diff options
Diffstat (limited to 'src/gallium/drivers/tegra/tegra_screen.c')
| -rw-r--r-- | src/gallium/drivers/tegra/tegra_screen.c | 688 |
1 files changed, 688 insertions, 0 deletions
diff --git a/src/gallium/drivers/tegra/tegra_screen.c b/src/gallium/drivers/tegra/tegra_screen.c new file mode 100644 index 00000000000..669f22a1944 --- /dev/null +++ b/src/gallium/drivers/tegra/tegra_screen.c @@ -0,0 +1,688 @@ +/* + * Copyright © 2014-2018 NVIDIA Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <errno.h> +#include <fcntl.h> +#include <inttypes.h> +#include <stdio.h> + +#include <sys/stat.h> + +#include <drm_fourcc.h> +#include <tegra_drm.h> +#include <xf86drm.h> + +#include "pipe/p_state.h" +#include "util/u_debug.h" +#include "util/u_inlines.h" + +#include "state_tracker/drm_driver.h" + +#include "nouveau/drm/nouveau_drm_public.h" + +#include "tegra_context.h" +#include "tegra_resource.h" +#include "tegra_screen.h" + +static void tegra_screen_destroy(struct pipe_screen *pscreen) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + screen->gpu->destroy(screen->gpu); + free(pscreen); +} + +static const char * +tegra_screen_get_name(struct pipe_screen *pscreen) +{ + return "tegra"; +} + +static const char * +tegra_screen_get_vendor(struct pipe_screen *pscreen) +{ + return "NVIDIA"; +} + +static const char * +tegra_screen_get_device_vendor(struct pipe_screen *pscreen) +{ + return "NVIDIA"; +} + +static int +tegra_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_param(screen->gpu, param); +} + +static float +tegra_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_paramf(screen->gpu, param); +} + +static int +tegra_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader, + enum pipe_shader_cap param) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_shader_param(screen->gpu, shader, param); +} + +static int +tegra_screen_get_video_param(struct pipe_screen *pscreen, + enum pipe_video_profile profile, + enum pipe_video_entrypoint entrypoint, + enum pipe_video_cap param) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_video_param(screen->gpu, profile, entrypoint, + param); +} + +static int +tegra_screen_get_compute_param(struct pipe_screen *pscreen, + enum pipe_shader_ir ir_type, + enum pipe_compute_cap param, + void *retp) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_compute_param(screen->gpu, ir_type, param, + retp); +} + +static uint64_t +tegra_screen_get_timestamp(struct pipe_screen *pscreen) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_timestamp(screen->gpu); +} + +static boolean +tegra_screen_is_format_supported(struct pipe_screen *pscreen, + enum pipe_format format, + enum pipe_texture_target target, + unsigned sample_count, + unsigned usage) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->is_format_supported(screen->gpu, format, target, + sample_count, usage); +} + +static boolean +tegra_screen_is_video_format_supported(struct pipe_screen *pscreen, + enum pipe_format format, + enum pipe_video_profile profile, + enum pipe_video_entrypoint entrypoint) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->is_video_format_supported(screen->gpu, format, profile, + entrypoint); +} + +static boolean +tegra_screen_can_create_resource(struct pipe_screen *pscreen, + const struct pipe_resource *template) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->can_create_resource(screen->gpu, template); +} + +static int tegra_open_render_node(void) +{ + drmDevicePtr *devices, device; + int err, render = -ENOENT, fd; + unsigned int num, i; + + err = drmGetDevices2(0, NULL, 0); + if (err < 0) + return err; + + num = err; + + devices = calloc(num, sizeof(*devices)); + if (!devices) + return -ENOMEM; + + err = drmGetDevices2(0, devices, num); + if (err < 0) { + render = err; + goto free; + } + + for (i = 0; i < num; i++) { + device = devices[i]; + + if ((device->available_nodes & (1 << DRM_NODE_RENDER)) && + (device->bustype == DRM_BUS_PLATFORM)) { + drmVersionPtr version; + + fd = open(device->nodes[DRM_NODE_RENDER], O_RDWR | O_CLOEXEC); + if (fd < 0) + continue; + + version = drmGetVersion(fd); + if (!version) { + close(fd); + continue; + } + + if (strcmp(version->name, "nouveau") != 0) { + close(fd); + continue; + } + + drmFreeVersion(version); + render = fd; + break; + } + } + + drmFreeDevices(devices, num); + +free: + free(devices); + return render; +} + +static int tegra_screen_import_resource(struct tegra_screen *screen, + struct tegra_resource *resource, + bool has_modifiers) +{ + unsigned usage = PIPE_HANDLE_USAGE_READ; + struct drm_tegra_gem_set_tiling args; + struct winsys_handle handle; + boolean status; + int fd, err; + + memset(&handle, 0, sizeof(handle)); + handle.modifier = DRM_FORMAT_MOD_INVALID; + handle.type = DRM_API_HANDLE_TYPE_FD; + + status = screen->gpu->resource_get_handle(screen->gpu, NULL, resource->gpu, + &handle, usage); + if (!status) + return -EINVAL; + + assert(handle.modifier != DRM_FORMAT_MOD_INVALID); + + if (handle.modifier == DRM_FORMAT_MOD_INVALID) { + close(handle.handle); + return -EINVAL; + } + + resource->modifier = handle.modifier; + resource->stride = handle.stride; + fd = handle.handle; + + err = drmPrimeFDToHandle(screen->fd, fd, &resource->handle); + if (err < 0) + err = -errno; + + close(fd); + + if (!has_modifiers) { + memset(&args, 0, sizeof(args)); + args.handle = resource->handle; + + switch (handle.modifier) { + case DRM_FORMAT_MOD_NVIDIA_TEGRA_TILED: + args.mode = DRM_TEGRA_GEM_TILING_MODE_TILED; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 0; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 1; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 2; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 3; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 4; + break; + + case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB: + args.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; + args.value = 5; + break; + + default: + debug_printf("unsupported modifier %" PRIx64 ", assuming linear\n", + handle.modifier); + /* fall-through */ + + case DRM_FORMAT_MOD_LINEAR: + args.mode = DRM_TEGRA_GEM_TILING_MODE_PITCH; + break; + } + + err = drmIoctl(screen->fd, DRM_IOCTL_TEGRA_GEM_SET_TILING, &args); + if (err < 0) { + fprintf(stderr, "failed to set tiling parameters: %s\n", + strerror(errno)); + err = -errno; + goto out; + } + } + + return 0; + +out: + return err; +} + +static struct pipe_resource * +tegra_screen_resource_create(struct pipe_screen *pscreen, + const struct pipe_resource *template) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + struct tegra_resource *resource; + int err; + + resource = calloc(1, sizeof(*resource)); + if (!resource) + return NULL; + + resource->gpu = screen->gpu->resource_create(screen->gpu, template); + if (!resource->gpu) + goto free; + + /* import scanout buffers for display */ + if (template->bind & PIPE_BIND_SCANOUT) { + err = tegra_screen_import_resource(screen, resource, false); + if (err < 0) + goto destroy; + } + + memcpy(&resource->base, resource->gpu, sizeof(*resource->gpu)); + pipe_reference_init(&resource->base.reference, 1); + resource->base.screen = &screen->base; + + return &resource->base; + +destroy: + screen->gpu->resource_destroy(screen->gpu, resource->gpu); +free: + free(resource); + return NULL; +} + +/* XXX */ +static struct pipe_resource * +tegra_screen_resource_create_front(struct pipe_screen *pscreen, + const struct pipe_resource *template, + const void *map_front_private) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + struct pipe_resource *resource; + + resource = screen->gpu->resource_create_front(screen->gpu, template, + map_front_private); + if (resource) + resource->screen = pscreen; + + return resource; +} + +static struct pipe_resource * +tegra_screen_resource_from_handle(struct pipe_screen *pscreen, + const struct pipe_resource *template, + struct winsys_handle *handle, + unsigned usage) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + struct tegra_resource *resource; + + resource = calloc(1, sizeof(*resource)); + if (!resource) + return NULL; + + resource->gpu = screen->gpu->resource_from_handle(screen->gpu, template, + handle, usage); + if (!resource->gpu) { + free(resource); + return NULL; + } + + memcpy(&resource->base, resource->gpu, sizeof(*resource->gpu)); + pipe_reference_init(&resource->base.reference, 1); + resource->base.screen = &screen->base; + + return &resource->base; +} + +/* XXX */ +static struct pipe_resource * +tegra_screen_resource_from_user_memory(struct