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* Merge branch 'mesa_7_5_branch' into mesa_7_6_branchBrian Paul2009-09-241-3/+8
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| * swrast: add lod bias when texture samplingBrian Paul2009-09-231-2/+7
| | | | | | | | | | | | Mostly fixes progs/demos/lodbias when MESA_TEX_PROG=1. But the LOD still seems off by -1 or so. May be an issue with the params passed to _swrast_compute_lambda()
| * swrast: fix typo in partial derivatives parameter passingBrian Paul2009-09-231-1/+1
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* | Merge branch 'mesa_7_5_branch' into mesa_7_6_branchBrian Paul2009-09-211-2/+2
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| * swrast: fix cube face selectionBrian Paul2009-09-211-2/+2
| | | | | | | | | | | | | | If arx and ary are equal, we still want to choose from one of them, and not arz. This is the same as Michal's softpipe fix.
| * swrast: fix selection/feedback regressionBrian Paul2009-08-311-1/+1
| | | | | | | | | | This fixes a conform selection/feedback regression introduced by commit 8f4d66c5f893b49eb3973aa3b31a856314c045c7
| * swrast: can't use deferred texture/shading if using KIL instructionBrian Paul2009-08-311-0/+3
| | | | | | | | | | | | If the fragment program uses KIL, we have to execute it before z/stencil testing. Otherwise, deferred texture/shading lets us skip shading for pixels that fail z/stencil testing.
* | swrast: wrap comment to 80 columns, remove dead codeBrian Paul2009-09-031-57/+6
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* | mesa: consolidate PBO map/unmap helpersBrian Paul2009-09-033-6/+6
| | | | | | | | | | | | | | Instead of _mesa_map_readpix_pbo() use _mesa_map_pbo_source(). Instead of _mesa_map_drawpix_pbo() and _mesa_map_bitmap_pbo() use _mesa_map_pbo_dest().
* | swrast: fix selection/feedback regressionBrian Paul2009-08-311-1/+1
| | | | | | | | | | This fixes a conform selection/feedback regression introduced by commit 8f4d66c5f893b49eb3973aa3b31a856314c045c7
* | swrast: can't use deferred texture/shading if using KIL instructionBrian Paul2009-08-311-0/+3
| | | | | | | | | | | | If the fragment program uses KIL, we have to execute it before z/stencil testing. Otherwise, deferred texture/shading lets us skip shading for pixels that fail z/stencil testing.
* | swrast: minor code consolidationBrian Paul2009-08-301-7/+2
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* | Merge branch 'mesa_7_5_branch'Brian Paul2009-08-272-7/+9
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| * swrast: fix incorrect tri culling in selection/feedback mode.Brian Paul2009-08-272-7/+9
| | | | | | | | See bug 16866.
* | Merge branch 'new-frag-attribs'Brian Paul2009-08-122-18/+15
|\ \ | | | | | | | | | | | | | | | | | | This branch introduces new FRAG_ATTRIB_FACE and FRAG_ATTRIB_PNTC fragment program inputs for GLSL gl_FrontFacing and gl_PointCoord. Before, these attributes were packed with the FOG attribute. That made things complicated elsewhere.
| * | swrast: fix incorrect texcoord attribute testBrian Paul2009-07-311-3/+3
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| * | mesa: add new FRAG_ATTRIB_FACE and FRAG_ATTRIB_PNTC fragment program inputsBrian Paul2009-07-292-17/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, the FOGC attribute contained the fragment fog coord, front/back- face flag and the gl_PointCoord.xy values. Now each of those things are separate fragment program attributes. This simplifies quite a few things in Mesa and gallium. Need to test i965 driver and fix up point coord handling in the gallium/draw module...
* | | swrast: replace GLenum, GLint with GLbitfield for buffer varsBrian Paul2009-08-081-3/+3
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* | | Merge branch 'mesa_7_5_branch'Brian Paul2009-08-051-180/+3
|\ \ \ | |/ / |/| / | |/ | | | | Conflicts: src/mesa/main/state.c
| * mesa: make _mesa_clip_blit() a shared functionBrian Paul2009-08-051-180/+3
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* | Merge branch 'mesa_7_5_branch'Brian Paul2009-06-161-1/+1
|\| | | | | | | | | | | Conflicts: src/mesa/main/api_validate.c
| * mesa: fix REMAINDER() macroBrian Paul2009-06-161-1/+1
| | | | | | | | | | The results were incorrect for some negative values of A. See bug 21872.
