i965: use pack/unpackDouble lowering
[mesa.git] / src / gallium / drivers / ilo / ilo_render_dynamic.c
index fda50dc7c80e2397a3134bbda4c4a32cb3fc98bf..813b80aa87cb47c913a47abc3328c07403836705 100644 (file)
  *    Chia-I Wu <olv@lunarg.com>
  */
 
+#include "core/ilo_builder_3d.h"
+#include "core/ilo_builder_media.h"
+
 #include "ilo_common.h"
 #include "ilo_blitter.h"
-#include "ilo_builder_3d.h"
+#include "ilo_shader.h"
 #include "ilo_state.h"
 #include "ilo_render_gen.h"
 
 static void
 gen6_emit_draw_dynamic_viewports(struct ilo_render *r,
                                  const struct ilo_state_vector *vec,
-                                 struct gen6_draw_session *session)
+                                 struct ilo_render_draw_session *session)
 {
    ILO_DEV_ASSERT(r->dev, 6, 6);
 
-   /* SF_VIEWPORT, CLIP_VIEWPORT, and CC_VIEWPORT */
-   if (DIRTY(VIEWPORT)) {
+   /* CLIP_VIEWPORT, SF_VIEWPORT, and CC_VIEWPORT */
+   if ((session->vp_delta.dirty & (ILO_STATE_VIEWPORT_SF_CLIP_VIEWPORT |
+                                   ILO_STATE_VIEWPORT_CC_VIEWPORT)) ||
+       r->state_bo_changed) {
       r->state.CLIP_VIEWPORT = gen6_CLIP_VIEWPORT(r->builder,
-            vec->viewport.cso, vec->viewport.count);
-
-      r->state.SF_VIEWPORT = gen6_SF_VIEWPORT(r->builder,
-            vec->viewport.cso, vec->viewport.count);
-
-      r->state.CC_VIEWPORT = gen6_CC_VIEWPORT(r->builder,
-            vec->viewport.cso, vec->viewport.count);
+            &vec->viewport.vp);
+      r->state.SF_VIEWPORT = gen6_SF_VIEWPORT(r->builder, &vec->viewport.vp);
+      r->state.CC_VIEWPORT = gen6_CC_VIEWPORT(r->builder, &vec->viewport.vp);
 
       session->viewport_changed = true;
    }
@@ -58,17 +59,17 @@ gen6_emit_draw_dynamic_viewports(struct ilo_render *r,
 static void
 gen7_emit_draw_dynamic_viewports(struct ilo_render *r,
                                  const struct ilo_state_vector *vec,
-                                 struct gen6_draw_session *session)
+                                 struct ilo_render_draw_session *session)
 {
-   ILO_DEV_ASSERT(r->dev, 7, 7.5);
+   ILO_DEV_ASSERT(r->dev, 7, 8);
 
    /* SF_CLIP_VIEWPORT and CC_VIEWPORT */
-   if (DIRTY(VIEWPORT)) {
+   if ((session->vp_delta.dirty & (ILO_STATE_VIEWPORT_SF_CLIP_VIEWPORT |
+                                   ILO_STATE_VIEWPORT_CC_VIEWPORT)) ||
+       r->state_bo_changed) {
       r->state.SF_CLIP_VIEWPORT = gen7_SF_CLIP_VIEWPORT(r->builder,
-            vec->viewport.cso, vec->viewport.count);
-
-      r->state.CC_VIEWPORT = gen6_CC_VIEWPORT(r->builder,
-            vec->viewport.cso, vec->viewport.count);
+            &vec->viewport.vp);
+      r->state.CC_VIEWPORT = gen6_CC_VIEWPORT(r->builder, &vec->viewport.vp);
 
       session->viewport_changed = true;
    }
@@ -77,15 +78,15 @@ gen7_emit_draw_dynamic_viewports(struct ilo_render *r,
 static void
 gen6_emit_draw_dynamic_scissors(struct ilo_render *r,
                                 const struct ilo_state_vector *vec,
-                                struct gen6_draw_session *session)
+                                struct ilo_render_draw_session *session)
 {
-   ILO_DEV_ASSERT(r->dev, 6, 7.5);
+   ILO_DEV_ASSERT(r->dev, 6, 8);
 
