Re: [Mesa3d-dev] r600: implement ARB_occlusion_query

2009-10-27 Thread Alex Deucher
On Mon, Oct 26, 2009 at 5:32 PM, Alex Deucher alexdeuc...@gmail.com wrote:
 On Mon, Oct 26, 2009 at 4:55 AM, Stephan Schmid stephan_2...@gmx.de wrote:
 This implements GL_ARB_occlusion_query for RV610
 Currently it results in a huge performance gain in games that take advantage 
 of
 ARB_oq such as sauerbraten (cube2).
 issues:
 - this was tested so far only on RV610. I figured out that the RV610 writes 
 one
  single uint64_t value when triggering the zpass write event. The specs 
 aren't
  too clear about what exactly is written.
  It might be that there are multiple zpass counters on chip and that 
 r6xx/r7xx
  chips write one uint64_t per counter (just as the r300 do it). In this case 
 the
  RV610 would write only one value because it's one of the smallest chips in 
 the
  family so it's got only one counter.
  If my assumtion were true it would be necessary to use n*sizeof(uint64_t) in
  r600_emit_query_finish as offset (n = number of counters/values written) and
  to consider the additional values in radeonQueryGetResult when computing the
  result of the query.
  It would be interesting to know what the other r6xx/r7xx write on 
 zpass-write event
  to support them as well.

 Stephan,

   Nice work!  The zpass stuff is per DB just like the older chips, so
 you'll need to allocate enough memory to support two qwords for each
 DB.  The number of DBs depends on the asic.  We'll probably need a drm
 query similar to what we do for r300.  I'm working on a cleaned up
 version of your mesa patch and a drm patch to return the number of RBs
 like we do for r300.

After testing, it seems r6xx aggregates the zpass results from all DB
blocks into 1 qword.  R7xx, seems to work differently.  I'm following
up internally.  The attached patch works properly on all r6xx cards I
have and certain r7xx cards.  tri-query and glean oq tests pass.

Alex
From 888e8fd56788bcf4fc42b9d630ad1c4a01d8c9b1 Mon Sep 17 00:00:00 2001
From: Alex Deucher alexdeuc...@gmail.com
Date: Tue, 27 Oct 2009 03:50:58 -0400
Subject: [PATCH] r600: add occlusion query support

Based on initial patch from Stephan Schmid stephan_2...@gmx.de.

Basic idea is to dump the zpass count before and after and substract
to get the total number of visible fragments.  R6xx appears to
aggregate the results of all DB blocks into a single qword and works
properly on all cards I've tested on.  R7xx seems to work differently
and needs follow up.

Signed-off-by: Alex Deucher alexdeuc...@gmail.com
---
 src/mesa/drivers/dri/r600/r600_context.c  |   28 --
 src/mesa/drivers/dri/r600/r700_chip.c |   50 +
 src/mesa/drivers/dri/r600/r700_state.c|1 +
 src/mesa/drivers/dri/radeon/radeon_queryobj.c |   28 +++---
 4 files changed, 97 insertions(+), 10 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r600_context.c b/src/mesa/drivers/dri/r600/r600_context.c
index c1bf76d..6fe2926 100644
--- a/src/mesa/drivers/dri/r600/r600_context.c
+++ b/src/mesa/drivers/dri/r600/r600_context.c
@@ -64,6 +64,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include r600_cmdbuf.h
 #include r600_emit.h
 #include radeon_bocs_wrapper.h
+#include radeon_queryobj.h
 
 #include r700_state.h
 #include r700_ioctl.h
@@ -73,11 +74,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include utils.h
 #include xmlpool.h		/* for symbolic values of enum-type options */
 
