[Bug 73781] New: [r600g] SIGFPE at at ../../../../../src/gallium/drivers/r600/r600_state.c:3109
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Jan 18 18:07:38 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=73781
Priority: medium
Bug ID: 73781
Assignee: dri-devel at lists.freedesktop.org
Summary: [r600g] SIGFPE at at
../../../../../src/gallium/drivers/r600/r600_state.c:3
109
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: ahmabdabd at hotmail.com
Hardware: All
Status: NEW
Version: unspecified
Component: Drivers/DRI/R600
Product: Mesa
Created attachment 92368
--> https://bugs.freedesktop.org/attachment.cgi?id=92368&action=edit
Proposed solution patch
chipset: RV740
system architecture: x86_64
libdrm-dev: libdrm (2.4.50-1) unstable
kernel version: 3.12-1-amd64
Linux distribution: Debian Sid x86_46
Description
The driver crashes when running the new instancing sample from the sample
browser of Ogre3D (latest stable v1.9)
Steps to reproduce:
1) Run the Ogre3D sample browser.
2) Load the "New instancing" Sample.
3) Change the Technique to "Hardware instancing+VTF"
4) The application crashes with "Program received signal SIGFPE, Arithmetic
exception."
Attached a full backtrace and the output of glxinfo.
Suggested Cause:
This problem occurs when large vertex textures whose width (pitch) is greater
than 4095 pixels and pixel format R32G32B32A32 causing the texture width to be
greater than 65536 which causes division by zero in line 3109
cheight = ((0x0000ffff << 2) / pitch) & 0xfffffff8;
ncopy = (copy_height / cheight) + !!(copy_height % cheight);
in
src/gallium/drivers/r600/r600_state.c
Suggested Solution:
Attached is a diff of a suggested solution to consider textures whose width is
greater than 4095 pixels and avoid the crash. (Note the diff is against the
10.0 branch but it should work with 9.2 as well)
Full backtrace:
Program received signal SIGFPE, Arithmetic exception.
0x00007f131462dcb6 in r600_dma_copy_tile (rctx=0x1bdf250, dst=0x25958b0,
dst_level=0, dst_x=0, dst_y=0, dst_z=0, src=0x3832590, src_level=0, src_x=0,
src_y=0, src_z=0, copy_height=33, pitch=65536, bpp=16)
at ../../../../../src/gallium/drivers/r600/r600_state.c:3109
3109 ncopy = (copy_height / cheight) + !!(copy_height % cheight);
#0 0x00007f131462dcb6 in r600_dma_copy_tile (rctx=0x1bdf250, dst=0x25958b0,
dst_level=0, dst_x=0, dst_y=0, dst_z=0, src=0x3832590, src_level=0, src_x=0,
src_y=0, src_z=0, copy_height=33, pitch=65536, bpp=16)
at ../../../../../src/gallium/drivers/r600/r600_state.c:3109
#1 0x00007f131462e31e in r600_dma_blit (ctx=0x1bdf250, dst=0x25958b0,
dst_level=0, dst_x=0, dst_y=0, dst_z=0, src=0x3832590, src_level=0,
src_box=0x7fff5b8805e0) at
../../../../../src/gallium/drivers/r600/r600_state.c:3204
#2 0x00007f13146b0431 in r600_copy_from_staging_texture (ctx=0x1bdf250,
rtransfer=0x3832540) at
../../../../../src/gallium/drivers/radeon/r600_texture.c:107
#3 0x00007f13146b2b93 in r600_texture_transfer_unmap (ctx=0x1bdf250,
transfer=0x3832540) at
../../../../../src/gallium/drivers/radeon/r600_texture.c:1003
#4 0x00007f1314543acb in u_transfer_unmap_vtbl (pipe=0x1bdf250,
transfer=0x3832540) at ../../../../src/gallium/auxiliary/util/u_transfer.c:138
#5 0x00007f1314397a4a in pipe_transfer_unmap (context=0x1bdf250,
transfer=0x3832540) at ../../../src/gallium/auxiliary/util/u_inlines.h:481
#6 0x00007f1314398176 in st_texture_image_unmap (st=0x1ce5810,
stImage=0x1db42d0) at ../../../src/mesa/state_tracker/st_texture.c:273
#7 0x00007f131436c7ca in st_UnmapTextureImage (ctx=0x7f130ee73010,
texImage=0x1db42d0, slice=0) at
../../../src/mesa/state_tracker/st_cb_texture.c:226
#8 0x00007f13142e9766 in store_texsubimage (ctx=0x7f130ee73010,
texImage=0x1db42d0, xoffset=0, yoffset=0, zoffset=0, width=4095, height=33,
depth=1, format=6408, type=5126, pixels=0x3833a50, packing=0x7f130ee821f0,
caller=0x7f1314709d85 "glTexSubImage") at
../../../src/mesa/main/texstore.c:4030
#9 0x00007f13142e9965 in _mesa_store_texsubimage (ctx=0x7f130ee73010, dims=2,
texImage=0x1db42d0, xoffset=0, yoffset=0, zoffset=0, width=4095, height=33,
