intel: Add a bo_alloc function for tiled BOs.

[android-x86/external-libdrm.git] / libdrm / intel / intel_bufmgr_fake.c

diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c
index f325482..54b3cb8 100644 (file)
--- a/libdrm/intel/intel_bufmgr_fake.c
+++ b/libdrm/intel/intel_bufmgr_fake.c
@@ -51,8 +51,6 @@
 #include "mm.h"
 #include "libdrm_lists.h"
 
-#define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
-
 #define DBG(...) do {                                  \
        if (bufmgr_fake->bufmgr.debug)                  \
                drmMsg(__VA_ARGS__);                    \
@@ -838,6 +836,32 @@ drm_intel_fake_bo_alloc(drm_intel_bufmgr *bufmgr,
        return &bo_fake->bo;
 }
 
+static drm_intel_bo *
+drm_intel_fake_bo_alloc_tiled(drm_intel_bufmgr * bufmgr,
+                             const char *name,
+                             int x, int y, int cpp,
+                             uint32_t *tiling_mode,
+                             unsigned long *pitch,
+                             unsigned long flags)
+{
+       unsigned long stride, aligned_y;
+
+       /* No runtime tiling support for fake. */
+       *tiling_mode = I915_TILING_NONE;
+
+       /* Align it for being a render target.  Shouldn't need anything else. */
+       stride = x * cpp;
+       stride = ROUND_UP_TO(stride, 64);
+
+       /* 965 subspan loading alignment */
+       aligned_y = ALIGN(y, 2);
+
+       *pitch = stride;
+
+       return drm_intel_fake_bo_alloc(bufmgr, name, stride * aligned_y,
+                                      4096);
+}
+
 drm_intel_bo *
 drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
                               const char *name,
@@ -1565,6 +1589,7 @@ drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
        /* Hook in methods */
        bufmgr_fake->bufmgr.bo_alloc = drm_intel_fake_bo_alloc;
        bufmgr_fake->bufmgr.bo_alloc_for_render = drm_intel_fake_bo_alloc;
+       bufmgr_fake->bufmgr.bo_alloc_tiled = drm_intel_fake_bo_alloc_tiled;
        bufmgr_fake->bufmgr.bo_reference = drm_intel_fake_bo_reference;
        bufmgr_fake->bufmgr.bo_unreference = drm_intel_fake_bo_unreference;
        bufmgr_fake->bufmgr.bo_map = drm_intel_fake_bo_map;