vk: Add four unit tests for our lock-free data-structures
[mesa.git] / src / mesa / drivers / dri / i965 / gen7_wm_surface_state.c
index b9d6c8b33fe464ad92d17f99961d9e685dcd8c1b..15ab2b0eae3a1de6d273ef1ad29663c2e73ffafc 100644 (file)
@@ -24,6 +24,7 @@
 #include "main/blend.h"
 #include "main/samplerobj.h"
 #include "main/texformat.h"
+#include "main/teximage.h"
 #include "program/prog_parameter.h"
 
 #include "intel_mipmap_tree.h"
 
 /**
  * Convert an swizzle enumeration (i.e. SWIZZLE_X) to one of the Gen7.5+
- * "Shader Channel Select" enumerations (i.e. HSW_SCS_RED)
+ * "Shader Channel Select" enumerations (i.e. HSW_SCS_RED).  The mappings are
+ *
+ * SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE
+ *         0          1          2          3             4            5
+ *         4          5          6          7             0            1
+ *   SCS_RED, SCS_GREEN,  SCS_BLUE, SCS_ALPHA,     SCS_ZERO,     SCS_ONE
+ *
+ * which is simply adding 4 then modding by 8 (or anding with 7).
+ *
+ * We then may need to apply workarounds for textureGather hardware bugs.
  */
-unsigned
-brw_swizzle_to_scs(GLenum swizzle, bool need_green_to_blue)
+static unsigned
+swizzle_to_scs(GLenum swizzle, bool need_green_to_blue)
 {
-   switch (swizzle) {
-   case SWIZZLE_X:
-      return HSW_SCS_RED;
-   case SWIZZLE_Y:
-      return need_green_to_blue ? HSW_SCS_BLUE : HSW_SCS_GREEN;
-   case SWIZZLE_Z:
-      return HSW_SCS_BLUE;
-   case SWIZZLE_W:
-      return HSW_SCS_ALPHA;
-   case SWIZZLE_ZERO:
-      return HSW_SCS_ZERO;
-   case SWIZZLE_ONE:
-      return HSW_SCS_ONE;
-   }
+   unsigned scs = (swizzle + 4) & 7;
 
-   assert(!"Should not get here: invalid swizzle mode");
-   return HSW_SCS_ZERO;
+   return (need_green_to_blue && scs == HSW_SCS_GREEN) ? HSW_SCS_BLUE : scs;
 }
 
 uint32_t
@@ -107,12 +103,12 @@ gen7_set_surface_mcs_info(struct brw_context *brw,
     *
     *     "The MCS surface must be stored as Tile Y."
     */
-   assert(mcs_mt->region->tiling == I915_TILING_Y);
+   assert(mcs_mt->tiling == I915_TILING_Y);
 
    /* Compute the pitch in units of tiles.  To do this we need to divide the
     * pitch in bytes by 128, since a single Y-tile is 128 bytes wide.
     */
-   unsigned pitch_tiles = mcs_mt->region->pitch / 128;
+   unsigned pitch_tiles = mcs_mt->pitch / 128;
 
    /* The upper 20 bits of surface state DWORD 6 are the upper 20 bits of the
     * GPU address of the MCS buffer; the lower 12 bits contain other control
@@ -120,15 +116,15 @@ gen7_set_surface_mcs_info(struct brw_context *brw,
     * thus have their lower 12 bits zero), we can use an ordinary reloc to do
     * the necessary address translation.
     */
-   assert ((mcs_mt->region->bo->offset64 & 0xfff) == 0);
+   assert ((mcs_mt->bo->offset64 & 0xfff) == 0);
 
    surf[6] = GEN7_SURFACE_MCS_ENABLE |
              SET_FIELD(pitch_tiles - 1, GEN7_SURFACE_MCS_PITCH) |
-             mcs_mt->region->bo->offset64;
+             mcs_mt->bo->offset64;
 
