gallium: keep track of num_vertex_attribs/buffers for shorter loops

diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index 6f0b234..2442bd1 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -83,6 +83,8 @@ struct softpipe_context {
 
    unsigned num_samplers;
    unsigned num_textures;
+   unsigned num_vertex_elements;
+   unsigned num_vertex_buffers;
 
    /* Counter for occlusion queries.  Note this supports overlapping
     * queries.

diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index ab54050..61bcf51 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -125,14 +125,12 @@ softpipe_draw_elements(struct pipe_context *pipe,
    /*
     * Map vertex buffers
     */
-   for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
-      if (sp->vertex_buffer[i].buffer) {
-         void *buf
-            = pipe->winsys->buffer_map(pipe->winsys,
-                                       sp->vertex_buffer[i].buffer,
-                                       PIPE_BUFFER_USAGE_CPU_READ);
-         draw_set_mapped_vertex_buffer(draw, i, buf);
-      }
+   for (i = 0; i < sp->num_vertex_buffers; i++) {
+      void *buf
+         = pipe->winsys->buffer_map(pipe->winsys,
+                                    sp->vertex_buffer[i].buffer,
+                                    PIPE_BUFFER_USAGE_CPU_READ);
+      draw_set_mapped_vertex_buffer(draw, i, buf);
    }
    /* Map index buffer, if present */
    if (indexBuffer) {
@@ -153,11 +151,9 @@ softpipe_draw_elements(struct pipe_context *pipe,
    /*
     * unmap vertex/index buffers - will cause draw module to flush
     */
-   for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
-      if (sp->vertex_buffer[i].buffer) {
-         draw_set_mapped_vertex_buffer(draw, i, NULL);
-         pipe->winsys->buffer_unmap(pipe->winsys, sp->vertex_buffer[i].buffer);
-      }
+   for (i = 0; i < sp->num_vertex_buffers; i++) {
+      draw_set_mapped_vertex_buffer(draw, i, NULL);
+      pipe->winsys->buffer_unmap(pipe->winsys, sp->vertex_buffer[i].buffer);
    }
    if (indexBuffer) {
       draw_set_mapped_element_buffer(draw, 0, NULL);

diff --git a/src/gallium/drivers/softpipe/sp_state_vertex.c b/src/gallium/drivers/softpipe/sp_state_vertex.c
index e0230e1..46b6991 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_state_vertex.c
+++ b/src/gallium/drivers/softpipe/sp_state_vertex.c
@@ -47,6 +47,7 @@ softpipe_set_vertex_elements(struct pipe_context *pipe,
 
    memcpy(softpipe->vertex_element, attribs,
           count * sizeof(struct pipe_vertex_element));
+   softpipe->num_vertex_elements = count;
 
    softpipe->dirty |= SP_NEW_VERTEX;
 
@@ -64,6 +65,7 @@ softpipe_set_vertex_buffers(struct pipe_context *pipe,
    assert(count <= PIPE_MAX_ATTRIBS);
 
    memcpy(softpipe->vertex_buffer, buffers, count * sizeof(buffers[0]));
+   softpipe->num_vertex_buffers = count;
 
    softpipe->dirty |= SP_NEW_VERTEX;