depth=1, format=6408, type=5126, pixels=0x3833a50, packing=0x7f130ee821f0)
at ../../../src/mesa/main/texstore.c:4087
#10 0x00007f131436d926 in st_TexSubImage (ctx=0x7f130ee73010, dims=2,
texImage=0x1db42d0, xoffset=0, yoffset=0, zoffset=0, width=4095, height=33,
depth=1, format=6408, type=5126, pixels=0x3833a50, unpack=0x7f130ee821f0)
at ../../../src/mesa/state_tracker/st_cb_texture.c:789
#11 0x00007f13142d15a1 in texsubimage (ctx=0x7f130ee73010, dims=2, target=3553,
level=0, xoffset=0, yoffset=0, zoffset=0, width=4095, height=33, depth=1,
format=6408, type=5126, pixels=0x3833a50) at
../../../src/mesa/main/teximage.c:3335
#12 0x00007f13142d16f6 in _mesa_TexSubImage2D (target=3553, level=0, xoffset=0,
yoffset=0, width=4095, height=33, format=6408, type=5126, pixels=0x3833a50) at
../../../src/mesa/main/teximage.c:3371
#13 0x00007f13168255d7 in Ogre::GLTextureBuffer::upload (this=0x7f12fd0e89d0,
data=..., dest=...) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/RenderSystems/GL/src/OgreGLHardwarePixelBuffer.cpp:449
#14 0x00007f131682367d in Ogre::GLHardwarePixelBuffer::unlockImpl
(this=0x7f12fd0e89d0) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/RenderSystems/GL/src/OgreGLHardwarePixelBuffer.cpp:96
#15 0x00007f1316822dbd in Ogre::HardwareBuffer::unlock (this=0x7f12fd0e89d0) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/include/OgreHardwareBuffer.h:250
#16 0x00007f131e9f28fd in Ogre::InstanceBatchHW_VTF::updateVertexTexture
(this=0x7f12fd0ddb90, currentCamera=0x7f12f63a07f0) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreInstanceBatchHW_VTF.cpp:502
#17 0x00007f131e9f2adf in Ogre::InstanceBatchHW_VTF::_updateRenderQueue
(this=0x7f12fd0ddb90, queue=0x7f1316e02fb8) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreInstanceBatchHW_VTF.cpp:537
#18 0x00007f131ec83f4c in Ogre::RenderQueue::processVisibleObject
(this=0x7f1316e02fb8, mo=0x7f12fd0ddbf0, cam=0x7f12f63a07f0,
onlyShadowCasters=true, visibleBounds=0x7f1316b39ab0)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderQueue.cpp:309
#19 0x00007f130eeefd06 in Ogre::OctreeNode::_addToRenderQueue
(this=0x7f12f6bb3e00, cam=0x7f12f63a07f0, queue=0x7f1316e02fb8,
onlyShadowCasters=true, visibleBounds=0x7f1316b39ab0)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/PlugIns/OctreeSceneManager/src/OgreOctreeNode.cpp:182
#20 0x00007f130eef3515 in Ogre::OctreeSceneManager::walkOctree
(this=0x7f12fd097600, camera=0x7f12f63a07f0, queue=0x7f1316e02fb8,
octant=0x7f1316cf6b88, visibleBounds=0x7f1316b39ab0, foundvisible=false,
onlyShadowCasters=true)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/PlugIns/OctreeSceneManager/src/OgreOctreeSceneManager.cpp:647
#21 0x00007f130eef3873 in Ogre::OctreeSceneManager::walkOctree
(this=0x7f12fd097600, camera=0x7f12f63a07f0, queue=0x7f1316e02fb8,
octant=0x7f1316cf6a78, visibleBounds=0x7f1316b39ab0, foundvisible=false,
onlyShadowCasters=true)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/PlugIns/OctreeSceneManager/src/OgreOctreeSceneManager.cpp:686
#22 0x00007f130eef365f in Ogre::OctreeSceneManager::walkOctree
(this=0x7f12fd097600, camera=0x7f12f63a07f0, queue=0x7f1316e02fb8,
octant=0x7f1316cede38, visibleBounds=0x7f1316b39ab0, foundvisible=false,
onlyShadowCasters=true)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/PlugIns/OctreeSceneManager/src/OgreOctreeSceneManager.cpp:665
#23 0x00007f130eef3274 in Ogre::OctreeSceneManager::_findVisibleObjects
(this=0x7f12fd097600, cam=0x7f12f63a07f0, visibleBounds=0x7f1316b39ab0,
onlyShadowCasters=true)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/PlugIns/OctreeSceneManager/src/OgreOctreeSceneManager.cpp:578
#24 0x00007f131ebcb8da in Ogre::SceneManager::_renderScene
(this=0x7f12fd097600, camera=0x7f12f63a07f0, vp=0x7f1316c99048,
includeOverlays=false)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreSceneManager.cpp:1518
#25 0x00007f131ed5359f in Ogre::Camera::_renderScene (this=0x7f12f63a07f0,
vp=0x7f1316c99048, includeOverlays=false) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreCamera.cpp:421
