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ARB_vertex_buffer_object looks like a useful extension even for old chips.
The drivers should not need any code to be able to use this extension since
they just use mesa's vbo code anyway.
Newly enabled for i810, mach64, mga, r128, radeon, savage, sis and unichrome.
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Use _mesa_reference_framebuffer() and _mesa_unreference_framebuffer() functions
to be sure reference counting is done correctly. Additional assertions are
done too. Note _mesa_dereference_framebuffer() renamed to "unreference" as
that's more accurate.
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The coordinates need to be computed after we've got the hw lock.
Code updated to:
1. Ignore all/x/y/width/height/ params passed to Clear func.
2. Pass 0,0,0,0,0 to _swrast_Clear() until they're totally removed.
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default/fallback functions are already plugged in by the call to
_mesa_init_driver_functions().
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AGP map is equivalent to the AGP physical address. Fix this.
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- use macros to access and modify render inputs bit-field;
- un-alias generic vertex attributes for ARB vertex calls;
- use MAX_VERTEX_PROGRAM_ATTRIBS (NV code) or MAX_VERTEX_ATTRIBS
(ARB code) in place of VERT_ATTRIB_MAX;
- define VERT_ATTRIB_GENERIC0..15 for un-aliased vertex
attributes for ARB_vertex_shader;
- fix generic attribute index range check in arbprogparse.c;
- interface GLSL varyings between vertex and fragment shader;
- use 64-bit optimised bitset (bitset.h) for render inputs;
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GL_STENCIL_INDEX8 with GL_STENCIL_INDEX8_EXT). Fix potential problem with drivers which use 32bit z buffers.
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Replace use of FLOAT_TO_USHORT with either CLAMPED_FLOAT_TO_USHORT or
UNCLAMPED_FLOAT_TO_USHORT. Same should be done for UBYTE, UINT, etc.
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not respecting the coords (or perhaps interpreting them differently?) in my
testing. However, in the process it led to a fix of a secondary color handling
issue where it would be taken from the wrong offset, I believe, based off of
reading the r200 driver. Also add a minor tweak to save time in the
fog-but-not-specular case.
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width and height stayed the same. Rely on front.offset pointing at the origin
in the window (rather than the origin of the front buffer), and fix the coords
in swapbuffers, which were wrong. This is different from other drivers because
we've got a back buffer with a 0,0 origin at the window's origin, which makes it
more convenient to have the front buffer match it.
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last drop I saw, which was in turn based on a code drop of mine. Texturing,
culling, and several extensions are unimplemented, and some features could
probably be improved. It's untested, but there don't appear to be regressions on
the 300-series code, so I'd like to get these bits in now so that it can be
worked on as not a huge diff.
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just do it per blit. No noticable performance difference (or behavior
difference, in my tests), and a significant difference in sanity.
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wouldn't get confused when adding support for new formats. However, it resulted
in dying in texenv instead of drawing something undefined for GL_DECAL. Do what
GLcore apparently does and just pass the fragment through.
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concerned that TEXEL_YUV422 looks like TEXEL_YVU422 and TEXEL_VUY422 looks like
TEXEL_VYU422 in yuvrect, but I'm happy enough for now.
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tuxracer and the upcoming support for secondary color).
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we start copying. I haven't seen it go wrong before, but I'm pretty sure this
fix is correct.
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ones require custom texstore, so they aren't done yet.
- Add YCBCR support commented out, since the yuvsquare test didn't work with
just the bits I've added.
- Add the no-compression GL_ARB_texture_compression support.
- Add the driconf texture depth option and try to respect it.
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the float values to bytes before packing them. Tested with texenv.
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render state, not texture state). While here, move a SIS_FIREVERTICES to a more
appropriate location, though it was harmless.
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tested using texwrap, fixing the sourcing of border constant values (use the
bytes, not the floats!). Remove the fallback on GL_CLAMP_TO_EDGE, which acts
properly, and add a note to GL_CLAMP about nonconformance (whcih is what the
fallback for CLAMP_TO_EDGE was probably targeting).
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the register header was meaningful. It turns out those were the proper values
for the plain INCR/DECR ops, while what we were using as INCR/DECR were the
_WRAP versions. Tested with stencil_wrap (didn't expose normal/_WRAP swapping)
and stencilwrap (exposed it nicely) tests. Props to idr for poking me about
adding this.
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"fall" so far) and make the fallback_force option be no_rast like other drivers.
Incidentally, makes no_rast not crash (though it still fails to render).
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drirenderbuffers pointed at screen offset 0 and NULL. Instead, set up the front
buffer at startup but leave the others for later, since sis allocates them on
demand rather than using the static method of the other non-sis-descendent
drivers. Some basic apps work, but fallbacks may be broken still.
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in __driCreateNewScreen_20050727 resulted in crashing in dispatch. Rendering
remains broken.
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_BaseFormat to be consistant with gl_renderbuffer.
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call driUpdateFramebufferSize() when window size/position changes.
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ctx->Driver.Stencil*Separate() functions.
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driNewRenderbuffer().
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Add additional checks for the *DRIRec info structure passed in from the
device driver. This ensures that things fallback to indirect rendering if
the DDX driver has had modifications (i.e. removal of the drmAddress field).
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_glapi_add_entrypoint has been replaced by a new routine called
_glapi_add_dispatch. This new routine dynamically assignes dispatch offsets
to functions added. This allows IHVs to add support for extension functions
that do not have assigned dispatch offsets.
It also means that a driver has no idea what offset will be assigned to a
function. The vast majority of the changes in this commit account for that.
An additional table, driDispatchRemapTable, is added. Functions not in the
Linux OpenGL ABI (i.e., anything not in GL 1.2 + ARB_multitexture) has a
fixed offset in this new table. The entry in this table specifies the
offset in of the function in the real dispatch table.
The internal interface was also bumped from version 20050725 to 20050727.
This has been tested with various programs in progs/demos on:
radeon (Radeon Mobility M6)
r128 (Rage 128 Pro)
mga (G400)
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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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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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Remove old (pre-renderbuffer) span code instead of converting that too. Remove this old code from mach64 (the dead code was not fully converted to spantmp2 previously) too.
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individual drivers and put them in common code. It is still possible for a driver to define its own macros if it has special needs. This affects CLIPPIXEL, CLIPSPAN, HW_CLIPLOOP, HW_ENDCLIPLOOP, and for drivers using the spantmp2 template also GET_SRC_PTR and GET_DST_PTR.
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device-specific code. A new Python script
(src/mesa/glapi/extension_helper.py) generates a list of all
entry-points for all known extensions. Each driver the selects only
the extensions that it needs and enables the via either
driInitExtensions or driInitSingleExtension.
This code has been compile-tested on a drivers, but has only been
run-tested on mga and i915 (on i830 hardware).
These changes were discussed at length on the mesa3d-dev mailing list.
http://marc.theaimsgroup.com/?t=111947074700001&r=1&w=2
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values to reserved fields on the card, resulting in all-black output and
sometimes hangs.
Submitted by: Thomas Winischhofer
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Main driver impacts:
- new code for creating the Mesa GLframebuffer
- new span/pixel read/write code
Some drivers not yet updated/tested.
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