[Mesa-dev] [PATCH 06/17] i965/vs: split brw_vs_prog_data into generic and VS-specific parts.

Paul Berry stereotype441 at gmail.com
Sun Apr 7 15:53:59 PDT 2013


This will allow the generic parts to be re-used for geometry shaders.
---
 src/mesa/drivers/dri/i965/brw_context.h            | 30 ++++++----
 src/mesa/drivers/dri/i965/brw_curbe.c              |  6 +-
 src/mesa/drivers/dri/i965/brw_gs.c                 |  4 +-
 src/mesa/drivers/dri/i965/brw_vec4.cpp             | 28 ++++-----
 .../drivers/dri/i965/brw_vec4_reg_allocate.cpp     | 10 ++--
 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp     | 35 +++++------
 src/mesa/drivers/dri/i965/brw_vec4_vp.cpp          | 12 ++--
 src/mesa/drivers/dri/i965/brw_vs.c                 | 67 ++++++++++++++++------
 src/mesa/drivers/dri/i965/brw_vs.h                 |  3 +
 src/mesa/drivers/dri/i965/brw_vs_state.c           | 12 ++--
 src/mesa/drivers/dri/i965/brw_vs_surface_state.c   | 18 +++---
 src/mesa/drivers/dri/i965/gen6_vs_state.c          | 14 ++---
 src/mesa/drivers/dri/i965/gen7_vs_state.c          |  4 +-
 13 files changed, 146 insertions(+), 97 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index f9328f8..960ab43 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -439,19 +439,35 @@ struct brw_gs_prog_data {
    unsigned svbi_postincrement_value;
 };
 
-/* Note: brw_vs_prog_data_compare() must be updated when adding fields to this
- * struct!
+
+/* Note: brw_vec4_prog_data_compare() must be updated when adding fields to
+ * this struct!
  */
-struct brw_vs_prog_data {
+struct brw_vec4_prog_data {
    struct brw_vue_map vue_map;
 
    GLuint curb_read_length;
-   GLuint urb_read_length;
    GLuint total_grf;
    GLuint nr_params;       /**< number of float params/constants */
    GLuint nr_pull_params; /**< number of dwords referenced by pull_param[] */
    GLuint total_scratch;
 
+   int num_surfaces;
+
+   /* These pointers must appear last.  See brw_vec4_prog_data_compare(). */
+   const float **param;
+   const float **pull_param;
+};
+
+
+/* Note: brw_vs_prog_data_compare() must be updated when adding fields to this
+ * struct!
+ */
+struct brw_vs_prog_data {
+   struct brw_vec4_prog_data base;
+
+   GLuint urb_read_length;
+
    GLbitfield64 inputs_read;
 
    /* Used for calculating urb partitions:
@@ -459,12 +475,6 @@ struct brw_vs_prog_data {
    GLuint urb_entry_size;
 
    bool uses_vertexid;
-
-   int num_surfaces;
-
-   /* These pointers must appear last.  See brw_vs_prog_data_compare(). */
-   const float **param;
-   const float **pull_param;
 };
 
 /** Number of texture sampler units */
diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c
index b332f19..3abd22b 100644
--- a/src/mesa/drivers/dri/i965/brw_curbe.c
+++ b/src/mesa/drivers/dri/i965/brw_curbe.c
@@ -60,7 +60,7 @@ static void calculate_curbe_offsets( struct brw_context *brw )
    const GLuint nr_fp_regs = (brw->wm.prog_data->nr_params + 15) / 16;
    
    /* BRW_NEW_VERTEX_PROGRAM */
-   const GLuint nr_vp_regs = (brw->vs.prog_data->nr_params + 15) / 16;
+   const GLuint nr_vp_regs = (brw->vs.prog_data->base.nr_params + 15) / 16;
    GLuint nr_clip_regs = 0;
    GLuint total_regs;
 
@@ -240,8 +240,8 @@ brw_upload_constant_buffer(struct brw_context *brw)
    if (brw->curbe.vs_size) {
       GLuint offset = brw->curbe.vs_start * 16;
 