    /* SCISSOR_RECT */
-   if (DIRTY(SCISSOR) || DIRTY(VIEWPORT)) {
-      /* there should be as many scissors as there are viewports */
+   if ((session->vp_delta.dirty & ILO_STATE_VIEWPORT_SCISSOR_RECT) ||
+       r->state_bo_changed) {
       r->state.SCISSOR_RECT = gen6_SCISSOR_RECT(r->builder,
-            &vec->scissor, vec->viewport.count);
+            &vec->viewport.vp);
 
       session->scissor_changed = true;
    }
@@ -94,32 +95,35 @@ gen6_emit_draw_dynamic_scissors(struct ilo_render *r,
 static void
 gen6_emit_draw_dynamic_cc(struct ilo_render *r,
                           const struct ilo_state_vector *vec,
-                          struct gen6_draw_session *session)
+                          struct ilo_render_draw_session *session)
 {
-   ILO_DEV_ASSERT(r->dev, 6, 7.5);
+   ILO_DEV_ASSERT(r->dev, 6, 8);
 
    /* BLEND_STATE */
-   if (DIRTY(BLEND) || DIRTY(FB) || DIRTY(DSA)) {
-      r->state.BLEND_STATE = gen6_BLEND_STATE(r->builder,
-            vec->blend, &vec->fb, vec->dsa);
+   if ((session->cc_delta.dirty & ILO_STATE_CC_BLEND_STATE) ||
+        r->state_bo_changed) {
+      if (ilo_dev_gen(r->dev) >= ILO_GEN(8))
+         r->state.BLEND_STATE = gen8_BLEND_STATE(r->builder, &vec->blend->cc);
+      else
+         r->state.BLEND_STATE = gen6_BLEND_STATE(r->builder, &vec->blend->cc);
 
       session->blend_changed = true;
    }
 
    /* COLOR_CALC_STATE */
-   if (DIRTY(DSA) || DIRTY(STENCIL_REF) || DIRTY(BLEND_COLOR)) {
+   if ((session->cc_delta.dirty & ILO_STATE_CC_COLOR_CALC_STATE) ||
+       r->state_bo_changed) {
       r->state.COLOR_CALC_STATE =
-         gen6_COLOR_CALC_STATE(r->builder, &vec->stencil_ref,
-               vec->dsa->alpha_ref, &vec->blend_color);
-
+         gen6_COLOR_CALC_STATE(r->builder, &vec->blend->cc);
       session->cc_changed = true;
    }
 
    /* DEPTH_STENCIL_STATE */
-   if (DIRTY(DSA)) {
+   if (ilo_dev_gen(r->dev) < ILO_GEN(8) &&
+       ((session->cc_delta.dirty & ILO_STATE_CC_DEPTH_STENCIL_STATE) ||
+        r->state_bo_changed)) {
       r->state.DEPTH_STENCIL_STATE =
-         gen6_DEPTH_STENCIL_STATE(r->builder, vec->dsa);
-
+         gen6_DEPTH_STENCIL_STATE(r->builder, &vec->blend->cc);
       session->dsa_changed = true;
    }
 }
@@ -128,43 +132,47 @@ static void
 gen6_emit_draw_dynamic_samplers(struct ilo_render *r,
                                 const struct ilo_state_vector *vec,
                                 int shader_type,
-                                struct gen6_draw_session *session)
+                                struct ilo_render_draw_session *session)
 {
-   const struct ilo_sampler_cso * const *samplers =
-      vec->sampler[shader_type].cso;
-   const struct pipe_sampler_view * const *views =
-      (const struct pipe_sampler_view **) vec->view[shader_type].states;
-   const int num_samplers = vec->sampler[shader_type].count;
-   const int num_views = vec->view[shader_type].count;
+   const struct ilo_view_cso * const *views =
+      (const struct ilo_view_cso **) vec->view[shader_type].states;
+   struct ilo_state_sampler samplers[ILO_MAX_SAMPLERS];
    uint32_t *sampler_state, *border_color_state;
+   int sampler_count, i;
    bool emit_border_color = false;
    bool skip = false;
 
