mesa.git
17 years agocall ctx->Driver.NewProgram() instead of _mesa_new_program()
Brian [Tue, 24 Jul 2007 15:56:44 +0000 (09:56 -0600)]
call ctx->Driver.NewProgram() instead of _mesa_new_program()

17 years agofix logic error, typos
Brian [Tue, 24 Jul 2007 15:19:22 +0000 (09:19 -0600)]
fix logic error, typos

17 years agofix GLX_STEREO handling (bug 11705)
Brian [Mon, 23 Jul 2007 22:51:57 +0000 (16:51 -0600)]
fix GLX_STEREO handling (bug 11705)

17 years agoFix a number of MINGW32 issues
Zhang [Sat, 21 Jul 2007 17:28:06 +0000 (11:28 -0600)]
Fix a number of MINGW32 issues

17 years agoRemove ctx->Point._Size and ctx->Line._Width.
Brian [Sat, 21 Jul 2007 16:06:18 +0000 (10:06 -0600)]
Remove ctx->Point._Size and ctx->Line._Width.

The clamping for these values depends on whether we're drawing AA or non-AA
points, lines.  Defer clamping until drawing time.  Drivers could compute and
keep clamped AA and clamped non-AA values if desired.

17 years agoremove VC6/VC7 project files until updated
Brian [Sat, 21 Jul 2007 16:04:14 +0000 (10:04 -0600)]
remove VC6/VC7 project files until updated

17 years agofix bogus recently introduced function param comments
Roland Scheidegger [Fri, 20 Jul 2007 09:34:26 +0000 (11:34 +0200)]
fix bogus recently introduced function param comments

17 years agofix mesa's handling of fbo's / window fb (again)
Roland Scheidegger [Wed, 18 Jul 2007 18:17:14 +0000 (20:17 +0200)]
fix mesa's handling of fbo's / window fb (again)

Make sure the relevant fields in window fbs get updated at appropriate time
(those are NOT the same as fbos!!!), and fix up related code accordingly.
This is a bit ugly, but there's a reason the issues section in EXT_fbo is
a couple hundred pages long...
Hopefully correct now.

17 years agomore fixes for mesa's fbo handling (fixes tests/fbotest1/2)
Roland Scheidegger [Wed, 18 Jul 2007 16:07:12 +0000 (18:07 +0200)]
more fixes for mesa's fbo handling (fixes tests/fbotest1/2)

17 years agofix up mesa's probably bogus framebuffer updates with different read/write fbs
Roland Scheidegger [Thu, 19 Jul 2007 15:58:21 +0000 (17:58 +0200)]
fix up mesa's probably bogus framebuffer updates with different read/write fbs

Conflicts:

src/mesa/main/framebuffer.c

17 years agofix mesa fb binding
Roland Scheidegger [Tue, 17 Jul 2007 15:29:55 +0000 (17:29 +0200)]
fix mesa fb binding

Make sure that we bind the right buffer (draw or read) when rebinding
the window framebuffer (the api doesn't allow binding different draw and
read buffers at the same time, but the default window framebuffer is basically
2 fb objects, one for read, one for write, which can be different). Pass both
of these two down the driver api (no driver uses this right now).

17 years agoincrease MAX_RELOCS so never run out before batch buffer is full (fixes xdemos/shape)
Roland Scheidegger [Tue, 17 Jul 2007 10:56:30 +0000 (12:56 +0200)]
increase MAX_RELOCS so never run out before batch buffer is full (fixes xdemos/shape)

17 years agor300: Oops, made a mistake on commit fb4e071beda6e3b9e68a21bbc7649b6c4733c485.
Oliver McFadden [Wed, 18 Jul 2007 02:59:08 +0000 (02:59 +0000)]
r300: Oops, made a mistake on commit fb4e071beda6e3b9e68a21bbc7649b6c4733c485.

17 years agor300: Cleaned up vertprog construction.
Oliver McFadden [Wed, 18 Jul 2007 02:49:26 +0000 (02:49 +0000)]
r300: Cleaned up vertprog construction.

Construct the vertprog instruction in the 4 DWORD parts...

DWORD 0: Opcode and Output.
DWORD 1: First Argument.
DWORD 2: Second Argument.
DWORD 3: Third Argument.

Allow the opcode translation functions to generate more than one instruction;
useful for when an instruction must be emulated. FLR, XPD, etc.