-      for (i = 0; i < brw->vs.prog_data->nr_params; i++) {
-         buf[offset + i] = *brw->vs.prog_data->param[i];
+      for (i = 0; i < brw->vs.prog_data->base.nr_params; i++) {
+         buf[offset + i] = *brw->vs.prog_data->base.param[i];
       }
    }
 
diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
index 00a2a5d..caa3b3e 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_gs.c
@@ -57,7 +57,7 @@ static void compile_gs_prog( struct brw_context *brw,
    memset(&c, 0, sizeof(c));
    
    c.key = *key;
-   c.vue_map = brw->vs.prog_data->vue_map;
+   c.vue_map = brw->vs.prog_data->base.vue_map;
    c.nr_regs = (c.vue_map.num_slots + 1)/2;
 
    mem_ctx = ralloc_context(NULL);
@@ -167,7 +167,7 @@ static void populate_key( struct brw_context *brw,
    memset(key, 0, sizeof(*key));
 
    /* CACHE_NEW_VS_PROG (part of VUE map) */
-   key->attrs = brw->vs.prog_data->vue_map.slots_valid;
+   key->attrs = brw->vs.prog_data->base.vue_map.slots_valid;
 
    /* BRW_NEW_PRIMITIVE */
    key->primitive = brw->primitive;
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 107ee64..eadbd9b 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -410,8 +410,8 @@ vec4_visitor::pack_uniform_registers()
 
 	 /* Move the references to the data */
 	 for (int j = 0; j < size; j++) {
-	    prog_data->param[dst * 4 + new_chan[src] + j] =
-	       prog_data->param[src * 4 + j];
+	    prog_data->base.param[dst * 4 + new_chan[src] + j] =
+	       prog_data->base.param[src * 4 + j];
 	 }
 
 	 this->uniform_vector_size[dst] += size;
@@ -562,16 +562,16 @@ vec4_visitor::move_push_constants_to_pull_constants()
       pull_constant_loc[i / 4] = -1;
 
       if (i >= max_uniform_components) {
-	 const float **values = &prog_data->param[i];
+	 const float **values = &prog_data->base.param[i];
 
 	 /* Try to find an existing copy of this uniform in the pull
 	  * constants if it was part of an array access already.
 	  */
-	 for (unsigned int j = 0; j < prog_data->nr_pull_params; j += 4) {
+	 for (unsigned int j = 0; j < prog_data->base.nr_pull_params; j += 4) {
 	    int matches;
 
 	    for (matches = 0; matches < 4; matches++) {
-	       if (prog_data->pull_param[j + matches] != values[matches])
+	       if (prog_data->base.pull_param[j + matches] != values[matches])
 		  break;
 	    }
 
@@ -582,11 +582,11 @@ vec4_visitor::move_push_constants_to_pull_constants()
 	 }
 
 	 if (pull_constant_loc[i / 4] == -1) {
-	    assert(prog_data->nr_pull_params % 4 == 0);
-	    pull_constant_loc[i / 4] = prog_data->nr_pull_params / 4;
+	    assert(prog_data->base.nr_pull_params % 4 == 0);
+	    pull_constant_loc[i / 4] = prog_data->base.nr_pull_params / 4;
 
 	    for (int j = 0; j < 4; j++) {
-	       prog_data->pull_param[prog_data->nr_pull_params++] = values[j];
+	       prog_data->base.pull_param[prog_data->base.nr_pull_params++] = values[j];
 	    }
 	 }
       }
@@ -646,7 +646,8 @@ vec4_visitor::opt_set_dependency_control()
 
    cfg_t cfg(this);
 
-   assert(prog_data->total_grf || !"Must be called after register allocation");
+   assert(prog_data->base.total_grf ||
+          !"Must be called after register allocation");
 
    for (int i = 0; i < cfg.num_blocks; i++) {
       bblock_t *bblock = cfg.blocks[i];
@@ -1235,7 +1236,8 @@ vec4_visitor::setup_attributes(int payload_reg)
 
    prog_data->urb_read_length = (nr_attributes + 1) / 2;
 
-   unsigned vue_entries = MAX2(nr_attributes, prog_data->vue_map.num_slots);
+   unsigned vue_entries =
+      MAX2(nr_attributes, prog_data->base.vue_map.num_slots);
 
    if (intel->gen == 6)
       prog_data->urb_entry_size = ALIGN(vue_entries, 8) / 8;
@@ -1257,7 +1259,7 @@ vec4_visitor::setup_uniforms(int reg)
       for (unsigned int i = 0; i < 4; i++) {
 	 unsigned int slot = this->uniforms * 4 + i;
 	 static float zero = 0.0;
-	 prog_data->param[slot] = &zero;
+	 prog_data->base.param[slot] = &zero;
       }
 
       this->uniforms++;
@@ -1266,9 +1268,9 @@ vec4_visitor::setup_uniforms(int reg)
       reg += ALIGN(uniforms, 2) / 2;
    }
 
