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This increases the reference count for the driver binary, preventing it from
getting unloaded prematurely in driDestroyDisplay. See
https://bugs.freedesktop.org/show_bug.cgi?id=13541 .
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The __GLXcontextRec struct is internal to the libGL implementation. No point
in "deprecating", just get rid of it.
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The old implementation fetches fbconfigs or glx visuals once and assumes the list
describes both fbconfigs and glx visuals. This patch splits it up and fetches
visuals and fbconfigs in two steps and keep the two lists separate. A server
could have no glx visuals or no glx fbconfigs and the old code wouldn't know the
difference.
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As for createDrawable and destroyDrawable, these functions immediately
upon entry to driCreateNewContext and immediately before exit from
driDestroyContext. Instead of passing function pointers back and forth
just obtain the drm_context_t prior to calling DRIscreen::createNewContext
and pass it as a parameter.
This change also lets us keep the DRI context XID in the libGL loader only.
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Many DRI entry points took a __DRInativeDisplay pointer and a screen
index as arguments. The only use for the native display pointer was to
pass it back to the loader when looking up the __DRIscreen for the given
screen index.
Instead, let's just pass in the __DRIscreen pointer directly, which
let's drop the __DRInativeDisplay type and the getScreen function.
The assumption is now that the loader will be able to retrieve context
from the __DRIscreen pointer when necessary.
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Make functions for the following extensions only accessable via
glXGetProcAddress:
- GLX_EXT_texture_from_pixmap
- GLX_MESA_copy_sub_buffer
- GLX_MESA_release_buffers
- GLX_MESA_swap_control
- GLX_MESA_swap_frame_usage
- GLX_OML_sync_control
- GLX_SGI_make_current_read
- GLX_SGI_swap_control
- GLX_SGI_video_sync
- GLX_SGIX_swap_barrier
- GLX_SGIX_swap_group
Removed all remnants of the following extensions:
- GLX_MESA_set_3dfx_mode
- GLX_SGI_cushion
- GLX_SGIX_dmbuffer
- GLX_SGIX_video_resize
- GLX_SGIX_video_source
- GLX_SUN_get_transparent_index
-
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serveral things that are broken when building on a system with X.org 7.0rc0
installed.
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DRI drivers using the "old" interface relied on certain fields being at
certain offsets. Removing the structures would break that. Now that the
old interface is no longer supported, the dead data can finally die.
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the evil, ugly GLX_PREFIX macro as well.
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that are currently obtained via glXGetProcAddress and all of the XF86DRI
functions are replaced with a funciton table. This table will be passed to
__driCreateNewScreen.
One of the functions in the table is getProcAddress. This allows some
loaders to expose functionality not in all loaders. This will be immediatly
used for glxEnableExtension (formerly known to drivers as
__glXScrEnableExtension). libGL (and in the future libglx) expose this
function so that drivers can enable GLX extensions. libEGL should exposed
eglEnableExtension to enable EGL extensions. The same function cannot be
used for both because the extensions have different names and (possibly)
different semantics. Drivers can optionally use one, both, or neither.
The key parts are in the __DRIinterfaceMethodsRec structure in
dri_interface.h. A pointer to one of these structures is passed into
__driCreateNewScreen. Because of this, the version of the API is bumped to
20050725. Since the previous version(s) were never in a release, their
existance is erased.
I was actually a little surprised by how much code this cuts from the
drivers. A lot of glXGetProcAddress calls disappear, and a lot of
version checks go with them. Nice.
The one thing I'm not sure of is removing __glXInitialize. For some
reason that function was in the glXGetProcAddress table, but *nothing*
in the Mesa tree used it. Did something with DRI conf. use this
function? It seems odd...
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(from glxclient.h) with PFNCREATENEWSCREEN (from dri_interface.h).
Remove the prototype for __driCreateScreen and fix the prototype for
__driCreateNewScreen (append the API version) in dri_interface.h.
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1,402 lines of code to be removed from Mesa (drivers and libGL). The
big winner is dri_util.c.
Primary changes are:
1. Remove all "deprecated" entry-points from the various structures in
dri_interface.h.
2. Rename the remaining fields to removed "version numbers." So,
bindContext3 becomes bindContext. Functions with "New" in the name
(e.g., CreateNewContext) were *not* changed, but that is an option.
Having "New" in the name is less annoying to me than having "3" in the name.
3. Remove all compatibility code that handles cases where the driver or
the loader is too old to support the latest interfaces.
4. Append the API version to the __driCreateNewScreen function name.
This is currently done by hand. In the future (i.e., the next time we
make an incompatible change to the interface) we'll want to come up with
a better way to do this. This prevents old loaders from being able to load
new (incompatible) drivers.
5. Bump the API version to 20050722. All drivers (by way of dri_util.c)
require this version.
6. All drivers are *required* to expose GLX_SGIX_fbconfig and
GLX_OML_swap_method (or the moral equivalents). Support for these
functions in implicit in the use of the "new" interface.
7. Some cases still exist that need to be compiled differently in a loader
or core Mesa versus in a driver. These are identified by the define
IN_DRI_DRIVER.
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for tracking the current GLX context.
This fixes bug #3024.
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enables libGL to query which extension are exported to applications.
Refactored array-query functionality (from glGet*v) in src/glx/x11/single2.c.
Massive re-write of indirect vertex array support. The most noticable
effect is that glDrawElements now generates DrawArrays protocol. The
side-effects (and the main reasons for the re-work) are that it is much
easier to add support for new arrays (e.g., GL_VERTEX_ATTRIB_ARRAY,
GL_WEIGHT_ARRAY_ARB, etc.) and it is much easier to add support for the new
DrawArrays protocol (required to support ARB_vertex_buffer_object).
These changes were primarilly tested with progs/demos/isosurf.
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glX_proto_send.py script. This eliminates ~600 lines of non-generated
code. With proper compiler optimization settings, it also decreases the
size of libGL.so by about 3KB.
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Eliminate the need for indirect_wrap.h and NEED_GL_FUNCS_WRAPPED.
Basically, this means prepending __indirect_ to all the definitions and
calls of GL functions that don't already have it.
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by adding 'glx/x11' to SRC_DIRS in your build config.
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