#26 0x00007f131ed29879 in Ogre::Viewport::update (this=0x7f1316c99048) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreViewport.cpp:223
#27 0x00007f131ecb6d08 in Ogre::RenderTarget::_updateViewport
(this=0x7f12f63a05e0, viewport=0x7f1316c99048, updateStatistics=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:200
#28 0x00007f131ecb6c1a in Ogre::RenderTarget::_updateAutoUpdatedViewports
(this=0x7f12f63a05e0, updateStatistics=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:178
#29 0x00007f131ecb6b51 in Ogre::RenderTarget::updateImpl (this=0x7f12f63a05e0)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:155
#30 0x00007f131ecb88f2 in Ogre::RenderTarget::update (this=0x7f12f63a05e0,
swap=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:613
#31 0x00007f131ebe0bf9 in Ogre::SceneManager::prepareShadowTextures
(this=0x7f12fd097600, cam=0x7f12fd093e30, vp=0x7f1316bed8e8,
lightList=0x7f12fd09b978)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreSceneManager.cpp:6366
#32 0x00007f131ebcb468 in Ogre::SceneManager::_renderScene
(this=0x7f12fd097600, camera=0x7f12fd093e30, vp=0x7f1316bed8e8,
includeOverlays=true)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreSceneManager.cpp:1447
#33 0x00007f131ed5359f in Ogre::Camera::_renderScene (this=0x7f12fd093e30,
vp=0x7f1316bed8e8, includeOverlays=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreCamera.cpp:421
#34 0x00007f131ed29879 in Ogre::Viewport::update (this=0x7f1316bed8e8) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreViewport.cpp:223
#35 0x00007f131ecb6d08 in Ogre::RenderTarget::_updateViewport
(this=0x7f1317e38c98, viewport=0x7f1316bed8e8, updateStatistics=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:200
#36 0x00007f131ecb6c1a in Ogre::RenderTarget::_updateAutoUpdatedViewports
(this=0x7f1317e38c98, updateStatistics=true) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:178
#37 0x00007f131ecb6b51 in Ogre::RenderTarget::updateImpl (this=0x7f1317e38c98)
at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:155
#38 0x00007f131ecb88f2 in Ogre::RenderTarget::update (this=0x7f1317e38c98,
swap=false) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderTarget.cpp:613
#39 0x00007f131ec94367 in Ogre::RenderSystem::_updateAllRenderTargets
(this=0x7f1317e35008, swapBuffers=false) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRenderSystem.cpp:126
#40 0x00007f131ebb5842 in Ogre::Root::_updateAllRenderTargets
(this=0x7f1317e295f8) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRoot.cpp:1411
#41 0x00007f131ebb3244 in Ogre::Root::renderOneFrame (this=0x7f1317e295f8) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRoot.cpp:972
#42 0x00007f131ebb31f8 in Ogre::Root::startRendering (this=0x7f1317e295f8) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/OgreMain/src/OgreRoot.cpp:962
#43 0x0000000000416994 in OgreBites::SampleContext::go (this=0x7fff5b881860,
initialSample=0x0) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/Samples/Common/include/SampleContext.h:328
#44 0x0000000000413f76 in main (argc=1, argv=0x7fff5b881b98) at
/home/mega/elbatriq-linux/Ogre3D-sources/Ogre3D-source/Samples/Browser/src/SampleBrowser.cpp:116
Ouput of glxinfo:
name of display: :0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_multisample, GLX_EXT_create_context_es2_profile,
GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info,
GLX_EXT_visual_rating, GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,
GLX_OML_swap_method, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, GLX_SGI_swap_control
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_create_context_es2_profile, GLX_EXT_fbconfig_packed_float,
GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context,
GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,
GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer,
GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control,
GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
GLX_SGIX_visual_select_group, GLX_SGI_make_current_read,
GLX_SGI_swap_control, GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_create_context_es2_profile, GLX_EXT_import_context,
GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,
GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
GLX_OML_swap_method, GLX_OML_sync_control, GLX_SGIS_multisample,
GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group,
GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV740
OpenGL core profile version string: 3.1 (Core Profile) Mesa 10.0.2
OpenGL core profile shading language version string: 1.40
OpenGL core profile context flags: (none)
OpenGL core profile extensions:
GL_AMD_conservative_depth, GL_AMD_draw_buffers_blend,
GL_AMD_shader_stencil_export, GL_ANGLE_texture_compression_dxt3,
GL_ANGLE_texture_compression_dxt5, GL_ARB_ES2_compatibility,
GL_ARB_base_instance, GL_ARB_blend_func_extended,
GL_ARB_conservative_depth, GL_ARB_copy_buffer, GL_ARB_debug_output,
GL_ARB_depth_buffer_float, GL_ARB_depth_clamp, GL_ARB_draw_buffers,
GL_ARB_draw_buffers_blend, GL_ARB_draw_elements_base_vertex,
GL_ARB_draw_instanced, GL_ARB_explicit_attrib_location,
GL_ARB_fragment_coord_conventions, GL_ARB_fragment_shader,
GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB,
GL_ARB_get_program_binary, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_instanced_arrays,
GL_ARB_internalformat_query, GL_ARB_invalidate_subdata,
GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range,
GL_ARB_occlusion_query2, GL_ARB_pixel_buffer_object, GL_ARB_point_sprite,
GL_ARB_provoking_vertex, GL_ARB_robustness, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_shader_bit_encoding,
GL_ARB_shader_objects, GL_ARB_shader_stencil_export,
GL_ARB_shader_texture_lod, GL_ARB_shading_language_420pack,
GL_ARB_shading_language_packing, GL_ARB_sync,
GL_ARB_texture_buffer_object, GL_ARB_texture_buffer_range,
GL_ARB_texture_compression_rgtc, GL_ARB_texture_float,
GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_multisample,
GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle,
GL_ARB_texture_rg, GL_ARB_texture_rgb10_a2ui, GL_ARB_texture_storage,
GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle,
GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_uniform_buffer_object, GL_ARB_vertex_array_bgra,
GL_ARB_vertex_array_object, GL_ARB_vertex_attrib_binding,
GL_ARB_vertex_shader, GL_ARB_vertex_type_10f_11f_11f_rev,
GL_ARB_vertex_type_2_10_10_10_rev, GL_ATI_blend_equation_separate,
GL_ATI_texture_compression_3dc, GL_ATI_texture_float,
GL_ATI_texture_mirror_once, GL_EXT_abgr, GL_EXT_blend_equation_separate,
GL_EXT_draw_buffers2, GL_EXT_draw_instanced, GL_EXT_framebuffer_blit,
GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_multisample_blit_scaled,
GL_EXT_framebuffer_sRGB, GL_EXT_packed_depth_stencil, GL_EXT_packed_float,
GL_EXT_pixel_buffer_object, GL_EXT_provoking_vertex, GL_EXT_texture_array,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_latc,
GL_EXT_texture_compression_rgtc, GL_EXT_texture_compression_s3tc,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer,
GL_EXT_texture_mirror_clamp, GL_EXT_texture_sRGB,
GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent,
GL_EXT_texture_snorm, GL_EXT_texture_swizzle, GL_EXT_timer_query,
GL_EXT_transform_feedback, GL_EXT_vertex_array_bgra,
GL_IBM_multimode_draw_arrays, GL_KHR_debug, GL_MESA_pack_invert,
GL_MESA_texture_signed_rgba, GL_NV_conditional_render, GL_NV_depth_clamp,
GL_NV_packed_depth_stencil, GL_NV_texture_barrier, GL_NV_vdpau_interop,
GL_OES_EGL_image, GL_OES_read_format, GL_S3_s3tc
OpenGL version string: 3.0 Mesa 10.0.2
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
GL_AMD_conservative_depth, GL_AMD_draw_buffers_blend,
GL_AMD_shader_stencil_export, GL_ANGLE_texture_compression_dxt3,
GL_ANGLE_texture_compression_dxt5, GL_APPLE_packed_pixels,
GL_APPLE_vertex_array_object, GL_ARB_ES2_compatibility,
GL_ARB_base_instance, GL_ARB_blend_func_extended,
GL_ARB_color_buffer_float, GL_ARB_conservative_depth, GL_ARB_copy_buffer,
GL_ARB_debug_output, GL_ARB_depth_buffer_float, GL_ARB_depth_clamp,
GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_draw_buffers_blend,
GL_ARB_draw_elements_base_vertex, GL_ARB_draw_instanced,
GL_ARB_explicit_attrib_location, GL_ARB_fragment_coord_conventions,
GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
GL_ARB_fragment_shader, GL_ARB_framebuffer_object,
GL_ARB_framebuffer_sRGB, GL_ARB_get_program_binary,
GL_ARB_half_float_pixel, GL_ARB_half_float_vertex,
GL_ARB_instanced_arrays, GL_ARB_internalformat_query,
GL_ARB_invalidate_subdata, GL_ARB_map_buffer_alignment,
GL_ARB_map_buffer_range, GL_ARB_multisample, GL_ARB_multitexture,
GL_ARB_occlusion_query, GL_ARB_occlusion_query2,
GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite,
GL_ARB_provoking_vertex, GL_ARB_robustness, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_shader_bit_encoding,
GL_ARB_shader_objects, GL_ARB_shader_stencil_export,
GL_ARB_shader_texture_lod, GL_ARB_shading_language_100,
GL_ARB_shading_language_420pack, GL_ARB_shading_language_packing,
GL_ARB_shadow, GL_ARB_sync, GL_ARB_texture_border_clamp,
GL_ARB_texture_compression, GL_ARB_texture_compression_rgtc,
GL_ARB_texture_cube_map, GL_ARB_texture_env_add,
GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar,
GL_ARB_texture_env_dot3, GL_ARB_texture_float,
GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_mirrored_repeat,
GL_ARB_texture_multisample, GL_ARB_texture_non_power_of_two,
GL_ARB_texture_rectangle, GL_ARB_texture_rg, GL_ARB_texture_rgb10_a2ui,
GL_ARB_texture_storage, GL_ARB_texture_storage_multisample,
GL_ARB_texture_swizzle, GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_transpose_matrix, GL_ARB_uniform_buffer_object,
GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object,
GL_ARB_vertex_attrib_binding, GL_ARB_vertex_buffer_object,
GL_ARB_vertex_program, GL_ARB_vertex_shader,
GL_ARB_vertex_type_10f_11f_11f_rev, GL_ARB_vertex_type_2_10_10_10_rev,
GL_ARB_window_pos, GL_ATI_blend_equation_separate, GL_ATI_draw_buffers,
GL_ATI_separate_stencil, GL_ATI_texture_compression_3dc,
GL_ATI_texture_env_combine3, GL_ATI_texture_float,
GL_ATI_texture_mirror_once, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color,
GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_compiled_vertex_array,
GL_EXT_copy_texture, GL_EXT_draw_buffers2, GL_EXT_draw_instanced,
GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit,
GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_multisample_blit_scaled,
GL_EXT_framebuffer_object, GL_EXT_framebuffer_sRGB,
GL_EXT_gpu_program_parameters, GL_EXT_multi_draw_arrays,
GL_EXT_packed_depth_stencil, GL_EXT_packed_float, GL_EXT_packed_pixels,
GL_EXT_pixel_buffer_object, GL_EXT_point_parameters,
GL_EXT_polygon_offset, GL_EXT_provoking_vertex, GL_EXT_rescale_normal,
GL_EXT_secondary_color, GL_EXT_separate_specular_color,
GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, GL_EXT_stencil_wrap,
GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D,
GL_EXT_texture_array, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_compression_latc, GL_EXT_texture_compression_rgtc,
GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map,
GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add,
GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer,
GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp,
GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB,
GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent,
GL_EXT_texture_snorm, GL_EXT_texture_swizzle, GL_EXT_timer_query,
GL_EXT_transform_feedback, GL_EXT_vertex_array, GL_EXT_vertex_array_bgra,
GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip,
GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, GL_KHR_debug,
GL_MESA_pack_invert, GL_MESA_texture_array, GL_MESA_texture_signed_rgba,
GL_MESA_window_pos, GL_NV_blend_square, GL_NV_conditional_render,
GL_NV_depth_clamp, GL_NV_fog_distance, GL_NV_light_max_exponent,
GL_NV_packed_depth_stencil, GL_NV_primitive_restart,
GL_NV_texgen_reflection, GL_NV_texture_barrier,
GL_NV_texture_env_combine4, GL_NV_texture_rectangle, GL_NV_vdpau_interop,
GL_OES_EGL_image, GL_OES_read_format, GL_S3_s3tc,
GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp,
GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays
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