mesa.git
15 years agodemos: check that GL version is 2.0 or higher
Brian Paul [Tue, 21 Apr 2009 13:27:12 +0000 (07:27 -0600)]
demos: check that GL version is 2.0 or higher

15 years agost: report GL_OUT_OF_MEMORY instead of asserting
Brian Paul [Mon, 20 Apr 2009 21:03:38 +0000 (15:03 -0600)]
st: report GL_OUT_OF_MEMORY instead of asserting

15 years agotrivial/tri-viewport: add keys for frustrum/ortho and z coordinate
Keith Whitwell [Tue, 21 Apr 2009 10:40:59 +0000 (11:40 +0100)]
trivial/tri-viewport: add keys for frustrum/ortho and z coordinate

15 years agotrivial/tri-viewport: add more out-of-bounds background quads
Keith Whitwell [Tue, 21 Apr 2009 09:59:54 +0000 (10:59 +0100)]
trivial/tri-viewport: add more out-of-bounds background quads

15 years agotrivial/tri_viewport: add space==reset key
Keith Whitwell [Mon, 20 Apr 2009 16:32:15 +0000 (17:32 +0100)]
trivial/tri_viewport: add space==reset key

15 years agotrivial/tri_viewport: add width/height keys
Keith Whitwell [Mon, 20 Apr 2009 16:30:53 +0000 (17:30 +0100)]
trivial/tri_viewport: add width/height keys

15 years agosoftpipe: fix softpipe_is_buffer/texture_referenced() regression
Brian Paul [Mon, 20 Apr 2009 20:57:00 +0000 (14:57 -0600)]
softpipe: fix softpipe_is_buffer/texture_referenced() regression

Return the conservative PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE
value for now.

This fixes a bunch of regressions seen in piglit and glean.

15 years agoswrast: fix pointer arithmetic error in get_texel_array()
Brian Paul [Mon, 20 Apr 2009 20:14:26 +0000 (14:14 -0600)]
swrast: fix pointer arithmetic error in get_texel_array()

This came from commit 1b2ab023673261b4b942e1126c0b599d02fbd4a0

15 years agogdi: Don't implement broken gl_dispatch_stub_xxx.
José Fonseca [Mon, 20 Apr 2009 15:44:15 +0000 (16:44 +0100)]
gdi: Don't implement broken gl_dispatch_stub_xxx.

15 years agowgl: Don't implement broken gl_dispatch_stub_xxx.
José Fonseca [Mon, 20 Apr 2009 15:43:44 +0000 (16:43 +0100)]
wgl: Don't implement broken gl_dispatch_stub_xxx.

These don't respect the stdcall, so they crash upon return.

15 years agomesa: Correct the gl_dispatch_stub_xxx prototypes.
José Fonseca [Mon, 20 Apr 2009 15:40:12 +0000 (16:40 +0100)]
mesa: Correct the gl_dispatch_stub_xxx prototypes.

15 years agomesa: Handle failure to create a transfer.
José Fonseca [Mon, 20 Apr 2009 13:53:08 +0000 (14:53 +0100)]
mesa: Handle failure to create a transfer.

15 years agomesa/progs: fix scons build after recent demo moves
Keith Whitwell [Mon, 20 Apr 2009 15:17:50 +0000 (16:17 +0100)]
mesa/progs: fix scons build after recent demo moves

15 years agotrivial/tri-viewport.c - add guide lines, more triangles, make interactive
Keith Whitwell [Mon, 20 Apr 2009 14:50:44 +0000 (15:50 +0100)]
trivial/tri-viewport.c - add guide lines, more triangles, make interactive

This is becoming more like a test than a trivial/ example.

15 years agost: assert on pipe_buffer_create failure
Keith Whitwell [Fri, 17 Apr 2009 16:11:09 +0000 (17:11 +0100)]
st: assert on pipe_buffer_create failure

This needs a proper fix to propogate the out-of-memory condition back
up to Mesa and the app as a GL error.  Until then, at least catch the
problem at its source.

15 years agotests/mipmap_view: add linear/nearest key
Keith Whitwell [Fri, 17 Apr 2009 14:54:57 +0000 (15:54 +0100)]
tests/mipmap_view:  add linear/nearest key

15 years agoutil: don't set unused blend state
Keith Whitwell [Fri, 17 Apr 2009 10:29:39 +0000 (11:29 +0100)]
util: don't set unused blend state

Try to avoid creating multiple blend atoms.

