diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index bfee811e13d..63d40611d25 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -147,6 +147,8 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) int constant = 0; int vert_result_reoder[VERT_RESULT_MAX]; int bfc = 0; + struct brw_vertex_program *vp = c->vp; + const struct gl_program_parameter_list *params = vp->program.Base.Parameters; /* Determine whether to use a real constant buffer or use a block * of GRF registers for constants. The later is faster but only @@ -249,6 +251,18 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) if (constant == max_constant) c->vp->use_const_buffer = GL_TRUE; + /* Set up the references to the pull parameters if present. This backend + * uses a 1:1 mapping from Mesa IR's index to location in the pull constant + * buffer, while the new VS backend allocates values to the pull buffer on + * demand. + */ + if (c->vp->use_const_buffer) { + for (i = 0; i < params->NumParameters * 4; i++) { + c->prog_data.pull_param[i] = ¶ms->ParameterValues[i / 4][i % 4].f; + } + c->prog_data.nr_pull_params = i; + } + for (i = 0; i < constant; i++) { c->regs[PROGRAM_STATE_VAR][i] = stride(brw_vec4_grf(reg + i / 2, (i % 2) * 4), |