17 years agor300: Corrected texcoord start when BFC1 is enabled.
Tommy Schultz Lassen [Wed, 18 Jul 2007 00:37:43 +0000 (00:37 +0000)]
r300: Corrected texcoord start when BFC1 is enabled.

17 years agor300: Corrected some progs/fp/* regressions from the BFC patch.
Oliver McFadden [Mon, 16 Jul 2007 21:43:39 +0000 (21:43 +0000)]
r300: Corrected some progs/fp/* regressions from the BFC patch.

I'm not completely sure this is correct; it restores the old behaviour.

17 years agor300: Use _mesa_num_inst_src_regs for number of arguments.
Oliver McFadden [Mon, 16 Jul 2007 20:24:41 +0000 (20:24 +0000)]
r300: Use _mesa_num_inst_src_regs for number of arguments.

17 years agor300: Corrected vertprog FLR and XPD instruction regression.
Oliver McFadden [Mon, 16 Jul 2007 20:07:30 +0000 (20:07 +0000)]
r300: Corrected vertprog FLR and XPD instruction regression.

17 years agor300: Added code for vertprog opcode ARL.
Oliver McFadden [Mon, 16 Jul 2007 19:20:32 +0000 (19:20 +0000)]
r300: Added code for vertprog opcode ARL.

17 years agor300: Don't need vertprog scalar flag anymore; it's handled explicitly...
Oliver McFadden [Mon, 16 Jul 2007 19:13:46 +0000 (19:13 +0000)]
r300: Don't need vertprog scalar flag anymore; it's handled explicitly...

17 years agor300: Removed broken RCC vertprog opcode.
Oliver McFadden [Mon, 16 Jul 2007 19:10:13 +0000 (19:10 +0000)]
r300: Removed broken RCC vertprog opcode.

17 years agor300: More vertprog rework; give each opcode it's own function.
Oliver McFadden [Mon, 16 Jul 2007 19:09:29 +0000 (19:09 +0000)]
r300: More vertprog rework; give each opcode it's own function.

17 years agoRevert "r300: Gracefully exit after GART memory is exhausted."
Oliver McFadden [Mon, 16 Jul 2007 16:21:21 +0000 (16:21 +0000)]
Revert "r300: Gracefully exit after GART memory is exhausted."

This reverts commit 9457bf62bbba3b9226ebbbea5dc7798ca22485f6.

Causes the X server to die with Compiz and Beryl.

17 years agor300: Reorder the vertprog code to the ARB specification.
Oliver McFadden [Mon, 16 Jul 2007 16:17:50 +0000 (16:17 +0000)]
r300: Reorder the vertprog code to the ARB specification.

17 years agofix bogus fb/drawable information
Roland Scheidegger [Mon, 16 Jul 2007 16:21:36 +0000 (18:21 +0200)]
fix bogus fb/drawable information

the framebuffer objects attached to drawables can have invalidate state
associated with them, since for the window framebuffer this is per-context
state and not per-fbo state. Since drivers rely on that information
(otherwise would need to check if currently the window-framebuffer is
bound in a lot of places) fix it up in _mesa_make_current (ugly).
(Brought over from i915tex_privbuffers, where it fixes xdemos/wincopy
when switching to front buffer rendering.)

17 years agofix segfault with i915 drivers in swrast drawpixels path when resizing windows
Roland Scheidegger [Mon, 16 Jul 2007 16:09:30 +0000 (18:09 +0200)]
fix segfault with i915 drivers in swrast drawpixels path when resizing windows

17 years agor300: Use the R300_PVS_UPLOAD_* defines.
Oliver McFadden [Mon, 16 Jul 2007 15:42:16 +0000 (15:42 +0000)]
r300: Use the R300_PVS_UPLOAD_* defines.

17 years agor300: Added the clip plane upload defines.
Oliver McFadden [Mon, 16 Jul 2007 15:39:12 +0000 (15:39 +0000)]
r300: Added the clip plane upload defines.

17 years agor300: Enable the vertprog point size again.
Oliver McFadden [Mon, 16 Jul 2007 12:21:38 +0000 (12:21 +0000)]
r300: Enable the vertprog point size again.