15 years agotrace: Add initializer for static variables
Jakob Bornecrantz [Mon, 20 Apr 2009 14:05:01 +0000 (16:05 +0200)]
trace: Add initializer for static variables

15 years agor300: fix register-negate branch merge regression
Maciej Cencora [Mon, 20 Apr 2009 13:31:44 +0000 (07:31 -0600)]
r300: fix register-negate branch merge regression

15 years agogallium: Fix glDraw/CopyPixels fragment program leak.
Michel Dänzer [Mon, 20 Apr 2009 10:52:56 +0000 (12:52 +0200)]
gallium: Fix glDraw/CopyPixels fragment program leak.

15 years agotrace: Enable dumping to be turned on and off
Jakob Bornecrantz [Sun, 19 Apr 2009 15:09:10 +0000 (16:09 +0100)]
trace: Enable dumping to be turned on and off

15 years agost: Wait to create bitmap transfer until needed
Jakob Bornecrantz [Sat, 18 Apr 2009 22:14:58 +0000 (23:14 +0100)]
st: Wait to create bitmap transfer until needed

15 years agoautoconf: Build gallium softpipe when driver=xlib
Jakob Bornecrantz [Sat, 18 Apr 2009 22:13:56 +0000 (23:13 +0100)]
autoconf: Build gallium softpipe when driver=xlib

15 years agoprogs/demos: Update ignore
Jakob Bornecrantz [Sun, 19 Apr 2009 15:22:43 +0000 (16:22 +0100)]
progs/demos: Update ignore

15 years agoprogs/glsl: Update ignore
Jakob Bornecrantz [Sat, 18 Apr 2009 22:16:54 +0000 (23:16 +0100)]
progs/glsl: Update ignore

15 years agosoftpipe: Simplify softpipe_create's prototype.
José Fonseca [Sat, 18 Apr 2009 22:14:42 +0000 (23:14 +0100)]
softpipe: Simplify softpipe_create's prototype.

15 years agosoftpipe: Fix softpipe_is_texture_referenced prototype.
José Fonseca [Sat, 18 Apr 2009 22:06:11 +0000 (23:06 +0100)]
softpipe: Fix softpipe_is_texture_referenced prototype.

15 years agosoftpipe: Remove softpipe_winsys.
José Fonseca [Sat, 18 Apr 2009 20:22:32 +0000 (21:22 +0100)]
softpipe: Remove softpipe_winsys.

Not used by softpipe anyway.

15 years agodemos: added glsl/texaaline.c program and overhaul the Makefile
Brian Paul [Sat, 18 Apr 2009 20:18:59 +0000 (14:18 -0600)]
demos: added glsl/texaaline.c program and overhaul the Makefile

15 years agodemos: updated .gitignore list
Brian Paul [Sat, 18 Apr 2009 19:18:44 +0000 (13:18 -0600)]
demos: updated .gitignore list

15 years agodocs: removed/added demo programs
Brian Paul [Sat, 18 Apr 2009 19:16:35 +0000 (13:16 -0600)]
docs: removed/added demo programs

15 years agodemos: move demos/texobj.c to tests/
Brian Paul [Sat, 18 Apr 2009 19:12:50 +0000 (13:12 -0600)]
demos: move demos/texobj.c to tests/

15 years agodemos: move demos/occlude.c (old HP extension) to tests
Brian Paul [Sat, 18 Apr 2009 19:10:51 +0000 (13:10 -0600)]
demos: move demos/occlude.c (old HP extension) to tests

15 years agodemos: move tests/dinoshade.c to demos/
Brian Paul [Sat, 18 Apr 2009 19:08:48 +0000 (13:08 -0600)]
demos: move tests/dinoshade.c to demos/

15 years agodemos: move tests/projtex.c to demos/
Brian Paul [Sat, 18 Apr 2009 19:05:51 +0000 (13:05 -0600)]
demos: move tests/projtex.c to demos/

And fix compiler warnings.

