#include <limits.h>
#include <sys/types.h>
+#include <sys/mman.h>
#include <unistd.h>
#include <dlfcn.h>
+#include <xf86drm.h>
#include <GL/gl.h> /* dri_interface needs GL types */
#include <GL/internal/dri_interface.h>
static int
gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count)
{
- struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
- if (dri->image->base.version < 4)
+ if (bo->image != NULL)
return -1;
- return dri->image->write(bo->image, buf, count);
+ memcpy(bo->map, buf, count);
+
+ return 0;
}
static void
{
struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+ struct drm_mode_destroy_dumb arg;
+
+ if (bo->image != NULL) {
+ dri->image->destroyImage(bo->image);
+ } else {
+ munmap(bo->map, bo->size);
+ memset(&arg, 0, sizeof(arg));
+ arg.handle = bo->handle;
+ drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
+ }
- dri->image->destroyImage(bo->image);
free(bo);
}
struct gbm_dri_bo *bo;
__DRIimage *image;
unsigned dri_use = 0;
- int dri_format, width, height, gbm_format, stride, cpp, offset;
+ int gbm_format;
+
+ /* Required for query image WIDTH & HEIGHT */
+ if (dri->image->base.version < 4)
+ return NULL;
switch (type) {
#if HAVE_WAYLAND_PLATFORM
{
struct wl_drm_buffer *wb = (struct wl_drm_buffer *) buffer;
+ if (!wayland_buffer_is_drm(buffer))
+ return NULL;
+
image = wb->driver_buffer;
- stride = wb->stride[0];
- offset = wb->offset[0];
- cpp = 4;
+
switch (wb->format) {
case WL_DRM_FORMAT_XRGB8888:
- dri_format = __DRI_IMAGE_FORMAT_XRGB8888;
gbm_format = GBM_FORMAT_XRGB8888;
break;
case WL_DRM_FORMAT_ARGB8888:
- dri_format = __DRI_IMAGE_FORMAT_ARGB8888;
gbm_format = GBM_FORMAT_ARGB8888;
break;
case WL_DRM_FORMAT_YUYV:
- dri_format = __DRI_IMAGE_FORMAT_ARGB8888;
gbm_format = GBM_FORMAT_YUYV;
break;
default:
case GBM_BO_IMPORT_EGL_IMAGE:
{
+ int dri_format;
if (dri->lookup_image == NULL)
return NULL;
image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data);
dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format);
gbm_format = gbm_dri_to_gbm_format(dri_format);
- dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
- offset = 0;
- cpp = 4;
+ if (gbm_format == 0)
+ return NULL;
break;
}
if (bo == NULL)
return NULL;
- dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
- dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height);
-
- bo->image = dri->image->createSubImage(image,
- width, height, dri_format,
- offset, stride / cpp, NULL);
-
+ bo->image = dri->image->dupImage(image, NULL);
if (usage & GBM_BO_USE_SCANOUT)
dri_use |= __DRI_IMAGE_USE_SCANOUT;
}
bo->base.base.gbm = gbm;
- bo->base.base.width = width;
- bo->base.base.height = height;
- bo->base.base.pitch = stride;
bo->base.base.format = gbm_format;
+
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH,
+ (int*)&bo->base.base.width);
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT,
+ (int*)&bo->base.base.height);
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
+ (int*)&bo->base.base.stride);
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE,
&bo->base.base.handle.s32);
return &bo->base.base;
}
+static struct gbm_bo *
+create_dumb(struct gbm_device *gbm,
+ uint32_t width, uint32_t height,
+ uint32_t format, uint32_t usage)
+{
+ 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;
+
+ if (!(usage & GBM_BO_USE_CURSOR_64X64))
+ return NULL;
+ if (format != GBM_FORMAT_ARGB8888)
+ return NULL;
+
+ bo = calloc(1, sizeof *bo);
+ if (bo == NULL)
+ return NULL;
+
+ create_arg.bpp = 32;
+ create_arg.width = width;
+ create_arg.height = height;
+
+ ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg);
+ if (ret)
+ goto free_bo;
+
+ bo->base.base.gbm = gbm;
+ bo->base.base.width = width;
+ bo->base.base.height = height;
+ bo->base.base.stride = create_arg.pitch;
+ bo->base.base.handle.u32 = create_arg.handle;
+ 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)
+ goto destroy_dumb;
+
+ return &bo->base.base;
+
+destroy_dumb:
+ memset(&destroy_arg, 0, sizeof destroy_arg);
+ destroy_arg.handle = create_arg.handle;
+ drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
+free_bo:
+ free(bo);
+
+ return NULL;
+}
+
static struct gbm_bo *
gbm_dri_bo_create(struct gbm_device *gbm,
uint32_t width, uint32_t height,
int dri_format;
unsigned dri_use = 0;
- if (dri->image->base.version < 4 && (usage & GBM_BO_USE_WRITE))
- return NULL;
+ if (usage & GBM_BO_USE_WRITE)
+ return create_dumb(gbm, width, height, format, usage);
bo = calloc(1, sizeof *bo);
if (bo == NULL)
dri_use |= __DRI_IMAGE_USE_SCANOUT;
if (usage & GBM_BO_USE_CURSOR_64X64)
dri_use |= __DRI_IMAGE_USE_CURSOR;
- if (usage & GBM_BO_USE_WRITE)
- dri_use |= __DRI_IMAGE_USE_WRITE;
+
+ /* Gallium drivers requires shared in order to get the handle/stride */
+ dri_use |= __DRI_IMAGE_USE_SHARE;
bo->image =
dri->image->createImage(dri->screen,
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE,
&bo->base.base.handle.s32);
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
- (int *) &bo->base.base.pitch);
+ (int *) &bo->base.base.stride);
return &bo->base.base;
}
dri->base.base.name = "drm";
ret = dri_screen_create(dri);
- if (ret) {
- free(dri);
- return NULL;
- }
+ if (ret)
+ goto err_dri;
return &dri->base.base;
+
+err_dri:
+ free(dri);
+
+ return NULL;
}
struct gbm_backend gbm_dri_backend = {
projects / mesa.git / blobdiff