diff options
Diffstat (limited to 'src/egl/drivers/dri2')
| -rw-r--r-- | src/egl/drivers/dri2/egl_dri2.c | 150 |
1 files changed, 135 insertions, 15 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index 0fc33e01513..fcb226443b3 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -1052,20 +1052,120 @@ dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx, } #ifdef HAVE_WAYLAND_PLATFORM + +/* This structure describes how a wl_buffer maps to one or more + * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the + * offsets and strides of the planes in the buffer. This table maps a + * wl_drm format code to a description of the planes in the buffer + * that lets us create a __DRIimage for each of the planes. */ + +static const struct wl_drm_format_descriptor { + uint32_t wl_format; + EGLint components; + int nplanes; + struct { + int buffer_index; + int width_shift; + int height_shift; + uint32_t dri_format; + int cpp; + } planes[3]; +} wl_drm_formats[] = { + { WL_DRM_FORMAT_ARGB8888, EGL_WAYLAND_BUFFER_RGBA_WL, 1, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 }, } }, + + { WL_DRM_FORMAT_XRGB8888, EGL_WAYLAND_BUFFER_RGB_WL, 1, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_XRGB8888, 4 }, } }, + + { WL_DRM_FORMAT_YUV410, EGL_WAYLAND_BUFFER_Y_U_V_WL, 3, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 }, + { 2, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 } } }, + + { WL_DRM_FORMAT_YUV411, EGL_WAYLAND_BUFFER_Y_U_V_WL, 3, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 2, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, + + { WL_DRM_FORMAT_YUV420, EGL_WAYLAND_BUFFER_Y_U_V_WL, 3, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 }, + { 2, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 } } }, + + { WL_DRM_FORMAT_YUV422, EGL_WAYLAND_BUFFER_Y_U_V_WL, 3, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 2, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, + + { WL_DRM_FORMAT_YUV444, EGL_WAYLAND_BUFFER_Y_U_V_WL, 3, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 2, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, + + { WL_DRM_FORMAT_NV12, EGL_WAYLAND_BUFFER_Y_UV_WL, 2, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 1, 1, __DRI_IMAGE_FORMAT_GR88, 2 } } }, + + { WL_DRM_FORMAT_NV16, EGL_WAYLAND_BUFFER_Y_UV_WL, 2, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, + { 1, 1, 0, __DRI_IMAGE_FORMAT_GR88, 2 } } }, + + /* For YUYV buffers, we set up two overlapping DRI images and treat + * them as planar buffers in the compositors. Plane 0 is GR88 and + * samples YU or YV pairs and places Y into the R component, while + * plane 1 is ARGB and samples YUYV clusters and places pairs and + * places U into the G component and V into A. This lets the + * texture sampler interpolate the Y components correctly when + * sampling from plane 0, and interpolate U and V correctly when + * sampling from plane 1. */ + { WL_DRM_FORMAT_YUYV, EGL_WAYLAND_BUFFER_Y_XUXV_WL, 2, + { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 }, + { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } } +}; + static _EGLImage * dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer _buffer, const EGLint *attr_list) { - struct wl_buffer *buffer = (struct wl_buffer *) _buffer; + struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); - __DRIimage *dri_image, *source; + __DRIimage *dri_image; + _EGLImageAttribs attrs; + EGLint err; + uint32_t format; + int32_t offset, stride, plane, width, height; + int cpp, index; + const struct wl_drm_format_descriptor *f; - if (!wayland_buffer_is_drm(buffer)) + if (!wayland_buffer_is_drm(&buffer->buffer)) return NULL; - source = wayland_drm_buffer_get_buffer(buffer); - dri_image = dri2_dpy->image->dupImage(source, NULL); + err = _eglParseImageAttribList(&attrs, disp, attr_list); + plane = attrs.PlaneWL; + if (err != EGL_SUCCESS) { + _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer"); + return NULL; + } + + f = buffer->driver_format; + if (plane < 0 || plane >= f->nplanes) { + _eglError(EGL_BAD_PARAMETER, + "dri2_create_image_wayland_wl_buffer (plane out of bounds)"); + return NULL; + } + + width = buffer->buffer.width >> f->planes[plane].width_shift; + height = buffer->buffer.height >> f->planes[plane].height_shift; + format = f->planes[plane].dri_format; + cpp = f->planes[plane].cpp; + index = f->planes[plane].buffer_index; + offset = buffer->offset[index]; + stride = buffer->stride[index]; + + dri_image = dri2_dpy->image->createSubImage(buffer->driver_buffer, + width, height, format, + offset, stride / cpp, NULL); return dri2_create_image(disp, dri_image); } @@ -1226,23 +1326,22 @@ dri2_wl_reference_buffer(void *user_data, uint32_t name, { _EGLDisplay *disp = user_data; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + int i; - switch (buffer->format) { - case WL_DRM_FORMAT_ARGB8888: - buffer->driver_format =__DRI_IMAGE_FORMAT_ARGB8888; - break; - case WL_DRM_FORMAT_XRGB8888: - buffer->driver_format = __DRI_IMAGE_FORMAT_XRGB8888; - break; - default: + for (i = 0; i < ARRAY_SIZE(wl_drm_formats); i++) + if (wl_drm_formats[i].wl_format == buffer->format) { + buffer->driver_format = &wl_drm_formats[i]; + break; + } + + if (buffer->driver_format == NULL) return; - } buffer->driver_buffer = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, buffer->buffer.width, buffer->buffer.height, - buffer->driver_format, name, + __DRI_IMAGE_FORMAT_NONE, name, buffer->stride[0] / 4, NULL); } @@ -1302,6 +1401,26 @@ dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp, return EGL_TRUE; } + +static EGLBoolean +dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp, + struct wl_buffer *_buffer, + EGLint attribute, EGLint *value) +{ + struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer; + const struct wl_drm_format_descriptor *format; + + if (!wayland_buffer_is_drm(&buffer->buffer)) + return EGL_FALSE; + + format = buffer->driver_format; + if (attribute == EGL_WAYLAND_BUFFER_COMPONENTS_WL) { + *value = format->components; + return EGL_TRUE; + } + + return EGL_FALSE; +} #endif static void @@ -1399,6 +1518,7 @@ _eglBuiltInDriverDRI2(const char *args) #ifdef HAVE_WAYLAND_PLATFORM dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl; dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl; + dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl; #endif dri2_drv->base.Name = "DRI2"; |