*/
#include "radeon_drm.h"
+#include "radeon_r300.h"
+#include "radeon_buffer.h"
-/* Create a pipe_screen. */
-struct pipe_screen* radeon_create_screen(struct drm_api* api,
- int drmFB,
- struct drm_create_screen_arg *arg)
-{
- struct radeon_winsys* winsys = radeon_pipe_winsys(drmFB);
-
- if (debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
- return softpipe_create_screen((struct pipe_winsys*)winsys);
- } else {
- struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
- FREE(winsys);
- return r300_create_screen(r300);
- }
-}
+#include "r300_winsys.h"
+#include "trace/tr_drm.h"
-/* Create a pipe_context. */
-struct pipe_context* radeon_create_context(struct drm_api* api,
- struct pipe_screen* screen)
-{
- if (debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
- return radeon_create_softpipe(screen->winsys);
- } else {
- return r300_create_context(screen,
- (struct r300_winsys*)screen->winsys);
- }
-}
+#include "util/u_memory.h"
-boolean radeon_buffer_from_texture(struct drm_api* api,
- struct pipe_texture* texture,
- struct pipe_buffer** buffer,
- unsigned* stride)
-{
- /* XXX fix this */
- return r300_get_texture_buffer(texture, buffer, stride);
-}
+#include "xf86drm.h"
+#include <sys/ioctl.h>
-/* Create a buffer from a handle. */
-/* XXX what's up with name? */
-struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api,
- struct pipe_screen* screen,
- const char* name,
- unsigned handle)
+static struct radeon_libdrm_winsys *
+radeon_winsys_create(int fd)
{
- struct radeon_bo_manager* bom =
- ((struct radeon_winsys*)screen->winsys)->priv->bom;
- struct radeon_pipe_buffer* radeon_buffer;
- struct radeon_bo* bo = NULL;
-
- bo = radeon_bo_open(bom, handle, 0, 0, 0, 0);
- if (bo == NULL) {
- return NULL;
- }
+ struct radeon_libdrm_winsys *rws;
- radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer);
- if (radeon_buffer == NULL) {
- radeon_bo_unref(bo);
+ rws = CALLOC_STRUCT(radeon_libdrm_winsys);
+ if (rws == NULL) {
return NULL;
}
- pipe_reference_init(&radeon_buffer->base.reference, 1);
- radeon_buffer->base.screen = screen;
- radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
- radeon_buffer->bo = bo;
- return &radeon_buffer->base;
+ rws->fd = fd;
+ return rws;
}
-static struct pipe_texture*
-radeon_texture_from_shared_handle(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *templ,
- const char *name,
- unsigned stride,
- unsigned handle)
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
{
- struct pipe_buffer *buffer;
- struct pipe_texture *blanket;
-
- buffer = radeon_buffer_from_handle(api, screen, name, handle);
- if (!buffer) {
- return NULL;
+ struct drm_radeon_gem_info gem_info = {0};
+ struct drm_radeon_info info = {0};
+ int target = 0;
+ int retval;
+ drmVersionPtr version;
+
+ info.value = (unsigned long)⌖
+
+ /* We do things in a specific order here.
+ *
+ * DRM version first. We need to be sure we're running on a KMS chipset.
+ * This is also for some features.
+ *
+ * Then, the PCI ID. This is essential and should return usable numbers
+ * for all Radeons. If this fails, we probably got handed an FD for some
+ * non-Radeon card.
+ *
+ * The GB and Z pipe requests should always succeed, but they might not
+ * return sensical values for all chipsets, but that's alright because
+ * the pipe drivers already know that.
