This results in more clean shader code and may improve the quality of
optimized code produced by r600-sb due to eliminated false dependencies
in some cases.
Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
The remaining bits happen to do nothing that
_swrast_span_render_start()/finish() don't do.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
It's not really span code ever since we stopped using spans for S8.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
In the case of renering to windows in X, we would render to stale buffers
(or not render at all!) if you hit a MapRenderbuffer as the first thing
done to your window after new buffers are ready to be collected in DRI2.
I think this also covers the weird comment about irb->mt being missing
sometimes.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
I always forget how we do this for compressed textures.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Now that everything goes through ImageSlices[], we can rely on the
driver's existing texture mapping function.
A big block of code goes away on Radeon that looks like it was to deal with
the validate that happened at SpanRenderStart, which no longer occurs since we
don't need validation for the MapTextureImage hook.
v2: Rewrite comment about ImageSlices, fix duplicated swImages, touch up
unmap loop.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> (v1)
Reviewed-by: Brian Paul <brianp@vmware.com>
This code is trying to deal with providing a map in the case that
AllocTexImageBuffer was called, which is hooked up to the swrast variant.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
MapTextureImage has the exact same logic, except it can also handle
swrast-allocated buffers.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
For hardware drivers with pitch alignment requirements, a
non-power-of-two-sized texture format won't end up being an integer number
of pixels per row. Also, avoids having to change our units between
MapTextureImage's rowStride and swrast's RowStride.
This doesn't fully convert the compressed texel fetch path, but does make
sure we don't drop any bits (not that we'd expect to).
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
This is a step toward allowing drivers to use their normal mapping paths,
instead of requiring that all slice mappings come from an aligned offset
from the first slice's map.
This incidentally fixes missing slice handling in FXT1 swrast.
v2: Use slice height helper function.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
v2: Move slice height calculation to a helper function (recommeded by Brian).
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> (v1)
Reviewed-by: Brian Paul <brianp@vmware.com>
This function going to get used a lot more in upcoming patches.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Improves GLB2.7 performance on my HSW by 0.671455% +/- 0.225037% (n=62).
v2: Make is_valid_3src() a method of the fs_reg. (recommended by Ken)
Reviewed-by: Matt Turner <mattst88@gmail.com> (v1)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> (v1)
Improves GLB2.7 trex performance 1.01985% +/- 0.721366% on my IVB (n=10)
and by 3.38771% +/- 0.584241% (n=15) on my HSW, due to a 32x32 ARGB8888
cubemap going from untiled to tiled.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
It appears that Z16 on Intel hardware is in fact slower than Z24, so
people are getting surprisingly hurt when trying to use Z16 as a
performance-versus-precision tradeoff, or when they're targeting GLES2 and
that's all you get.
GL 3.0+ have Z16 on the list of required exact format sizes, but GLES
doesn't, so choose the better-performing layout in that case. Improves
GLB 2.7 trex performance at 1920x1080 by 10.7% +/- 1.1% (n=3) on my IVB
system.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
For this multi-page single statement, my thought the end was to that the
next block was mis-indented, rather than that the dropped indentation
actually indicated the end of the loop.
In almost all of our cases, getters that are turned on for only some API
variants will have an extension listed as one of the things that can
enable it, and thus api_check gets set. For extra_gl30_es3 (used for
NUM_EXTENSIONS, MAJOR_VERSION, MINOR_VERSION) on a GL 2.1 context, though,
we would check twice, not find either one, but never actually throw the
error.
While we may provide the extension, we need to tell applications that they
can't actually use it:
An implementation can either set QUERY_COUNTER_BITS_ARB to the
value 0, or to some number greater than or equal to n. If an
implementation returns 0 for QUERY_COUNTER_BITS_ARB, then the
occlusion queries will always return that zero samples passed the
occlusion test, and so an application should not use occlusion
queries on that implementation.
These are entirely based on the opcode, which is available in
backend_instruction. It makes sense to only implement them in one
place.
This changes the VS implementation of is_tex() slightly, which now
accepts FS_OPCODE_TXB and SHADER_OPCODE_LOD. However, since those
aren't generated in the VS anyway, it should be fine.
This also makes is_control_flow() available in the VS.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
only report overflow for missing targets if they're actually being
used. if the targets are missing but are not being used by any
slot in the stream output declaration we should correctly just
ignore them.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
Interpolation modes other than perspective-barycentric-pixel-center (and
their associated coefficients in the WM payload) only exist in Gen6 and
later.
Unfortunately, if a varying was declared as `centroid`, we would blindly
read the nonexistant values, and so produce all manner of bad behavior
-- texture swimming, snow, etc.
Fixes rendering in Counter-Strike Source and Team Fortress 2 on
Ironlake.
NOTE: This is a candidate for the 9.1 branch.
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Jordan Justen <jordan.l.justen@intel.com>
We were crashing if one of the buffers wasn't set, we should
just treat it as an overflow. It's useful when using so
statistics because it allows one to figure out how much data
would be generated by so without actually writing any of it.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
we weren't adding the soa offsets when constructing the indices
for the gather functions. That meant that we were always returning
the data in the first vertex/primitive/pixel in the SoA structure
and not correctly fetching from all structures.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
We already hold the variable, just weren't providing access
to it.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
We weren't taking the buffer offset, destination offset or the
stride into consideration so we were frequently writing into
an overflown buffer.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
