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The chars-per-pixel concept falls apart with compressed and yuv images,
where more than one pixel are coded in a single data block.
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This allows us to remove most of the direct references to winsys in the state tracker.
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Remove util_gen_mipmap_filter() when no longer used.
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(blit, gen-mipmaps, quad-clear, etc)
Also, additional cso_set_*() functions for viewport, framebuffer, blend color,
etc. state.
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Plus, comments, clean-ups.
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rendering each level
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Use the code in cso_context.c rather than st_cache.c.
Basically, binding of state objects now goes through the CSO module.
But Vertex/fragment shaders go through pipe->bind_fs/vs_state() since they're
not cached by the CSO module at this time.
Also, update softpipe driver to handle NULL state objects in various places.
This happens during context destruction. May need to update other drivers...
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Bind all the samplers/textures at once rather than piecemeal.
This is easier for drivers to understand.
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This is a better fix for the previous check-in.
Fixes texadd.c conform test, and probably other bugs.
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These functions are now per-screen, not per-context.
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all valid, even if not relevant
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Calling glTexSubImage() or glTexImage() to replace texture data didn't
reliably cause pipe->set_sampler_texture() to get called so drivers didn't
always get notified of new texture data.
The st_texture_object->pt pointer doesn't always indicate changed data so
added a dirtyData field.
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Update the Makefiles and includes for the new paths.
Note that there hasn't been no separation of the Makefiles yet, and make is
jumping all over the place. That will be taken care shortly. But for now, make
should work. It was tested with linux and linux-dri. Linux-cell and linux-llvm
might require some minor tweaks.
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This fixes potential problems with multi-context programs.
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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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This is used when we can't render to the surface type of the texture (such
as luminance/alpha).
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Use hardware rendering to compute/render mipmap levels.
The fallback path (which will be used for non-renderable texture formats)
isn't working yet.
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