From: Chia-I Wu <olvaffe@gmail.com>
Date: Thu, 18 Jun 2015 05:55:32 +0000 (+0800)
Subject: ilo: embed pipe_index_buffer in ilo_ib_state
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7b3432b62d25494b3662d12634e34d75e29ec865;p=mesa.git

ilo: embed pipe_index_buffer in ilo_ib_state

Make it obvious that we save a copy of pipe_index_buffer.
---

diff --git a/src/gallium/drivers/ilo/ilo_draw.c b/src/gallium/drivers/ilo/ilo_draw.c
index fc91fd312d2..e8e1a4cd14c 100644
--- a/src/gallium/drivers/ilo/ilo_draw.c
+++ b/src/gallium/drivers/ilo/ilo_draw.c
@@ -452,12 +452,12 @@ draw_vbo_with_sw_restart(struct ilo_context *ilo,
    } u;
 
    /* we will draw with IB mapped */
-   if (ib->buffer) {
-      u.ptr = intel_bo_map(ilo_buffer(ib->buffer)->bo, false);
+   if (ib->state.buffer) {
+      u.ptr = intel_bo_map(ilo_buffer(ib->state.buffer)->bo, false);
       if (u.ptr)
-         u.u8 += ib->offset;
+         u.u8 += ib->state.offset;
    } else {
-      u.ptr = ib->user_buffer;
+      u.ptr = ib->state.user_buffer;
    }
 
    if (!u.ptr)
@@ -483,7 +483,7 @@ draw_vbo_with_sw_restart(struct ilo_context *ilo,
       (pipe)->draw_vbo(pipe, &subinfo);                  \
 } while (0)
 
-   switch (ib->index_size) {
+   switch (ib->state.index_size) {
    case 1:
       DRAW_VBO_WITH_SW_RESTART(&ilo->base, info, u.u8);
       break;
@@ -500,8 +500,8 @@ draw_vbo_with_sw_restart(struct ilo_context *ilo,
 
 #undef DRAW_VBO_WITH_SW_RESTART
 
-   if (ib->buffer)
-      intel_bo_unmap(ilo_buffer(ib->buffer)->bo);
+   if (ib->state.buffer)
+      intel_bo_unmap(ilo_buffer(ib->state.buffer)->bo);
 }
 
 static bool
@@ -511,9 +511,9 @@ draw_vbo_need_sw_restart(const struct ilo_context *ilo,
    /* the restart index is fixed prior to GEN7.5 */
    if (ilo_dev_gen(ilo->dev) < ILO_GEN(7.5)) {
       const unsigned cut_index =
-         (ilo->state_vector.ib.index_size == 1) ? 0xff :
-         (ilo->state_vector.ib.index_size == 2) ? 0xffff :
-         (ilo->state_vector.ib.index_size == 4) ? 0xffffffff : 0;
+         (ilo->state_vector.ib.state.index_size == 1) ? 0xff :
+         (ilo->state_vector.ib.state.index_size == 2) ? 0xffff :
+         (ilo->state_vector.ib.state.index_size == 4) ? 0xffffffff : 0;
 
       if (info->restart_index < cut_index)
          return true;
diff --git a/src/gallium/drivers/ilo/ilo_state.c b/src/gallium/drivers/ilo/ilo_state.c
index 84fd7991c26..0b16f3b81b9 100644
--- a/src/gallium/drivers/ilo/ilo_state.c
+++ b/src/gallium/drivers/ilo/ilo_state.c
@@ -368,7 +368,8 @@ finalize_index_buffer(struct ilo_context *ilo)
 {
    struct ilo_state_vector *vec = &ilo->state_vector;
    const bool need_upload = (vec->draw->indexed &&
-         (vec->ib.user_buffer || vec->ib.offset % vec->ib.index_size));
+         (vec->ib.state.user_buffer ||
+          vec->ib.state.offset % vec->ib.state.index_size));
    struct pipe_resource *current_hw_res = NULL;
 
    if (!(vec->dirty & ILO_DIRTY_IB) && !need_upload)
@@ -377,45 +378,47 @@ finalize_index_buffer(struct ilo_context *ilo)
    pipe_resource_reference(&current_hw_res, vec->ib.hw_resource);
 
    if (need_upload) {
-      const unsigned offset = vec->ib.index_size * vec->draw->start;
-      const unsigned size = vec->ib.index_size * vec->draw->count;
+      const unsigned offset = vec->ib.state.index_size * vec->draw->start;
+      const unsigned size = vec->ib.state.index_size * vec->draw->count;
       unsigned hw_offset;
 