15 years agodemos: move tests/fbotexture.c to demos/
Brian Paul [Sat, 18 Apr 2009 19:00:48 +0000 (13:00 -0600)]
demos: move tests/fbotexture.c to demos/

15 years agodemos: move texdown.c to tests/
Brian Paul [Sat, 18 Apr 2009 18:58:00 +0000 (12:58 -0600)]
demos: move texdown.c to tests/

15 years agodemos: move glutfx demo to tests/
Brian Paul [Sat, 18 Apr 2009 18:57:13 +0000 (12:57 -0600)]
demos: move glutfx demo to tests/

15 years agodemos: move streaming_rect.c demo to tests/
Brian Paul [Sat, 18 Apr 2009 18:55:55 +0000 (12:55 -0600)]
demos: move streaming_rect.c demo to tests/

15 years agodemos: move glslnoise.c demo to glsl/noise2.c
Brian Paul [Sat, 18 Apr 2009 18:54:27 +0000 (12:54 -0600)]
demos: move glslnoise.c demo to glsl/noise2.c

15 years agoi965: use region width, height in brw_update_renderbuffer_surface()
Brian Paul [Sat, 18 Apr 2009 16:42:15 +0000 (10:42 -0600)]
i965: use region width, height in brw_update_renderbuffer_surface()

Fixes a regression from commit 2c30fd84dfa052949a117c78d932b58c1f88b446
seen with DRI1.

15 years agointel: #include polygon.h to silence warning
Brian Paul [Sat, 18 Apr 2009 16:40:21 +0000 (10:40 -0600)]
intel: #include polygon.h to silence warning

15 years agodemos: fix incorrect assertion
Brian Paul [Sat, 18 Apr 2009 16:20:26 +0000 (10:20 -0600)]
demos: fix incorrect assertion

15 years agomesa: add switch case for GL_VERTEX_STATE_PROGRAM_NV in _mesa_new_program()
Brian Paul [Sat, 18 Apr 2009 16:08:54 +0000 (10:08 -0600)]
mesa: add switch case for GL_VERTEX_STATE_PROGRAM_NV in _mesa_new_program()

Fixes bug seen in progs/tests/vptest1.c

15 years agodemos: fix usage text
Brian Paul [Sat, 18 Apr 2009 16:08:15 +0000 (10:08 -0600)]
demos: fix usage text

15 years agointel: Handle ARB_vertex_buffer_object state in intel_clear_tris().
Michel Dänzer [Sat, 18 Apr 2009 13:47:14 +0000 (15:47 +0200)]
intel: Handle ARB_vertex_buffer_object state in intel_clear_tris().

Fixes gearsvbo app by Michael Clark.

15 years agodemos: new glsl/array.c demo
Brian Paul [Fri, 17 Apr 2009 22:23:33 +0000 (16:23 -0600)]
demos: new glsl/array.c demo

Test variable indexing into a uniform array in a vertex shader.

15 years agointel: make sure polygon mode is set properly in intel_clear_tris()
Brian Paul [Fri, 17 Apr 2009 22:11:05 +0000 (16:11 -0600)]
intel: make sure polygon mode is set properly in intel_clear_tris()

Fixes progs/glsl/skinning.c demo.

15 years agomesa: suppress extra newline
Brian Paul [Fri, 17 Apr 2009 22:04:41 +0000 (16:04 -0600)]
mesa: suppress extra newline

15 years agoi915: fix broken indirect constant buffer reads
Brian Paul [Fri, 17 Apr 2009 22:01:20 +0000 (16:01 -0600)]
i915: fix broken indirect constant buffer reads

The READ message's msg_control value can be 0 or 1 to indicate that the
Oword should be read into the lower or upper half of the target register.
It seems that the other half of the register gets clobbered though.  So
we read into two dest registers then use a MOV to combine the upper/lower
halves.

15 years agomesa: build a float[4] value in _mesa_add_sampler() to avoid random values
Brian Paul [Fri, 17 Apr 2009 19:55:58 +0000 (13:55 -0600)]
mesa: build a float[4] value in _mesa_add_sampler() to avoid random values

15 years agodri: build DRI swrast driver too
Brian Paul [Thu, 16 Apr 2009 22:41:07 +0000 (16:41 -0600)]
dri: build DRI swrast driver too

15 years agodri: __driUtilMessage(): not all messages are errors
Brian Paul [Thu, 16 Apr 2009 22:37:53 +0000 (16:37 -0600)]
dri: __driUtilMessage(): not all messages are errors

15 years agomesa: minor tweak to error message
Brian Paul [Thu, 16 Apr 2009 22:29:45 +0000 (16:29 -0600)]
mesa: minor tweak to error message

15 years agoi965: updated CURBE allocation code
Brian Paul [Thu, 16 Apr 2009 21:43:32 +0000 (15:43 -0600)]
i965: updated CURBE allocation code

Now that we have real constant buffers, the demands on the CURBE are lessened.
When we use real VS/WM constant buffers we only use the CURBE for clip planes.

