On 11/03/2015 07:26 PM, Ilia Mirkin wrote:
On Tue, Nov 3, 2015 at 1:35 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
To get the size (in bytes) of a compute parameter, clover first calls
get_compute_param() with a NULL data pointer. The RET() macro is based
on nv50.

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
  src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 45 ++++++++++++--------------
  1 file changed, 21 insertions(+), 24 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c 
b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 6aa4f0b..ea317a5 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -353,45 +353,42 @@ static int
  nvc0_screen_get_compute_param(struct pipe_screen *pscreen,
                                enum pipe_compute_cap param, void *data)
  {
-   uint64_t *data64 = (uint64_t *)data;
-   uint32_t *data32 = (uint32_t *)data;
     const uint16_t obj_class = nvc0_screen(pscreen)->compute->oclass;

+#define RET(x) do {                  \
+   if (data)                         \
+      memcpy(data, x, sizeof(x));    \
+   return sizeof(x);                 \
+} while (0)
+
     switch (param) {
     case PIPE_COMPUTE_CAP_GRID_DIMENSION:
-      data64[0] = 3;
-      return 8;
+      RET((uint64_t []) { 3ul });
     case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
-      data64[0] = (obj_class >= NVE4_COMPUTE_CLASS) ? 0x7fffffff : 65535;
-      data64[1] = 65535;
-      data64[2] = 65535;
-      return 24;
+      if (obj_class >= NVE4_COMPUTE_CLASS) {
+         RET(((uint64_t []) { 0x7fffffff, 65535ul, 65535ul }));

Why the ul's everywhere? And why not on the 0x7ffff ?

Based on curro's branch for nv50 compute support, but I assume I can get rid of this.


+      } else {
+         RET(((uint64_t []) { 65535ul, 65535ul, 65535ul }));
+      }
     case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
-      data64[0] = 1024;
-      data64[1] = 1024;
-      data64[2] = 64;
-      return 24;
+      RET(((uint64_t []) { 1024ul, 1024ul, 64ul }));
     case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
-      data64[0] = 1024;
-      return 8;
+      RET((uint64_t []) { 1024ul });
     case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: /* g[] */
-      data64[0] = (uint64_t)1 << 40;
-      return 8;
+      RET((uint64_t []) { 1ul << 40 });
     case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: /* s[] */
-      data64[0] = 48 << 10;
-      return 8;
+      RET((uint64_t []) { 48ul << 10 });
     case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: /* l[] */
-      data64[0] = 512 << 10;
-      return 8;
+      RET((uint64_t []) { 512ul << 10 });
     case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: /* c[], arbitrary limit */
-      data64[0] = 4096;
-      return 8;
+      RET((uint64_t []) { 4096ul });
     case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
-      data32[0] = 32;
-      return 4;
+      RET((uint32_t []) { 32u });
     default:
        return 0;
     }
+
+#undef RET
  }

  static void
--
2.5.3

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev

Reply via email to