src/gallium/winsys/i915/sw/i915_sw_winsys.c

   1
   2 #include "i915_sw_winsys.h"
   3 #include "util/u_memory.h"
   4
   5
   6 /*
   7  * Helper functions
   8  */
   9
  10
  11 static void
  12 i915_sw_get_device_id(unsigned int *device_id)
  13 {
  14    /* just pick a i945 hw id */
  15    *device_id = 0x27A2;
  16 }
  17
  18 static void
  19 i915_sw_destroy(struct i915_winsys *iws)
  20 {
  21    struct i915_sw_winsys *isws = i915_sw_winsys(iws);
  22    FREE(isws);
  23 }
  24
  25
  26 /*
  27  * Exported functions
  28  */
  29
  30
  31 struct pipe_screen *
  32 i915_sw_create_screen()
  33 {
  34    struct i915_sw_winsys *isws;
  35    unsigned int deviceID;
  36
  37    isws = CALLOC_STRUCT(i915_sw_winsys);
  38    if (!isws)
  39       return NULL;
  40
  41    i915_sw_get_device_id(&deviceID);
  42
  43    i915_sw_winsys_init_batchbuffer_functions(isws);
  44    i915_sw_winsys_init_buffer_functions(isws);
  45    i915_sw_winsys_init_fence_functions(isws);
  46
  47    isws->base.destroy = i915_sw_destroy;
  48
  49    isws->id = deviceID;
  50    isws->max_batch_size = 16 * 4096;
  51
  52    isws->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE);
  53
  54    /* XXX so this will leak winsys:es */
  55    return i915_create_screen(&isws->base, deviceID);
  56 }