    drm_intel_bo_emit_reloc(brw->batch.bo,
                            surf_offset + 6 * 4,
-                           mcs_mt->region->bo,
+                           mcs_mt->bo,
                            surf[6] & 0xfff,
                            is_render_target ? I915_GEM_DOMAIN_RENDER
                            : I915_GEM_DOMAIN_SAMPLER,
@@ -230,7 +226,6 @@ gen7_emit_buffer_surface_state(struct brw_context *brw,
                                unsigned surface_format,
                                unsigned buffer_size,
                                unsigned pitch,
-                               unsigned mocs,
                                bool rw)
 {
    uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
@@ -243,10 +238,13 @@ gen7_emit_buffer_surface_state(struct brw_context *brw,
    surf[1] = (bo ? bo->offset64 : 0) + buffer_offset; /* reloc */
    surf[2] = SET_FIELD((buffer_size - 1) & 0x7f, GEN7_SURFACE_WIDTH) |
              SET_FIELD(((buffer_size - 1) >> 7) & 0x3fff, GEN7_SURFACE_HEIGHT);
-   surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH) |
-             (pitch - 1);
+   if (surface_format == BRW_SURFACEFORMAT_RAW)
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3ff, BRW_SURFACE_DEPTH);
+   else
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH);
+   surf[3] |= (pitch - 1);
 
-   surf[5] = SET_FIELD(mocs, GEN7_SURFACE_MOCS);
+   surf[5] = SET_FIELD(GEN7_MOCS_L3, GEN7_SURFACE_MOCS);
 
    if (brw->is_haswell) {
       surf[7] |= (SET_FIELD(HSW_SCS_RED,   GEN7_SURFACE_SCS_R) |
@@ -266,40 +264,28 @@ gen7_emit_buffer_surface_state(struct brw_context *brw,
 }
 
 static void
-gen7_update_texture_surface(struct gl_context *ctx,
-                            unsigned unit,
-                            uint32_t *surf_offset,
-                            bool for_gather)
+gen7_emit_texture_surface_state(struct brw_context *brw,
+                                struct intel_mipmap_tree *mt,
+                                GLenum target,
+                                unsigned min_layer, unsigned max_layer,
+                                unsigned min_level, unsigned max_level,
+                                unsigned format,
+                                unsigned swizzle,
+                                uint32_t *surf_offset,
+                                bool rw, bool for_gather)
 {
-   struct brw_context *brw = brw_context(ctx);
-   struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
-   struct intel_texture_object *intelObj = intel_texture_object(tObj);
-   struct intel_mipmap_tree *mt = intelObj->mt;
-   struct gl_texture_image *firstImage = tObj->Image[0][tObj->BaseLevel];
-   struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
-
-   if (tObj->Target == GL_TEXTURE_BUFFER) {
-      brw_update_buffer_texture_surface(ctx, unit, surf_offset);
-      return;
-   }
-
+   const unsigned depth = max_layer - min_layer;
    uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
                                     8 * 4, 32, surf_offset);
-   memset(surf, 0, 8 * 4);
 
-   uint32_t tex_format = translate_tex_format(brw,
-                                              mt->format,
-                                              sampler->sRGBDecode);
-
-   if (for_gather && tex_format == BRW_SURFACEFORMAT_R32G32_FLOAT)
-      tex_format = BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+   memset(surf, 0, 8 * 4);
 
-   surf[0] = translate_tex_target(tObj->Target) << BRW_SURFACE_TYPE_SHIFT |
-             tex_format << BRW_SURFACE_FORMAT_SHIFT |
-             gen7_surface_tiling_mode(mt->region->tiling);
+   surf[0] = translate_tex_target(target) << BRW_SURFACE_TYPE_SHIFT |
+             format << BRW_SURFACE_FORMAT_SHIFT |
+             gen7_surface_tiling_mode(mt->tiling);
 
