGL ES 2.0 Mesa 19.3.2"
  shading language version: "OpenGL ES GLSL ES 1.0.16"
  vendor: "lima"
  renderer: "Mali400"
  extensions: "GL_EXT_blend_minmax GL_EXT_multi_draw_arrays GL_EXT_texture_format_BGRA8888 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth24 GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_mapbuffer GL_OES_rgb8_rgba8 GL_OES_stencil8 GL_OES_texture_3D GL_OES_texture_npot GL_OES_vertex_half_float GL_OES_EGL_image GL_OES_depth_texture GL_OES_packed_depth_stencil GL_OES_get_program_binary GL_APPLE_texture_max_level GL_EXT_discard_framebuffer GL_EXT_read_format_bgra GL_EXT_frag_depth GL_NV_fbo_color_attachments GL_OES_EGL_image_external GL_OES_EGL_sync GL_OES_vertex_array_object GL_EXT_occlusion_query_boolean GL_EXT_unpack_subimage GL_NV_draw_buffers GL_NV_read_buffer GL_NV_read_depth GL_NV_read_depth_stencil GL_NV_read_stencil GL_EXT_draw_buffers GL_EXT_map_buffer_range GL_KHR_debug GL_KHR_texture_compression_astc_ldr GL_OES_required_internalformat GL_OES_surfaceless_context GL_EXT_separate_shader_objects GL_EXT_compressed_ETC1_RGB8_sub_texture GL_EXT_draw_elements_base_vertex GL_EXT_texture_border_clamp GL_KHR_context_flush_control GL_OES_draw_elements_base_vertex GL_OES_texture_border_clamp GL_KHR_no_error GL_KHR_texture_compression_astc_sliced_3d GL_KHR_parallel_shader_compile "
===================================

./kmscube -d -D /dev/dri/renderD128
could not open drm device
failed to initialize legacy DRM

Debug: Using Udev to detect the right DRM node to use
Debug: Looking for the main GPU DRM node...
Debug: Not found!
Debug: Looking for a concrete GPU DRM node...
Debug: Not found!?
Debug: Looking for a virtual GPU DRM node...
Debug: Not found.
Debug: Cannot find a single DRM node using UDEV...
Error: Can't determine the main graphic card DRM device node
Error: Tried to use '' but failed.
Error: Reason : Operation not supported
Debug: Failed to open DRM module 'i915'
Debug: Failed to open DRM module 'imx-drm'
Debug: Failed to open DRM module 'nouveau'
Debug: Failed to open DRM module 'radeon'
Debug: Failed to open DRM module 'vmgfx'
Debug: Failed to open DRM module 'omapdrm'
Debug: Failed to open DRM module 'exynos'
Debug: Failed to open DRM module 'pl111'
Debug: Failed to open DRM module 'vc4'
Debug: Failed to open DRM module 'msm'
Debug: Failed to open DRM module 'meson'
Debug: Failed to open DRM module 'rockchip'
Debug: Failed to open DRM module 'sun4i-drm'
Debug: Opened DRM module 'lima'
Error: drmModeGetResources failed
Error: main: Could not initialize canvas
Segmentation fault

root@debian1:~/mesa-20.0.4# glmark2-drm
=======================================================
    glmark2 2017.07
=======================================================
    OpenGL Information
    GL_VENDOR:     lima
    GL_RENDERER:   Mali400
    GL_VERSION:    2.1 Mesa 20.0.4
=======================================================
[build] use-vbo=false: FPS: 65 FrameTime: 15.385 ms
[build] use-vbo=true: FPS: 65 FrameTime: 15.385 ms
[texture] texture-filter=nearest: FPS: 65 FrameTime: 15.385 ms
[texture] texture-filter=linear: FPS: 65 FrameTime: 15.385 ms
Segmentation fault


root@debian11:~/qt_examples# glmark2-es2-drm
=======================================================
    glmark2 2017.07
=======================================================
    OpenGL Information
    GL_VENDOR:     lima
    GL_RENDERER:   Mali400
    GL_VERSION:    OpenGL ES 2.0 Mesa 20.0.4
=======================================================
[build] use-vbo=false: FPS: 65 FrameTime: 15.385 ms
[build] use-vbo=true: FPS: 65 FrameTime: 15.385 ms
[texture] texture-filter=nearest: FPS: 65 FrameTime: 15.385 ms
[texture] texture-filter=linear: FPS: 65 FrameTime: 15.385 ms
[texture] texture-filter=mipmap: FPS: 65 FrameTime: 15.385 ms
[shading] shading=gouraud: FPS: 65 FrameTime: 15.385 ms
[shading] shading=blinn-phong-inf: FPS: 65 FrameTime: 15.385 ms
[shading] shading=phong: FPS: 65 FrameTime: 15.385 ms
[shading] shading=cel: FPS: 46 FrameTime: 21.739 ms
[bump] bump-render=high-poly: FPS: 46 FrameTime: 21.739 ms
[bump] bump-render=normals: FPS: 65 FrameTime: 15.385 ms
[bump] bump-render=height: FPS: 65 FrameTime: 15.385 ms
[effect2d] kernel=0,1,0;1,-4,1;0,1,0;: FPS: 32 FrameTime: 31.250 ms
[effect2d] kernel=1,1,1,1,1;1,1,1,1,1;1,1,1,1,1;: FPS: 21 FrameTime: 47.619 ms
[pulsar] light=false:quads=5:texture=false: FPS: 65 FrameTime: 15.385 ms
[desktop] blur-radius=5:effect=blur:passes=1:separable=true:windows=4: FPS: 16 FrameTime: 62.500 ms
[desktop] effect=shadow:windows=4: FPS: 65 FrameTime: 15.385 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 32 FrameTime: 31.250 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=subdata: FPS: 32 FrameTime: 31.250 ms
[buffer] columns=200:interleave=true:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 32 FrameTime: 31.250 ms
[ideas] speed=duration: FPS: 42 FrameTime: 23.810 ms
[jellyfish] <default>: FPS: 32 FrameTime: 31.250 ms
Error: SceneTerrain requires Vertex Texture Fetch support, but GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS is 0
[terrain] <default>: Unsupported
[shadow] <default>: FPS: 32 FrameTime: 31.250 ms
[refract] <default>: FPS: 11 FrameTime: 90.909 ms
[conditionals] fragment-steps=0:vertex-steps=0: FPS: 65 FrameTime: 15.385 ms
[conditionals] fragment-steps=5:vertex-steps=0: FPS: 65 FrameTime: 15.385 ms
[conditionals] fragment-steps=0:vertex-steps=5: FPS: 65 FrameTime: 15.385 ms
[function] fragment-complexity=low:fragment-steps=5: FPS: 65 FrameTime: 15.385 ms
[function] fragment-complexity=medium:fragment-steps=5: FPS: 65 FrameTime: 15.385 ms
[loop] fragment-loop=false:fragment-steps=5:vertex-steps=5: FPS: 65 FrameTime: 15.385 ms
[loop] fragment-steps=5:fragment-uniform=false:vertex-steps=5: FPS: 65 FrameTime: 15.385 ms
[loop] fragment-steps=5:fragment-uniform=true:vertex-steps=5: FPS: 32 FrameTime: 31.250 ms
=======================================================
                                  glmark2 Score: 51
=======================================================

# insmod ./lib/modules/3.10.105/mali.ko
[   65.522569] Mali: Set gpu frequency to 408 MHz
[   65.527481] Mali: Init Mali gpu clocks successfully
[   65.533468] gpu cooling callback register Success