17 years agor300: Corrected position bug with position invariant option. Bug #11594.
Oliver McFadden [Mon, 16 Jul 2007 11:34:40 +0000 (11:34 +0000)]
r300: Corrected position bug with position invariant option. Bug #11594.

17 years agor300: Removed Vim modeline I left in the file by mistake. :-)
Oliver McFadden [Mon, 16 Jul 2007 07:17:22 +0000 (07:17 +0000)]
r300: Removed Vim modeline I left in the file by mistake. :-)

17 years agor300: Make sure the modified value of u_temp_i is respected.
Oliver McFadden [Mon, 16 Jul 2007 07:12:29 +0000 (07:12 +0000)]
r300: Make sure the modified value of u_temp_i is respected.

17 years agor300: Added a function for vertex program default opcode translation.
Oliver McFadden [Mon, 16 Jul 2007 06:38:12 +0000 (06:38 +0000)]
r300: Added a function for vertex program default opcode translation.

17 years agor300: Clean up the vertex program maximum length check.
Oliver McFadden [Mon, 16 Jul 2007 06:33:53 +0000 (06:33 +0000)]
r300: Clean up the vertex program maximum length check.

17 years agor300: Corrected indenting in r300_vertprog.c.
Oliver McFadden [Mon, 16 Jul 2007 06:27:29 +0000 (06:27 +0000)]
r300: Corrected indenting in r300_vertprog.c.

17 years agor300: Major vertex program code clean up and rework.
Oliver McFadden [Mon, 16 Jul 2007 06:16:35 +0000 (06:16 +0000)]
r300: Major vertex program code clean up and rework.

17 years agor300: Replaced the ugly VERTEX_SHADER_INSTRUCTION typedef.
Oliver McFadden [Mon, 16 Jul 2007 05:04:10 +0000 (05:04 +0000)]
r300: Replaced the ugly VERTEX_SHADER_INSTRUCTION typedef.

17 years agor300: Gracefully exit after GART memory is exhausted.
Oliver McFadden [Sun, 15 Jul 2007 01:17:54 +0000 (01:17 +0000)]
r300: Gracefully exit after GART memory is exhausted.

17 years agor300: Disable vertex program point size; it's almost certainly wrong.
Oliver McFadden [Sat, 14 Jul 2007 18:31:29 +0000 (18:31 +0000)]
r300: Disable vertex program point size; it's almost certainly wrong.

See the conversation between myself and Tommy Schultz Lassen on mesa3d-dev.

17 years agor300: Clean up the vertex program output assignment.
Oliver McFadden [Sat, 14 Jul 2007 18:11:45 +0000 (18:11 +0000)]
r300: Clean up the vertex program output assignment.

17 years agonouveau: nv10 and nv11,15 are different
Patrice Mandin [Sat, 14 Jul 2007 16:54:22 +0000 (18:54 +0200)]
nouveau: nv10 and nv11,15 are different

17 years agofix shader/info string length queries (bug 11588)
Jan Dvorak [Fri, 13 Jul 2007 22:36:00 +0000 (16:36 -0600)]
fix shader/info string length queries (bug 11588)

17 years agoPlay "nuke the typedef"
Ben Skeggs [Fri, 13 Jul 2007 13:39:24 +0000 (23:39 +1000)]
Play "nuke the typedef"

17 years agoRevert "r300: Corrected off-by-one error in r300_vertprog.c."
Oliver McFadden [Fri, 13 Jul 2007 09:39:23 +0000 (09:39 +0000)]
Revert "r300: Corrected off-by-one error in r300_vertprog.c."

This reverts commit 07ac2386f5c0ab9c2432d4b5e3490b1e13d033fc.

17 years agor300: Corrected off-by-one error in r300_vertprog.c.
Oliver McFadden [Fri, 13 Jul 2007 04:58:32 +0000 (04:58 +0000)]
r300: Corrected off-by-one error in r300_vertprog.c.

17 years agor300: Moved some hardware initialization into appropriate functions.
Oliver McFadden [Fri, 13 Jul 2007 02:11:58 +0000 (02:11 +0000)]
r300: Moved some hardware initialization into appropriate functions.

17 years agor300: Use a switch statement in r300UpdateCulling.
Oliver McFadden [Fri, 13 Jul 2007 01:45:05 +0000 (01:45 +0000)]
r300: Use a switch statement in r300UpdateCulling.

