i965: Replace boolean rb surface state setup argument with flags

And add plumbing to provide it all the way to surface state emitter.
This is not used yet but will be in subsequent patches to carry
additional constraints.

v2 (Jason): Use uint32_t instead of int as the type

Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

3 files changed, 20 insertions, 12 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index e7c90b7b38c..7780ce5882e 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -747,7 +747,7 @@ struct brw_context
    {
       uint32_t (*update_renderbuffer_surface)(struct brw_context *brw,
                                               struct gl_renderbuffer *rb,
-                                              bool layered, unsigned unit,
+                                              uint32_t flags, unsigned unit,
                                               uint32_t surf_index);
       void (*emit_null_surface_state)(struct brw_context *brw,
                                       unsigned width,
diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index bfcdf29904e..b42b9af4073 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -288,7 +288,7 @@ void brw_update_texture_surface(struct gl_context *ctx,
 
 uint32_t brw_update_renderbuffer_surface(struct brw_context *brw,
                                          struct gl_renderbuffer *rb,
-                                         bool layered, unsigned unit,
+                                         uint32_t flags, unsigned unit,
                                          uint32_t surf_index);
 
 void brw_update_renderbuffer_surfaces(struct brw_context *brw,
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index c347b5d59ca..0683b76cc23 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -54,6 +54,10 @@
 #include "brw_defines.h"
 #include "brw_wm.h"
 
+enum {
+   INTEL_RENDERBUFFER_LAYERED = 1 << 0,
+};
+
 struct surface_state_info {
    unsigned num_dwords;
    unsigned ss_align; /* Required alignment of RENDER_SURFACE_STATE in bytes */
@@ -74,7 +78,7 @@ static const struct surface_state_info surface_state_infos[] = {
 
 static void
 brw_emit_surface_state(struct brw_context *brw,
-                       struct intel_mipmap_tree *mt,
+                       struct intel_mipmap_tree *mt, uint32_t flags,
                        GLenum target, struct isl_view view,
                        uint32_t mocs, uint32_t *surf_offset, int surf_index,
                        unsigned read_domains, unsigned write_domains)
@@ -183,7 +187,7 @@ brw_emit_surface_state(struct brw_context *brw,
 uint32_t
 brw_update_renderbuffer_surface(struct brw_context *brw,
                                 struct gl_renderbuffer *rb,
-                                bool layered, unsigned unit /* unused */,
+                                uint32_t flags, unsigned unit /* unused */,
                                 uint32_t surf_index)
 {
    struct gl_context *ctx = &brw->ctx;
@@ -220,7 +224,7 @@ brw_update_renderbuffer_surface(struct brw_context *brw,
    };
 
    uint32_t offset;
-   brw_emit_surface_state(brw, mt, mt->target, view,
+   brw_emit_surface_state(brw, mt, flags, mt->target, view,
                           surface_state_infos[brw->gen].rb_mocs,
                           &offset, surf_index,
                           I915_GEM_DOMAIN_RENDER,
@@ -533,7 +537,8 @@ brw_update_texture_surface(struct gl_context *ctx,
           obj->Target == GL_TEXTURE_CUBE_MAP_ARRAY)
          view.usage |= ISL_SURF_USAGE_CUBE_BIT;
 
-      brw_emit_surface_state(brw, mt, mt->target, view,
+      const int flags = 0;
+      brw_emit_surface_state(brw, mt, flags, mt->target, view,
                              surface_state_infos[brw->gen].tex_mocs,
                              surf_offset, surf_index,
                              I915_GEM_DOMAIN_SAMPLER, 0);
@@ -865,7 +870,7 @@ brw_emit_null_surface_state(struct brw_context *brw,
 static uint32_t
 gen4_update_renderbuffer_surface(struct brw_context *brw,
                                  struct gl_renderbuffer *rb,
-                                 bool layered, unsigned unit,
+                                 uint32_t flags, unsigned unit,
                                  uint32_t surf_index)
 {
    struct gl_context *ctx = &brw->ctx;
@@ -879,7 +884,7 @@ gen4_update_renderbuffer_surface(struct brw_context *brw,
    mesa_format rb_format = _mesa_get_render_format(ctx, intel_rb_format(irb));
    /* BRW_NEW_FS_PROG_DATA */
 
-   assert(!layered);
+   assert(!(flags & INTEL_RENDERBUFFER_LAYERED));
 
    if (rb->TexImage && !brw->has_surface_tile_offset) {
       intel_renderbuffer_get_tile_offsets(irb, &tile_x, &tile_y);
@@ -982,12 +987,13 @@ brw_update_renderbuffer_surfaces(struct brw_context *brw,
    if (fb->_NumColorDrawBuffers >= 1) {
       for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
          const uint32_t surf_index = render_target_start + i;
+         const int flags =
+            _mesa_geometric_layers(fb) > 0 ? INTEL_RENDERBUFFER_LAYERED : 0;
 
 	 if (intel_renderbuffer(fb->_ColorDrawBuffers[i])) {
             surf_offset[surf_index] =
                brw->vtbl.update_renderbuffer_surface(
-                  brw, fb->_ColorDrawBuffers[i],
-                  _mesa_geometric_layers(fb) > 0, i, surf_index);
+                  brw, fb->_ColorDrawBuffers[i], flags, i, surf_index);
 	 } else {
             brw->vtbl.emit_null_surface_state(brw, w, h, s,
                &surf_offset[surf_index]);
@@ -1099,7 +1105,8 @@ update_renderbuffer_read_surfaces(struct brw_context *brw)
                .usage = ISL_SURF_USAGE_TEXTURE_BIT,
             };
 
-            brw_emit_surface_state(brw, irb->mt, target, view,
+            const int flags = 0;
+            brw_emit_surface_state(brw, irb->mt, flags, target, view,
                                    surface_state_infos[brw->gen].tex_mocs,
                                    surf_offset, surf_index,
                                    I915_GEM_DOMAIN_SAMPLER, 0);
@@ -1658,7 +1665,8 @@ update_image_surface(struct brw_context *brw,
 
             const int surf_index = surf_offset - &brw->wm.base.surf_offset[0];
 
-            brw_emit_surface_state(brw, mt, mt->target, view,
+            const int flags = 0;
+            brw_emit_surface_state(brw, mt, flags, mt->target, view,
                                    surface_state_infos[brw->gen].tex_mocs,
                                    surf_offset, surf_index,
                                    I915_GEM_DOMAIN_SAMPLER,