Mesa (master): tgsi: move to using vector for system values.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 912ed84f83381330f0d616678878935cd2366293
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=912ed84f83381330f0d616678878935cd2366293

Author: Dave Airlie <airlied at redhat.com>
Date:   Tue Apr 26 09:48:46 2016 +1000

tgsi: move to using vector for system values.

For compute support some of the system values are .xyz types,
so move to using a vector instead of a single channel.

[airlied: squash swizzle fix from compute series].

Reviewed-by: Brian Paul <brianp at vmware.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/gallium/auxiliary/draw/draw_gs.c      | 2 +-
 src/gallium/auxiliary/draw/draw_vs_exec.c | 8 ++++----
 src/gallium/auxiliary/tgsi/tgsi_exec.c    | 2 +-
 src/gallium/auxiliary/tgsi/tgsi_exec.h    | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index ca03238..adba931 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -197,7 +197,7 @@ static void tgsi_gs_prepare(struct draw_geometry_shader *shader,
    if (shader->info.uses_invocationid) {
       unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INVOCATIONID];
       for (j = 0; j < TGSI_QUAD_SIZE; j++)
-         machine->SystemValue[i].i[j] = shader->invocation_id;
+         machine->SystemValue[i].xyzw[0].i[j] = shader->invocation_id;
    }
 }
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c
index da0d1a7..fe6ad5b 100644
--- a/src/gallium/auxiliary/draw/draw_vs_exec.c
+++ b/src/gallium/auxiliary/draw/draw_vs_exec.c
@@ -107,7 +107,7 @@ vs_exec_run_linear( struct draw_vertex_shader *shader,
       unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INSTANCEID];
       assert(i < Elements(machine->SystemValue));
       for (j = 0; j < TGSI_QUAD_SIZE; j++)
-         machine->SystemValue[i].i[j] = shader->draw->instance_id;
+         machine->SystemValue[i].xyzw[0].i[j] = shader->draw->instance_id;
    }
 
    for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
@@ -130,19 +130,19 @@ vs_exec_run_linear( struct draw_vertex_shader *shader,
          if (shader->info.uses_vertexid) {
             unsigned vid = machine->SysSemanticToIndex[TGSI_SEMANTIC_VERTEXID];
             assert(vid < Elements(machine->SystemValue));
-            machine->SystemValue[vid].i[j] = i + j;
+            machine->SystemValue[vid].xyzw[0].i[j] = i + j;
             /* XXX this should include base vertex. Where to get it??? */
          }
          if (shader->info.uses_basevertex) {
             unsigned vid = machine->SysSemanticToIndex[TGSI_SEMANTIC_BASEVERTEX];
             assert(vid < Elements(machine->SystemValue));
-            machine->SystemValue[vid].i[j] = 0;
+            machine->SystemValue[vid].xyzw[0].i[j] = 0;
             /* XXX Where to get it??? */
          }
          if (shader->info.uses_vertexid_nobase) {
             unsigned vid = machine->SysSemanticToIndex[TGSI_SEMANTIC_VERTEXID_NOBASE];
             assert(vid < Elements(machine->SystemValue));
-            machine->SystemValue[vid].i[j] = i + j;
+            machine->SystemValue[vid].xyzw[0].i[j] = i + j;
          }
 
          for (slot = 0; slot < shader->info.num_inputs; slot++) {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index e8bb103..f6b08bc 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1282,7 +1282,7 @@ fetch_src_file_channel(const struct tgsi_exec_machine *mach,
        * gl_FragCoord, for example, in a sys value register.
        */
       for (i = 0; i < TGSI_QUAD_SIZE; i++) {
-         chan->u[i] = mach->SystemValue[index->i[i]].u[i];
+         chan->u[i] = mach->SystemValue[index->i[i]].xyzw[swizzle].u[i];
       }
       break;
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index 5e554d5..b12f7be 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -356,7 +356,7 @@ struct tgsi_exec_machine
 
    /* System values */
    unsigned                      SysSemanticToIndex[TGSI_SEMANTIC_COUNT];
-   union tgsi_exec_channel       SystemValue[TGSI_MAX_MISC_INPUTS];
+   struct tgsi_exec_vector       SystemValue[TGSI_MAX_MISC_INPUTS];
 
    struct tgsi_exec_vector       *Addrs;
    struct tgsi_exec_vector       *Predicates;