* | Merge branch 'mesa_7_5_branch'José Fonseca2009-06-111-0/+1
|\| | | | | | | | | | | Conflicts: src/mesa/state_tracker/st_cb_fbo.c src/mesa/state_tracker/st_framebuffer.c
| * swrast: fix state validation bug for changing program constantsBrian Paul2009-06-101-0/+1
| | | | | | | | | | | | | | Add _NEW_PROGRAM_CONSTANTS to _SWRAST_NEW_DERIVED. This makes sure that we update the fragment shader's constants when state vars (such as point size) changes. Fixes the progs/glsl/points.c demo.
* | swrast: always do span clipping in _swrast_write_rgba_span()Brian Paul2009-06-031-14/+4
| | | | | | | | | | | | | | | | It's possible for mis-behaving vertex programs to produce vertex data with very large/NaN values. This doesn't get handled reliably by the clipper code so we may try to rasterize triangles that extend beyond the viewport/window. Always clip spans to avoid invalid memory accesses later.
* | swrast: update/restore the opt_sample_rgb/rgba_2d() functionsBrian Paul2009-05-121-15/+9
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* | mesa: move the NullBufferObj from GLcontext to gl_shared_stateBrian Paul2009-05-071-5/+5
|/ | | | | Since shared array objects may point to the null/default buffer object, the null/default buffer object should be part of the shared state.
* swrast: fix span clipping bugBrian Paul2009-05-072-22/+71
| | | | | If a horizontal span of pixels was located at x < 0 we could sometimes read/write outside of renderbuffer bounds.
* swrast: add missing break in clamp_rect_coord_linear()Brian Paul2009-04-281-0/+1
| | | | See bug 21461.
* swrast: simplify state update logic for fragment shader const buffersBrian Paul2009-04-211-25/+2
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* swrast: fix pointer arithmetic error in get_texel_array()Brian Paul2009-04-201-2/+1
| | | | This came from commit 1b2ab023673261b4b942e1126c0b599d02fbd4a0
* swrast: remove some unneeded CHAN_TYPE!=GL_FLOAT codeBrian Paul2009-04-091-7/+0
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* swrast: fix point rendering function selectionBrian Paul2009-04-071-1/+4
| | | | | Need to clamp default point size to min/max range before checking if it's one. Fixes glean pointAtten test.
* swrast: restore !shader check around add_specular()Brian Paul2009-04-071-4/+6
| | | | Fixes a regression from commit 76ac75af8e5481b498981c133836efa2101be2dc.
* swrast: more texcombine clean-upsBrian Paul2009-04-061-21/+10
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* swrast: asst. clean-ups in texcombine codeBrian Paul2009-04-061-26/+19
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* swrast: fix secondary color add for glBitmapBrian Paul2009-04-063-11/+30
| | | | | Also, clean up the logic involved in choosing per-vertex vs. per-fragment primary+secondary color addition.
* swrast: fix incorrect arithmetic for GL_ADD_SIGNED/GL_COMBINE4_NV modeBrian Paul2009-04-061-6/+6
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* swrast: fix texture border color interpretationBrian Paul2009-04-061-30/+68
| | | | | | | The texture border color must be interpreted according to the texture's base format. For example, for a GL_ALPHA texture, sampling the border color should return (0,0,0,borderAlpha). This wasn't an issue here until I removed the legacy texenv code (we always use the combiner path now).
* mesa: remove the noClamp parameter to _mesa_pack_rgba_span_float()Brian Paul2009-04-031-2/+2
| | | | | It was only set to GL_TRUE in one place where it isn't really needed (glGetTexImage(sRGB format)).
* swrast: remove unused integer lerp functionsBrian Paul2009-04-011-43/+1
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* swrast: remove old texture_apply() code; always use texture combine codeBrian Paul2009-04-013-403/+22
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* swrast: fix bad optimization checkBrian Paul2009-04-011-1/+2
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* swrast: remove unused parameterBrian Paul2009-04-011-6/+1
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* swrast: minor improvements, clean-ups in texcombine codeBrian Paul2009-04-011-9/+8
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* swrast: use float4_array typedef to simplify the code a bitBrian Paul2009-04-011-54/+71
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* mesa: texture combine clean-upsBrian Paul2009-04-012-74/+68
| | | | | | Use MAX_COMBINER_TERMS instead of 4. Rename some vars. Update comments.
* swrast: refactor depth/shadow sampling codeBrian Paul2009-04-011-262/+271
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* swrast: general clean-up of texture combine codeBrian Paul2009-04-011-246/+161
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* swrast: do texture sampling/combining in floating pointBrian Paul2009-04-016-764/+511
| | | | | The code's cleaner and a step toward supporting float-valued texture sampling. Some optimizations for common cases can be added and re-enabled...
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