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Reported by Karl Schultz.
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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...
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Need to clamp default point size to min/max range before checking if it's one.
Fixes glean pointAtten test.
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Fixes glean pointSprite test w/ software rendering
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This is another step toward removing a whole bunch of -I flags from
the cc commands. Still need to address driver code...
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multisample enable is enabled by default, however gl mandates multisample
rendering rules only apply if there's also a multisampled buffer.
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Also, apply user-defined clamp limits to point size even when not using
attentuation or program-computed size.
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Contains the normalized fragment position within a point sprite.
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The clamping for these values depends on whether we're drawing AA or non-AA
points, lines. Defer clamping until drawing time. Drivers could compute and
keep clamped AA and clamped non-AA values if desired.
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Instead of separate fog/specular/texcoord/varying code, just treat all of
them as generic attributes. Simplifies the point/line/triangle functions.
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subset of GL_NV_point_sprite (which was already supported).
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Fixed some vertex array / vertex program glitches with glDrawElements.
Fixed some fragment program runtime bugs.
Non-trivial Cg programs are running now.
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Moved type conversion and interpolation macros into macros.h
Updated all the files that used to include mmath.h
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Replace struct gl_texure_object's Dimension w/ Target field.
Added _EnabledUnits to struct gl_texture_attrib - the _ReallyEnabled
field is obsolete, but still present for now. This effectively
removes the 8-texture units limit, 32 units now possible, but unlikely!
New TEXTURE_1D/2D/3D/CUBE/RECT_BIT tokens for unit->_ReallyEnabled field.
Updated device drivers to use ctx->Texture._EnabledUnits.
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ditch the pb (pixel buffer) code.
Converted point drawing, bitmaps and aa lines to use new span functions.
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texturing is not enabled, and without requiring the two colors be
added externally.
As a part of this, collapsed the decomposition of quads into triangles
inside swrast to be hardwired into _swrast_Quad; removed s_quads.[ch].
Removed checks on texture state from t_vb_light.c, which was previously
required by swrast.
Moved the t_dd_ templates to a new directory.
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Replace "RGBAMode" with "rgbMode", etc.
Other minor clean-ups.
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handles CI/RGB, texture, antialiasing, attenuation, etc.
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Still need to resolve clipping issues, finalize the spec.
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Store computed point size in the SWvertex struct.
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Completely removed the dirty texture object list. Set texObj->Complete
to GL_FALSE to indicate dirty.
Made point/line/triangle/quad SWvertex parameters const.
Minor code clean-ups.
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math: Provides basic matrix and vector functionality that
might be useful to multiple software t&l
implementations, and is used by core mesa to
manage the Model, Project, etc matrices.
tnl: The real transform & lighting code from core mesa,
including everything from glVertex3f through vertex
buffer handling, transformation, clipping, lighting
and handoff to a driver for rasterization.
The interfaces of these can be further tightened up, but the basic
splitting up of state and code move is done.
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Replaced ctx->Point.UserSize with ctx->Point.Size
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into a new directory. Specifically the handling of changes to lighting
lighting space (light in model vs. light in eye) have been revamped.
Moved several derived values used only by swrast into that directory.
Removed direct calls to swrast_flush() from vbrender.c -- pushed into
ctx->Driver.RenderFinish.
Optimized flat-shading case in swrast_setup.
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with tighter interfaces with the rest of the world.
Proper documentation to come.
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