https://bugs.freedesktop.org/show_bug.cgi?id=64568
--- Comment #2 from José Fonseca <jfons...@vmware.com> ---
> 614ee25077b7ffafeb87b22563d01856824fb4bc is the first bad commit
> commit 614ee25077b7ffafeb87b22563d01856824fb4bc
> Author: Marek Olšák <mar...@gmail.com>
> Date: Thu May 2 02:38:43 2013 +0200
>
> st/mesa: initialize all program constants and UBO limits
>
> Also simplify UBO support checking.
>
> NOTE: This is a candidate for the 9.1 branch.
>
> Reviewed-by: Brian Paul <bri...@vmware.com>
I confirm the same here.
The output of glxinfo changed radically with this patch:
--- /tmp/old.txx 2013-05-14 16:24:41.543837747 +0100
+++ /tmp/new.txx 2013-05-14 16:25:47.448257369 +0100
@@ -126,7 +126,7 @@
GL_MAX_TEXTURE_LOD_BIAS_EXT = 16
GL_MAX_DRAW_BUFFERS_ARB = 8
GL_VERTEX_PROGRAM_ARB:
- GL_MAX_PROGRAM_INSTRUCTIONS_ARB = 16384
+ GL_MAX_PROGRAM_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_TEMPORARIES_ARB = 256
GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = 256
@@ -134,26 +134,26 @@
GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = 32384
GL_MAX_PROGRAM_ATTRIBS_ARB = 16
GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = 32
- GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = 1
+ GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = 16
GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = 16
GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = 4096
GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = 256
GL_FRAGMENT_PROGRAM_ARB:
- GL_MAX_PROGRAM_INSTRUCTIONS_ARB = 16384
+ GL_MAX_PROGRAM_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_TEMPORARIES_ARB = 256
GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = 256
GL_MAX_PROGRAM_PARAMETERS_ARB = 32384
GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = 32384
- GL_MAX_PROGRAM_ATTRIBS_ARB = 12
+ GL_MAX_PROGRAM_ATTRIBS_ARB = 32
GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = 32
- GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = 0
+ GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = 16
GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = 16
GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = 4096
GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = 256
- GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB = 16384
- GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB = 16384
- GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB = 16384
+ GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB = 1048576
+ GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB = 1048576
+ GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB = 1048576
GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = 1048576
GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = 1048576
I suspect that this is causing a buffer overflow somewhere.
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