    /* mask of faces present in cube map; for other surfaces MBZ. */
-   if (tObj->Target == GL_TEXTURE_CUBE_MAP || tObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY)
+   if (target == GL_TEXTURE_CUBE_MAP || target == GL_TEXTURE_CUBE_MAP_ARRAY)
       surf[0] |= BRW_SURFACE_CUBEFACE_ENABLES;
 
    if (mt->align_h == 4)
@@ -307,46 +293,42 @@ gen7_update_texture_surface(struct gl_context *ctx,
    if (mt->align_w == 8)
       surf[0] |= GEN7_SURFACE_HALIGN_8;
 
-   if (mt->logical_depth0 > 1 && tObj->Target != GL_TEXTURE_3D)
+   if (_mesa_is_array_texture(target) || target == GL_TEXTURE_CUBE_MAP)
       surf[0] |= GEN7_SURFACE_IS_ARRAY;
 
-   if (mt->array_spacing_lod0)
+   if (mt->array_layout == ALL_SLICES_AT_EACH_LOD)
       surf[0] |= GEN7_SURFACE_ARYSPC_LOD0;
 
-   surf[1] = mt->region->bo->offset64 + mt->offset; /* reloc */
+   surf[1] = mt->bo->offset64 + mt->offset; /* reloc */
 
    surf[2] = SET_FIELD(mt->logical_width0 - 1, GEN7_SURFACE_WIDTH) |
              SET_FIELD(mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
-   surf[3] = SET_FIELD(mt->logical_depth0 - 1, BRW_SURFACE_DEPTH) |
-             (mt->region->pitch - 1);
 
-   surf[4] = gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout);
+   surf[3] = SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) |
+             (mt->pitch - 1);
+
+   if (brw->is_haswell && _mesa_is_format_integer(mt->format))
+      surf[3] |= HSW_SURFACE_IS_INTEGER_FORMAT;
+
+   surf[4] = gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout) |
+             SET_FIELD(min_layer, GEN7_SURFACE_MIN_ARRAY_ELEMENT) |
+             SET_FIELD(depth - 1, GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT);
 
    surf[5] = (SET_FIELD(GEN7_MOCS_L3, GEN7_SURFACE_MOCS) |
-              SET_FIELD(tObj->BaseLevel - mt->first_level,
-                        GEN7_SURFACE_MIN_LOD) |
+              SET_FIELD(min_level - mt->first_level, GEN7_SURFACE_MIN_LOD) |
               /* mip count */
-              (intelObj->_MaxLevel - tObj->BaseLevel));
+              (max_level - min_level - 1));
 
-   if (brw->is_haswell) {
-      /* Handling GL_ALPHA as a surface format override breaks 1.30+ style
-       * texturing functions that return a float, as our code generation always
-       * selects the .x channel (which would always be 0).
-       */
-      const bool alpha_depth = tObj->DepthMode == GL_ALPHA &&
-         (firstImage->_BaseFormat == GL_DEPTH_COMPONENT ||
-          firstImage->_BaseFormat == GL_DEPTH_STENCIL);
-
-      const int swizzle = unlikely(alpha_depth)
-         ? SWIZZLE_XYZW : brw_get_texture_swizzle(ctx, tObj);
+   surf[7] = mt->fast_clear_color_value;
 
-      const bool need_scs_green_to_blue = for_gather && tex_format == BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+   if (brw->is_haswell) {
+      const bool need_scs_green_to_blue = for_gather && format == BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
 