+ *
+ * The GEM info is actually bogus on the kernel side, as well as our side
+ * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
+ * we don't actually use the info for anything yet. */
+
+ version = drmGetVersion(fd);
+ if (version->version_major != 2) {
+ fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
+ "only compatible with 2.x.x\n", __FUNCTION__,
+ version->version_major, version->version_minor,
+ version->version_patchlevel);
+ drmFreeVersion(version);
+ exit(1);
}
- blanket = screen->texture_blanket(screen, templ, &stride, buffer);
-
- pipe_buffer_reference(&buffer, NULL);
-
- return blanket;
-}
-
-static boolean radeon_shared_handle_from_texture(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *stride,
- unsigned *handle)
-{
- int retval, fd;
- struct drm_gem_flink flink;
- struct radeon_pipe_buffer* radeon_buffer;
- struct pipe_buffer *buffer;
-
- if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
- return FALSE;
+ info.request = RADEON_INFO_DEVICE_ID;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get PCI ID, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
}
-
- radeon_buffer = (struct radeon_pipe_buffer*)buffer;
- if (!radeon_buffer->flinked) {
- fd = ((struct radeon_winsys*)screen->winsys)->priv->fd;
-
- flink.handle = radeon_buffer->bo->handle;
-
- retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
- if (retval) {
- debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n",
- retval);
- return FALSE;
- }
-
- radeon_buffer->flink = flink.name;
- radeon_buffer->flinked = TRUE;
+ winsys->pci_id = target;
+
+ info.request = RADEON_INFO_NUM_GB_PIPES;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get GB pipe count, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
}
-
- *handle = radeon_buffer->flink;
- return TRUE;
+ winsys->gb_pipes = target;
+
+ info.request = RADEON_INFO_NUM_Z_PIPES;
+ retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get Z pipe count, "
+ "error number %d\n", __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->z_pipes = target;
+
+ retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
+ &gem_info, sizeof(gem_info));
+ if (retval) {
+ fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
+ __FUNCTION__, retval);
+ exit(1);
+ }
+ winsys->gart_size = gem_info.gart_size;
+ winsys->vram_size = gem_info.vram_size;
+
+ debug_printf("radeon: Successfully grabbed chipset info from kernel!\n"
+ "radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n"
+ "radeon: GART size: %d MB VRAM size: %d MB\n",
+ version->version_major, version->version_minor,
+ version->version_patchlevel, winsys->pci_id,
+ winsys->gb_pipes, winsys->z_pipes,
+ winsys->gart_size / 1024 / 1024,
+ winsys->vram_size / 1024 / 1024);
+
+ drmFreeVersion(version);
}
-static boolean radeon_local_handle_from_texture(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *stride,
- unsigned *handle)
+/* Create a pipe_screen. */
+struct pipe_screen* radeon_create_screen(struct drm_api* api,
+ int drmFB,
+ struct drm_create_screen_arg *arg)
{
- struct pipe_buffer *buffer;
- if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
- return FALSE;
+ struct radeon_libdrm_winsys* rws;
+ boolean ret;
+
+ rws = radeon_winsys_create(drmFB);
+ if (!rws)
+ return NULL;
+
+ do_ioctls(drmFB, rws);
+
+ /* The state tracker can organize a softpipe fallback if no hw
+ * driver is found.
+ */
+ if (is_r3xx(rws->pci_id)) {
+ ret = radeon_setup_winsys(drmFB, rws);
+ if (ret == FALSE)
+ goto fail;
+ return r300_create_screen(&rws->base);
}
- *handle = ((struct radeon_pipe_buffer*)buffer)->bo->handle;
-
- pipe_buffer_reference(&buffer, NULL);
+fail:
+ FREE(rws);
+ return NULL;
+}
- return TRUE;
+static void radeon_drm_api_destroy(struct drm_api *api)
+{
+ return;
}
struct drm_api drm_api_hooks = {
+ .name = "radeon",
+ .driver_name = "radeon",
.create_screen = radeon_create_screen,
- .create_context = radeon_create_context,
- .texture_from_shared_handle = radeon_texture_from_shared_handle,
- .shared_handle_from_texture = radeon_shared_handle_from_texture,
- .local_handle_from_texture = radeon_local_handle_from_texture,
+ .destroy = radeon_drm_api_destroy,
};
struct drm_api* drm_api_create()
projects / mesa.git / blobdiff