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* softpipe: separate out 2d and cube img filter functionsKeith Whitwell2009-08-241-4/+88
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* softpipe: make the various get_texel routines more similarKeith Whitwell2009-08-241-92/+176
| | | | | Remove arguments, return const float * by default. Add specialized 3d versions and remove 3d texture support from the others.
* softpipe: lift tex_address construction up to img_filterKeith Whitwell2009-08-231-25/+35
| | | | For fastpaths at least, can avoid recalculating this sometimes.
* softpipe: remove old prim_setup draw stageKeith Whitwell2009-08-2310-386/+59
| | | | | Everything now goes through the draw_vbuf handler, the same as regular drivers.
* softpipe: add missing headerKeith Whitwell2009-08-231-0/+1
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* Merge branch 'tex-tilecache' into softpipe-optKeith Whitwell2009-08-2313-228/+464
|\ | | | | | | | | | | | | | | | | Conflicts: src/gallium/drivers/softpipe/sp_state_derived.c src/gallium/drivers/softpipe/sp_state_sampler.c src/gallium/drivers/softpipe/sp_tex_sample.c src/gallium/drivers/softpipe/sp_tex_sample.h src/gallium/drivers/softpipe/sp_tile_cache.c
| * softpipe: fix typo in clear_tileKeith Whitwell2009-08-181-1/+1
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| * softpipe: split texture and surface tile cachesKeith Whitwell2009-08-1813-224/+460
| | | | | | | | | | These do similar jobs but with largely disjoint code. Will want to evolve them separately going forward.
* | softpipe: remove duplicate #include, move anotherBrian Paul2009-08-211-2/+1
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* | softpipe: remove tex sample dependencies on softpipeBrian Paul2009-08-211-6/+3
| | | | | | | | | | The texture sampling code doesn't really have any dependencies on the rest of softpipe, just the tile cache.
* | softpipe: minor code refactoring to remove softpipe/tile cache dependenciesBrian Paul2009-08-213-16/+24
| | | | | | | | The tile cache code now has no hard dependencies on softpipe.
* | softpipe: remove unused #includes, white-space clean-upBrian Paul2009-08-211-5/+2
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* | softpipe: remove unneeded const qualifierBrian Paul2009-08-211-1/+1
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* | softpipe: per-unit sampler varientsBrian Paul2009-08-213-5/+25
| | | | | | | | | | | | | | Can't share sampler varients across multiple tex units because the texture pointer is in the sampler varient. That prevents different textures per unit. Fixes progs/demos/multiarb, progs/glsl/samplers, etc.
* | softpipe: add missing PIPE_TEXTURE_CUBE case in get_lambda_func()Brian Paul2009-08-211-0/+1
| | | | | | | | Fixes progs/demos/cubemap
* | softpipe: add missing sp_sampler_varient_destroyKeith Whitwell2009-08-211-0/+8
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* | softpipe: remove redundant comparison, make test easier to understandBrian Paul2009-08-211-2/+1
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* | softpipe: fix min/mag filter typoBrian Paul2009-08-211-1/+1
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* | softpipe: fix s/t/p typosBrian Paul2009-08-211-3/+3
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* | softpipe: rework texture sampling codeKeith Whitwell2009-08-2111-1100/+1350
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Split into component pieces, stitch together at runtime using function pointers. Make it possible to utilize the existing fastpaths as image-level filters for generic mip-filtering routines. Remove special case for rectangle filtering, as it can now be handled by the 2d path. As most of the mesa demo texturing was already covered by fast paths, its harder to find examples of speedups, but tunnel gets a boost as mip-nearest filtering is now able to access the img_2d_linear_wrap_POT functions for sampling within a mipmap level.
* | util: add util_is_power_of_two functionKeith Whitwell2009-08-211-0/+8
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* | softpipe: allow the existing sampler routines to be hooked up directlyKeith Whitwell2009-08-204-129/+94
| | | | | | | | | | | | | | | | Let eg. sp_get_samples_rect be hooked directly in as the tgsi sampler routine. Add a field to determine whether this is a vertex or fragment sampling call, and massage parameters to match the tgsi call.
* | softpipe: fix xpot calculation typo in sp_get_samples_2d_nearest_clamp_POTKeith Whitwell2009-08-201-2/+2
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* | softpipe: slightly optimized tiling calculationKeith Whitwell2009-08-201-3/+2
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* | softpipe: fix glitch in texel lookups on fastpathsKeith Whitwell2009-08-201-64/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes two issues - firstly for mipmap levels with one or more dimensions smaller than tilesize, the code was sampling off the edge of the texture (but still within the tile). Secondly, in the linear_mipmap_linear case, both the default code and new fastpath were incorrect. This change fixes the fastpath and adds a comment to the default path, which still needs to be fixed. Basically the issue is that the coordinates in the smaller texture level are/were being computed by just dividing thecoordinates from the larger texture level by two, as in: x0[j] /= 2; y0[j] /= 2; x1[j] /= 2; y1[j] /= 2; The issues with this are signficant. Initially x1 is most often equal to x0+1, but after this, it will likely be equal to x0, so we will not actually be performing the linear blend within the smaller mipmap. The fastpath code avoided this (recalculated x1), but was still using the weighting factors from the larger mipmap level (xw, yw), which were incorrect. Change the fastpath code to do two full, independent linear samples of the two mipmap levels before blending. The default code needs to do the same thing.