-/* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
-int future_hw_tcl_on = 1;
-int hw_tcl_on = 1;
-
 #define need_GL_VERSION_2_0
+#define need_GL_ARB_occlusion_query
 #define need_GL_ARB_point_parameters
 #define need_GL_ARB_vertex_program
 #define need_GL_EXT_blend_equation_separate
@@ -98,6 +96,7 @@ static const struct dri_extension card_extensions[] = {
   /* *INDENT-OFF* */
   {GL_ARB_depth_texture,		NULL},
   {GL_ARB_fragment_program,		NULL},
+  {GL_ARB_occlusion_query,GL_ARB_occlusion_query_functions},
   {GL_ARB_multitexture,		NULL},
   {GL_ARB_point_parameters,		GL_ARB_point_parameters_functions},
   {GL_ARB_shadow,			NULL},
@@ -204,6 +203,25 @@ static void r600_fallback(GLcontext *ctx, GLuint bit, GLboolean mode)
 		context-radeon.Fallback = ~bit;
 }
 
+static void r600_emit_query_finish(radeonContextPtr radeon)
+{
+	context_t *context = (context_t*) radeon;
+	BATCH_LOCALS(context-radeon);
+
+	struct radeon_query_object *query = radeon-query.current;
+
+	BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
+	R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
+	R600_OUT_BATCH(ZPASS_DONE);
+	R600_OUT_BATCH(query-curr_offset); /* hw writes qwords */
+	R600_OUT_BATCH(0x);
+	R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query-bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
+	END_BATCH();
+	query-curr_offset += 8 * sizeof(uint64_t);
+	assert(query-curr_offset  RADEON_QUERY_PAGE_SIZE);
+	query-emitted_begin = GL_FALSE;
+}
+
 static void r600_init_vtbl(radeonContextPtr radeon)
 {
 	radeon-vtbl.get_lock = r600_get_lock;
@@ 

Re: [Mesa3d-dev] texformat-rework branch

2009-10-27 Thread Alex Deucher
On Mon, Oct 26, 2009 at 3:06 PM, Brian Paul bri...@vmware.com wrote:
 Alex Deucher wrote:

 On Fri, Oct 23, 2009 at 5:23 PM, Brian Paul bri...@vmware.com wrote:

 Alex, Nicolai,

 Would you guys please test the texformat-rework branch again?

 If it looks OK, I'd like to merge to master soon, but probably not until
 next week.

 Most apps assert:
 radeon_create_renderbuffer: Unknown format 0x001b
 glxgears: main/renderbuffer.c:1981: _mesa_add_renderbuffer: Assertion
 `rb' failed.

 Here's a patch to try.

That seems to fix it.

Alex


 -Brian


 diff --git a/src/mesa/drivers/dri/radeon/radeon_fbo.c
 b/src/mesa/drivers/dri/radeon/radeon_fbo.c
 index 4084682..fc0d312 100644
 --- a/src/mesa/drivers/dri/radeon/radeon_fbo.c
 +++ b/src/mesa/drivers/dri/radeon/radeon_fbo.c
 @@ -280,12 +280,17 @@ radeon_create_renderbuffer(gl_format format,
 __DRIdrawablePrivate *driDrawPriv)
            rrb-base.DataType = GL_UNSIGNED_SHORT;
             rrb-base._BaseFormat = GL_DEPTH_COMPONENT;
            break;
 +       case MESA_FORMAT_X8_Z24:
 +           rrb-base.DataType = GL_UNSIGNED_INT;
 +            rrb-base._BaseFormat = GL_DEPTH_COMPONENT;
 +           break;
        case MESA_FORMAT_S8_Z24:
            rrb-base.DataType = GL_UNSIGNED_INT_24_8_EXT;
             rrb-base._BaseFormat = GL_DEPTH_STENCIL;
            break;
        default:
 -           fprintf(stderr, %s: Unknown format 0x%04x\n, __FUNCTION__,
 format);
 +           fprintf(stderr, %s: Unknown format %s\n,
 +                    __FUNCTION__, _mesa_get_format_name(format));
            _mesa_delete_renderbuffer(rrb-base);
            return NULL;
     }



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[Mesa3d-dev] [Bug 24766] New: 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766