-      surf[7] =
-         SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 0), need_scs_green_to_blue), GEN7_SURFACE_SCS_R) |
-         SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 1), need_scs_green_to_blue), GEN7_SURFACE_SCS_G) |
-         SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 2), need_scs_green_to_blue), GEN7_SURFACE_SCS_B) |
-         SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 3), need_scs_green_to_blue), GEN7_SURFACE_SCS_A);
+      surf[7] |=
+         SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 0), need_scs_green_to_blue), GEN7_SURFACE_SCS_R) |
+         SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 1), need_scs_green_to_blue), GEN7_SURFACE_SCS_G) |
+         SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 2), need_scs_green_to_blue), GEN7_SURFACE_SCS_B) |
+         SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 3), need_scs_green_to_blue), GEN7_SURFACE_SCS_A);
    }
 
    if (mt->mcs_mt) {
@@ -357,34 +339,76 @@ gen7_update_texture_surface(struct gl_context *ctx,
    /* Emit relocation to surface contents */
    drm_intel_bo_emit_reloc(brw->batch.bo,
                            *surf_offset + 4,
-                           mt->region->bo,
-                           surf[1] - mt->region->bo->offset64,
-                           I915_GEM_DOMAIN_SAMPLER, 0);
+                           mt->bo,
+                           surf[1] - mt->bo->offset64,
+                           I915_GEM_DOMAIN_SAMPLER,
+                           (rw ? I915_GEM_DOMAIN_SAMPLER : 0));
 
    gen7_check_surface_setup(surf, false /* is_render_target */);
 }
 
-/**
- * Create a raw surface for untyped R/W access.
- */
 static void
-gen7_create_raw_surface(struct brw_context *brw, drm_intel_bo *bo,
-                        uint32_t offset, uint32_t size,
-                        uint32_t *out_offset, bool rw)
+gen7_update_texture_surface(struct gl_context *ctx,
+                            unsigned unit,
+                            uint32_t *surf_offset,
+                            bool for_gather)
 {
-   gen7_emit_buffer_surface_state(brw,
-                                  out_offset,
-                                  bo,
-                                  offset,
-                                  BRW_SURFACEFORMAT_RAW,
-                                  size,
-                                  1,
-                                  0 /* mocs */,
-                                  true /* rw */);
+   struct brw_context *brw = brw_context(ctx);
+   struct gl_texture_object *obj = ctx->Texture.Unit[unit]._Current;
+
+   if (obj->Target == GL_TEXTURE_BUFFER) {
+      brw_update_buffer_texture_surface(ctx, unit, surf_offset);
+
+   } else {
+      struct intel_texture_object *intel_obj = intel_texture_object(obj);
+      struct intel_mipmap_tree *mt = intel_obj->mt;
+      struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
+      /* If this is a view with restricted NumLayers, then our effective depth
+       * is not just the miptree depth.
+       */
+      const unsigned depth = (obj->Immutable && obj->Target != GL_TEXTURE_3D ?
+                              obj->NumLayers : mt->logical_depth0);
+
+      /* Handling GL_ALPHA as a surface format override breaks 1.30+ style
+       * texturing functions that return a float, as our code generation always
+       * selects the .x channel (which would always be 0).
+       */
+      struct gl_texture_image *firstImage = obj->Image[0][obj->BaseLevel];
+      const bool alpha_depth = obj->DepthMode == GL_ALPHA &&
+         (firstImage->_BaseFormat == GL_DEPTH_COMPONENT ||
+          firstImage->_BaseFormat == GL_DEPTH_STENCIL);
+      const unsigned swizzle = (unlikely(alpha_depth) ? SWIZZLE_XYZW :
+                                brw_get_texture_swizzle(&brw->ctx, obj));
+
+      unsigned format = translate_tex_format(
+         brw, intel_obj->_Format, sampler->sRGBDecode);
+
+      if (for_gather && format == BRW_SURFACEFORMAT_R32G32_FLOAT)
+         format = BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+
+      gen7_emit_texture_surface_state(brw, mt, obj->Target,
+                                      obj->MinLayer, obj->MinLayer + depth,
+                                      obj->MinLevel + obj->BaseLevel,
+                                      obj->MinLevel + intel_obj->_MaxLevel + 1,
+                                      format, swizzle,
+                                      surf_offset, false, for_gather);
+   }
 }
 