15 years agoxlib/trace: Fixup xlib trace
Jakob Bornecrantz [Fri, 17 Apr 2009 19:23:14 +0000 (21:23 +0200)]
xlib/trace: Fixup xlib trace

15 years agopipe: Get the p_atomic_dec_zero logic right this time.
José Fonseca [Fri, 17 Apr 2009 17:40:46 +0000 (18:40 +0100)]
pipe: Get the p_atomic_dec_zero logic right this time.

15 years agodemos: move glewInit() call, fixes crash/bug 21247
Brian Paul [Fri, 17 Apr 2009 15:15:58 +0000 (09:15 -0600)]
demos: move glewInit() call, fixes crash/bug 21247

15 years agogallium: Fix PIPE_ATOMIC_GCC_INTRINSIC build.
Michel Dänzer [Fri, 17 Apr 2009 15:02:34 +0000 (17:02 +0200)]
gallium: Fix PIPE_ATOMIC_GCC_INTRINSIC build.

15 years agodemos: move glewInit() after glutCreateWindow()
Brian Paul [Fri, 17 Apr 2009 14:09:17 +0000 (08:09 -0600)]
demos: move glewInit() after glutCreateWindow()

Fixes segfault.  See bug 21239.  However, the demo doesn't render
properly.  Probably a bug in the GL_ATI_fragment_shader code.

15 years agotrace: Keep screen objects on lists
Jakob Bornecrantz [Fri, 17 Apr 2009 13:55:51 +0000 (15:55 +0200)]
trace: Keep screen objects on lists

15 years agotrace: Fix is_referenced functions
Jakob Bornecrantz [Fri, 17 Apr 2009 14:00:25 +0000 (16:00 +0200)]
trace: Fix is_referenced functions

15 years agotrace: Simplify trace_buffer function
Jakob Bornecrantz [Fri, 17 Apr 2009 13:52:05 +0000 (15:52 +0200)]
trace: Simplify trace_buffer function

15 years agopipe: Fix InterlockedDecrement usage.
José Fonseca [Fri, 17 Apr 2009 14:01:38 +0000 (15:01 +0100)]
pipe: Fix InterlockedDecrement usage.

15 years agowgl: Put commas in the right places.
José Fonseca [Fri, 17 Apr 2009 13:55:49 +0000 (14:55 +0100)]
wgl: Put commas in the right places.

15 years agowgl: Flip the pixel format order.
José Fonseca [Fri, 17 Apr 2009 13:53:10 +0000 (14:53 +0100)]
wgl: Flip the pixel format order.

List 32bit pixel formats first, as nobody is interested in 16bit pixel
formats nowadays.

15 years agogallium: Create OGL state tracker wrappers for various CPU access operations.
Thomas Hellstrom [Fri, 17 Apr 2009 09:47:30 +0000 (11:47 +0200)]
gallium: Create OGL state tracker wrappers for various CPU access operations.

There are two usage types of buffer CPU accesses:
One where we try to use the buffer contents for multiple draw commands in
a batch. (batch := sequence of commands that are flushed together),
like incrementally adding bitmaps to a bitmap texture that is reallocated
on flush.
And one where we assume we can safely overwrite the old buffer contexts, like
glTexSubImage. In this case we need to make sure all old drawing commands
referencing the buffer are flushed before we map the buffer.
This is easily forgotten.

Add wrappers for the most common of these operations. The first type is
prefixed with "st_no_flush" and the second type is prefixed with
"st_cond_flush", where "cond" indicates that we attmpt to only flush
if there is indeed unflushed draw commands referencing the buffer.

Prefixed functions are
screen::get_tex_transfer
pipe_buffer_write
pipe_buffer_read
pipe_buffer_map

Please use the wrappers whenever possible.

Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
15 years agoegl: don't crash with one more khronos api
Zack Rusin [Fri, 17 Apr 2009 11:05:24 +0000 (07:05 -0400)]
egl: don't crash with one more khronos api

15 years agogallium: simplify further the logic for selecting mutex implementation
Keith Whitwell [Fri, 17 Apr 2009 10:01:22 +0000 (11:01 +0100)]
gallium: simplify further the logic for selecting mutex implementation

Cleaner than the previous cleanup...

15 years agoutil: flush stdout before emitting debug_printf on stderr
Keith Whitwell [Fri, 17 Apr 2009 09:38:07 +0000 (10:38 +0100)]
util: flush stdout before emitting debug_printf on stderr

A lot of the mesa demos emit commentary on stdout, try to keep it in
sync with the corresponding output from debug_printf().

15 years agogallium: add #warning to mutex-based atomic implementation
Keith Whitwell [Fri, 17 Apr 2009 09:17:59 +0000 (10:17 +0100)]
gallium: add #warning to mutex-based atomic implementation

Some builds end up picking this up.

15 years agopython/retrace: Rename module as it conflicts with a builtin module.
José Fonseca [Fri, 17 Apr 2009 09:07:53 +0000 (10:07 +0100)]
python/retrace: Rename module as it conflicts with a builtin module.

And there is no way to override a builtin module... sigh

15 years agoscons: Cleanup.
José Fonseca [Thu, 16 Apr 2009 20:41:01 +0000 (21:41 +0100)]
scons: Cleanup.

15 years agodemos: set init window size, not pos
Brian Paul [Thu, 16 Apr 2009 16:28:27 +0000 (10:28 -0600)]
demos: set init window size, not pos

15 years agodocs: separate compilation units in 7.5
Brian Paul [Thu, 16 Apr 2009 16:28:15 +0000 (10:28 -0600)]
docs: separate compilation units in 7.5

15 years agoMerge branch 'register-negate'
Brian Paul [Fri, 17 Apr 2009 04:02:54 +0000 (22:02 -0600)]
Merge branch 'register-negate'

15 years agoegl/main/Makefile: Add dependency of install target on default build target
Alan Coopersmith [Fri, 17 Apr 2009 03:06:08 +0000 (20:06 -0700)]
egl/main/Makefile: Add dependency of install target on default build target

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
15 years agoi915: Remove dead i830TexEnv and i915TexEnv.
Eric Anholt [Thu, 16 Apr 2009 18:32:30 +0000 (11:32 -0700)]
i915: Remove dead i830TexEnv and i915TexEnv.

These LOD bias updates are covered by the texture state uploads in
*_texstate.c now.

15 years agointel: Add support for argb1555, argb4444 FBOs and fix rgb565 fbo readpixels.
Eric Anholt [Fri, 10 Apr 2009 01:30:12 +0000 (18:30 -0700)]
intel: Add support for argb1555, argb4444 FBOs and fix rgb565 fbo readpixels.

Also enable them all regardless of screen bpp, as 32 bpp what I've been
testing against, and haven't been able to detect any screen bpp-specific
troubles with them.

15 years agoi965: disable using immediate values for MOV instructions
Brian Paul [Thu, 16 Apr 2009 17:08:12 +0000 (11:08 -0600)]
i965: disable using immediate values for MOV instructions

For some reason, MOV instructions using immediate src values don't seem
to work reliably on the GLSL path.  Disable them for now (falling back to
const buffer reads).  This fixes a bunch of glean glsl1 failures.

15 years agoi965: minor debug output changes
Brian Paul [Thu, 16 Apr 2009 17:06:00 +0000 (11:06 -0600)]
i965: minor debug output changes

15 years agoi965: const buffer debug code (disabled)
Brian Paul [Wed, 15 Apr 2009 22:49:48 +0000 (16:49 -0600)]
i965: const buffer debug code (disabled)

15 years agoi965: implement relative addressing for VS constant buffer reads
Brian Paul [Wed, 15 Apr 2009 22:49:18 +0000 (16:49 -0600)]
i965: implement relative addressing for VS constant buffer reads

A scatter-read should be possible, but we're just using two READs for
the time being.