17 years agor300: Setup the back facing color bits correctly.
Oliver McFadden [Thu, 12 Jul 2007 23:52:06 +0000 (23:52 +0000)]
r300: Setup the back facing color bits correctly.

Apparently for back facing color to work you must set all 3 color bits; I guess
the hardware cannot handle them separately.

17 years agofix width/depth mix-up (bug 11577)
Brian [Fri, 13 Jul 2007 03:32:35 +0000 (21:32 -0600)]
fix width/depth mix-up (bug 11577)

17 years agofix swizzle-related bug 11534
Brian [Thu, 12 Jul 2007 20:50:53 +0000 (14:50 -0600)]
fix swizzle-related bug 11534

17 years agonv20 also don't support viewport_origin, like nv10
Patrice Mandin [Thu, 12 Jul 2007 16:36:41 +0000 (18:36 +0200)]
nv20 also don't support viewport_origin, like nv10

17 years agonouveau: match drm 0.0.9 interface
Ben Skeggs [Thu, 12 Jul 2007 01:08:17 +0000 (11:08 +1000)]
nouveau: match drm 0.0.9 interface

17 years agoclean-up of stencil code
Brian [Wed, 11 Jul 2007 22:33:15 +0000 (16:33 -0600)]
clean-up of stencil code

17 years agoMinor clean-up of polygon offset logic. Properly compute _MRD field.
Brian [Wed, 11 Jul 2007 22:19:51 +0000 (16:19 -0600)]
Minor clean-up of polygon offset logic. Properly compute _MRD field.

17 years agoImprove this demo in a few ways.
Brian [Wed, 11 Jul 2007 19:11:47 +0000 (13:11 -0600)]
Improve this demo in a few ways.

1. Use more reasonable hither/yon clip planes to make better use of shallow
(16-bit) z buffers.
2. Use different colors on cube faces to help detect Z fighting if it occurs.
3. Report GL_DEPTH_BITS on start-up.

17 years agor300: Added support for Back Facing Color.
Tommy Schultz Lassen [Wed, 11 Jul 2007 17:37:12 +0000 (17:37 +0000)]
r300: Added support for Back Facing Color.

17 years agor300: Corrected r300UpdateCulling; would only set font face if culling was set.
Tommy Schultz Lassen [Wed, 11 Jul 2007 17:35:35 +0000 (17:35 +0000)]
r300: Corrected r300UpdateCulling; would only set font face if culling was set.

17 years agonouveau: nv20 does not support hw scissors
Patrice Mandin [Wed, 11 Jul 2007 17:25:32 +0000 (19:25 +0200)]
nouveau: nv20 does not support hw scissors

17 years agobumped nouveau DRM interface version number
Arthur Huillet [Wed, 11 Jul 2007 00:48:40 +0000 (02:48 +0200)]
bumped nouveau DRM interface version number

17 years agoi915tex: Better procedure for dropping batchbuffer on virtual resolution change.
Michel Dänzer [Tue, 10 Jul 2007 09:02:18 +0000 (11:02 +0200)]
i915tex: Better procedure for dropping batchbuffer on virtual resolution change.

The previous procedure would often result in a GPU lockup.

17 years agoi915tex: Only wait for vblank when really necessary.
Michel Dänzer [Tue, 10 Jul 2007 08:54:51 +0000 (10:54 +0200)]
i915tex: Only wait for vblank when really necessary.

This avoids superfluous waits for vblank timing out under some circumstances.

17 years agoClear pointers to freed cliprects.
Michel Dänzer [Tue, 10 Jul 2007 08:49:28 +0000 (10:49 +0200)]
Clear pointers to freed cliprects.

Not doing this could lead to double frees under rare circumstances.

17 years agoFix size test bug in _mesa_test_proxy_teximage().
Brian [Sun, 8 Jul 2007 15:58:18 +0000 (09:58 -0600)]
Fix size test bug in _mesa_test_proxy_teximage().

width/height/depth == 0 is a legal texture size (no error generated).
Later, the texture will be considered incomplete, however, and texturing
will effectively be disabled.
See bug 11309.