-   ILO_DEV_ASSERT(r->dev, 6, 7.5);
+   ILO_DEV_ASSERT(r->dev, 6, 8);
 
    /* SAMPLER_BORDER_COLOR_STATE and SAMPLER_STATE */
    switch (shader_type) {
    case PIPE_SHADER_VERTEX:
-      if (DIRTY(SAMPLER_VS) || DIRTY(VIEW_VS)) {
+      if (DIRTY(VS) || DIRTY(SAMPLER_VS) || DIRTY(VIEW_VS)) {
          sampler_state = &r->state.vs.SAMPLER_STATE;
          border_color_state = r->state.vs.SAMPLER_BORDER_COLOR_STATE;
 
-         if (DIRTY(SAMPLER_VS))
+         if (DIRTY(VS) || DIRTY(SAMPLER_VS))
             emit_border_color = true;
 
+         sampler_count = (vec->vs) ? ilo_shader_get_kernel_param(vec->vs,
+               ILO_KERNEL_SAMPLER_COUNT) : 0;
+
          session->sampler_vs_changed = true;
       } else {
          skip = true;
       }
       break;
    case PIPE_SHADER_FRAGMENT:
-      if (DIRTY(SAMPLER_FS) || DIRTY(VIEW_FS)) {
+      if (DIRTY(FS) || DIRTY(SAMPLER_FS) || DIRTY(VIEW_FS)) {
          sampler_state = &r->state.wm.SAMPLER_STATE;
          border_color_state = r->state.wm.SAMPLER_BORDER_COLOR_STATE;
 
-         if (DIRTY(SAMPLER_FS))
+         if (DIRTY(VS) || DIRTY(SAMPLER_FS))
             emit_border_color = true;
 
+         sampler_count = (vec->fs) ? ilo_shader_get_kernel_param(vec->fs,
+               ILO_KERNEL_SAMPLER_COUNT) : 0;
+
          session->sampler_fs_changed = true;
       } else {
          skip = true;
@@ -178,28 +186,40 @@ gen6_emit_draw_dynamic_samplers(struct ilo_render *r,
    if (skip)
       return;
 
+   assert(sampler_count <= ARRAY_SIZE(vec->view[shader_type].states) &&
+          sampler_count <= ARRAY_SIZE(vec->sampler[shader_type].cso));
+
    if (emit_border_color) {
-      int i;
+      for (i = 0; i < sampler_count; i++) {
+         const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
 
-      for (i = 0; i < num_samplers; i++) {
-         border_color_state[i] = (samplers[i]) ?
-            gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, samplers[i]) : 0;
+         border_color_state[i] = (cso) ?
+            gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, &cso->border) : 0;
       }
    }
 
-   /* should we take the minimum of num_samplers and num_views? */
-   *sampler_state = gen6_SAMPLER_STATE(r->builder,
-         samplers, views,
-         border_color_state,
-         MIN2(num_samplers, num_views));
+   for (i = 0; i < sampler_count; i++) {
+      const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+      if (cso && views[i]) {
+         samplers[i] = cso->sampler;
+         ilo_state_sampler_set_surface(&samplers[i],
+               r->dev, &views[i]->surface);
+      } else {
+         samplers[i] = vec->disabled_sampler;
+      }
+   }
+
+   *sampler_state = gen6_SAMPLER_STATE(r->builder, samplers,
+         border_color_state, sampler_count);
 }
 
 static void
 gen6_emit_draw_dynamic_pcb(struct ilo_render *r,
                            const struct ilo_state_vector *vec,
-                           struct gen6_draw_session *session)
+                           struct ilo_render_draw_session *session)
 {
-   ILO_DEV_ASSERT(r->dev, 6, 7.5);
+   ILO_DEV_ASSERT(r->dev, 6, 8);
 