   Summary: 32-bit libGL.so searches for DRI modules in /usr/lib/dri
instead of /usr/lib32/dri
   Product: Mesa
   Version: git
  Platform: Other
OS/Version: All
Status: NEW
  Severity: major
  Priority: medium
 Component: GLX
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: hyper...@gmail.com


Created an attachment (id=30758)
 -- (http://bugs.freedesktop.org/attachment.cgi?id=30758)
Additionally search in /usr/lib/dri/host, e..g. i486-pc-linux.gnu/ for DRI
modules

On Ubuntu Karmic x86_64, all 32-bit applications which use DRI fail to have
Direct Rendering due to libGL.so searching in /usr/lib/dri, which contains
64-bit DRI modules instead of /usr/lib32/dri.

One of the bugs that this has caused is
http://bugs.winehq.org/show_bug.cgi?id=20448, which occurs in combination with
http://bugs.freedesktop.org/show_bug.cgi?id=23335.


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Re: [Mesa3d-dev] [PATCH] Make DRI/DRM state tracker interface less context-dependent

2009-10-27 Thread Zack Rusin
On Saturday 24 October 2009 19:02:51 Younes Manton wrote:
 Hi Thomas,
 
 I'd like to make these changes to make it possible to use the DRM
 state tracker interface with contexts other than pipe_context. Nouveau
 is the only public driver that does DRI1 from what I can see, but I've
 been told that there are some closed drivers that also depend on these
 interfaces and that you look after them.
 
 Added drm_api::create_video_context() to get a pipe_video_context, you
 can ignore it. Changes to the st_* lock functions are trivial and
 obvious, Nouveau doesn't use them but presumably anyone who does can
 return pipe_context-priv just as easily. Changes to
 dri1_api::front_srf_locked() are too, hopefully your front buffer can
 be accessed via pipe_screen as well. I didn't change
 dri1_api::present_locked() because we don't do page flipping yet, but
 I think that could be done with just a screen as well in Nouveau.
 Thoughts?

Younes,

sorry for the slow response, we've been a bit busy lately. 
I can't say that I'm a huge fan of this patch. I've been thinking about it 
lately and essentially I'd like to reiterate what I said initially about the 
pipe_video_context. While I think it's a great idea, I'm not too excited about 
the way it looks right now. It boils down to three problems for me:

1) The interface itself. In particular:

void (*clear_surface)(struct pipe_video_context *vpipe,
 unsigned x, unsigned y,
 unsigned width, unsigned height,
 unsigned value,
 struct pipe_surface *surface);
is problematic for two reasons: a) because it's something that looks more like 
a pipe_context method in itself, b) because it's a combination of a 
surface_fill and clear interface which we moved away from in master

void (*render_picture)(struct pipe_video_context *vpipe,
  /*struct pipe_surface *backround,
  struct pipe_video_rect*backround_area,*/
  struct pipe_video_surface *src_surface,
  enum pipe_mpeg12_picture_type picture_type,
  /*unsignednum_past_surfaces,
  struct pipe_video_surface *past_surfaces,
  unsigned  num_future_surfaces,
  struct pipe_video_surface *future_surfaces,*/
  struct pipe_video_rect*src_area,
  struct pipe_surface   *dst_surface,
  struct pipe_video_rect*dst_area,
  /*unsigned  num_layers,
  struct pipe_texture   *layers,
  struct pipe_video_rect*layer_src_areas,
  struct pipe_video_rect*layer_dst_areas,*/
  struct pipe_fence_handle  **fence);

has simply way too many arguments, not to mention that over a half is 
commented out. It's really a common problem for the entire interface, methods 
are very complex. Gallium deals with it with settable state. Which  brings us 
to another problem with the interface:

struct pipe_video_context
{
   struct pipe_screen *screen;
   enum pipe_video_profile profile;
   enum pipe_video_chroma_format chroma_format;
   unsigned width;
   unsigned height; 
... methods follow...

which means that the interface is both an interface and a state. 
All of it is very un-gallium like.

2) We really need a real world video api implemented with the interface before 
making it public. So it should be proven that openmax or vdpau can actually be 
implemented using the interface before making it public.