17 years agoCheck if 'indices' parameter is NULL (bug 11314)
Brian [Sun, 8 Jul 2007 15:20:42 +0000 (09:20 -0600)]
Check if 'indices' parameter is NULL (bug 11314)

17 years agoChange float depthScale param to _mesa_unpack_depth_span() to GLuint depthMax.
Brian [Sun, 8 Jul 2007 15:02:36 +0000 (09:02 -0600)]
Change float depthScale param to _mesa_unpack_depth_span() to GLuint depthMax.

17 years agocheck depthScale value for optimized ushort->uint case (fixes bug 11474)
Brian [Sun, 8 Jul 2007 14:53:19 +0000 (08:53 -0600)]
check depthScale value for optimized ushort->uint case (fixes bug 11474)

17 years agoIn _swsetup_Translate(), update dest->attrib[FRAG_ATTRIB_COL0].
Brian [Fri, 6 Jul 2007 22:51:19 +0000 (16:51 -0600)]
In _swsetup_Translate(), update dest->attrib[FRAG_ATTRIB_COL0].

Also, check if we're in RGB vs. CI mode.  This fixes a problem with
incorrect rendering color seen with the redbook/polys demo.

17 years agoAdd case for GL_QUADS in i915_reduced_primitive_state().
Brian [Fri, 6 Jul 2007 22:50:13 +0000 (16:50 -0600)]
Add case for GL_QUADS in i915_reduced_primitive_state().

The t_dd_tritemp.h code can emit GL_QUADS primitives.  We need to catch
that case to determine if polygon stipple should be enabled.
Fixes bug reported by Carlos Diógenes on 4 July 2007.

17 years agoMerge branch 'master' of git+ssh://pmandin@git.freedesktop.org/git/mesa/mesa
Patrice Mandin [Fri, 6 Jul 2007 22:08:35 +0000 (00:08 +0200)]
Merge branch 'master' of git+ssh://pmandin@git.freedesktop.org/git/mesa/mesa

17 years agoNV_17 is different from NV_10
Patrice Mandin [Fri, 6 Jul 2007 21:59:29 +0000 (23:59 +0200)]
NV_17 is different from NV_10

17 years agoNV1X don't support VIEWPORT_ORIGIN in hardware
Patrice Mandin [Fri, 6 Jul 2007 21:55:51 +0000 (23:55 +0200)]
NV1X don't support VIEWPORT_ORIGIN in hardware

17 years agocall glutInit(), bug 11486
Xavier Bachelot [Fri, 6 Jul 2007 18:56:21 +0000 (12:56 -0600)]
call glutInit(), bug 11486

17 years agostencil pixel map didn't work in _mesa_unpack_stencil_span(), bug 11475
Brian [Thu, 5 Jul 2007 15:37:46 +0000 (09:37 -0600)]
stencil pixel map didn't work in _mesa_unpack_stencil_span(), bug 11475

17 years agoBe more consistant with paths in #includes. Eventually, eliminate a bunch of -I...
Brian [Wed, 4 Jul 2007 19:15:20 +0000 (13:15 -0600)]
Be more consistant with paths in #includes.  Eventually, eliminate a bunch of -I flags.

17 years agosupport more modes, added -f cmd line option
Brian [Wed, 4 Jul 2007 15:23:12 +0000 (09:23 -0600)]
support more modes, added -f cmd line option

17 years agoassorted clean-ups
Brian [Wed, 4 Jul 2007 15:22:15 +0000 (09:22 -0600)]
assorted clean-ups

17 years agofix LogicOp/bitmap problem, bug 11133
Eric Anholt [Wed, 4 Jul 2007 13:37:14 +0000 (07:37 -0600)]
fix LogicOp/bitmap problem, bug 11133

17 years agoadd fbdev/ to DEMO_FILES
Brian [Tue, 3 Jul 2007 21:46:38 +0000 (15:46 -0600)]
add fbdev/ to DEMO_FILES

17 years agor300: only init swtcl on tcl-less cards
Dave Airlie [Wed, 4 Jul 2007 05:29:31 +0000 (15:29 +1000)]
r300: only init swtcl on tcl-less cards

17 years agoadded vec2(vec4) constructor, bug 11404
Brian [Tue, 3 Jul 2007 17:41:56 +0000 (11:41 -0600)]
added vec2(vec4) constructor, bug 11404

17 years agoadd code for stpq, rgba writemasks in make_writemask(), bug 11404
Brian [Tue, 3 Jul 2007 17:41:21 +0000 (11:41 -0600)]
add code for stpq, rgba writemasks in make_writemask(), bug 11404

