From 065e3f7ff2a9b6170e51b0104036088e8d163ea0 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sat, 24 Jul 2010 03:34:18 +0200 Subject: r300g: reject resources from handles which are not large enough The driver gets a buffer and its size in resource_from_handle. It computes the required minimum buffer size from given texture properties, and compares the two sizes. This is to early detect DDX bugs. --- src/gallium/winsys/radeon/drm/radeon_drm_buffer.c | 2 +- src/gallium/winsys/radeon/drm/radeon_r300.c | 11 ++++++++--- 2 files changed, 9 insertions(+), 4 deletions(-) (limited to 'src/gallium/winsys/radeon') diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c index 5ea5912089..017eac8464 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c @@ -189,7 +189,7 @@ struct pb_buffer *radeon_drm_bufmgr_create_buffer_from_handle(struct pb_manager pipe_reference_init(&buf->base.base.reference, 1); buf->base.base.alignment = 0; buf->base.base.usage = PB_USAGE_GPU_WRITE | PB_USAGE_GPU_READ; - buf->base.base.size = 0; + buf->base.base.size = bo->size; buf->base.vtbl = &radeon_drm_buffer_vtbl; buf->mgr = mgr; diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.c b/src/gallium/winsys/radeon/drm/radeon_r300.c index effa27f5c7..5544504067 100644 --- a/src/gallium/winsys/radeon/drm/radeon_r300.c +++ b/src/gallium/winsys/radeon/drm/radeon_r300.c @@ -109,14 +109,19 @@ static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws, static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws, struct winsys_handle *whandle, - unsigned *stride) + unsigned *stride, + unsigned *size) { struct radeon_libdrm_winsys *ws = radeon_libdrm_winsys(rws); struct pb_buffer *_buf; - *stride = whandle->stride; - _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle); + + if (stride) + *stride = whandle->stride; + if (size) + *size = _buf->base.size; + return radeon_libdrm_winsys_buffer(_buf); } -- cgit v1.2.3