    /* push constant buffer for VS */
    if (DIRTY(VS) || DIRTY(CBUF) || DIRTY(CLIP)) {
@@ -222,13 +242,13 @@ gen6_emit_draw_dynamic_pcb(struct ilo_render *r,
             const struct ilo_cbuf_state *cbuf =
                &vec->cbuf[PIPE_SHADER_VERTEX];
 
-            if (cbuf0_size <= cbuf->cso[0].user_buffer_size) {
+            if (cbuf0_size <= cbuf->cso[0].info.size) {
                memcpy(pcb, cbuf->cso[0].user_buffer, cbuf0_size);
             } else {
                memcpy(pcb, cbuf->cso[0].user_buffer,
-                     cbuf->cso[0].user_buffer_size);
-               memset(pcb + cbuf->cso[0].user_buffer_size, 0,
-                     cbuf0_size - cbuf->cso[0].user_buffer_size);
+                     cbuf->cso[0].info.size);
+               memset(pcb + cbuf->cso[0].info.size, 0,
+                     cbuf0_size - cbuf->cso[0].info.size);
             }
 
             pcb += cbuf0_size;
@@ -259,13 +279,13 @@ gen6_emit_draw_dynamic_pcb(struct ilo_render *r,
             gen6_push_constant_buffer(r->builder, cbuf0_size, &pcb);
          r->state.wm.PUSH_CONSTANT_BUFFER_size = cbuf0_size;
 
-         if (cbuf0_size <= cbuf->cso[0].user_buffer_size) {
+         if (cbuf0_size <= cbuf->cso[0].info.size) {
             memcpy(pcb, cbuf->cso[0].user_buffer, cbuf0_size);
          } else {
             memcpy(pcb, cbuf->cso[0].user_buffer,
-                  cbuf->cso[0].user_buffer_size);
-            memset(pcb + cbuf->cso[0].user_buffer_size, 0,
-                  cbuf0_size - cbuf->cso[0].user_buffer_size);
+                  cbuf->cso[0].info.size);
+            memset(pcb + cbuf->cso[0].info.size, 0,
+                  cbuf0_size - cbuf->cso[0].info.size);
          }
 
          session->pcb_fs_changed = true;
@@ -287,7 +307,7 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
    static int static_len;
    int sh_type, len;
 
-   ILO_DEV_ASSERT(render->dev, 6, 7.5);
+   ILO_DEV_ASSERT(render->dev, 6, 8);
 
    if (!static_len) {
       /* 64 bytes, or 16 dwords */
@@ -297,22 +317,23 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
       len = alignment - 1;
 
       /* CC states */
-      len += align(GEN6_BLEND_STATE__SIZE * ILO_MAX_DRAW_BUFFERS, alignment);
-      len += align(GEN6_DEPTH_STENCIL_STATE__SIZE, alignment);
+      len += align(GEN6_BLEND_STATE__SIZE, alignment);
       len += align(GEN6_COLOR_CALC_STATE__SIZE, alignment);
+      if (ilo_dev_gen(render->dev) < ILO_GEN(8))
+         len += align(GEN6_DEPTH_STENCIL_STATE__SIZE, alignment);
 
       /* viewport arrays */
       if (ilo_dev_gen(render->dev) >= ILO_GEN(7)) {
          len += 15 + /* pad first */
-            align(GEN7_SF_CLIP_VIEWPORT__SIZE * ILO_MAX_VIEWPORTS, 16) +
-            align(GEN6_CC_VIEWPORT__SIZE * ILO_MAX_VIEWPORTS, 8) +
-            align(GEN6_SCISSOR_RECT__SIZE * ILO_MAX_VIEWPORTS, 8);
+            align(GEN7_SF_CLIP_VIEWPORT__SIZE, 16) +
+            align(GEN6_CC_VIEWPORT__SIZE, 8) +
+            align(GEN6_SCISSOR_RECT__SIZE, 8);
       } else {
          len += 7 + /* pad first */
-            align(GEN6_SF_VIEWPORT__SIZE * ILO_MAX_VIEWPORTS, 8) +
-            align(GEN6_CLIP_VIEWPORT__SIZE * ILO_MAX_VIEWPORTS, 8) +
-            align(GEN6_CC_VIEWPORT__SIZE * ILO_MAX_VIEWPORTS, 8) +
-            align(GEN6_SCISSOR_RECT__SIZE * ILO_MAX_VIEWPORTS, 8);
+            align(GEN6_SF_VIEWPORT__SIZE, 8) +
+            align(GEN6_CLIP_VIEWPORT__SIZE, 8) +
+            align(GEN6_CC_VIEWPORT__SIZE, 8) +
+            align(GEN6_SCISSOR_RECT__SIZE, 8);
       }
 