+/**
+ * Creates a null surface.
+ *
+ * This is used when the shader doesn't write to any color output.  An FB
+ * write to target 0 will still be emitted, because that's how the thread is
+ * terminated (and computed depth is returned), so we need to have the
+ * hardware discard the target 0 color output..
+ */
 static void
-gen7_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
+gen7_emit_null_surface_state(struct brw_context *brw,
+                             unsigned width,
+                             unsigned height,
+                             unsigned samples,
+                             uint32_t *out_offset)
 {
    /* From the Ivy bridge PRM, Vol4 Part1 p62 (Surface Type: Programming
     * Notes):
@@ -401,15 +425,8 @@ gen7_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
     *     depth buffer’s corresponding state for all render target surfaces,
     *     including null.
     */
-   struct gl_context *ctx = &brw->ctx;
-
-   /* _NEW_BUFFERS */
-   const struct gl_framebuffer *fb = ctx->DrawBuffer;
-   uint32_t surf_index =
-      brw->wm.prog_data->binding_table.render_target_start + unit;
-
    uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32,
-                                    &brw->wm.base.surf_offset[surf_index]);
+                                    out_offset);
    memset(surf, 0, 8 * 4);
 
    /* From the Ivybridge PRM, Volume 4, Part 1, page 65,
@@ -420,8 +437,8 @@ gen7_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
              BRW_SURFACEFORMAT_B8G8R8A8_UNORM << BRW_SURFACE_FORMAT_SHIFT |
              GEN7_SURFACE_TILING_Y;
 
-   surf[2] = SET_FIELD(fb->Width - 1, GEN7_SURFACE_WIDTH) |
-             SET_FIELD(fb->Height - 1, GEN7_SURFACE_HEIGHT);
+   surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
+             SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
 
    gen7_check_surface_setup(surf, true /* is_render_target */);
 }
@@ -431,31 +448,31 @@ gen7_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
  * While it is only used for the front/back buffer currently, it should be
  * usable for further buffers when doing ARB_draw_buffer support.
  */
-static void
+static uint32_t
 gen7_update_renderbuffer_surface(struct brw_context *brw,
-                                struct gl_renderbuffer *rb,
-                                bool layered,
-                                unsigned int unit)
+                                 struct gl_renderbuffer *rb,
+                                 bool layered, unsigned unit /* unused */,
+                                 uint32_t surf_index)
 {
    struct gl_context *ctx = &brw->ctx;
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);
-   struct intel_region *region = irb->mt->region;
+   struct intel_mipmap_tree *mt = irb->mt;
    uint32_t format;
    /* _NEW_BUFFERS */
    mesa_format rb_format = _mesa_get_render_format(ctx, intel_rb_format(irb));
    uint32_t surftype;
    bool is_array = false;
-   int depth = MAX2(rb->Depth, 1);
-   int min_array_element;
+   int depth = MAX2(irb->layer_count, 1);
    const uint8_t mocs = GEN7_MOCS_L3;
+   uint32_t offset;
+
+   int min_array_element = irb->mt_layer / MAX2(mt->num_samples, 1);
+
    GLenum gl_target = rb->TexImage ?
                          rb->TexImage->TexObject->Target : GL_TEXTURE_2D;
 
-   uint32_t surf_index =
-      brw->wm.prog_data->binding_table.render_target_start + unit;
-
    uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32,
-                                    &brw->wm.base.surf_offset[surf_index]);
+                                    &offset);
    memset(surf, 0, 8 * 4);
 
    intel_miptree_used_for_rendering(irb->mt);
@@ -467,7 +484,7 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
    format = brw->render_target_format[rb_format];
    if (unlikely(!brw->format_supported_as_render_target[rb_format])) {
       _mesa_problem(ctx, "%s: renderbuffer format %s unsupported\n",
-                    __FUNCTION__, _mesa_get_format_name(rb_format));
+                    __func__, _mesa_get_format_name(rb_format));
    }
 
    switch (gl_target) {
@@ -477,25 +494,20 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
       is_array = true;
       depth *= 6;
       break;
+   case GL_TEXTURE_3D:
+      depth = MAX2(irb->mt->logical_depth0, 1);
+      /* fallthrough */
    default:
       surftype = translate_tex_target(gl_target);
       is_array = _mesa_tex_target_is_array(gl_target);
       break;
    }
 