-   prog_data->nr_params = this->uniforms * 4;
+   prog_data->base.nr_params = this->uniforms * 4;
 
-   prog_data->curb_read_length = reg - 1;
+   prog_data->base.curb_read_length = reg - 1;
 
    return reg;
 }
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
index 0853c0a..f9ebc3c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
@@ -76,7 +76,7 @@ vec4_visitor::reg_allocate_trivial()
 	 next += this->virtual_grf_sizes[i];
       }
    }
-   prog_data->total_grf = next;
+   prog_data->base.total_grf = next;
 
    foreach_iter(exec_list_iterator, iter, this->instructions) {
       vec4_instruction *inst = (vec4_instruction *)iter.get();
@@ -87,9 +87,9 @@ vec4_visitor::reg_allocate_trivial()
       assign(hw_reg_mapping, &inst->src[2]);
    }
 
-   if (prog_data->total_grf > max_grf) {
+   if (prog_data->base.total_grf > max_grf) {
       fail("Ran out of regs on trivial allocator (%d/%d)\n",
-	   prog_data->total_grf, max_grf);
+	   prog_data->base.total_grf, max_grf);
       return false;
    }
 
@@ -221,12 +221,12 @@ vec4_visitor::reg_allocate()
     * regs in the register classes back down to real hardware reg
     * numbers.
     */
-   prog_data->total_grf = first_assigned_grf;
+   prog_data->base.total_grf = first_assigned_grf;
    for (int i = 0; i < virtual_grf_count; i++) {
       int reg = ra_get_node_reg(g, i);
 
       hw_reg_mapping[i] = first_assigned_grf + brw->vs.ra_reg_to_grf[reg];
-      prog_data->total_grf = MAX2(prog_data->total_grf,
+      prog_data->base.total_grf = MAX2(prog_data->base.total_grf,
 				  hw_reg_mapping[i] + virtual_grf_sizes[i]);
    }
 
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 2346544..68d7bb2 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -605,12 +605,12 @@ vec4_visitor::setup_uniform_values(ir_variable *ir)
 
          int i;
          for (i = 0; i < uniform_vector_size[uniforms]; i++) {
-            prog_data->param[uniforms * 4 + i] = &components->f;
+            prog_data->base.param[uniforms * 4 + i] = &components->f;
             components++;
          }
          for (; i < 4; i++) {
             static float zero = 0;
-            prog_data->param[uniforms * 4 + i] = &zero;
+            prog_data->base.param[uniforms * 4 + i] = &zero;
          }
 
          uniforms++;
@@ -639,7 +639,7 @@ vec4_visitor::setup_uniform_clipplane_values()
 	 this->userplane[compacted_clipplane_index] = dst_reg(UNIFORM, this->uniforms);
 	 this->userplane[compacted_clipplane_index].type = BRW_REGISTER_TYPE_F;
 	 for (int j = 0; j < 4; ++j) {
-	    prog_data->param[this->uniforms * 4 + j] = &clip_planes[i][j];
+	    prog_data->base.param[this->uniforms * 4 + j] = &clip_planes[i][j];
 	 }
 	 ++compacted_clipplane_index;
 	 ++this->uniforms;
@@ -653,7 +653,7 @@ vec4_visitor::setup_uniform_clipplane_values()
 	 this->userplane[i] = dst_reg(UNIFORM, this->uniforms);
 	 this->userplane[i].type = BRW_REGISTER_TYPE_F;
 	 for (int j = 0; j < 4; ++j) {
-	    prog_data->param[this->uniforms * 4 + j] = &clip_planes[i][j];
+	    prog_data->base.param[this->uniforms * 4 + j] = &clip_planes[i][j];
 	 }
 	 ++this->uniforms;
       }
@@ -689,7 +689,7 @@ vec4_visitor::setup_builtin_uniform_values(ir_variable *ir)
 	 int swiz = GET_SWZ(slots[i].swizzle, j);
 	 last_swiz = swiz;
 
-	 prog_data->param[this->uniforms * 4 + j] = &values[swiz];
+	 prog_data->base.param[this->uniforms * 4 + j] = &values[swiz];
 	 if (swiz <= last_swiz)
 	    this->uniform_vector_size[this->uniforms]++;
       }
@@ -2407,7 +2407,7 @@ void
 vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
 {
    if (intel->gen < 6 &&
-       ((prog_data->vue_map.slots_valid & VARYING_BIT_PSIZ) ||
+       ((prog_data->base.vue_map.slots_valid & VARYING_BIT_PSIZ) ||
         c->key.base.userclip_active || brw->has_negative_rhw_bug)) {
       dst_reg header1 = dst_reg(this, glsl_type::uvec4_type);
       dst_reg header1_w = header1;
@@ -2416,7 +2416,7 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
 
       emit(MOV(header1, 0u));
 
-      if (prog_data->vue_map.slots_valid & VARYING_BIT_PSIZ) {
+      if (prog_data->base.vue_map.slots_valid & VARYING_BIT_PSIZ) {
 	 src_reg psiz = src_reg(output_reg[VARYING_SLOT_PSIZ]);
 
 	 current_annotation = "Point size";
@@ -2461,7 +2461,7 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
       emit(MOV(retype(reg, BRW_REGISTER_TYPE_UD), 0u));
    } else {
       emit(MOV(retype(reg, BRW_REGISTER_TYPE_D), src_reg(0)));
-      if (prog_data->vue_map.slots_valid & VARYING_BIT_PSIZ) {
+      if (prog_data->base.vue_map.slots_valid & VARYING_BIT_PSIZ) {
          emit(MOV(brw_writemask(reg, WRITEMASK_W),
                   src_reg(output_reg[VARYING_SLOT_PSIZ])));
       }
@@ -2492,7 +2492,7 @@ vec4_visitor::emit_clip_distances(struct brw_reg reg, int offset)
     * if the user wrote to it; otherwise we use gl_Position.
     */
    gl_varying_slot clip_vertex = VARYING_SLOT_CLIP_VERTEX;
-   if (!(prog_data->vue_map.slots_valid & VARYING_BIT_CLIP_VERTEX)) {
+   if (!(prog_data->base.vue_map.slots_valid & VARYING_BIT_CLIP_VERTEX)) {
       clip_vertex = VARYING_SLOT_POS;
    }
 
@@ -2631,8 +2631,8 @@ vec4_visitor::emit_urb_writes()
 
    /* Set up the VUE data for the first URB write */
    int slot;
-   for (slot = 0; slot < prog_data->vue_map.num_slots; ++slot) {
-      emit_urb_slot(mrf++, prog_data->vue_map.slot_to_varying[slot]);
+   for (slot = 0; slot < prog_data->base.vue_map.num_slots; ++slot) {
+      emit_urb_slot(mrf++, prog_data->base.vue_map.slot_to_varying[slot]);
 
       /* If this was max_usable_mrf, we can't fit anything more into this URB
        * WRITE.
@@ -2643,7 +2643,7 @@ vec4_visitor::emit_urb_writes()
       }
    }
 
-   bool eot = slot >= prog_data->vue_map.num_slots;
+   bool eot = slot >= prog_data->base.vue_map.num_slots;
    if (eot) {
       if (INTEL_DEBUG & DEBUG_SHADER_TIME)
          emit_shader_time_end();
@@ -2658,10 +2658,10 @@ vec4_visitor::emit_urb_writes()
    if (!inst->eot) {
       mrf = base_mrf + 1;
 
-      for (; slot < prog_data->vue_map.num_slots; ++slot) {
+      for (; slot < prog_data->base.vue_map.num_slots; ++slot) {
 	 assert(mrf < max_usable_mrf);
 
-         emit_urb_slot(mrf++, prog_data->vue_map.slot_to_varying[slot]);
+         emit_urb_slot(mrf++, prog_data->base.vue_map.slot_to_varying[slot]);
       }
 
       if (INTEL_DEBUG & DEBUG_SHADER_TIME)
@@ -2927,12 +2927,13 @@ vec4_visitor::move_uniform_array_access_to_pull_constants()
 	  * add it.
 	  */
 	 if (pull_constant_loc[uniform] == -1) {
-	    const float **values = &prog_data->param[uniform * 4];
+	    const float **values = &prog_data->base.param[uniform * 4];
 
-	    pull_constant_loc[uniform] = prog_data->nr_pull_params / 4;
+	    pull_constant_loc[uniform] = prog_data->base.nr_pull_params / 4;
 
 	    for (int j = 0; j < uniform_size[uniform] * 4; j++) {
-	       prog_data->pull_param[prog_data->nr_pull_params++] = values[j];
+	       prog_data->base.pull_param[prog_data->base.nr_pull_params++]
+                  = values[j];
 	    }
 	 }
 
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_vp.cpp b/src/mesa/drivers/dri/i965/brw_vec4_vp.cpp
index 190eed9..0194e24 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_vp.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_vp.cpp
@@ -413,9 +413,9 @@ vec4_visitor::emit_vertex_program_code()
       const struct gl_program_parameter_list *params = c->vp->program.Base.Parameters;
       unsigned i;
       for (i = 0; i < params->NumParameters * 4; i++) {
-         prog_data->pull_param[i] = &params->ParameterValues[i / 4][i % 4].f;
+         prog_data->base.pull_param[i] = &params->ParameterValues[i / 4][i % 4].f;
       }
-      prog_data->nr_pull_params = i;
+      prog_data->base.nr_pull_params = i;
    }
 }
 
@@ -442,15 +442,15 @@ vec4_visitor::setup_vp_regs()
       this->uniform_size[this->uniforms] = 1; /* 1 vec4 */
       this->uniform_vector_size[this->uniforms] = components;
       for (unsigned i = 0; i < 4; i++) {
-         prog_data->param[this->uniforms * 4 + i] = i >= components ? 0 :
-            &plist->ParameterValues[p][i].f;
+         prog_data->base.param[this->uniforms * 4 + i] = i >= components
+            ? 0 : &plist->ParameterValues[p][i].f;
       }
       this->uniforms++; /* counted in vec4 units */
    }
 
    /* PROGRAM_OUTPUT */
-   for (int slot = 0; slot < prog_data->vue_map.num_slots; slot++) {
-      int varying = prog_data->vue_map.slot_to_varying[slot];
+   for (int slot = 0; slot < prog_data->base.vue_map.num_slots; slot++) {
+      int varying = prog_data->base.vue_map.slot_to_varying[slot];
       if (varying == VARYING_SLOT_PSIZ)
          output_reg[varying] = dst_reg(this, glsl_type::float_type);
       else
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index 2d0849a..998edb0 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -197,15 +197,13 @@ gl_clip_plane *brw_select_clip_planes(struct gl_context *ctx)
    }
 }
 
+
 bool
-brw_vs_prog_data_compare(const void *in_a, const void *in_b,
-                         int aux_size, const void *in_key)
+brw_vec4_prog_data_compare(const struct brw_vec4_prog_data *a,
+                           const struct brw_vec4_prog_data *b)
 {
-   const struct brw_vs_prog_data *a = in_a;
-   const struct brw_vs_prog_data *b = in_b;
-
    /* Compare all the struct up to the pointers. */
-   if (memcmp(a, b, offsetof(struct brw_vs_prog_data, param)))
+   if (memcmp(a, b, offsetof(struct brw_vec4_prog_data, param)))
       return false;
 
    if (memcmp(a->param, b->param, a->nr_params * sizeof(void *)))
@@ -217,6 +215,28 @@ brw_vs_prog_data_compare(const void *in_a, const void *in_b,
    return true;
 }
 
+
+bool
+brw_vs_prog_data_compare(const void *in_a, const void *in_b,
+                         int aux_size, const void *in_key)
+{
+   const struct brw_vs_prog_data *a = in_a;
+   const struct brw_vs_prog_data *b = in_b;
+
+   /* Compare the base vec4 structure. */
+   if (!brw_vec4_prog_data_compare(&a->base, &b->base))
+      return false;
+
+   /* Compare the rest of the struct. */
+   const unsigned offset = sizeof(struct brw_vec4_prog_data);
+   if (memcmp(((char *) &a) + offset, ((char *) &b) + offset,
+              sizeof(struct brw_vs_prog_data) - offset)) {
+      return false;
+   }
+
+   return true;
+}
+
 static bool
 do_vs_prog(struct brw_context *brw,
 	   struct gl_shader_program *prog,
@@ -261,8 +281,8 @@ do_vs_prog(struct brw_context *brw,
    /* We also upload clip plane data as uniforms */
    param_count += MAX_CLIP_PLANES * 4;
 
-   prog_data.param = rzalloc_array(NULL, const float *, param_count);
-   prog_data.pull_param = rzalloc_array(NULL, const float *, param_count);
+   prog_data.base.param = rzalloc_array(NULL, const float *, param_count);
+   prog_data.base.pull_param = rzalloc_array(NULL, const float *, param_count);
 
    GLbitfield64 outputs_written = vp->program.Base.OutputsWritten;
    prog_data.inputs_read = vp->program.Base.InputsRead;
@@ -285,7 +305,7 @@ do_vs_prog(struct brw_context *brw,
       }
    }
 
-   brw_compute_vue_map(brw, &prog_data.vue_map, outputs_written,
+   brw_compute_vue_map(brw, &prog_data.base.vue_map, outputs_written,
                        c.key.base.userclip_active);
 
    if (0) {
@@ -301,13 +321,13 @@ do_vs_prog(struct brw_context *brw,
       return false;
    }
 
-   if (prog_data.nr_pull_params)
-      prog_data.num_surfaces = 1;
+   if (prog_data.base.nr_pull_params)
+      prog_data.base.num_surfaces = 1;
    if (c.vp->program.Base.SamplersUsed)
-      prog_data.num_surfaces = SURF_INDEX_VS_TEXTURE(BRW_MAX_TEX_UNIT);
+      prog_data.base.num_surfaces = SURF_INDEX_VS_TEXTURE(BRW_MAX_TEX_UNIT);
    if (prog &&
        prog->_LinkedShaders[MESA_SHADER_VERTEX]->NumUniformBlocks) {
-      prog_data.num_surfaces =
+      prog_data.base.num_surfaces =
 	 SURF_INDEX_VS_UBO(prog->_LinkedShaders[MESA_SHADER_VERTEX]->NumUniformBlocks);
    }
 
@@ -317,10 +337,11 @@ do_vs_prog(struct brw_context *brw,
                  "Try reducing the number of live vec4 values to "
                  "improve performance.\n");
 
-      prog_data.total_scratch = brw_get_scratch_size(c.base.last_scratch*REG_SIZE);
+      prog_data.base.total_scratch
+         = brw_get_scratch_size(c.base.last_scratch*REG_SIZE);
 
       brw_get_scratch_bo(intel, &brw->vs.scratch_bo,
-			 prog_data.total_scratch * brw->max_vs_threads);
+			 prog_data.base.total_scratch * brw->max_vs_threads);
    }
 
    brw_upload_cache(&brw->cache, BRW_VS_PROG,
@@ -503,9 +524,9 @@ static void brw_upload_vs_prog(struct brw_context *brw)
 
       assert(success);
    }
-   if (memcmp(&brw->vs.prog_data->vue_map, &brw->vue_map_geom_out,
+   if (memcmp(&brw->vs.prog_data->base.vue_map, &brw->vue_map_geom_out,
               sizeof(brw->vue_map_geom_out)) != 0) {
-      brw->vue_map_geom_out = brw->vs.prog_data->vue_map;
+      brw->vue_map_geom_out = brw->vs.prog_data->base.vue_map;
       brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
    }
 }
@@ -564,11 +585,19 @@ brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
    return success;
 }
 
+
+void
+brw_vec4_prog_data_free(const struct brw_vec4_prog_data *prog_data)
+{
+   ralloc_free((void *)prog_data->param);
+   ralloc_free((void *)prog_data->pull_param);
+}
+
+
 void
 brw_vs_prog_data_free(const void *in_prog_data)
 {
    const struct brw_vs_prog_data *prog_data = in_prog_data;
 
-   ralloc_free((void *)prog_data->param);
-   ralloc_free((void *)prog_data->pull_param);
+   brw_vec4_prog_data_free(&prog_data->base);
 }
diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index e1c6ed0..ba83f6d 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -130,8 +130,11 @@ bool brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog);
 void brw_vs_debug_recompile(struct brw_context *brw,
                             struct gl_shader_program *prog,
                             const struct brw_vs_prog_key *key);
+bool brw_vec4_prog_data_compare(const struct brw_vec4_prog_data *a,
+                                const struct brw_vec4_prog_data *b);
 bool brw_vs_prog_data_compare(const void *a, const void *b,
                               int aux_size, const void *key);
+void brw_vec4_prog_data_free(const struct brw_vec4_prog_data *prog_data);
 void brw_vs_prog_data_free(const void *in_prog_data);
 
 #endif
diff --git a/src/mesa/drivers/dri/i965/brw_vs_state.c b/src/mesa/drivers/dri/i965/brw_vs_state.c
index a72a283..f96a6d8 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_state.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_state.c
@@ -47,7 +47,8 @@ brw_upload_vs_unit(struct brw_context *brw)
    memset(vs, 0, sizeof(*vs));
 
    /* BRW_NEW_PROGRAM_CACHE | CACHE_NEW_VS_PROG */
-   vs->thread0.grf_reg_count = ALIGN(brw->vs.prog_data->total_grf, 16) / 16 - 1;
+   vs->thread0.grf_reg_count =
+      ALIGN(brw->vs.prog_data->base.total_grf, 16) / 16 - 1;
    vs->thread0.kernel_start_pointer =
       brw_program_reloc(brw,
 			brw->vs.state_offset +
@@ -72,18 +73,19 @@ brw_upload_vs_unit(struct brw_context *brw)
 
    vs->thread1.binding_table_entry_count = 0;
 
-   if (brw->vs.prog_data->total_scratch != 0) {
+   if (brw->vs.prog_data->base.total_scratch != 0) {
       vs->thread2.scratch_space_base_pointer =
 	 brw->vs.scratch_bo->offset >> 10; /* reloc */
       vs->thread2.per_thread_scratch_space =
-	 ffs(brw->vs.prog_data->total_scratch) - 11;
+	 ffs(brw->vs.prog_data->base.total_scratch) - 11;
    } else {
       vs->thread2.scratch_space_base_pointer = 0;
       vs->thread2.per_thread_scratch_space = 0;
    }
 
    vs->thread3.urb_entry_read_length = brw->vs.prog_data->urb_read_length;
-   vs->thread3.const_urb_entry_read_length = brw->vs.prog_data->curb_read_length;
+   vs->thread3.const_urb_entry_read_length
+      = brw->vs.prog_data->base.curb_read_length;
    vs->thread3.dispatch_grf_start_reg = 1;
    vs->thread3.urb_entry_read_offset = 0;
 
@@ -144,7 +146,7 @@ brw_upload_vs_unit(struct brw_context *brw)
    vs->vs6.vs_enable = 1;
 
    /* Emit scratch space relocation */
-   if (brw->vs.prog_data->total_scratch != 0) {
+   if (brw->vs.prog_data->base.total_scratch != 0) {
       drm_intel_bo_emit_reloc(intel->batch.bo,
 			      brw->vs.state_offset +
 			      offsetof(struct brw_vs_unit_state, thread2),
diff --git a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
index 675a84c..968cc03 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
@@ -56,7 +56,7 @@ brw_upload_vs_pull_constants(struct brw_context *brw)
    _mesa_load_state_parameters(&brw->intel.ctx, vp->program.Base.Parameters);
 
    /* CACHE_NEW_VS_PROG */
-   if (!brw->vs.prog_data->nr_pull_params) {
+   if (!brw->vs.prog_data->base.nr_pull_params) {
       if (brw->vs.const_bo) {
 	 drm_intel_bo_unreference(brw->vs.const_bo);
 	 brw->vs.const_bo = NULL;
@@ -68,19 +68,20 @@ brw_upload_vs_pull_constants(struct brw_context *brw)
 
    /* _NEW_PROGRAM_CONSTANTS */
    drm_intel_bo_unreference(brw->vs.const_bo);
-   uint32_t size = brw->vs.prog_data->nr_pull_params * 4;
+   uint32_t size = brw->vs.prog_data->base.nr_pull_params * 4;
    brw->vs.const_bo = drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer",
 					 size, 64);
 
    drm_intel_gem_bo_map_gtt(brw->vs.const_bo);
-   for (i = 0; i < brw->vs.prog_data->nr_pull_params; i++) {
+   for (i = 0; i < brw->vs.prog_data->base.nr_pull_params; i++) {
       memcpy(brw->vs.const_bo->virtual + i * 4,
-	     brw->vs.prog_data->pull_param[i],
+	     brw->vs.prog_data->base.pull_param[i],
 	     4);
    }
 
    if (0) {
-      for (i = 0; i < ALIGN(brw->vs.prog_data->nr_pull_params, 4) / 4; i++) {
+      for (i = 0; i < ALIGN(brw->vs.prog_data->base.nr_pull_params, 4) / 4;
+           i++) {
 	 float *row = (float *)brw->vs.const_bo->virtual + i * 4;
 	 printf("vs const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
 		i, row[0], row[1], row[2], row[3]);
@@ -142,14 +143,15 @@ brw_vs_upload_binding_table(struct brw_context *brw)
    if (INTEL_DEBUG & DEBUG_SHADER_TIME) {
       gen7_create_shader_time_surface(brw, &brw->vs.surf_offset[SURF_INDEX_VS_SHADER_TIME]);
 
