diff options
Diffstat (limited to 'src/gallium/winsys/i965/drm/i965_drm_winsys.c')
-rw-r--r-- | src/gallium/winsys/i965/drm/i965_drm_winsys.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/gallium/winsys/i965/drm/i965_drm_winsys.c b/src/gallium/winsys/i965/drm/i965_drm_winsys.c new file mode 100644 index 0000000000..b08e622db9 --- /dev/null +++ b/src/gallium/winsys/i965/drm/i965_drm_winsys.c @@ -0,0 +1,74 @@ + +#include <stdio.h> +#include "state_tracker/drm_driver.h" + +#include "i965_drm_winsys.h" +#include "i965_drm_public.h" +#include "util/u_memory.h" + +/* + * Helper functions + */ + + +static void +i965_libdrm_get_device_id(unsigned int *device_id) +{ + char path[512]; + FILE *file; + void *shutup_gcc; + + /* + * FIXME: Fix this up to use a drm ioctl or whatever. + */ + + snprintf(path, sizeof(path), "/sys/class/drm/card0/device/device"); + file = fopen(path, "r"); + if (!file) { + return; + } + + shutup_gcc = fgets(path, sizeof(path), file); + sscanf(path, "%x", device_id); + fclose(file); +} + +static void +i965_libdrm_winsys_destroy(struct brw_winsys_screen *iws) +{ + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(iws); + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + drm_intel_bufmgr_destroy(idws->gem); + + FREE(idws); +} + +struct brw_winsys_screen * +i965_drm_winsys_screen_create(int drmFD) +{ + struct i965_libdrm_winsys *idws; + + debug_printf("%s\n", __FUNCTION__); + + idws = CALLOC_STRUCT(i965_libdrm_winsys); + if (!idws) + return NULL; + + i965_libdrm_get_device_id(&idws->base.pci_id); + + i965_libdrm_winsys_init_buffer_functions(idws); + + idws->fd = drmFD; + + idws->base.destroy = i965_libdrm_winsys_destroy; + + idws->gem = drm_intel_bufmgr_gem_init(idws->fd, BRW_BATCH_SIZE); + drm_intel_bufmgr_gem_enable_reuse(idws->gem); + + idws->send_cmd = !debug_get_bool_option("BRW_NO_HW", FALSE); + + return &idws->base; +} |