pipe_screen *pscreen, + const struct pipe_resource *template, + void *buffer) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + struct pipe_resource *resource; + + resource = screen->gpu->resource_from_user_memory(screen->gpu, template, + buffer); + if (resource) + resource->screen = pscreen; + + return resource; +} + +static boolean +tegra_screen_resource_get_handle(struct pipe_screen *pscreen, + struct pipe_context *pcontext, + struct pipe_resource *presource, + struct winsys_handle *handle, + unsigned usage) +{ + struct tegra_resource *resource = to_tegra_resource(presource); + struct tegra_context *context = to_tegra_context(pcontext); + struct tegra_screen *screen = to_tegra_screen(pscreen); + boolean ret = TRUE; + + /* + * Assume that KMS handles for scanout resources will only ever be used + * to pass buffers into Tegra DRM for display. In all other cases, return + * the Nouveau handle, assuming they will be used for sharing in DRI2/3. + */ + if (handle->type == DRM_API_HANDLE_TYPE_KMS && + presource->bind & PIPE_BIND_SCANOUT) { + handle->modifier = resource->modifier; + handle->handle = resource->handle; + handle->stride = resource->stride; + } else { + ret = screen->gpu->resource_get_handle(screen->gpu, + context ? context->gpu : NULL, + resource->gpu, handle, usage); + } + + return ret; +} + +static void +tegra_screen_resource_destroy(struct pipe_screen *pscreen, + struct pipe_resource *presource) +{ + struct tegra_resource *resource = to_tegra_resource(presource); + + pipe_resource_reference(&resource->gpu, NULL); + free(resource); +} + +static void +tegra_screen_flush_frontbuffer(struct pipe_screen *pscreen, + struct pipe_resource *resource, + unsigned int level, + unsigned int layer, + void *winsys_drawable_handle, + struct pipe_box *box) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + screen->gpu->flush_frontbuffer(screen->gpu, resource, level, layer, + winsys_drawable_handle, box); +} + +static void +tegra_screen_fence_reference(struct pipe_screen *pscreen, + struct pipe_fence_handle **ptr, + struct pipe_fence_handle *fence) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + screen->gpu->fence_reference(screen->gpu, ptr, fence); +} + +static boolean +tegra_screen_fence_finish(struct pipe_screen *pscreen, + struct pipe_context *pcontext, + struct pipe_fence_handle *fence, + uint64_t timeout) +{ + struct tegra_context *context = to_tegra_context(pcontext); + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->fence_finish(screen->gpu, + context ? context->gpu : NULL, + fence, timeout); +} + +static int +tegra_screen_fence_get_fd(struct pipe_screen *pscreen, + struct pipe_fence_handle *fence) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->fence_get_fd(screen->gpu, fence); +} + +static int +tegra_screen_get_driver_query_info(struct pipe_screen *pscreen, + unsigned int index, + struct pipe_driver_query_info *info) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_driver_query_info(screen->gpu, index, info); +} + +static int +tegra_screen_get_driver_query_group_info(struct pipe_screen *pscreen, + unsigned int index, + struct pipe_driver_query_group_info *info) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_driver_query_group_info(screen->gpu, index, info); +} + +static void +tegra_screen_query_memory_info(struct pipe_screen *pscreen, + struct pipe_memory_info *info) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + screen->gpu->query_memory_info(screen->gpu, info); +} + +static const void * +tegra_screen_get_compiler_options(struct pipe_screen *pscreen, + enum pipe_shader_ir ir, + unsigned int shader) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + const void *options = NULL; + + if (screen->gpu->get_compiler_options) + options = screen->gpu->get_compiler_options(screen->gpu, ir, shader); + + return options; +} + +static struct disk_cache * +tegra_screen_get_disk_shader_cache(struct pipe_screen *pscreen) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->get_disk_shader_cache(screen->gpu); +} + +static struct pipe_resource * +tegra_screen_resource_create_with_modifiers(struct pipe_screen *pscreen, + const struct pipe_resource *template, + const uint64_t *modifiers, + int count) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + struct tegra_resource *resource; + int err; + + resource = calloc(1, sizeof(*resource)); + if (!resource) + return NULL; + + resource->gpu = screen->gpu->resource_create_with_modifiers(screen->gpu, + template, + modifiers, + count); + if (!resource->gpu) + goto free; + + err = tegra_screen_import_resource(screen, resource, true); + if (err < 0) + goto destroy; + + memcpy(&resource->base, resource->gpu, sizeof(*resource->gpu)); + pipe_reference_init(&resource->base.reference, 1); + resource->base.screen = &screen->base; + + return &resource->base; + +destroy: + screen->gpu->resource_destroy(screen->gpu, resource->gpu); +free: + free(resource); + return NULL; +} + +static void tegra_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen, + enum pipe_format format, + int max, uint64_t *modifiers, + unsigned int *external_only, + int *count) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + screen->gpu->query_dmabuf_modifiers(screen->gpu, format, max, modifiers, + external_only, count); +} + +static struct pipe_memory_object * +tegra_screen_memobj_create_from_handle(struct pipe_screen *pscreen, + struct winsys_handle *handle, + bool dedicated) +{ + struct tegra_screen *screen = to_tegra_screen(pscreen); + + return screen->gpu->memobj_create_from_handle(screen->gpu, handle, + dedicated); +} + +struct pipe_screen * +tegra_screen_create(int fd) +{ + struct tegra_screen *screen; + + screen = calloc(1, sizeof(*screen)); + if (!screen) + return NULL; + + screen->fd = fd; + + screen->gpu_fd = tegra_open_render_node(); + if (screen->gpu_fd < 0) { + if (errno != ENOENT) + fprintf(stderr, "failed to open GPU device: %s\n", strerror(errno)); + + free(screen); + return NULL; + } + + screen->gpu = nouveau_drm_screen_create(screen->gpu_fd); + if (!screen->gpu) { + fprintf(stderr, "failed to create GPU screen\n"); + close(screen->gpu_fd); + free(screen); + return NULL; + } + + screen->base.destroy = tegra_screen_destroy; + screen->base.get_name = tegra_screen_get_name; + screen->base.get_vendor = tegra_screen_get_vendor; + screen->base.get_device_vendor = tegra_screen_get_device_vendor; + screen->base.get_param = tegra_screen_get_param; + screen->base.get_paramf = tegra_screen_get_paramf; + screen->base.get_shader_param = tegra_screen_get_shader_param; + screen->base.get_video_param = tegra_screen_get_video_param; + screen->base.get_compute_param = tegra_screen_get_compute_param; + screen->base.get_timestamp = tegra_screen_get_timestamp; + screen->base.context_create = tegra_screen_context_create; + screen->base.is_format_supported = tegra_screen_is_format_supported; + screen->base.is_video_format_supported = tegra_screen_is_video_format_supported; + + /* allow fallback implementation if GPU driver doesn't implement it */ + if (screen->gpu->can_create_resource) + screen->base.can_create_resource = tegra_screen_can_create_resource; + + screen->base.resource_create = tegra_screen_resource_create; + screen->base.resource_create_front = tegra_screen_resource_create_front; + screen->base.resource_from_handle = tegra_screen_resource_from_handle; + screen->base.resource_from_user_memory = tegra_screen_resource_from_user_memory; + screen->base.resource_get_handle = tegra_screen_resource_get_handle; + screen->base.resource_destroy = tegra_screen_resource_destroy; + + screen->base.flush_frontbuffer = tegra_screen_flush_frontbuffer; + screen->base.fence_reference = tegra_screen_fence_reference; + screen->base.fence_finish = tegra_screen_fence_finish; + screen->base.fence_get_fd = tegra_screen_fence_get_fd; + + screen->base.get_driver_query_info = tegra_screen_get_driver_query_info; + screen->base.get_driver_query_group_info = tegra_screen_get_driver_query_group_info; + screen->base.query_memory_info = tegra_screen_query_memory_info; + + screen->base.get_compiler_options = tegra_screen_get_compiler_options; + screen->base.get_disk_shader_cache = tegra_screen_get_disk_shader_cache; + + screen->base.resource_create_with_modifiers = tegra_screen_resource_create_with_modifiers; + screen->base.query_dmabuf_modifiers = tegra_screen_query_dmabuf_modifiers; + screen->base.memobj_create_from_handle = tegra_screen_memobj_create_from_handle; + + return &screen->base; +} |