-      assert(brw->vs.prog_data->num_surfaces <= SURF_INDEX_VS_SHADER_TIME);
-      brw->vs.prog_data->num_surfaces = SURF_INDEX_VS_SHADER_TIME;
+      assert(brw->vs.prog_data->base.num_surfaces
+             <= SURF_INDEX_VS_SHADER_TIME);
+      brw->vs.prog_data->base.num_surfaces = SURF_INDEX_VS_SHADER_TIME;
    }
 
    /* CACHE_NEW_VS_PROG: Skip making a binding table if we don't use textures or
     * pull constants.
     */
-   if (brw->vs.prog_data->num_surfaces == 0) {
+   if (brw->vs.prog_data->base.num_surfaces == 0) {
       if (brw->vs.bind_bo_offset != 0) {
 	 brw->state.dirty.brw |= BRW_NEW_VS_BINDING_TABLE;
 	 brw->vs.bind_bo_offset = 0;
diff --git a/src/mesa/drivers/dri/i965/gen6_vs_state.c b/src/mesa/drivers/dri/i965/gen6_vs_state.c
index fb05354..13b521b 100644
--- a/src/mesa/drivers/dri/i965/gen6_vs_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_vs_state.c
@@ -49,7 +49,7 @@ gen6_upload_vs_push_constants(struct brw_context *brw)
    _mesa_load_state_parameters(ctx, vp->program.Base.Parameters);
 
    /* CACHE_NEW_VS_PROG */
-   if (brw->vs.prog_data->nr_params == 0) {
+   if (brw->vs.prog_data->base.nr_params == 0) {
       brw->vs.push_const_size = 0;
    } else {
       int params_uploaded;
@@ -57,7 +57,7 @@ gen6_upload_vs_push_constants(struct brw_context *brw)
       int i;
 
       param = brw_state_batch(brw, AUB_TRACE_VS_CONSTANTS,
-			      brw->vs.prog_data->nr_params * sizeof(float),
+			      brw->vs.prog_data->base.nr_params * sizeof(float),
 			      32, &brw->vs.push_const_offset);
 
       /* _NEW_PROGRAM_CONSTANTS
@@ -66,10 +66,10 @@ gen6_upload_vs_push_constants(struct brw_context *brw)
        * side effect of dereferencing uniforms, so _NEW_PROGRAM_CONSTANTS
        * wouldn't be set for them.
       */
-      for (i = 0; i < brw->vs.prog_data->nr_params; i++) {
-         param[i] = *brw->vs.prog_data->param[i];
+      for (i = 0; i < brw->vs.prog_data->base.nr_params; i++) {
+         param[i] = *brw->vs.prog_data->base.param[i];
       }
-      params_uploaded = brw->vs.prog_data->nr_params / 4;
+      params_uploaded = brw->vs.prog_data->base.nr_params / 4;
 
       if (0) {
 	 printf("VS constant buffer:\n");
@@ -148,10 +148,10 @@ upload_vs_state(struct brw_context *brw)
    OUT_BATCH(floating_point_mode |
 	     ((ALIGN(brw->sampler.count, 4)/4) << GEN6_VS_SAMPLER_COUNT_SHIFT));
 
-   if (brw->vs.prog_data->total_scratch) {
+   if (brw->vs.prog_data->base.total_scratch) {
       OUT_RELOC(brw->vs.scratch_bo,
 		I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
-		ffs(brw->vs.prog_data->total_scratch) - 11);
+		ffs(brw->vs.prog_data->base.total_scratch) - 11);
    } else {
       OUT_BATCH(0);
    }
diff --git a/src/mesa/drivers/dri/i965/gen7_vs_state.c b/src/mesa/drivers/dri/i965/gen7_vs_state.c
index e8be4f2..b8aef57 100644
--- a/src/mesa/drivers/dri/i965/gen7_vs_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_vs_state.c
@@ -89,10 +89,10 @@ upload_vs_state(struct brw_context *brw)
    OUT_BATCH(floating_point_mode |
 	     ((ALIGN(brw->sampler.count, 4)/4) << GEN6_VS_SAMPLER_COUNT_SHIFT));
 
-   if (brw->vs.prog_data->total_scratch) {
+   if (brw->vs.prog_data->base.total_scratch) {
       OUT_RELOC(brw->vs.scratch_bo,
 		I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
-		ffs(brw->vs.prog_data->total_scratch) - 11);
+		ffs(brw->vs.prog_data->base.total_scratch) - 11);
    } else {
       OUT_BATCH(0);
    }
-- 
1.8.2



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