diff options
| author | Luca Barbieri <[email protected]> | 2010-09-06 02:31:20 +0200 |
|---|---|---|
| committer | Luca Barbieri <[email protected]> | 2010-09-14 06:08:03 +0200 |
| commit | b37459388b22fb6a831d45bc08e51cdb7b9c610c (patch) | |
| tree | fcc5feba56d88929958ecbbf4db5a15f844ca1f0 | |
| parent | a508d2dddcc67d0f92cc36b9ed6f36a9bbfc579d (diff) | |
mesa/st: set compiler options based on Gallium shader caps
This turns on if conversion and unlimited loop unrolling if control
flow is not supported.
NOTE: this will change the behavior of r300g and any other driver
that doesn't advertise control flow
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index d637e6f43a0..3f91eb78d81 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -162,7 +162,16 @@ void st_init_limits(struct st_context *st) pc->MaxNativeAddressRegs = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_ADDRS); pc->MaxNativeParameters = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONSTS); + /* TODO: make these more fine-grained if anyone needs it */ + options->EmitNoIfs = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoFunctions = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoLoops = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoMainReturn = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoCont = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED); + + if(options->EmitNoLoops) + options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536); } /* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs |