wsi/x11: add xcb_put_image support for larger transfers.

This was noticed as a problem in the EGL code, just fixup wsi.

Cc: mesa-stable
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17155>
This commit is contained in:
Dave Airlie
2022-06-22 05:53:52 +10:00
committed by Marge Bot
parent c5dbb1139c
commit d3e723fb77

View File

@@ -1291,21 +1291,46 @@ x11_present_to_x11_sw(struct x11_swapchain *chain, uint32_t image_index,
xcb_void_cookie_t cookie;
void *myptr;
size_t hdr_len = sizeof(xcb_put_image_request_t);
int stride_b = image->base.row_pitches[0];
size_t size = (hdr_len + stride_b * chain->extent.height) >> 2;
uint64_t max_req_len = xcb_get_maximum_request_length(chain->conn);
chain->base.wsi->MapMemory(chain->base.device,
image->base.memory,
0, 0, 0, &myptr);
cookie = xcb_put_image(chain->conn, XCB_IMAGE_FORMAT_Z_PIXMAP,
chain->window,
chain->gc,
image->base.row_pitches[0] / 4,
chain->extent.height,
0,0,0,24,
image->base.row_pitches[0] * chain->extent.height,
myptr);
if (size < max_req_len) {
cookie = xcb_put_image(chain->conn, XCB_IMAGE_FORMAT_Z_PIXMAP,
chain->window,
chain->gc,
image->base.row_pitches[0] / 4,
chain->extent.height,
0,0,0,24,
image->base.row_pitches[0] * chain->extent.height,
myptr);
xcb_discard_reply(chain->conn, cookie.sequence);
} else {
int num_lines = ((max_req_len << 2) - hdr_len) / stride_b;
int y_start = 0;
int y_todo = chain->extent.height;
while (y_todo) {
int this_lines = MIN2(num_lines, y_todo);
cookie = xcb_put_image(chain->conn, XCB_IMAGE_FORMAT_Z_PIXMAP,
chain->window,
chain->gc,
image->base.row_pitches[0] / 4,
this_lines,
0,y_start,0,24,
this_lines * stride_b,
(const uint8_t *)myptr + (y_start * stride_b));
xcb_discard_reply(chain->conn, cookie.sequence);
y_start += this_lines;
y_todo -= this_lines;
}
}
chain->base.wsi->UnmapMemory(chain->base.device, image->base.memory);
xcb_discard_reply(chain->conn, cookie.sequence);
xcb_flush(chain->conn);
return x11_swapchain_result(chain, VK_SUCCESS);
}