3) There's no hardware implementation for the interface and as far as i can 
see there's no plans for one. It's really what the interfaces are for, until 
we have people actually working on a hardware implementation there's no reason 
for this to be a Gallium interface at all.

That's why i think the whole code should be an auxiliary module in which case 
patches like this one wouldn't be even necessary.

When it comes to interfaces it's a lot harder to remove/significantly change an 
interface than to add a new one, so we should be extremely careful when adding 
interfaces and at least try to make sure that for all #1, #2 and #3 are 
fixable.

Also it's worth noting that Keith is the maintainer for Gallium interfaces, so 
pipe_video_context and, in general, all changes to Gallium should always go 
through him.

z

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Re: [Mesa3d-dev] [PATCH] Make DRI/DRM state tracker interface less context-dependent

2009-10-27 Thread José Fonseca
On Tue, 2009-10-27 at 12:11 -0700, Zack Rusin wrote:
 On Saturday 24 October 2009 19:02:51 Younes Manton wrote:
  Hi Thomas,
  
  I'd like to make these changes to make it possible to use the DRM
  state tracker interface with contexts other than pipe_context. Nouveau
  is the only public driver that does DRI1 from what I can see, but I've
  been told that there are some closed drivers that also depend on these
  interfaces and that you look after them.
  
  Added drm_api::create_video_context() to get a pipe_video_context, you
  can ignore it. Changes to the st_* lock functions are trivial and
  obvious, Nouveau doesn't use them but presumably anyone who does can
  return pipe_context-priv just as easily. Changes to
  dri1_api::front_srf_locked() are too, hopefully your front buffer can
  be accessed via pipe_screen as well. I didn't change
  dri1_api::present_locked() because we don't do page flipping yet, but
  I think that could be done with just a screen as well in Nouveau.
  Thoughts?
 
 Younes,
 
 sorry for the slow response, we've been a bit busy lately. 
 I can't say that I'm a huge fan of this patch. I've been thinking about it 
 lately and essentially I'd like to reiterate what I said initially about the 
 pipe_video_context. While I think it's a great idea, I'm not too excited 
 about 
 the way it looks right now. It boils down to three problems for me:
 
 1) The interface itself. In particular:
 
 void (*clear_surface)(struct pipe_video_context *vpipe,
  unsigned x, unsigned y,
  unsigned width, unsigned height,
  unsigned value,
  struct pipe_surface *surface);
 is problematic for two reasons: a) because it's something that looks more 
 like 
 a pipe_context method in itself, b) because it's a combination of a 
 surface_fill and clear interface which we moved away from in master
 
 void (*render_picture)(struct pipe_video_context *vpipe,
   /*struct pipe_surface *backround,
   struct pipe_video_rect*backround_area,*/
   struct pipe_video_surface *src_surface,
   enum pipe_mpeg12_picture_type picture_type,
   /*unsignednum_past_surfaces,
   struct pipe_video_surface *past_surfaces,
   unsigned  num_future_surfaces,
   struct pipe_video_surface *future_surfaces,*/
   struct pipe_video_rect*src_area,
   struct pipe_surface   *dst_surface,
   struct pipe_video_rect*dst_area,
   /*unsigned  num_layers,
   struct pipe_texture   *layers,
   struct pipe_video_rect*layer_src_areas,
   struct pipe_video_rect*layer_dst_areas,*/
   struct pipe_fence_handle  **fence);
 
 has simply way too many arguments, not to mention that over a half is 
 commented out. It's really a common problem for the entire interface, methods 
 are very complex. Gallium deals with it with settable state. Which  brings us 
 to another problem with the interface:
 
 struct pipe_video_context
 {
struct pipe_screen *screen;
enum pipe_video_profile profile;
enum pipe_video_chroma_format chroma_format;
unsigned width;
unsigned height; 
 ... methods follow...
 
 which means that the interface is both an interface and a state. 
 All of it is very un-gallium like.
 
 2) We really need a real world video api implemented with the interface 
 before 
 making it public. So it should be proven that openmax or vdpau can actually 
 be 
 implemented using the interface before making it public.
 