       static_len = len;
@@ -322,14 +343,13 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
 
    for (sh_type = 0; sh_type < PIPE_SHADER_TYPES; sh_type++) {
       const int alignment = 32 / 4;
-      int num_samplers, pcb_len;
-
-      num_samplers = vec->sampler[sh_type].count;
-      pcb_len = 0;
+      int num_samplers = 0, pcb_len = 0;
 
       switch (sh_type) {
       case PIPE_SHADER_VERTEX:
          if (vec->vs) {
+            num_samplers = ilo_shader_get_kernel_param(vec->vs,
+                  ILO_KERNEL_SAMPLER_COUNT);
             pcb_len = ilo_shader_get_kernel_param(vec->vs,
                   ILO_KERNEL_PCB_CBUF0_SIZE);
             pcb_len += ilo_shader_get_kernel_param(vec->vs,
@@ -340,6 +360,8 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
          break;
       case PIPE_SHADER_FRAGMENT:
          if (vec->fs) {
+            num_samplers = ilo_shader_get_kernel_param(vec->fs,
+                  ILO_KERNEL_SAMPLER_COUNT);
             pcb_len = ilo_shader_get_kernel_param(vec->fs,
                   ILO_KERNEL_PCB_CBUF0_SIZE);
          }
@@ -350,8 +372,18 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
 
       /* SAMPLER_STATE array and SAMPLER_BORDER_COLORs */
       if (num_samplers) {
-         len += align(GEN6_SAMPLER_STATE__SIZE * num_samplers, alignment) +
-            align(GEN6_SAMPLER_BORDER_COLOR__SIZE, alignment) * num_samplers;
+         /* prefetches are done in multiples of 4 */
+         num_samplers = align(num_samplers, 4);
+
+         len += align(GEN6_SAMPLER_STATE__SIZE * num_samplers, alignment);
+
+         if (ilo_dev_gen(render->dev) >= ILO_GEN(8)) {
+            len += align(GEN6_SAMPLER_BORDER_COLOR_STATE__SIZE, 64 / 4) *
+               num_samplers;
+         } else {
+            len += align(GEN6_SAMPLER_BORDER_COLOR_STATE__SIZE, alignment) *
+               num_samplers;
+         }
       }
 
       /* PCB */
@@ -365,11 +397,11 @@ ilo_render_get_draw_dynamic_states_len(const struct ilo_render *render,
 void
 ilo_render_emit_draw_dynamic_states(struct ilo_render *render,
                                     const struct ilo_state_vector *vec,
-                                    struct gen6_draw_session *session)
+                                    struct ilo_render_draw_session *session)
 {
    const unsigned dynamic_used = ilo_builder_dynamic_used(render->builder);
 
-   ILO_DEV_ASSERT(render->dev, 6, 7.5);
+   ILO_DEV_ASSERT(render->dev, 6, 8);
 
    if (ilo_dev_gen(render->dev) >= ILO_GEN(7))
       gen7_emit_draw_dynamic_viewports(render, vec, session);
@@ -393,35 +425,181 @@ int
 ilo_render_get_rectlist_dynamic_states_len(const struct ilo_render *render,
                                            const struct ilo_blitter *blitter)
 {
-   ILO_DEV_ASSERT(render->dev, 6, 7.5);
+   ILO_DEV_ASSERT(render->dev, 6, 8);
 