-   if (layered) {
-      min_array_element = 0;
-   } else if (irb->mt->num_samples > 1) {
-      min_array_element = irb->mt_layer / irb->mt->num_samples;
-   } else {
-      min_array_element = irb->mt_layer;
-   }
-
    surf[0] = surftype << BRW_SURFACE_TYPE_SHIFT |
              format << BRW_SURFACE_FORMAT_SHIFT |
-             (irb->mt->array_spacing_lod0 ? GEN7_SURFACE_ARYSPC_LOD0
-                                          : GEN7_SURFACE_ARYSPC_FULL) |
-             gen7_surface_tiling_mode(region->tiling);
+             (irb->mt->array_layout == ALL_SLICES_AT_EACH_LOD ?
+                 GEN7_SURFACE_ARYSPC_LOD0 : GEN7_SURFACE_ARYSPC_FULL) |
+             gen7_surface_tiling_mode(mt->tiling);
 
    if (irb->mt->align_h == 4)
       surf[0] |= GEN7_SURFACE_VALIGN_4;
@@ -506,7 +518,8 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
       surf[0] |= GEN7_SURFACE_IS_ARRAY;
    }
 
-   surf[1] = region->bo->offset64;
+   assert(mt->offset % mt->cpp == 0);
+   surf[1] = mt->bo->offset64 + mt->offset;
 
    assert(brw->has_surface_tile_offset);
 
@@ -517,14 +530,14 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
              SET_FIELD(irb->mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
 
    surf[3] = ((depth - 1) << BRW_SURFACE_DEPTH_SHIFT) |
-             (region->pitch - 1);
+             (mt->pitch - 1);
 
    surf[4] = gen7_surface_msaa_bits(irb->mt->num_samples, irb->mt->msaa_layout) |
              min_array_element << GEN7_SURFACE_MIN_ARRAY_ELEMENT_SHIFT |
              (depth - 1) << GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT_SHIFT;
 
    if (irb->mt->mcs_mt) {
-      gen7_set_surface_mcs_info(brw, surf, brw->wm.base.surf_offset[surf_index],
+      gen7_set_surface_mcs_info(brw, surf, offset,
                                 irb->mt->mcs_mt, true /* is RT */);
    }
 
@@ -538,13 +551,15 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
    }
 
    drm_intel_bo_emit_reloc(brw->batch.bo,
-                          brw->wm.base.surf_offset[surf_index] + 4,
-                          region->bo,
-                          surf[1] - region->bo->offset64,
-                          I915_GEM_DOMAIN_RENDER,
-                          I915_GEM_DOMAIN_RENDER);
+                           offset + 4,
+                           mt->bo,
+                           surf[1] - mt->bo->offset64,
+                           I915_GEM_DOMAIN_RENDER,
+                           I915_GEM_DOMAIN_RENDER);
 
    gen7_check_surface_setup(surf, true /* is_render_target */);
+
+   return offset;
 }
 
 void
@@ -552,8 +567,7 @@ gen7_init_vtable_surface_functions(struct brw_context *brw)
 {
    brw->vtbl.update_texture_surface = gen7_update_texture_surface;
    brw->vtbl.update_renderbuffer_surface = gen7_update_renderbuffer_surface;
-   brw->vtbl.update_null_renderbuffer_surface =
-      gen7_update_null_renderbuffer_surface;
-   brw->vtbl.create_raw_surface = gen7_create_raw_surface;
+   brw->vtbl.emit_null_surface_state = gen7_emit_null_surface_state;
+   brw->vtbl.emit_texture_surface_state = gen7_emit_texture_surface_state;
    brw->vtbl.emit_buffer_surface_state = gen7_emit_buffer_surface_state;
 }