diff options
Diffstat (limited to 'src/gbm/backends/dri')
| -rw-r--r-- | src/gbm/backends/dri/gbm_dri.c | 203 | ||||
| -rw-r--r-- | src/gbm/backends/dri/gbm_driint.h | 57 |
2 files changed, 233 insertions, 27 deletions
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c index 47e62f3..7b28be1 100644 --- a/src/gbm/backends/dri/gbm_dri.c +++ b/src/gbm/backends/dri/gbm_dri.c @@ -34,7 +34,6 @@ #include <limits.h> #include <sys/types.h> -#include <sys/mman.h> #include <unistd.h> #include <dlfcn.h> #include <xf86drm.h> @@ -124,6 +123,74 @@ image_get_buffers(__DRIdrawable *driDrawable, surf->dri_private, buffer_mask, buffers); } +static void +swrast_get_drawable_info(__DRIdrawable *driDrawable, + int *x, + int *y, + int *width, + int *height, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + + *x = 0; + *y = 0; + *width = surf->base.width; + *height = surf->base.height; +} + +static void +swrast_put_image2(__DRIdrawable *driDrawable, + int op, + int x, + int y, + int width, + int height, + int stride, + char *data, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); + + dri->swrast_put_image2(driDrawable, + op, x, y, + width, height, stride, + data, surf->dri_private); +} + +static void +swrast_put_image(__DRIdrawable *driDrawable, + int op, + int x, + int y, + int width, + int height, + char *data, + void *loaderPrivate) +{ + return swrast_put_image2(driDrawable, op, x, y, width, height, + width * 4, data, loaderPrivate); +} + +static void +swrast_get_image(__DRIdrawable *driDrawable, + int x, + int y, + int width, + int height, + char *data, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); + + dri->swrast_get_image(driDrawable, + x, y, + width, height, + data, surf->dri_private); +} + static const __DRIuseInvalidateExtension use_invalidate = { .base = { __DRI_USE_INVALIDATE, 1 } }; @@ -149,11 +216,21 @@ static const __DRIimageLoaderExtension image_loader_extension = { .flushFrontBuffer = dri_flush_front_buffer, }; +static const __DRIswrastLoaderExtension swrast_loader_extension = { + .base = { __DRI_SWRAST_LOADER, 2 }, + + .getDrawableInfo = swrast_get_drawable_info, + .putImage = swrast_put_image, + .getImage = swrast_get_image, + .putImage2 = swrast_put_image2 +}; + static const __DRIextension *gbm_dri_screen_extensions[] = { &image_lookup_extension.base, &use_invalidate.base, &dri2_loader_extension.base, &image_loader_extension.base, + &swrast_loader_extension.base, NULL, }; @@ -175,6 +252,12 @@ static struct dri_extension_match gbm_dri_device_extensions[] = { { NULL, 0, 0 } }; +static struct dri_extension_match gbm_swrast_device_extensions[] = { + { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), }, + { __DRI_SWRAST, 1, offsetof(struct gbm_dri_device, swrast) }, + { NULL, 0, 0 } +}; + static int dri_bind_extensions(struct gbm_dri_device *dri, struct dri_extension_match *matches, @@ -203,8 +286,8 @@ dri_bind_extensions(struct gbm_dri_device *dri, return ret; } -static int -dri_load_driver(struct gbm_dri_device *dri) +static const __DRIextension ** +dri_open_driver(struct gbm_dri_device *dri) { const __DRIextension **extensions = NULL; char path[PATH_MAX], *search_paths, *p, *next, *end; @@ -255,7 +338,7 @@ dri_load_driver(struct gbm_dri_device *dri) if (dri->driver == NULL) { fprintf(stderr, "gbm: failed to open any driver (search paths %s)", search_paths); - return -1; + return NULL; } if (asprintf(&get_extensions_name, "%s_%s", @@ -274,16 +357,48 @@ dri_load_driver(struct gbm_dri_device *dri) if (extensions == NULL) { fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror()); dlclose(dri->driver); + } + + return extensions; +} + +static int +dri_load_driver(struct gbm_dri_device *dri) +{ + const __DRIextension **extensions; + + extensions = dri_open_driver(dri); + if (!extensions) + return -1; + + if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { + dlclose(dri->driver); + fprintf(stderr, "failed to bind extensions\n"); return -1; } + dri->driver_extensions = extensions; - if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { + return 0; +} + +static int +dri_load_driver_swrast(struct gbm_dri_device *dri) +{ + const __DRIextension **extensions; + + extensions = dri_open_driver(dri); + if (!extensions) + return -1; + + if (dri_bind_extensions(dri, gbm_swrast_device_extensions, extensions) < 0) { dlclose(dri->driver); fprintf(stderr, "failed to bind extensions\n"); return -1; } + dri->driver_extensions = extensions; + return 0; } @@ -339,6 +454,43 @@ free_screen: } static int +dri_screen_create_swrast(struct gbm_dri_device *dri) +{ + int ret; + + dri->base.driver_name = strdup("swrast"); + if (dri->base.driver_name == NULL) + return -1; + + ret = dri_load_driver_swrast(dri); + if (ret) { + fprintf(stderr, "failed to load swrast driver\n"); + return ret; + } + + dri->extensions = gbm_dri_screen_extensions; + + if (dri->swrast == NULL) + return -1; + + if (dri->swrast->base.version >= 4) { + dri->screen = dri->swrast->createNewScreen2(0, dri->extensions, + dri->driver_extensions, + &dri->driver_configs, dri); + } else { + dri->screen = dri->swrast->createNewScreen(0, dri->extensions, + &dri->driver_configs, dri); + } + if (dri->screen == NULL) + return -1; + + dri->lookup_image = NULL; + dri->lookup_user_data = NULL; + + return 0; +} + +static int gbm_dri_is_format_supported(struct gbm_device *gbm, uint32_t format, uint32_t usage) @@ -403,7 +555,7 @@ gbm_dri_bo_destroy(struct gbm_bo *_bo) if (bo->image != NULL) { dri->image->destroyImage(bo->image); } else { - munmap(bo->map, bo->size); + gbm_dri_bo_unmap(bo); memset(&arg, 0, sizeof(arg)); arg.handle = bo->handle; drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg); @@ -449,7 +601,7 @@ gbm_dri_bo_import(struct gbm_device *gbm, int gbm_format; /* Required for query image WIDTH & HEIGHT */ - if (dri->image->base.version < 4) { + if (dri->image == NULL || dri->image->base.version < 4) { errno = ENOSYS; return NULL; } @@ -573,16 +725,16 @@ create_dumb(struct gbm_device *gbm, { struct gbm_dri_device *dri = gbm_dri_device(gbm); struct drm_mode_create_dumb create_arg; - struct drm_mode_map_dumb map_arg; struct gbm_dri_bo *bo; struct drm_mode_destroy_dumb destroy_arg; int ret; + int is_cursor, is_scanout; - if (!