-   return 64;
+   return (ilo_dev_gen(render->dev) >= ILO_GEN(8)) ? 0 : 96;
 }
 
 void
 ilo_render_emit_rectlist_dynamic_states(struct ilo_render *render,
-                                        const struct ilo_blitter *blitter)
+                                        const struct ilo_blitter *blitter,
+                                        struct ilo_render_rectlist_session *session)
 {
    const unsigned dynamic_used = ilo_builder_dynamic_used(render->builder);
 
-   ILO_DEV_ASSERT(render->dev, 6, 7.5);
+   ILO_DEV_ASSERT(render->dev, 6, 8);
+
+   if (ilo_dev_gen(render->dev) >= ILO_GEN(8))
+      return;
+
+   /* both are inclusive */
+   session->vb_start = gen6_user_vertex_buffer(render->builder,
+         sizeof(blitter->vertices), (const void *) blitter->vertices);
+   session->vb_end = session->vb_start + sizeof(blitter->vertices) - 1;
 
    if (blitter->uses & ILO_BLITTER_USE_DSA) {
       render->state.DEPTH_STENCIL_STATE =
-         gen6_DEPTH_STENCIL_STATE(render->builder, &blitter->dsa);
+         gen6_DEPTH_STENCIL_STATE(render->builder, &blitter->cc);
    }
 
    if (blitter->uses & ILO_BLITTER_USE_CC) {
       render->state.COLOR_CALC_STATE =
-         gen6_COLOR_CALC_STATE(render->builder, &blitter->cc.stencil_ref,
-               blitter->cc.alpha_ref, &blitter->cc.blend_color);
+         gen6_COLOR_CALC_STATE(render->builder, &blitter->cc);
    }
 
    if (blitter->uses & ILO_BLITTER_USE_VIEWPORT) {
       render->state.CC_VIEWPORT =
-         gen6_CC_VIEWPORT(render->builder, &blitter->viewport, 1);
+         gen6_CC_VIEWPORT(render->builder, &blitter->vp);
    }
 