 3) There's no hardware implementation for the interface and as far as i can 
 see there's no plans for one. It's really what the interfaces are for, until 
 we have people actually working on a hardware implementation there's no 
 reason 
 for this to be a Gallium interface at all.
 
 That's why i think the whole code should be an auxiliary module in which case 
 patches like this one wouldn't be even necessary.
 
 When it comes to interfaces it's a lot harder to remove/significantly change 
 an 
 interface than to add a new one, so we should be extremely careful when 
 adding 
 interfaces and at least try to make sure that for all #1, #2 and #3 are 
 fixable.

Yes. Younes, I really think it is better to crystallize this in a
separate branch until it reaches a point where the interfaces are
crystallized. The master branch is not always perfect, but it should
always near a state were a release can be made, and it seems that the
video interfaces need to mature a little more before that.

Jose



[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #1 from Julien Cristau jcris...@debian.org  2009-10-27 12:44:10 
PST ---
On Tue, Oct 27, 2009 at 11:40:05 -0700, bugzilla-dae...@freedesktop.org wrote:

 On Ubuntu Karmic x86_64, all 32-bit applications which use DRI fail to have
 Direct Rendering due to libGL.so searching in /usr/lib/dri, which contains
 64-bit DRI modules instead of /usr/lib32/dri.
 
 One of the bugs that this has caused is
 http://bugs.winehq.org/show_bug.cgi?id=20448, which occurs in combination with
 http://bugs.freedesktop.org/show_bug.cgi?id=23335.

sounds like a packaging issue rather than a mesa bug?


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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #2 from Chow Loong Jin hyper...@gmail.com  2009-10-27 13:31:25 
PST ---
Well, the other way would be to recompile every 32-bit library within ia32-libs
with --libdir=/usr/lib32, which doesn't seem like a particularly good idea to
me either.


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Re: [Mesa3d-dev] [PATCH] Make DRI/DRM state tracker interface less context-dependent

2009-10-27 Thread Younes Manton
On Tue, Oct 27, 2009 at 3:11 PM, Zack Rusin za...@vmware.com wrote:
 Younes,

 sorry for the slow response, we've been a bit busy lately.
 I can't say that I'm a huge fan of this patch. I've been thinking about it
 lately and essentially I'd like to reiterate what I said initially about the
 pipe_video_context. While I think it's a great idea, I'm not too excited about
 the way it looks right now. It boils down to three problems for me:

 1) The interface itself. In particular:

 void (*clear_surface)(struct pipe_video_context *vpipe,
 unsigned x, unsigned y,
 unsigned width, unsigned height,
 unsigned value,
 struct pipe_surface *surface);
 is problematic for two reasons: a) because it's something that looks more like
 a pipe_context method in itself, b) because it's a combination of a
 surface_fill and clear interface which we moved away from in master

Thanks for the comments. I've changed this slightly in my tree to be
::surface_fill() and ::surface_copy() just as in pipe_context. The way
I see it in a video API implementation the client won't have a
pipe_context, so pipe_video_context has to provide these methods so
you can 1) initialize video surfaces (to black, in cases where the
video doesn't actually fill the entire frame) and 2) to copy the
surfaces to the front buffer. Unlike pipe_context these must be
provided because I don't expect surfaces that can't be rendered to to
exist in this context, the only surfaces that should exist are color
buffers. If someone wants/needs to implement these with their
pipe_context then they can, but if their video HW can handle it then
there's no need to initialize a pipe_context at all.

 void (*render_picture)(struct pipe_video_context *vpipe,
  /*struct pipe_surface *backround,
  struct pipe_video_rect*backround_area,*/
  struct pipe_video_surface *src_surface,
  enum pipe_mpeg12_picture_type picture_type,
  /*unsignednum_past_surfaces,
  struct pipe_video_surface *past_surfaces,
  unsigned  num_future_surfaces,
  struct pipe_video_surface *future_surfaces,*/
  struct pipe_video_rect*src_area,
  struct pipe_surface   *dst_surface,
  struct pipe_video_rect*dst_area,
  /*unsigned  num_layers,
  struct pipe_texture   *layers,
  struct pipe_video_rect*layer_src_areas,
  struct pipe_video_rect*layer_dst_areas,*/
  struct pipe_fence_handle  **fence);

 has simply way too many arguments, not to mention that over a half is
 commented out. It's really a common problem for the entire interface, methods
 are very complex.

