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authorYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
committerYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
commita8ea1dacc63ac567498049e5756c247b9fec6cd9 (patch)
tree4031e2e2b6166bd926b43fa4bbb3aab773a30ee5 /src/gallium/drivers/llvmpipe/README
parent404fb63b4649f58fce443615e49337d42b8ddece (diff)
parent35d960cc744c374ccaad48c3d80559b59c74e28a (diff)
Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into pipe-video
Conflicts: src/gallium/auxiliary/Makefile src/gallium/auxiliary/SConscript src/gallium/auxiliary/util/u_format.csv src/gallium/auxiliary/vl/vl_compositor.c src/gallium/auxiliary/vl/vl_compositor.h src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h src/gallium/drivers/identity/id_objects.c src/gallium/drivers/identity/id_objects.h src/gallium/drivers/identity/id_screen.c src/gallium/drivers/nv40/Makefile src/gallium/drivers/nv40/nv40_screen.c src/gallium/drivers/softpipe/sp_texture.c src/gallium/drivers/softpipe/sp_texture.h src/gallium/drivers/softpipe/sp_video_context.c src/gallium/drivers/softpipe/sp_video_context.h src/gallium/include/pipe/p_format.h src/gallium/include/pipe/p_screen.h src/gallium/include/pipe/p_video_context.h src/gallium/include/pipe/p_video_state.h src/gallium/include/state_tracker/dri1_api.h src/gallium/include/state_tracker/drm_api.h src/gallium/state_trackers/dri/common/dri_context.c src/gallium/state_trackers/xorg/xvmc/attributes.c src/gallium/state_trackers/xorg/xvmc/block.c src/gallium/state_trackers/xorg/xvmc/context.c src/gallium/state_trackers/xorg/xvmc/subpicture.c src/gallium/state_trackers/xorg/xvmc/surface.c src/gallium/state_trackers/xorg/xvmc/tests/.gitignore src/gallium/state_trackers/xorg/xvmc/tests/Makefile src/gallium/state_trackers/xorg/xvmc/xvmc_private.h src/gallium/winsys/drm/radeon/core/radeon_drm.c src/gallium/winsys/g3dvl/vl_winsys.h src/gallium/winsys/g3dvl/xlib/xsp_winsys.c src/gallium/winsys/sw/Makefile
Diffstat (limited to 'src/gallium/drivers/llvmpipe/README')
-rw-r--r--src/gallium/drivers/llvmpipe/README19
1 files changed, 13 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README
index bf4c9a5727c..3c3fd386b52 100644
--- a/src/gallium/drivers/llvmpipe/README
+++ b/src/gallium/drivers/llvmpipe/README
@@ -12,7 +12,11 @@ Done so far is:
- depth testing
- - texture sampling (not all state/formats are supported)
+ - texture sampling
+ - 1D/2D/3D/cube maps supported
+ - all texture wrap modes supported
+ - all texture filtering modes supported
+ - perhaps not all texture formats yet supported
- fragment shader TGSI translation
- same level of support as the TGSI SSE2 exec machine, with the exception
@@ -37,8 +41,6 @@ To do (probably by this order):
- code generate stipple and stencil testing
- - translate the remaining bits of texture sampling state
-
- translate TGSI control flow instructions, and all other remaining opcodes
- integrate with the draw module for VS code generation
@@ -57,7 +59,7 @@ Requirements
See /proc/cpuinfo to know what your CPU supports.
- - LLVM 2.6.
+ - LLVM 2.6 (or later)
For Linux, on a recent Debian based distribution do:
@@ -67,6 +69,9 @@ Requirements
http://people.freedesktop.org/~jrfonseca/llvm/ and set the LLVM environment
variable to the extracted path.
+ The version of LLVM from SVN ("2.7svn") from mid-March 2010 seems pretty
+ stable and has some features not in version 2.6.
+
- scons (optional)
- udis86, http://udis86.sourceforge.net/ (optional):
@@ -140,11 +145,13 @@ Development Notes
then skim through the lp_bld_* functions called in there, and the comments
at the top of the lp_bld_*.c functions.
-- All lp_bld_*.[ch] are isolated from the rest of the driver, and could/may be
- put in a stand-alone Gallium state -> LLVM IR translation module.
+- The driver-independent parts of the LLVM / Gallium code are found in
+ src/gallium/auxiliary/gallivm/. The filenames and function prefixes
+ need to be renamed from "lp_bld_" to something else though.
- We use LLVM-C bindings for now. They are not documented, but follow the C++
interfaces very closely, and appear to be complete enough for code
generation. See
http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
for a stand-alone example.
+ See the llvm-c/Core.h file for reference.