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

   1
   2 #include "i915_sw_winsys.h"
   3 #include "util/u_memory.h"
   4
   5 #include "i915/i915_context.h"
   6 #include "i915/i915_screen.h"
   7
   8
   9 /*
  10  * Helper functions
  11  */
  12
  13
  14 static void
  15 i915_sw_get_device_id(unsigned int *device_id)
  16 {
  17    /* just pick a i945 hw id */
  18    *device_id = 0x27A2;
  19 }
  20
  21 static void
  22 i915_sw_destroy(struct i915_winsys *iws)
  23 {
  24    struct i915_sw_winsys *isws = i915_sw_winsys(iws);
  25    FREE(isws);
  26 }
  27
  28
  29 /*
  30  * Exported functions
  31  */
  32
  33
  34 struct pipe_screen *
  35 i915_sw_create_screen()
  36 {
  37    struct i915_sw_winsys *isws;
  38    unsigned int deviceID;
  39
  40    isws = CALLOC_STRUCT(i915_sw_winsys);
  41    if (!isws)
  42       return NULL;
  43
  44    i915_sw_get_device_id(&deviceID);
  45
  46    i915_sw_winsys_init_batchbuffer_functions(isws);
  47    i915_sw_winsys_init_buffer_functions(isws);
  48    i915_sw_winsys_init_fence_functions(isws);
  49
  50    isws->base.destroy = i915_sw_destroy;
  51
  52    isws->id = deviceID;
  53    isws->max_batch_size = 16 * 4096;
  54
  55    isws->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE);
  56
  57    /* XXX so this will leak winsys:es */
  58    return i915_create_screen(&isws->base, deviceID);
  59 }