* Joakim Sindholt <opensource@zhasha.com>
*/
+#include "softpipe/sp_winsys.h"
+
#include "radeon_drm.h"
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(int fd, struct radeon_winsys* winsys)
+{
+ 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);
+ }
+
+ 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);
+ }
+ 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);
+ }
+ 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);
+}
+
/* 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);
+ struct radeon_winsys* rwinsys = radeon_pipe_winsys(drmFB);
+ do_ioctls(drmFB, rwinsys);
- if (debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
- return softpipe_create_screen((struct pipe_winsys*)winsys);
+ if (!is_r3xx(rwinsys->pci_id) ||
+ debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
+ return softpipe_create_screen((struct pipe_winsys*)rwinsys);
} else {
- struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
- FREE(winsys);
- return r300_create_screen(r300);
+ radeon_setup_winsys(drmFB, rwinsys);
+ return r300_create_screen(rwinsys);
}
}
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);
+ struct radeon_winsys* rwinsys = (struct radeon_winsys*)screen->winsys;
+
+ if (!is_r3xx(rwinsys->pci_id) ||
+ debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
+ return softpipe_create(screen);
} else {
- return r300_create_context(screen,
- (struct r300_winsys*)screen->winsys);
+ return r300_create_context(screen, rwinsys);
}
}
boolean radeon_buffer_from_texture(struct drm_api* api,
+ struct pipe_screen* screen,
struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride)
{
/* XXX fix this */
- return r300_get_texture_buffer(texture, buffer, stride);
+ return r300_get_texture_buffer(screen, texture, buffer, stride);
}
/* Create a buffer from a handle. */
int retval, fd;
struct drm_gem_flink flink;
struct radeon_pipe_buffer* radeon_buffer;
- struct pipe_buffer *buffer;
+ struct pipe_buffer *buffer = NULL;
- if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
+ if (!radeon_buffer_from_texture(api, screen, texture, &buffer, stride)) {
return FALSE;
}
unsigned *stride,
unsigned *handle)
{
- struct pipe_buffer *buffer;
- if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
+ struct pipe_buffer *buffer = NULL;
+ if (!radeon_buffer_from_texture(api, screen, texture, &buffer, stride)) {
return FALSE;
}
}
struct drm_api drm_api_hooks = {
+ .name = "radeon",
.driver_name = "radeon",
.create_screen = radeon_create_screen,
.create_context = radeon_create_context,
projects / mesa.git / blobdiff