17 years agofix StepX/StepY typo
Brian [Tue, 3 Jul 2007 16:06:13 +0000 (10:06 -0600)]
fix StepX/StepY typo

17 years agouse _mesa_unpack_stencil_span() in draw_stencil_pixels(), bug 11457
Brian [Tue, 3 Jul 2007 14:53:49 +0000 (08:53 -0600)]
use _mesa_unpack_stencil_span() in draw_stencil_pixels(), bug 11457

17 years agofix GL_DOT3_RGBA texture combiner mode in generated fragment programs (bug #11030)
Roland Scheidegger [Tue, 3 Jul 2007 12:27:41 +0000 (14:27 +0200)]
fix GL_DOT3_RGBA texture combiner mode in generated fragment programs (bug #11030)

17 years agoadd const to wglSetPixelFormat() to match .h declaration
Brian [Mon, 2 Jul 2007 16:16:02 +0000 (10:16 -0600)]
add const to wglSetPixelFormat() to match .h declaration

17 years agoavoid unnecessary clamping of depth values (bug 11448)
Brian [Mon, 2 Jul 2007 14:46:57 +0000 (08:46 -0600)]
avoid unnecessary clamping of depth values (bug 11448)

17 years agor300: fix compiz crash on swtcl - doesn't fix compiz though.
Dave Airlie [Mon, 2 Jul 2007 07:21:45 +0000 (17:21 +1000)]
r300: fix compiz crash on swtcl - doesn't fix compiz though.

Compiz for some reason looks like ass, everything with textures
looks like it has a 2x width/height multiplier on the texture coords...

17 years agoCompute the amount of time to sleep on idle event using timers as reference.
Claudio Ciccani [Sun, 1 Jul 2007 10:24:44 +0000 (12:24 +0200)]
Compute the amount of time to sleep on idle event using timers as reference.

17 years agoFixed initialization of render buffer and deinitialization of context.
Claudio Ciccani [Sun, 1 Jul 2007 10:23:12 +0000 (12:23 +0200)]
Fixed initialization of render buffer and deinitialization of context.

17 years agor300: oops wrong logic for swtcl
Dave Airlie [Sun, 1 Jul 2007 09:27:26 +0000 (19:27 +1000)]
r300: oops wrong logic for swtcl

17 years agor300: oops turn back off cmd buf debugging
Dave Airlie [Sun, 1 Jul 2007 08:52:47 +0000 (18:52 +1000)]
r300: oops turn back off cmd buf debugging

17 years agoMerge branch 'r300-swtcl'
Dave Airlie [Sun, 1 Jul 2007 08:50:14 +0000 (18:50 +1000)]
Merge branch 'r300-swtcl'

17 years agofix tabbing
Dave Airlie [Sun, 1 Jul 2007 08:46:39 +0000 (18:46 +1000)]
fix tabbing

17 years agor300: add authorship
Dave Airlie [Sun, 1 Jul 2007 08:43:22 +0000 (18:43 +1000)]
r300: add authorship

17 years agor300: remove some unused code
Dave Airlie [Sun, 1 Jul 2007 08:42:27 +0000 (18:42 +1000)]
r300: remove some unused code

17 years agor300: cleanup some of the swtcl code
Dave Airlie [Sun, 1 Jul 2007 08:40:26 +0000 (18:40 +1000)]
r300: cleanup some of the swtcl code

17 years agor300: fixup manytex, we needed to emit the vic/vir/vof every time
Dave Airlie [Sun, 1 Jul 2007 08:29:23 +0000 (18:29 +1000)]
r300: fixup manytex, we needed to emit the vic/vir/vof every time

17 years agor300: fix tabbing
Dave Airlie [Sun, 1 Jul 2007 07:15:50 +0000 (17:15 +1000)]
r300: fix tabbing

17 years agosimplify INIT_SPAN code
Brian [Sat, 30 Jun 2007 03:52:18 +0000 (21:52 -0600)]
simplify INIT_SPAN code

17 years agos/SPAN_RGBA/SPAN_INDEX/ in clear_ci_buffer_with_masking()
Brian [Sat, 30 Jun 2007 03:33:59 +0000 (21:33 -0600)]
s/SPAN_RGBA/SPAN_INDEX/ in clear_ci_buffer_with_masking()