i965/vec4: Move total_scratch calculation into the visitor.

This is more consistent with how we do it in the FS backend, and reduces
a tiny bit of duplication.  It'll also allow for a bit more tidying.

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Topi Pohjolainen <[email protected]>

3 files changed, 7 insertions, 10 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
index 7f947e0eb25..9c59c8a0dfc 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_gs.c
@@ -267,10 +267,7 @@ brw_codegen_gs_prog(struct brw_context *brw,
    }
 
    /* Scratch space is used for register spilling */
-   if (c.base.last_scratch) {
-      c.prog_data.base.base.total_scratch
-         = brw_get_scratch_size(c.base.last_scratch*REG_SIZE);
-
+   if (c.prog_data.base.base.total_scratch) {
       brw_get_scratch_bo(brw, &stage_state->scratch_bo,
 			 c.prog_data.base.base.total_scratch *
                          brw->max_gs_threads);
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 60f73e2c82c..7b367ec036c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1846,6 +1846,11 @@ vec4_visitor::run(gl_clip_plane *clip_planes)
 
    opt_set_dependency_control();
 
+   if (c->last_scratch > 0) {
+      prog_data->base.total_scratch =
+         brw_get_scratch_size(c->last_scratch * REG_SIZE);
+   }
+
    /* If any state parameters were appended, then ParameterValues could have
     * been realloced, in which case the driver uniform storage set up by
     * _mesa_associate_uniform_storage() would point to freed memory.  Make
@@ -1943,8 +1948,6 @@ brw_vs_emit(struct brw_context *brw,
       }
       g.generate_code(v.cfg, 8);
       assembly = g.get_assembly(final_assembly_size);
-
-      c->base.last_scratch = v.last_scratch;
    }
 
    if (!assembly) {
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index edbcbcff818..ee3f6640938 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -195,10 +195,7 @@ brw_codegen_vs_prog(struct brw_context *brw,
    }
 
    /* Scratch space is used for register spilling */
-   if (c.base.last_scratch) {
-      prog_data.base.base.total_scratch
-         = brw_get_scratch_size(c.base.last_scratch*REG_SIZE);
-
+   if (prog_data.base.base.total_scratch) {
       brw_get_scratch_bo(brw, &brw->vs.base.scratch_bo,
 			 prog_data.base.base.total_scratch *
                          brw->max_vs_threads);