* | softpipe: optimized path for simple mipmap samplingKeith Whitwell2009-08-201-24/+71
| | | | | | | | | | | | | | | | | | linear-mip-linear-repeat-POT sampling faspath, provides a very nice speedup to apps that do this common type of texturing. Test case: demos/terrain, turn fog off, turn texturing on. Without patch: 12 fps With patch: 20 fps.
* | softpipe: move flatshade-first check out of loopKeith Whitwell2009-08-181-30/+50
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* Revert "softpipe: rearrange blend fastpaths"Keith Whitwell2009-08-111-27/+55
| | | | | | | This reverts commit 1295cf423e21dad04a947960782ffa8db2739709. The original formulation was easier to understand & work with. Will revisit this later.
* softpipe: reduce textual differences between exec and sse shader pathsKeith Whitwell2009-08-112-32/+69
| | | | | Unshare one function (setup_pos_vector) as we want to push this code into the generated shader in the SSE case.
* softpipe: remove gallivm fragment shadersKeith Whitwell2009-08-113-211/+2
| | | | | However we do llvm integration, it will be different & more comprehensive than this.
* softpipe: setup quad outputs from with fs->runKeith Whitwell2009-07-303-36/+69
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* softpipe: rearrange blend fastpathsKeith Whitwell2009-07-301-55/+27
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* softpipe: add depth-lequal z16 pathKeith Whitwell2009-07-301-7/+100
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* softpipe: remove unused variable in shade_quadKeith Whitwell2009-07-301-3/+0
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* softpipe: fix off-by-one in nearest texcoord routinesKeith Whitwell2009-07-271-4/+4
| | | | Stray '- 0.5' copied from linear versions.
* softpipe: example fast paths for simple samplersKeith Whitwell2009-07-273-5/+333
| | | | | All these fastpaths are examples of the types of things we'd code-generate in a more sophisticated version of softpipe.
* softpipe: fastpath for interpolated z16 less depthtestingKeith Whitwell2009-07-271-4/+139
| | | | | | | Because this is interpolated (ie. early) depth, we can build in an assumption about the quads emitted by triangle setup, ie that they are actually linear spans. Interpolate z over those spans in z16 format to save on math & conversion.
* softpipe: cope with nr_cbufs == 0Keith Whitwell2009-07-271-3/+13
| | | | Disable blend code when no color buffer
* softpipe: move all depth/stencil/alpha pixel processing into one stageKeith Whitwell2009-07-2713-957/+580
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* softpipe: fix error in scissor state dependenciesKeith Whitwell2009-07-251-2/+10
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* softpipe: cleanup framebuffer state routine slightlyKeith Whitwell2009-07-251-40/+10
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* softpipe: move all color-combine code into sp_quad_blend.cKeith Whitwell2009-07-2410-972/+727
| | | | | Consolidate the read-modify-write color combining code from the blend, colormask and output stages.
* softpipe: fix typoKeith Whitwell2009-07-241-1/+1
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* softpipe: example fastpaths in blendingKeith Whitwell2009-07-241-11/+121
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* softpipe: actually pass >1 quad from triangle routineKeith Whitwell2009-07-248-139/+135
| | | | First attempt
* softpipe: expand quad pipeline to process >1 quad at a timeKeith Whitwell2009-07-2414-633/+745
| | | | | | This is part one -- we still only pass a single quad down, but the code can now cope with more. The quads must all be from the same tile.
* softpipe: rip out old mulithread supportKeith Whitwell2009-07-244-305/+57
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* softpipe: avoid flushing depth buffer cache on swapbuffersKeith Whitwell2009-07-232-9/+16
| | | | | | | | | There's no need to push out depth buffer contents on swapbuffers. Note that this change doesn't throw away depth buffer changes, it simply holds them in the cache over calls to swapbuffers. The hope is that swapbuffers will be followed by a clear() which means in that case we won't have to write the changes out.
* softpipe: also shortcircuit non-texture tile lookupsKeith Whitwell2009-07-232-18/+31
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* softpipe: shortcircuit repeated lookups of the same tileKeith Whitwell2009-07-224-97/+168
| | | | | | | | | The sp_tile_cache is often called repeatedly to look up the same tile. Add a cache (to the cache) of the single tile most recently retreived and make a quick inline check to see if this matches the subsequent request. Add a tile_address bitfield struct to make this check easier.
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