diff options
Diffstat (limited to 'src/gallium/winsys/i915/drm/i915_drm_api.c')
-rw-r--r-- | src/gallium/winsys/i915/drm/i915_drm_api.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/gallium/winsys/i915/drm/i915_drm_api.c b/src/gallium/winsys/i915/drm/i915_drm_api.c new file mode 100644 index 0000000000..5dfd5a7879 --- /dev/null +++ b/src/gallium/winsys/i915/drm/i915_drm_api.c @@ -0,0 +1,103 @@ +#include <stdio.h> + +#include "state_tracker/drm_api.h" + +#include "i915_drm_winsys.h" +#include "util/u_memory.h" + +#include "i915/i915_context.h" +#include "i915/i915_screen.h" + +#include "trace/tr_drm.h" + +/* + * Helper functions + */ + + +static void +i915_drm_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); + (void) shutup_gcc; + sscanf(path, "%x", device_id); + fclose(file); +} + +static void +i915_drm_winsys_destroy(struct i915_winsys *iws) +{ + struct i915_drm_winsys *idws = i915_drm_winsys(iws); + + drm_intel_bufmgr_destroy(idws->pools.gem); + + FREE(idws); +} + +static struct pipe_screen * +i915_drm_create_screen(struct drm_api *api, int drmFD, + struct drm_create_screen_arg *arg) +{ + struct i915_drm_winsys *idws; + unsigned int deviceID; + + if (arg != NULL) { + switch(arg->mode) { + case DRM_CREATE_NORMAL: + break; + default: + return NULL; + } + } + + idws = CALLOC_STRUCT(i915_drm_winsys); + if (!idws) + return NULL; + + i915_drm_get_device_id(&deviceID); + + i915_drm_winsys_init_batchbuffer_functions(idws); + i915_drm_winsys_init_buffer_functions(idws); + i915_drm_winsys_init_fence_functions(idws); + + idws->fd = drmFD; + idws->id = deviceID; + idws->max_batch_size = 16 * 4096; + + idws->base.destroy = i915_drm_winsys_destroy; + + idws->pools.gem = drm_intel_bufmgr_gem_init(idws->fd, idws->max_batch_size); + drm_intel_bufmgr_gem_enable_reuse(idws->pools.gem); + + idws->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE); + + return i915_create_screen(&idws->base, deviceID); +} + +static struct drm_api i915_drm_api = +{ + .name = "i915", + .driver_name = "i915", + .create_screen = i915_drm_create_screen, + .destroy = NULL, +}; + +struct drm_api * +drm_api_create() +{ + return trace_drm_create(&i915_drm_api); +} |