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| author | Eric Anholt <eric@anholt.net> | 2011-05-02 09:45:40 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2011-08-16 13:04:41 -0700 |
| commit | af3c9803d818fd33139f1247a387d64b967b8992 (patch) | |
| tree | 45f6e1b4be0a9296a14a887cb4de3af0ff636e6c /src/mesa/drivers/dri/i965/brw_vs.c | |
| parent | 65b5cbbcf783f6c668ab5b31a0734680dd396794 (diff) | |
| download | external_mesa3d-af3c9803d818fd33139f1247a387d64b967b8992.zip external_mesa3d-af3c9803d818fd33139f1247a387d64b967b8992.tar.gz external_mesa3d-af3c9803d818fd33139f1247a387d64b967b8992.tar.bz2 | |
i965: Start adding the VS visitor and codegen.
The low-level IR is a mashup of brw_fs.cpp and ir_to_mesa.cpp. It's
currently controlled by the INTEL_NEW_VS=1 environment variable, and
only tested for the trivial "gl_Position = gl_Vertex;" shader so far.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c index a9ad531..bd0677d 100644 --- a/src/mesa/drivers/dri/i965/brw_vs.c +++ b/src/mesa/drivers/dri/i965/brw_vs.c @@ -30,6 +30,7 @@ */ +#include "main/compiler.h" #include "brw_context.h" #include "brw_vs.h" #include "brw_util.h" @@ -50,6 +51,7 @@ static void do_vs_prog( struct brw_context *brw, void *mem_ctx; int aux_size; int i; + static int new_vs = -1; memset(&c, 0, sizeof(c)); memcpy(&c.key, key, sizeof(*key)); @@ -85,7 +87,15 @@ static void do_vs_prog( struct brw_context *brw, /* Emit GEN4 code. */ - brw_vs_emit(&c); + if (new_vs == -1) + new_vs = getenv("INTEL_NEW_VS") != NULL; + + if (new_vs) { + if (!brw_vs_emit(&c)) + brw_old_vs_emit(&c); + } else { + brw_old_vs_emit(&c); + } /* get the program */ |