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If a fragment shader references an input for which there's no vertex
shader output (ex: texcoord3), use vertex output 0 by default.
Basically, the attribute's value will be undefined. The shader writer
should never rely on undefined fragment shader inputs anyway.
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Delay validation until someone really needs the vertex layout (vbuf alloc
vertex buffer or point/line/tri setup/rendering).
This will allow the vertex size to change depending on whether we're
drawing points, lines or triangles.
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Without this, we might not get any rendering at SwapBuffers time when using the vbuf path.
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Fixes gears being upside down on the box in demos/gearbox.
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Remove pipe_texture->first_level (always implicitly zero). This means there's
never any unused mipmap levels at the top.
In the state tracker, we no longer re-layout mipmapped textures if the
MinLod/MaxLod texture parameters change. It's up to the driver to obey the
pipe_sampler->min/max_lod clamps.
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introduce intermediate step gallivm_ir before compiling it
down to the final llvm ir.
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Now, pass in a template object and return a new object.
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This came from commit f3aa4de034b0d791ce2e38e8aeb3b3abdb4e3b50 on 1/22/08.
Fixes strange Z buffer glitches seen in progs/glsl/texdemo1.c
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- Remove put/get tile, just have users call put_tile_raw, etc directly.
- Remove surface_data call, just map it locally.
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This is basically half of Keith's draw/flush patch.
The stage->point/line/tri() functions are now self-validating, the validator
functions are installed by the flush() function.
There were excessive calls to validate_pipeline(), however. This was caused
by draw_prim_queue_flush() keeping a local 'first' variable that always pointed
to the validate functions. Replaced 'first' with 'draw->pipeline.first'.
Performance in gears is up just slightly with this patch.
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Provide an actual definition of the pipe_buffer struct, containing
the parameters used to create the buffer, and its refcount.
Shift refcounting buffers out of the winsys interface, similar to
surfaces & textures.
Rework pipebuffer/ to reflect the fact these changes, and also Michel's
reworking of the buffer interface.
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The properties of a buffer represented by struct pipe_buffer_handle are now
basically constant over its lifetime. The state tracker gets to deal with any
more complex buffer semantics it may need to provide.
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it produces wrong results because it hasn't been adjusted to some
new changes and it will just be in the way while changing llvm
code to a different vector layout
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as-is in vbuf code
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now.
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progs/redbook/stencil.c
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fs inputs
Some follow-on simplification in prim setup is possible...
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Now based on the draw_vbuf code, instead being a custom one-off.
Disabled by default, enable with SP_VBUF env var.
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Remove all dependencies on vertex_info, except for draw_vbuf.
Drawing stages now strictly operate on post-transformed vertices and don't
know anything about hw vertices.
Use vertex program output info for two-side/flat/etc stages.
Temporarily disable vbuf module in softpipe driver.
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post-xform vertex attribs to hw vertex attribs
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Some of the copies were buggy.
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These are changes that are in our internal branch, but somehow were skipped
so far. It was done using visual comparison of the branches --
it is likely that changes are being carried on the wrong way
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Note that fogcoord and front-facing attribs are in the same register, in the
X and Y channels, respectively.
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pipe_get/put_tile_rgba() now use pipe->get/put_tile internally.
Also simplify the <format>_get/put_tile_rgba() helper functions and clean up
some inconsitencies in them.
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It's now the responsibility of surface users to keep track of their mappings.
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