diff options
Diffstat (limited to 'src/gallium/winsys/drm/i965/gem/i965_drm_api.c')
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_api.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c deleted file mode 100644 index a061eef0be..0000000000 --- a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c +++ /dev/null @@ -1,238 +0,0 @@ - -#include <stdio.h> -#include "state_tracker/drm_api.h" - -#include "i965_drm_winsys.h" -#include "util/u_memory.h" - -#include "i965/brw_context.h" /* XXX: shouldn't be doing this */ -#include "i965/brw_screen.h" /* XXX: shouldn't be doing this */ - -#include "trace/tr_drm.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 struct i965_libdrm_buffer * -i965_libdrm_buffer_from_handle(struct i965_libdrm_winsys *idws, - const char* name, unsigned handle) -{ - struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer); - uint32_t swizzle = 0; - - if (BRW_DUMP) - debug_printf("%s\n", __FUNCTION__); - - if (!buf) - return NULL; - pipe_reference_init(&buf->base.reference, 1); - buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, name, handle); - buf->base.size = buf->bo->size; - buf->base.sws = &idws->base; - buf->flinked = TRUE; - buf->flink = handle; - - - if (!buf->bo) - goto err; - - drm_intel_bo_get_tiling(buf->bo, &buf->tiling, &swizzle); - if (buf->tiling != 0) - buf->map_gtt = TRUE; - - return buf; - -err: - FREE(buf); - return NULL; -} - - -/* - * Exported functions - */ - - -static struct pipe_texture * -i965_libdrm_texture_from_shared_handle(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *template, - const char* name, - unsigned pitch, - unsigned handle) -{ - /* XXX: this is silly -- there should be a way to get directly from - * the "drm_api" struct to ourselves, without peering into - * unrelated code: - */ - struct i965_libdrm_winsys *idws = i965_libdrm_winsys(brw_screen(screen)->sws); - struct i965_libdrm_buffer *buffer; - - if (BRW_DUMP) - debug_printf("%s %s pitch %d handle 0x%x\n", __FUNCTION__, - name, pitch, handle); - - buffer = i965_libdrm_buffer_from_handle(idws, name, handle); - if (!buffer) - return NULL; - - return brw_texture_blanket_winsys_buffer(screen, template, pitch, - buffer->tiling, - &buffer->base); -} - - -static boolean -i965_libdrm_shared_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *pitch, - unsigned *handle) -{ - struct i965_libdrm_buffer *buf = NULL; - struct brw_winsys_buffer *buffer = NULL; - - if (BRW_DUMP) - debug_printf("%s\n", __FUNCTION__); - - if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch)) - return FALSE; - - buf = i965_libdrm_buffer(buffer); - if (!buf->flinked) { - if (drm_intel_bo_flink(buf->bo, &buf->flink)) - return FALSE; - buf->flinked = TRUE; - } - - *handle = buf->flink; - - if (BRW_DUMP) - debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle); - - return TRUE; -} - -static boolean -i965_libdrm_local_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *pitch, - unsigned *handle) -{ - struct brw_winsys_buffer *buffer = NULL; - - if (BRW_DUMP) - debug_printf("%s\n", __FUNCTION__); - - if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch)) - return FALSE; - - *handle = i965_libdrm_buffer(buffer)->bo->handle; - - if (BRW_DUMP) - debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle); - - return TRUE; -} - -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); -} - -static struct pipe_screen * -i965_libdrm_create_screen(struct drm_api *api, int drmFD, - struct drm_create_screen_arg *arg) -{ - struct i965_libdrm_winsys *idws; - unsigned int deviceID; - - debug_printf("%s\n", __FUNCTION__); - - if (arg != NULL) { - switch(arg->mode) { - case DRM_CREATE_NORMAL: - break; - default: - return NULL; - } - } - - idws = CALLOC_STRUCT(i965_libdrm_winsys); - if (!idws) - return NULL; - - i965_libdrm_get_device_id(&deviceID); - - i965_libdrm_winsys_init_buffer_functions(idws); - - idws->fd = drmFD; - idws->id = deviceID; - - 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 brw_create_screen(&idws->base, deviceID); -} - - -static void -destroy(struct drm_api *api) -{ - if (BRW_DUMP) - debug_printf("%s\n", __FUNCTION__); - -} - -struct drm_api i965_libdrm_api = -{ - .name = "i965", - .create_screen = i965_libdrm_create_screen, - .texture_from_shared_handle = i965_libdrm_texture_from_shared_handle, - .shared_handle_from_texture = i965_libdrm_shared_handle_from_texture, - .local_handle_from_texture = i965_libdrm_local_handle_from_texture, - .destroy = destroy, -}; - -struct drm_api * -drm_api_create() -{ - return trace_drm_create(&i965_libdrm_api); -} |