-      if (vec->ib.user_buffer) {
+      if (vec->ib.state.user_buffer) {
          u_upload_data(ilo->uploader, 0, size,
-               vec->ib.user_buffer + offset, &hw_offset, &vec->ib.hw_resource);
-      }
-      else {
-         u_upload_buffer(ilo->uploader, 0, vec->ib.offset + offset, size,
-               vec->ib.buffer, &hw_offset, &vec->ib.hw_resource);
+               vec->ib.state.user_buffer + offset,
+               &hw_offset, &vec->ib.hw_resource);
+      } else {
+         u_upload_buffer(ilo->uploader, 0,
+               vec->ib.state.offset + offset, size, vec->ib.state.buffer,
+               &hw_offset, &vec->ib.hw_resource);
       }
 
       /* the HW offset should be aligned */
-      assert(hw_offset % vec->ib.index_size == 0);
-      vec->ib.draw_start_offset = hw_offset / vec->ib.index_size;
+      assert(hw_offset % vec->ib.state.index_size == 0);
+      vec->ib.draw_start_offset = hw_offset / vec->ib.state.index_size;
 
       /*
        * INDEX[vec->draw->start] in the original buffer is INDEX[0] in the HW
        * resource
        */
       vec->ib.draw_start_offset -= vec->draw->start;
-   }
-   else {
-      pipe_resource_reference(&vec->ib.hw_resource, vec->ib.buffer);
+   } else {
+      pipe_resource_reference(&vec->ib.hw_resource, vec->ib.state.buffer);
 
       /* note that index size may be zero when the draw is not indexed */
-      if (vec->draw->indexed)
-         vec->ib.draw_start_offset = vec->ib.offset / vec->ib.index_size;
-      else
+      if (vec->draw->indexed) {
+         vec->ib.draw_start_offset =
+            vec->ib.state.offset / vec->ib.state.index_size;
+      } else {
          vec->ib.draw_start_offset = 0;
+      }
    }
 
    /* treat the IB as clean if the HW states do not change */
    if (vec->ib.hw_resource == current_hw_res &&
-       vec->ib.hw_index_size == vec->ib.index_size)
+       vec->ib.hw_index_size == vec->ib.state.index_size)
       vec->dirty &= ~ILO_DIRTY_IB;
    else
-      vec->ib.hw_index_size = vec->ib.index_size;
+      vec->ib.hw_index_size = vec->ib.state.index_size;
 
    pipe_resource_reference(&current_hw_res, NULL);
 }
@@ -1809,16 +1812,11 @@ ilo_set_index_buffer(struct pipe_context *pipe,
    struct ilo_state_vector *vec = &ilo_context(pipe)->state_vector;
 
    if (state) {
-      pipe_resource_reference(&vec->ib.buffer, state->buffer);
-      vec->ib.user_buffer = state->user_buffer;
-      vec->ib.offset = state->offset;
-      vec->ib.index_size = state->index_size;
-   }
-   else {
-      pipe_resource_reference(&vec->ib.buffer, NULL);
-      vec->ib.user_buffer = NULL;
-      vec->ib.offset = 0;
-      vec->ib.index_size = 0;
+      pipe_resource_reference(&vec->ib.state.buffer, state->buffer);
+      vec->ib.state = *state;
+   } else {
+      pipe_resource_reference(&vec->ib.state.buffer, NULL);
+      memset(&vec->ib.state, 0, sizeof(vec->ib.state));
    }
 
    vec->dirty |= ILO_DIRTY_IB;
@@ -2292,7 +2290,7 @@ ilo_state_vector_cleanup(struct ilo_state_vector *vec)
          pipe_resource_reference(&vec->vb.states[i].buffer, NULL);
    }
 
-   pipe_resource_reference(&vec->ib.buffer, NULL);
+   pipe_resource_reference(&vec->ib.state.buffer, NULL);
    pipe_resource_reference(&vec->ib.hw_resource, NULL);
 
    for (i = 0; i < vec->so.count; i++)
@@ -2355,7 +2353,7 @@ ilo_state_vector_resource_renamed(struct ilo_state_vector *vec,
          }
       }
 
-      if (vec->ib.buffer == res) {
+      if (vec->ib.state.buffer == res) {
          states |= ILO_DIRTY_IB;
 
          /*
diff --git a/src/gallium/drivers/ilo/ilo_state.h b/src/gallium/drivers/ilo/ilo_state.h
index 91c2a8d01dc..9ce7744948c 100644
--- a/src/gallium/drivers/ilo/ilo_state.h
+++ b/src/gallium/drivers/ilo/ilo_state.h
@@ -162,10 +162,7 @@ struct ilo_vb_state {
 };
 
 struct ilo_ib_state {
-   struct pipe_resource *buffer;
-   const void *user_buffer;
-   unsigned offset;
-   unsigned index_size;
+   struct pipe_index_buffer state;
 
    /* these are not valid until the state is finalized */
    struct pipe_resource *hw_resource;