Well, because they're commented out we haven't really committed to
anything yet, I just had it in there as a reminder of what needs to be
supported for VDPAU (if you remove the comments this function maps
one-to-one with the VDPAU function that does the same thing). I can
implement it as settable states when the time comes if that's what
people prefer.

Gallium deals with it with settable state. Which  brings us
 to another problem with the interface:

 struct pipe_video_context
 {
   struct pipe_screen *screen;
   enum pipe_video_profile profile;
   enum pipe_video_chroma_format chroma_format;
   unsigned width;
   unsigned height;
... methods follow...

 which means that the interface is both an interface and a state.
 All of it is very un-gallium like.

However this isn't mutable state, they're effectively constants; once
you create a pipe_video_context with a set of parameters you get a
context that can only handle what you specified and everything else
fails, so they're there so it can easily be determined what this video
context handles. They could be behind getter functions if that's what
people prefer, but I'm the only one who uses this stuff so I apologize
if my personal habits sometimes sneak in...

 2) We really need a real world video api implemented with the interface before
 making it public. So it should be proven that openmax or vdpau can actually be
 implemented using the interface before making it public.

Fair enough.

 3) There's no hardware implementation for the interface and as far as i can
 see there's no plans for one. It's really what the interfaces are for, until
 we have people actually working on a hardware implementation there's no reason
 for this to be a Gallium interface at all.

 That's why i think the whole code should be an auxiliary module in which case
 patches like this one wouldn't be even 

Re: [Mesa3d-dev] [PATCH] Make DRI/DRM state tracker interface less context-dependent

2009-10-27 Thread Younes Manton
On Tue, Oct 27, 2009 at 3:33 PM, José Fonseca jfons...@vmware.com wrote:
 Yes. Younes, I really think it is better to crystallize this in a
 separate branch until it reaches a point where the interfaces are
 crystallized. The master branch is not always perfect, but it should
 always near a state were a release can be made, and it seems that the
 video interfaces need to mature a little more before that.

 Jose

That's probably the best solution for everybody. I'll copy a video
branch off master, remove the video stuff from master, and continue on
in the video branch. Thanks.

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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #3 from Dan Nicholson dbn.li...@gmail.com  2009-10-27 14:09:35 
PST ---
Why not just build mesa so that the paths are correct? There's even a switch,
--with-dri-driverdir, that sets this correctly. I don't think things will work
correctly if they get moved around after the installation. If Ubuntu multiarch
uses /usr/lib32 for 32 bit libraries, why not just build with
--libdir=/usr/lib32?

If we really want to extend the search path, I'd rather keep the current
default and allow overriding with --with-dri-searchpath or something.


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Re: [Mesa3d-dev] [PATCH] Make DRI/DRM state tracker interface less context-dependent

2009-10-27 Thread Younes Manton
I'd just like to add that if other interfaces will exist in the future
(I recall pipe_2d_context being floated at one time) and state
trackers want to use them without initializing a pipe_context
needlessly and want to reuse the rest of the DRM winsys then the
relevent parts of this patch (or comparable changes) will need to be
considered sooner or later regardless of whether or not
pipe_video_context exists.

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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #4 from Chow Loong Jin hyper...@gmail.com  2009-10-27 16:50:16 
PST ---
Building with --libdir=/usr/lib32 won't work, since 32-bit machines do use
/usr/lib after all. The whole point of this was to avoid the requirement of
rebuilding with different configure arguments, so that all the 32-bit libraries
can be treated the same way (just repacking) for the multiarch ia32-libs
package.