(usage & GBM_BO_USE_CURSOR)) { - errno = EINVAL; - return NULL; - } - if (format != GBM_FORMAT_ARGB8888) { + is_cursor = (usage & GBM_BO_USE_CURSOR) != 0 && + format == GBM_FORMAT_ARGB8888; + is_scanout = (usage & GBM_BO_USE_SCANOUT) != 0 && + format == GBM_FORMAT_XRGB8888; + if (!is_cursor && !is_scanout) { errno = EINVAL; return NULL; } @@ -608,16 +760,7 @@ create_dumb(struct gbm_device *gbm, bo->handle = create_arg.handle; bo->size = create_arg.size; - memset(&map_arg, 0, sizeof(map_arg)); - map_arg.handle = bo->handle; - - ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg); - if (ret) - goto destroy_dumb; - - bo->map = mmap(0, bo->size, PROT_WRITE, - MAP_SHARED, dri->base.base.fd, map_arg.offset); - if (bo->map == MAP_FAILED) + if (gbm_dri_bo_map(bo) == NULL) goto destroy_dumb; return &bo->base.base; @@ -642,7 +785,7 @@ gbm_dri_bo_create(struct gbm_device *gbm, int dri_format; unsigned dri_use = 0; - if (usage & GBM_BO_USE_WRITE) + if (usage & GBM_BO_USE_WRITE || dri->image == NULL) return create_dumb(gbm, width, height, format, usage); bo = calloc(1, sizeof *bo); @@ -753,7 +896,7 @@ static struct gbm_device * dri_device_create(int fd) { struct gbm_dri_device *dri; - int ret; + int ret, force_sw; dri = calloc(1, sizeof *dri); if (!dri) @@ -773,7 +916,15 @@ dri_device_create(int fd) dri->base.type = GBM_DRM_DRIVER_TYPE_DRI; dri->base.base.name = "drm"; - ret = dri_screen_create(dri); + force_sw = getenv("GBM_ALWAYS_SOFTWARE") != NULL; + if (!force_sw) { + ret = dri_screen_create(dri); + if (ret) + ret = dri_screen_create_swrast(dri); + } else { + ret = dri_screen_create_swrast(dri); + } + if (ret) goto err_dri; diff --git a/src/gbm/backends/dri/gbm_driint.h b/src/gbm/backends/dri/gbm_driint.h index 9c4392d..3f46eff 100644 --- a/src/gbm/backends/dri/gbm_driint.h +++ b/src/gbm/backends/dri/gbm_driint.h @@ -28,6 +28,7 @@ #ifndef _GBM_DRI_INTERNAL_H_ #define _GBM_DRI_INTERNAL_H_ +#include <sys/mman.h> #include "gbmint.h" #include "common_drm.h" @@ -36,6 +37,7 @@ #include "GL/internal/dri_interface.h" struct gbm_dri_surface; +struct gbm_dri_bo; struct gbm_dri_device { struct gbm_drm_device base; @@ -47,6 +49,7 @@ struct gbm_dri_device { const __DRIcoreExtension *core; const __DRIdri2Extension *dri2; const __DRIimageExtension *image; + const __DRIswrastExtension *swrast; const __DRI2flushExtension *flush; const __DRIdri2LoaderExtension *loader; @@ -72,6 +75,22 @@ struct gbm_dri_device { void *loaderPrivate, uint32_t buffer_mask, struct __DRIimageList *buffers); + void (*swrast_put_image2)(__DRIdrawable *driDrawable, + int op, + int x, + int y, + int width, + int height, + int stride, + char *data, + void *loaderPrivate); + void (*swrast_get_image)(__DRIdrawable *driDrawable, + int x, + int y, + int width, + int height, + char *data, + void *loaderPrivate); struct wl_drm *wl_drm; }; @@ -81,7 +100,7 @@ struct gbm_dri_bo { __DRIimage *image; - /* Only used for cursors */ + /* Used for cursors and the swrast front BO */ uint32_t handle, size; void *map; }; @@ -110,4 +129,40 @@ gbm_dri_surface(struct gbm_surface *surface) return (struct gbm_dri_surface *) surface; } +static inline void * +gbm_dri_bo_map(struct gbm_dri_bo *bo) +{ + struct drm_mode_map_dumb map_arg; + int ret; + + if (bo->image != NULL) + return NULL; + + if (bo->map != NULL) + return bo->map; + + memset(&map_arg, 0, sizeof(map_arg)); + map_arg.handle = bo->handle; + + ret = drmIoctl(bo->base.base.gbm->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg); + if (ret) + return NULL; + + bo->map = mmap(0, bo->size, PROT_WRITE, + MAP_SHARED, bo->base.base.gbm->fd, map_arg.offset); + if (bo->map == MAP_FAILED) { + bo->map = NULL; + return NULL; + } + + return bo->map; +} + +static inline void +gbm_dri_bo_unmap(struct gbm_dri_bo *bo) +{ + munmap(bo->map, bo->size); + bo->map = NULL; +} + #endif |