    assert(ilo_builder_dynamic_used(render->builder) <= dynamic_used +
          ilo_render_get_rectlist_dynamic_states_len(render, blitter));
 }
+
+static void
+gen6_emit_launch_grid_dynamic_samplers(struct ilo_render *r,
+                                       const struct ilo_state_vector *vec,
+                                       struct ilo_render_launch_grid_session *session)
+{
+   const unsigned shader_type = PIPE_SHADER_COMPUTE;
+   const struct ilo_shader_state *cs = vec->cs;
+   const struct ilo_view_cso * const *views =
+      (const struct ilo_view_cso **) vec->view[shader_type].states;
+   struct ilo_state_sampler samplers[ILO_MAX_SAMPLERS];
+   int sampler_count, i;
+
+   ILO_DEV_ASSERT(r->dev, 7, 7.5);
+
+   sampler_count = ilo_shader_get_kernel_param(cs, ILO_KERNEL_SAMPLER_COUNT);
+
+   assert(sampler_count <= ARRAY_SIZE(vec->view[shader_type].states) &&
+          sampler_count <= ARRAY_SIZE(vec->sampler[shader_type].cso));
+
+   for (i = 0; i < sampler_count; i++) {
+      const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+      r->state.cs.SAMPLER_BORDER_COLOR_STATE[i] = (cso) ?
+         gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, &cso->border) : 0;
+   }
+
+   for (i = 0; i < sampler_count; i++) {
+      const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+      if (cso && views[i]) {
+         samplers[i] = cso->sampler;
+         ilo_state_sampler_set_surface(&samplers[i],
+               r->dev, &views[i]->surface);
+      } else {
+         samplers[i] = vec->disabled_sampler;
+      }
+   }
+
+   r->state.cs.SAMPLER_STATE = gen6_SAMPLER_STATE(r->builder, samplers,
+         r->state.cs.SAMPLER_BORDER_COLOR_STATE, sampler_count);
+}
+
+static void
+gen6_emit_launch_grid_dynamic_pcb(struct ilo_render *r,
+                                  const struct ilo_state_vector *vec,
+                                  struct ilo_render_launch_grid_session *session)
+{
+   r->state.cs.PUSH_CONSTANT_BUFFER = 0;
+   r->state.cs.PUSH_CONSTANT_BUFFER_size = 0;
+}
+
+static void
+gen6_emit_launch_grid_dynamic_idrt(struct ilo_render *r,
+                                   const struct ilo_state_vector *vec,
+                                   struct ilo_render_launch_grid_session *session)
+{
+   const struct ilo_shader_state *cs = vec->cs;
+   struct ilo_state_compute_interface_info interface;
+   struct ilo_state_compute_info info;
+   uint32_t kernel_offset;
+
+   ILO_DEV_ASSERT(r->dev, 7, 7.5);
+
+   memset(&interface, 0, sizeof(interface));
+
+   interface.sampler_count =
+      ilo_shader_get_kernel_param(cs, ILO_KERNEL_SAMPLER_COUNT);
+   interface.surface_count =
+      ilo_shader_get_kernel_param(cs, ILO_KERNEL_SURFACE_TOTAL_COUNT);
+   interface.thread_group_size = session->thread_group_size;
+   interface.slm_size =
+      ilo_shader_get_kernel_param(cs, ILO_KERNEL_CS_LOCAL_SIZE);
+   interface.curbe_read_length = r->state.cs.PUSH_CONSTANT_BUFFER_size;
+
+   memset(&info, 0, sizeof(info));
+   info.data = session->compute_data;
+   info.data_size = sizeof(session->compute_data);
+   info.interfaces = &interface;
+   info.interface_count = 1;
+   info.cv_urb_alloc_size = r->dev->urb_size;
+   info.curbe_alloc_size = r->state.cs.PUSH_CONSTANT_BUFFER_size;
+
+   ilo_state_compute_init(&session->compute, r->dev, &info);
+
+   kernel_offset = ilo_shader_get_kernel_offset(cs);
+
+   session->idrt = gen6_INTERFACE_DESCRIPTOR_DATA(r->builder,
+         &session->compute, &kernel_offset,
+         &r->state.cs.SAMPLER_STATE, &r->state.cs.BINDING_TABLE_STATE);
+
+   session->idrt_size = 32;
+}
+
+int
+ilo_render_get_launch_grid_dynamic_states_len(const struct ilo_render *render,
+                                              const struct ilo_state_vector *vec)
+{
+   const int alignment = 32 / 4;
+   int num_samplers;
+   int len = 0;
+
+   ILO_DEV_ASSERT(render->dev, 7, 7.5);
+
+   num_samplers = ilo_shader_get_kernel_param(vec->cs,
+         ILO_KERNEL_SAMPLER_COUNT);
+
+   /* SAMPLER_STATE array and SAMPLER_BORDER_COLORs */
+   if (num_samplers) {
+      /* prefetches are done in multiples of 4 */
+      num_samplers = align(num_samplers, 4);
+
+      len += align(GEN6_SAMPLER_STATE__SIZE * num_samplers, alignment) +
+             align(GEN6_SAMPLER_BORDER_COLOR_STATE__SIZE, alignment) *
+             num_samplers;
+   }
+
+   len += GEN6_INTERFACE_DESCRIPTOR_DATA__SIZE;
+
+   return len;
+}
+
+void
+ilo_render_emit_launch_grid_dynamic_states(struct ilo_render *render,
+                                           const struct ilo_state_vector *vec,
+                                           struct ilo_render_launch_grid_session *session)
+{
+   const unsigned dynamic_used = ilo_builder_dynamic_used(render->builder);
+
+   ILO_DEV_ASSERT(render->dev, 7, 7.5);
+
+   gen6_emit_launch_grid_dynamic_samplers(render, vec, session);
+   gen6_emit_launch_grid_dynamic_pcb(render, vec, session);
+   gen6_emit_launch_grid_dynamic_idrt(render, vec, session);
+
+   assert(ilo_builder_dynamic_used(render->builder) <= dynamic_used +
+         ilo_render_get_launch_grid_dynamic_states_len(render, vec));
+}