15 years agoi965: handle address reg in get_dst()
Brian Paul [Wed, 15 Apr 2009 20:53:51 +0000 (14:53 -0600)]
i965: handle address reg in get_dst()

15 years agoi965: fix const buffer temp register clobbering
Brian Paul [Wed, 15 Apr 2009 18:22:47 +0000 (12:22 -0600)]
i965: fix const buffer temp register clobbering

Calls to release_tmps() were causing the temps holding constants to get
recycled.

15 years agomesa: fix bad mask bit in clip plane restore code for glPopAttrib()
Lars Henning Wendt [Thu, 16 Apr 2009 16:14:17 +0000 (10:14 -0600)]
mesa: fix bad mask bit in clip plane restore code for glPopAttrib()

15 years agointel: fix small compressed texture upload
Roland Scheidegger [Thu, 16 Apr 2009 15:39:43 +0000 (17:39 +0200)]
intel: fix small compressed texture upload

need to round up height for _mesa_copy_rect otherwise
textures with height smaller than 4 won't get copied to the miptree at all
Also fix up the confusing debug output (don't output unitialized values,
and output if data is present and the compressed flag)

15 years agomesa: add distclean target to top-level Makefile
Brian Paul [Thu, 16 Apr 2009 15:31:45 +0000 (09:31 -0600)]
mesa: add distclean target to top-level Makefile

15 years agodemos: use larger buffer for snprintf() call, see bug 21220
Brian Paul [Thu, 16 Apr 2009 15:25:52 +0000 (09:25 -0600)]
demos: use larger buffer for snprintf() call, see bug 21220

15 years agovbo: cache last dlist vertex in malloced memory
Keith Whitwell [Thu, 16 Apr 2009 11:19:19 +0000 (12:19 +0100)]
vbo: cache last dlist vertex in malloced memory

Avoids repeated mapping of the VBO buffer on display list replay.  We
need access to the final vertex in order to update the GL current attrib
values.

15 years agoMerge branch 'gallium-s3tc'
José Fonseca [Thu, 16 Apr 2009 09:51:42 +0000 (10:51 +0100)]
Merge branch 'gallium-s3tc'

15 years agoprogs/tests: Make texcompress2 get texture
Jakob Bornecrantz [Wed, 15 Apr 2009 21:36:22 +0000 (23:36 +0200)]
progs/tests: Make texcompress2 get texture

15 years agoutil: Fix surface usage
Jakob Bornecrantz [Wed, 15 Apr 2009 21:33:07 +0000 (23:33 +0200)]
util: Fix surface usage

15 years agost: remove XXX comment
Brian Paul [Wed, 15 Apr 2009 15:54:04 +0000 (09:54 -0600)]
st: remove XXX comment

15 years agost: check for fast memcpy path in decompress_with_blit()
Brian Paul [Wed, 15 Apr 2009 15:52:04 +0000 (09:52 -0600)]
st: check for fast memcpy path in decompress_with_blit()

15 years agost: st_equal_formats() function to compare gallium/GL pixel formats
Brian Paul [Wed, 15 Apr 2009 15:51:38 +0000 (09:51 -0600)]
st: st_equal_formats() function to compare gallium/GL pixel formats

15 years agost: decompress_with_blit() path for glGetTexImage().
Brian Paul [Wed, 15 Apr 2009 15:37:22 +0000 (09:37 -0600)]
st: decompress_with_blit() path for glGetTexImage().

Decompress a texture by rendering a textured quad.

15 years agogallium: new, simple RGBA surface create/destroy helpers
Brian Paul [Wed, 15 Apr 2009 15:36:03 +0000 (09:36 -0600)]
gallium: new, simple RGBA surface create/destroy helpers

Use these for quickly creating an RGBA drawing surface.

15 years agor300-gallium: Fixup for commit 9b75627fab5bf2ea90f27ddd31b60c54895f6de6.
Thomas Hellstrom [Wed, 15 Apr 2009 15:22:40 +0000 (17:22 +0200)]
r300-gallium: Fixup for commit 9b75627fab5bf2ea90f27ddd31b60c54895f6de6.

Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
15 years agogallium: Make sure we flush before some texture / buffer operations.
Thomas Hellstrom [Wed, 15 Apr 2009 13:53:34 +0000 (15:53 +0200)]
gallium: Make sure we flush before some texture / buffer operations.

Also implement context member functions to optimize away those
flushes whenever possible.

Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>