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authorKeith Whitwell <keithw@vmware.com>2009-02-18 12:54:26 +0000
committerKeith Whitwell <keithw@vmware.com>2009-02-18 12:54:26 +0000
commit89e2b9c6c24e1a0b7690b9a7502b0ea198069d10 (patch)
tree520ef9752161f6f79851f8d44290baafd72c0a4d /src/gallium/drivers/i915simple
parentea4bf267e4b023b08043f91ac44592fed1736e7f (diff)
parentb57031624ef94dd3128f989acabdffa2f2a32f57 (diff)
Merge commit 'origin/draw-vbuf-interface'
Diffstat (limited to 'src/gallium/drivers/i915simple')
-rw-r--r--src/gallium/drivers/i915simple/i915_prim_vbuf.c57
1 files changed, 44 insertions, 13 deletions
diff --git a/src/gallium/drivers/i915simple/i915_prim_vbuf.c b/src/gallium/drivers/i915simple/i915_prim_vbuf.c
index 2dc2e07329..58c41840e1 100644
--- a/src/gallium/drivers/i915simple/i915_prim_vbuf.c
+++ b/src/gallium/drivers/i915simple/i915_prim_vbuf.c
@@ -62,7 +62,7 @@ struct i915_vbuf_render {
struct i915_context *i915;
/** Vertex size in bytes */
- unsigned vertex_size;
+ size_t vertex_size;
/** Software primitive */
unsigned prim;
@@ -79,6 +79,7 @@ struct i915_vbuf_render {
size_t vbo_offset;
void *vbo_ptr;
size_t vbo_alloc_size;
+ size_t vbo_max_used;
};
@@ -108,7 +109,7 @@ i915_vbuf_render_get_vertex_info( struct vbuf_render *render )
}
-static void *
+static boolean
i915_vbuf_render_allocate_vertices( struct vbuf_render *render,
ushort vertex_size,
ushort nr_vertices )
@@ -124,7 +125,8 @@ i915_vbuf_render_allocate_vertices( struct vbuf_render *render,
if (i915_render->vbo_size > size + i915_render->vbo_offset && !i915->vbo_flushed) {
} else {
i915->vbo_flushed = 0;
- pipe_buffer_reference(screen, &i915_render->vbo, NULL);
+ if (i915_render->vbo)
+ pipe_buffer_reference(screen, &i915_render->vbo, NULL);
}
if (!i915_render->vbo) {
@@ -134,19 +136,49 @@ i915_vbuf_render_allocate_vertices( struct vbuf_render *render,
64,
I915_BUFFER_USAGE_LIT_VERTEX,
i915_render->vbo_size);
- i915_render->vbo_ptr = pipe_buffer_map(screen,
- i915_render->vbo,
- PIPE_BUFFER_USAGE_CPU_WRITE);
- pipe_buffer_unmap(screen, i915_render->vbo);
+
}
+ i915_render->vertex_size = vertex_size;
i915->vbo = i915_render->vbo;
i915->vbo_offset = i915_render->vbo_offset;
i915->dirty |= I915_NEW_VBO;
+ if (!i915_render->vbo)
+ return FALSE;
+ return TRUE;
+}
+
+
+static void *
+i915_vbuf_render_map_vertices( struct vbuf_render *render )
+{
+ struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
+ struct i915_context *i915 = i915_render->i915;
+ struct pipe_screen *screen = i915->pipe.screen;
+
+ if (i915->vbo_flushed)
+ debug_printf("%s bad vbo flush occured stalling on hw\n");
+
+ i915_render->vbo_ptr = pipe_buffer_map(screen,
+ i915_render->vbo,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+
return (unsigned char *)i915_render->vbo_ptr + i915->vbo_offset;
}
+static void
+i915_vbuf_render_unmap_vertices( struct vbuf_render *render,
+ ushort min_index,
+ ushort max_index )
+{
+ struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
+ struct i915_context *i915 = i915_render->i915;
+ struct pipe_screen *screen = i915->pipe.screen;
+
+ i915_render->vbo_max_used = MAX2(i915_render->vbo_max_used, i915_render->vertex_size * (max_index + 1));
+ pipe_buffer_unmap(screen, i915_render->vbo);
+}
static boolean
i915_vbuf_render_set_primitive( struct vbuf_render *render,
@@ -454,18 +486,15 @@ out:
static void
-i915_vbuf_render_release_vertices( struct vbuf_render *render,
- void *vertices,
- unsigned vertex_size,
- unsigned vertices_used )
+i915_vbuf_render_release_vertices( struct vbuf_render *render )
{
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
struct i915_context *i915 = i915_render->i915;
- size_t size = (size_t)vertex_size * (size_t)vertices_used;
assert(i915->vbo);
- i915_render->vbo_offset += size;
+ i915_render->vbo_offset += i915_render->vbo_max_used;
+ i915_render->vbo_max_used = 0;
i915->vbo = NULL;
i915->dirty |= I915_NEW_VBO;
}
@@ -499,6 +528,8 @@ i915_vbuf_render_create( struct i915_context *i915 )
i915_render->base.get_vertex_info = i915_vbuf_render_get_vertex_info;
i915_render->base.allocate_vertices = i915_vbuf_render_allocate_vertices;
+ i915_render->base.map_vertices = i915_vbuf_render_map_vertices;
+ i915_render->base.unmap_vertices = i915_vbuf_render_unmap_vertices;
i915_render->base.set_primitive = i915_vbuf_render_set_primitive;
i915_render->base.draw = i915_vbuf_render_draw;
i915_render->base.draw_arrays = i915_vbuf_render_draw_arrays;