3 files changed, 47 insertions, 5 deletions

diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
index 4c5a1d2ea8..8b647a769b 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
@@ -7,6 +7,7 @@
 #include "i915simple/i915_context.h"
 #include "i915simple/i915_screen.h"
 
+#include "trace/tr_drm.h"
 
 /*
  * Helper functions
@@ -40,6 +41,7 @@ intel_drm_buffer_from_handle(struct intel_drm_winsys *idws,
                              const char* name, unsigned handle)
 {
    struct intel_drm_buffer *buf = CALLOC_STRUCT(intel_drm_buffer);
+   uint32_t tile = 0, swizzle = 0;
 
    if (!buf)
       return NULL;
@@ -52,6 +54,10 @@ intel_drm_buffer_from_handle(struct intel_drm_winsys *idws,
    if (!buf->bo)
       goto err;
 
+   drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle);
+   if (tile != INTEL_TILE_NONE)
+      buf->map_gtt = TRUE;
+
    return (struct intel_buffer *)buf;
 
 err:
@@ -166,6 +172,7 @@ intel_drm_create_screen(struct drm_api *api, int drmFD,
    idws->base.destroy = intel_drm_winsys_destroy;
 
    idws->pools.gem = drm_intel_bufmgr_gem_init(idws->fd, idws->max_batch_size);
+   drm_intel_bufmgr_gem_enable_reuse(idws->pools.gem);
 
    idws->softpipe = FALSE;
    idws->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE);
@@ -198,5 +205,5 @@ struct drm_api intel_drm_api =
 struct drm_api *
 drm_api_create()
 {
-   return &intel_drm_api;
+   return trace_drm_create(&intel_drm_api);
 }
diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_batchbuffer.c b/src/gallium/winsys/drm/intel/gem/intel_drm_batchbuffer.c
index 5ca3ad9762..ebd1b607b7 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_drm_batchbuffer.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_drm_batchbuffer.c
@@ -13,6 +13,7 @@
 #define INTEL_BATCH_CLIPRECTS    0x2
 
 #undef INTEL_RUN_SYNC
+#undef INTEL_MAP_BATCHBUFFER
 
 struct intel_drm_batchbuffer
 {
@@ -40,8 +41,11 @@ intel_drm_batchbuffer_reset(struct intel_drm_batchbuffer *batch)
                                   "gallium3d_batchbuffer",
                                   batch->actual_size,
                                   4096);
+
+#ifdef INTEL_MAP_BATCHBUFFER
    drm_intel_bo_map(batch->bo, TRUE);
    batch->base.map = batch->bo->virtual;
+#endif
 
    memset(batch->base.map, 0, batch->actual_size);
    batch->base.ptr = batch->base.map;
@@ -55,7 +59,13 @@ intel_drm_batchbuffer_create(struct intel_winsys *iws)
    struct intel_drm_winsys *idws = intel_drm_winsys(iws);
    struct intel_drm_batchbuffer *batch = CALLOC_STRUCT(intel_drm_batchbuffer);
 
+   batch->actual_size = idws->max_batch_size;
+
+#ifdef INTEL_MAP_BATCHBUFFER
    batch->base.map = NULL;
+#else
+   batch->base.map = MALLOC(batch->actual_size);
+#endif
    batch->base.ptr = NULL;
    batch->base.size = 0;
 
@@ -64,8 +74,6 @@ intel_drm_batchbuffer_create(struct intel_winsys *iws)
 
    batch->base.iws = iws;
 
-   batch->actual_size = idws->max_batch_size;
-
    intel_drm_batchbuffer_reset(batch);
 
    return &batch->base;
@@ -156,7 +164,11 @@ intel_drm_batchbuffer_flush(struct intel_batchbuffer *ibatch,
 
    used = batch->base.ptr - batch->base.map;
 
+#ifdef INTEL_MAP_BATCHBUFFER
    drm_intel_bo_unmap(batch->bo);
+#else
+   drm_intel_bo_subdata(batch->bo, 0, used, batch->base.map);
+#endif
 
    /* Do the sending to HW */
    ret = drm_intel_bo_exec(batch->bo, used, NULL, 0, 0);
@@ -202,7 +214,10 @@ intel_drm_batchbuffer_destroy(struct intel_batchbuffer *ibatch)
    if (batch->bo)
       drm_intel_bo_unreference(batch->bo);
 
-   free(batch);
+#ifndef INTEL_MAP_BATCHBUFFER
+   FREE(batch->base.map);
+#endif
+   FREE(batch);
 }
 
 void intel_drm_winsys_init_batchbuffer_functions(struct intel_drm_winsys *idws)
diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c b/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
index e017cd2e98..327e19fcd6 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
@@ -28,6 +28,7 @@ intel_drm_buffer_create(struct intel_winsys *iws,
    } else if (type == INTEL_NEW_VERTEX) {
       name = "gallium3d_vertex";
       pool = idws->pools.gem;
+      buf->map_gtt = TRUE;
    } else if (type == INTEL_NEW_SCANOUT) {
       name = "gallium3d_scanout";
       pool = idws->pools.gem;
@@ -57,11 +58,17 @@ intel_drm_buffer_set_fence_reg(struct intel_winsys *iws,
                                unsigned stride,
                                enum intel_buffer_tile tile)
 {
+   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
    assert(I915_TILING_NONE == INTEL_TILE_NONE);
    assert(I915_TILING_X == INTEL_TILE_X);
    assert(I915_TILING_Y == INTEL_TILE_Y);
 
-   return drm_intel_bo_set_tiling(intel_bo(buffer), &tile, stride);
+   if (tile != INTEL_TILE_NONE) {
+      assert(buf->map_count == 0);
+      buf->map_gtt = TRUE;
+   }
+
+   return drm_intel_bo_set_tiling(buf->bo, &tile, stride);
 }
 
 static void *
@@ -109,6 +116,18 @@ intel_drm_buffer_unmap(struct intel_winsys *iws,
       drm_intel_bo_unmap(intel_bo(buffer));
 }
 
+static int
+intel_drm_buffer_write(struct intel_winsys *iws,
+                       struct intel_buffer *buffer,
+                       const void *data,
+                       size_t size,
+                       size_t offset)
+{
+   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
+
+   return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
+}
+
 static void
 intel_drm_buffer_destroy(struct intel_winsys *iws,
                          struct intel_buffer *buffer)
@@ -130,5 +149,6 @@ intel_drm_winsys_init_buffer_functions(struct intel_drm_winsys *idws)
    idws->base.buffer_set_fence_reg = intel_drm_buffer_set_fence_reg;
    idws->base.buffer_map = intel_drm_buffer_map;
    idws->base.buffer_unmap = intel_drm_buffer_unmap;
+   idws->base.buffer_write = intel_drm_buffer_write;
    idws->base.buffer_destroy = intel_drm_buffer_destroy;
 }