diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon/core/radeon_drm.c')
-rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_drm.c | 100 |
1 files changed, 88 insertions, 12 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index 69f14e54f2..05194fc52a 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -29,21 +29,95 @@ * 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; + + info.value = (unsigned long)⌖ + + /* We do things in a specific order here. + * + * First, 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. + * XXX update the above when we can safely use vram_size instead of vram_visible */ + 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; + /* XXX */ + winsys->vram_size = gem_info.vram_visible; +} + +/* Guess at whether this chipset should use r300g. + * + * I believe that this check is valid, but I haven't been exhaustive. */ +static boolean is_r3xx(int pciid) +{ + return (pciid > 0x3150) && (pciid < 0x796f); +} + /* 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); } } @@ -51,11 +125,13 @@ struct pipe_screen* radeon_create_screen(struct drm_api* api, 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); } } @@ -130,7 +206,7 @@ static boolean radeon_shared_handle_from_texture(struct drm_api *api, 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)) { return FALSE; @@ -163,7 +239,7 @@ static boolean radeon_local_handle_from_texture(struct drm_api *api, unsigned *stride, unsigned *handle) { - struct pipe_buffer *buffer; + struct pipe_buffer *buffer = NULL; if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) { return FALSE; } |