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The ARB extension is a superset of the older SGIX extension. Any
hardware that can support the SGIX version can also support the ARB
version. In Mesa, any driver that supports one also supports the
other. This unification just simplifies some bits of code.
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(cherry picked from commit 42eac65da45fb58bffdf94ab8f9860d8cee5b256)
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Also, check the FEATURE flags in many places.
(cherry picked from commit 40d1a40f294f1ed2dacfad6f5498322fc08cc2d1)
Conflicts:
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/texstore.c
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cherry-picked from gallium-0.1
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This allows render to depth texture (we don't support floating pt. Z buffers).
Rename MESA_FORMAT_DEPTH_COMPONENT16/32 as MESA_FORMAT_Z16/32.
Software fallback for glCopyTexImage now uses integer temporary image instead
of float, eliminates a lot of float/int conversions.
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glReadPixels done, glDrawPixels mostly done.
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adaptor functions.
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Main driver impacts:
- new code for creating the Mesa GLframebuffer
- new span/pixel read/write code
Some drivers not yet updated/tested.
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1015696)
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More code re-use this time.
Most formats now tested/debugged with new packedpixels.c test.
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Moved CI->RGBA palette lookup into texel fetch function.
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Moved all code related to specific texture compression modes into
new texcompress_s3tc.c and texcompress_fxt1.c files (but not implemented).
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external packers)
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The gl_texture_format struct now has a StoreTexImageFunc that's called
by glTex[Sub]Image[123]D to convert the user's texture data into the
specific texture format layout. Now it's much easier to add new texture
formats (like the 16/32-bit floating point formats).
The texutil.[ch] and texutil_tmp.h files are obsolete.
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New "FetchTexelFuncF()" function returns texels in floating point format.
Only used for depth component images at this time.
Changed original FetchTexelFunc to return GLchan instead of GLvoid, removing
need for a bunch of ugly casts.
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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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1. Remove all.h and PC_HEADER junk.
2. Rolled mem.c and mem.h into imports.c and imports.h
3. Include imports.h instead of mem.h
Restore _mesa_create/initialize_context() to be like they were in 4.0.4
New wrappers for a few std C functions: _mesa_atoi(), _mesa_strstr(), etc.
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indicates the read AND draw color buffer for all software rasterization.
Lots of related clean-ups. See RELNOTES-4.1 for details.
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Instead of mstdio.[ch], use imports.[ch] to isolate these functions.
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Added _mesa_printf()
Updated SetDrawBuffer() function in all drivers (ala 4.0.3)
Import 4.0.3/DRI changes.
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compression isn't really implmented. Just updated glTexImageXD()
to accept compressed internal format tokens.
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texture image in the base internal format between user->Mesa format
conversion. See comments in texstore.c
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_mesa_base_texture_format()
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1. Added ctx->Driver.ChooseTextureFormat() function. Examines user's
internalFormat, format, type params and returns a gl_texture_format.
2. _mesa_store_teximage[123]d() calls ctx->Driver.ChooseTextureFormat(),
allocates storage and transfers the image into the desired format.
3. _mesa_transfer_teximage() now takes a gl_texture_format to describe
the destination format. Any combination of input format/type and
output gl_texture_format is accepted. Uses optimized _mesa_convert_-
texsubimage[123]d() functions when possible.
3. DRI driver's TexImage[123]D functions should be a lot simpler now.
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format into texImage->TexFormat, the rest is handled by core Mesa.
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FetchTexel routines).
- Initial hooks for GL_EXT_texture_filter_anisotropic.
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