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* 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...
* swrast: fix glDrawBuffer(GL_FRONT_AND_BACK)Brian Paul2009-04-011-2/+8
| | | | We weren't putting the right colors into the back buffer in this mode.
* mesa: add new signed rgba texture formatRoland Scheidegger2009-03-281-2/+2
| | | | | This is a (partial) backport of the signed texture format support in OGL 3.1. Since it wasn't promoted from an existing extension roll our own.
* swrast: use better _swrast_compute_lambda() functionBrian Paul2009-03-171-6/+6
| | | | | | | | | | The MAX-based function can produce values that are non-monotonic for a span which causes glitches in texture filtering. The sqrt-based one avoids that. This is perhaps slightly slower than before, but the difference probably isn't noticable given we're doing software mipmap filtering. Issue reported by Nir Radian <[email protected]>
* mesa: add support for ATI_envmap_bumpmapRoland Scheidegger2009-03-121-1/+94
| | | | | | | | add new entrypoints, new texture format, etc translate in texenvprogram.c for drivers using the mesa-generated tex env fragment program also handled in swrast, but not tested (cannot work due to negative texel results not handled correctly)
* mesa: remove some last remnants of GL_MESA_program_debugBrian Paul2009-03-112-8/+0
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* mesa: remove gl_texture_object::_Function field and associated codeBrian Paul2009-03-111-1/+3
| | | | It was only used in one place in swrast.
* swrast: remove old commentBrian Paul2009-03-071-2/+0
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* swrast: rename s_buffers.c -> s_clear.cBrian Paul2009-03-071-0/+0
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* mesa: remove GL_MESA_program_debug extensionBrian Paul2009-03-071-6/+0
| | | | This was never fully fleshed out and hasn't been used.
* mesa: use Stencil._Enabled field instead of Stencil.EnabledBrian Paul2009-03-023-6/+6
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* swrast: use _EnabledCoordUnits for fixed-function texturingBrian Paul2009-03-022-8/+8
| | | | | | | Using _EnabledUnits was wrong because it included vertex texture units. This change plus the prev commit fixes occasional failures of glean/glsl1 vertex texture test failure.
* mesa: remove unused AUX buffersBrian Paul2009-03-021-4/+1
| | | | | | Remove all references to aux buffers 1..3. Keep AUX0 around for now just in case, but it'll probably go too someday. I don't know of any OpenGL drivers since the IRIX days that support aux color buffers.
* mesa: rename, reorder FRAG_RESULT_x tokensBrian Paul2009-02-282-7/+7
| | | | | | | s/FRAG_RESULT_DEPR/FRAG_RESULT_DEPTH/ s/FRAG_RESULT_COLR/FRAG_RESULT/COLOR/ Remove FRAG_RESULT_COLH (NV half-precision) output since we never used it. Next, we might merge the COLOR and DATA outputs (COLOR0, COLOR1, etc).
* mesa: move GLfixed type and related macros to swrast moduleBrian Paul2009-02-282-0/+34
| | | | Fixed point is only used in swrast and sw-based drivers.
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