Mesa (master): st/mesa: use 'array' local var to simplify the code a bit

[Brian Paul]

Module: Mesa
Branch: master
Commit: ed9396782e40a9a6106f0b3168e723de077c5587
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ed9396782e40a9a6106f0b3168e723de077c5587

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Apr  4 17:36:40 2011 -0600

st/mesa: use 'array' local var to simplify the code a bit

---

 src/mesa/state_tracker/st_draw.c |   57 ++++++++++++++++++-------------------
 1 files changed, 28 insertions(+), 29 deletions(-)

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 0eab4f7..7ed0b8e 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -253,8 +253,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
 
    for (attr = 0; attr < vpv->num_inputs; attr++) {
       const GLuint mesaAttr = vp->index_to_input[attr];
-      const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj;
-      const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */
+      const struct gl_client_array *array = arrays[mesaAttr];
+      const struct gl_buffer_object *bufObj = array->BufferObj;
+      const GLsizei stride = array->StrideB; /* in bytes */
 
       if (firstStride < 0) {
          firstStride = stride;
@@ -272,9 +273,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
             return GL_FALSE;
          }
          if (!client_addr) {
-            client_addr = arrays[mesaAttr]->Ptr;
+            client_addr = array->Ptr;
          }
-         else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) {
+         else if (abs(array->Ptr - client_addr) > firstStride) {
             /* arrays start too far apart */
             return GL_FALSE;
          }
@@ -327,9 +328,10 @@ setup_interleaved_attribs(struct gl_context *ctx,
 
    for (attr = 0; attr < vpv->num_inputs; attr++) {
       const GLuint mesaAttr = vp->index_to_input[attr];
-      struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
+      const struct gl_client_array *array = arrays[mesaAttr];
+      struct gl_buffer_object *bufobj = array->BufferObj;
       struct st_buffer_object *stobj = st_buffer_object(bufobj);
-      GLsizei stride = arrays[mesaAttr]->StrideB;
+      GLsizei stride = array->StrideB;
 
       if (attr == 0) {
          if (bufobj && bufobj->Name) {
@@ -337,7 +339,7 @@ setup_interleaved_attribs(struct gl_context *ctx,
             pipe_resource_reference(&vbuffer->buffer, stobj->buffer);
             vbuffer->buffer_offset = pointer_to_offset(low_addr);
          } else {
-            uint divisor = arrays[mesaAttr]->InstanceDivisor;
+            uint divisor = array->InstanceDivisor;
             uint length = (divisor ? num_instances / divisor : max_index) + 1;
             vbuffer->buffer =
                pipe_user_buffer_create(pipe->screen, (void*)low_addr,
@@ -353,15 +355,13 @@ setup_interleaved_attribs(struct gl_context *ctx,
          vbuffer->stride = stride; /* in bytes */
       }
 
-      velements[attr].src_offset =
-         (unsigned) (arrays[mesaAttr]->Ptr - low_addr);
-      velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+      velements[attr].src_offset = (unsigned) (array->Ptr - low_addr);
+      velements[attr].instance_divisor = array->InstanceDivisor;
       velements[attr].vertex_buffer_index = 0;
-      velements[attr].src_format =
-         st_pipe_vertex_format(arrays[mesaAttr]->Type,
-                               arrays[mesaAttr]->Size,
-                               arrays[mesaAttr]->Format,
-                               arrays[mesaAttr]->Normalized);
+      velements[attr].src_format = st_pipe_vertex_format(array->Type,
+                                                         array->Size,
+                                                         array->Format,
+                                                         array->Normalized);
       assert(velements[attr].src_format);
    }
 }
@@ -389,8 +389,9 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
 
    for (attr = 0; attr < vpv->num_inputs; attr++) {
       const GLuint mesaAttr = vp->index_to_input[attr];
-      struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
-      GLsizei stride = arrays[mesaAttr]->StrideB;
+      const struct gl_client_array *array = arrays[mesaAttr];
+      struct gl_buffer_object *bufobj = array->BufferObj;
+      GLsizei stride = array->StrideB;
 
       if (bufobj && bufobj->Name) {
          /* Attribute data is in a VBO.
@@ -402,25 +403,24 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
 
          vbuffer[attr].buffer = NULL;
          pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer);
-         vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr);
+         vbuffer[attr].buffer_offset = pointer_to_offset(array->Ptr);
       }
       else {
          /* wrap user data */
          uint bytes;
          void *ptr;
 
-         if (arrays[mesaAttr]->Ptr) {
+         if (array->Ptr) {
             if (stride == 0) {
-               bytes = _mesa_sizeof_type(arrays[mesaAttr]->Type)
-                  * arrays[mesaAttr]->Size;
+               bytes = _mesa_sizeof_type(array->Type) * array->Size;
             }
             else {
-               uint divisor = arrays[mesaAttr]->InstanceDivisor;
+               uint divisor = array->InstanceDivisor;
                uint length = (divisor ? num_instances / divisor : max_index) + 1;
                bytes = stride * length;
             }
 
-            ptr = (void *) arrays[mesaAttr]->Ptr;
+            ptr = (void *) array->Ptr;
          }
          else {
             /* no array, use ctx->Current.Attrib[] value */
@@ -448,13 +448,12 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
       vbuffer[attr].stride = stride; /* in bytes */
 
       velements[attr].src_offset = 0;
-      velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+      velements[attr].instance_divisor = array->InstanceDivisor;
       velements[attr].vertex_buffer_index = attr;
-      velements[attr].src_format
-         = st_pipe_vertex_format(arrays[mesaAttr]->Type,
-                                 arrays[mesaAttr]->Size,
-                                 arrays[mesaAttr]->Format,
-                                 arrays[mesaAttr]->Normalized);
+      velements[attr].src_format = st_pipe_vertex_format(array->Type,
+                                                         array->Size,
+                                                         array->Format,
+                                                         array->Normalized);
       assert(velements[attr].src_format);
    }
 }