As for --with-dri-searchpath, I think that can be handled without too many
changes to the build system. If you're sure you'd like it that way, I can come
up with a patch to make it that way. I just don't have a lot of time to spare a
the moment and don't want to come up with numerous patches that get rejected
one by one.


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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #5 from Dan Nicholson dbn.li...@gmail.com  2009-10-27 17:26:47 
PST ---
I don't think you can have it both ways. If your system's ABI is 32 bit in
/usr/lib32 and 64 bit in /usr/lib, then you should probably build the binaries
that way. If you want your system's ABI to be compatible with a 32 bit only
system, then put the 64 bit libraries in /usr/lib64 like everybody else.

Mesa libGL is certainly not the only library that dlopen's modules from private
directories. What would you do about, say, gstreamer?

I would commit a patch that changes the search path via a configure argument as
long as it doesn't change the default.


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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #6 from Corbin Simpson mostawesomed...@gmail.com  2009-10-27 
18:01:15 PST ---
Multilib distributions always have extra baggage on their shoulders, and this
is just one more bit of it. I'm really struggling to see how this is our
problem when we've got not just a compile-time flag (--with-dri-driverdir) but
also a run-time environment variable (LIBGL_DRIVERS_PATH) to configure this.

I'd like to close as NOTOURBUG, but I'd like to make sure that nobody else
wants to follow up on this. I also heavily encourage the original reporter to
follow up with Ubuntu directly.


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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #7 from Chow Loong Jin hyper...@gmail.com  2009-10-27 19:07:18 
PST ---
@Dan Nicholson: Sticking 64-bit libraries into /usr/lib64 instead of /usr/lib
would require changing Debian's packaging policy as well as every derivative of
Debian's policy to accomodate one library that won't work otherwise.

I'm not actually sure about what the case is like for GStreamer. However, the
approach I am proposing is actually used within Gtk for loading modules which
are usually found in /usr/lib/gtk-2.0 (i.e. it also searches within
/usr/lib/gtk-2.0/GTK_HOST where GTK_HOST is defined to the $host found from
configure. In fact,
https://bugs.launchpad.net/ubuntu/+source/ia32-libs/+bug/369498 is what I was
referring to when I came up with the patch.

@Corbin Simpson: The compile time flag --with-dri-driverdir would fail if I set
more than one path there, e.g. /usr/lib/dri:/usr/lib/dri/i486-pc-linux-gnu, and
the LIBGL_DRIVERS_PATH environment variable would require that every 64-bit
user running 32-bit OpenGL applications set the environment variable, which is
hardly what I would consider appropriate.


Also, you both were mentioning changing the defaults. The patch I propose
does not change the defaults, it just adds an extra search path. The original
search path is preserved.

Either way, if you wouldn't mind committing a patch that changes the path via a
configure argument, then I'll just write up a patch that does that instead.


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[Mesa3d-dev] [Bug 24766] 32-bit libGL.so searches for DRI modules in /usr/lib/dri instead of /usr/lib32/dri

2009-10-27 Thread bugzilla-daemon
http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #8 from Chow Loong Jin hyper...@gmail.com  2009-10-27 19:08:26 
PST ---
For reference, https://bugs.launchpad.net/ubuntu/+source/ia32-libs/+bug/248392
is the original bug downstream.


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Re: [Mesa3d-dev] texformat-rework branch

2009-10-27 Thread Chia-I Wu
On Mon, Oct 05, 2009 at 09:14:04PM -0600, Brian Paul wrote:
 The texformat-rework branch cleans up the texture format code.  The
 gl_texture_format struct is replaced by a simple gl_format enum (see
 formats.h).  This leads to assorted clean-ups in core mesa and the
 drivers.  This is a step toward unifying and cleaning up the texture
 image and renderbuffer data structures.
I am reading 3fa7db and 8c36ca.  While GLchan-based formats are endian-neutral,
the memory layout of formats like RGBA are affected by host endian.  As a
result, opt_sample_rgba_2d and others seem not respect the endian.

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