diff options
Diffstat (limited to 'src/amdgpu_pixmap.h')
| -rw-r--r-- | src/amdgpu_pixmap.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/amdgpu_pixmap.h b/src/amdgpu_pixmap.h index a8de26a..00fb5bf 100644 --- a/src/amdgpu_pixmap.h +++ b/src/amdgpu_pixmap.h @@ -35,6 +35,7 @@ struct amdgpu_pixmap { uint64_t tiling_info; struct amdgpu_buffer *bo; + struct drmmode_fb *fb; /* GEM handle for pixmaps shared via DRI2/3 */ Bool handle_valid; @@ -56,6 +57,8 @@ static inline void amdgpu_set_pixmap_private(PixmapPtr pixmap, static inline Bool amdgpu_set_pixmap_bo(PixmapPtr pPix, struct amdgpu_buffer *bo) { + ScrnInfoPtr scrn = xf86ScreenToScrn(pPix->drawable.pScreen); + AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); struct amdgpu_pixmap *priv; priv = amdgpu_get_pixmap_private(pPix); @@ -71,6 +74,8 @@ static inline Bool amdgpu_set_pixmap_bo(PixmapPtr pPix, struct amdgpu_buffer *bo priv->handle_valid = FALSE; } + drmmode_fb_reference(pAMDGPUEnt->fd, &priv->fb, NULL); + if (!bo) { free(priv); priv = NULL; @@ -98,6 +103,59 @@ static inline struct amdgpu_buffer *amdgpu_get_pixmap_bo(PixmapPtr pPix) return priv ? priv->bo : NULL; } +static inline struct drmmode_fb* +amdgpu_fb_create(int drm_fd, uint32_t width, uint32_t height, uint8_t depth, + uint8_t bpp, uint32_t pitch, uint32_t handle) +{ + struct drmmode_fb *fb = malloc(sizeof(*fb)); + + if (!fb) + return NULL; + + fb->refcnt = 1; + if (drmModeAddFB(drm_fd, width, height, depth, bpp, pitch, handle, + &fb->handle) == 0) + return fb; + + free(fb); + return NULL; +} + +static inline struct drmmode_fb* +amdgpu_pixmap_create_fb(int drm_fd, PixmapPtr pix) +{ + uint32_t handle; + + if (!amdgpu_pixmap_get_handle(pix, &handle)) + return NULL; + + return amdgpu_fb_create(drm_fd, pix->drawable.width, pix->drawable.height, + pix->drawable.depth, pix->drawable.bitsPerPixel, + pix->devKind, handle); +} + +static inline struct drmmode_fb* +amdgpu_pixmap_get_fb(PixmapPtr pix) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(pix->drawable.pScreen); + AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); + AMDGPUInfoPtr info = AMDGPUPTR(scrn); + + if (info->use_glamor) { + struct amdgpu_pixmap *priv = amdgpu_get_pixmap_private(pix); + + if (!priv) + return NULL; + + if (!priv->fb) + priv->fb = amdgpu_pixmap_create_fb(pAMDGPUEnt->fd, pix); + + return priv->fb; + } + + return NULL; +} + enum { AMDGPU_CREATE_PIXMAP_DRI2 = 0x08000000, AMDGPU_CREATE_PIXMAP_LINEAR = 0x04000000, |