clients: add scaler test app
This client tests the wl_scaler and wl_surface_scaler protocol extensions by cropping and then scaling a surface to ensure it is rendered correctly. More details in comments in the code.
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@ -11,6 +11,7 @@ weston-image
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weston-nested
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weston-nested-client
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weston-resizor
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weston-scaler
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weston-simple-egl
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weston-simple-shm
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weston-simple-touch
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@ -28,6 +29,8 @@ weston-keyboard
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libtoytoolkit.a
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screenshooter-client-protocol.h
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screenshooter-protocol.c
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scaler-client-protocol.h
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scaler-protocol.c
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tablet-shell-client-protocol.h
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tablet-shell-protocol.c
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text-client-protocol.h
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@ -78,6 +78,7 @@ clients_programs = \
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weston-fullscreen \
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weston-stacking \
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weston-calibrator \
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weston-scaler \
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$(subsurfaces) \
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$(full_gl_client_programs) \
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$(cairo_glesv2_programs)
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@ -93,6 +94,8 @@ libtoytoolkit_la_SOURCES = \
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window.h \
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text-cursor-position-protocol.c \
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text-cursor-position-client-protocol.h \
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scaler-protocol.c \
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scaler-client-protocol.h \
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workspaces-protocol.c \
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workspaces-client-protocol.h
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@ -131,6 +134,9 @@ weston_smoke_LDADD = libtoytoolkit.la
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weston_resizor_SOURCES = resizor.c
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weston_resizor_LDADD = libtoytoolkit.la
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weston_scaler_SOURCES = scaler.c
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weston_scaler_LDADD = libtoytoolkit.la
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if HAVE_CAIRO_GLESV2
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cairo_glesv2_programs = weston-nested weston-nested-client
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@ -216,6 +222,8 @@ BUILT_SOURCES = \
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input-method-client-protocol.h \
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desktop-shell-client-protocol.h \
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desktop-shell-protocol.c \
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scaler-client-protocol.h \
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scaler-protocol.c \
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workspaces-client-protocol.h \
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workspaces-protocol.c
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@ -0,0 +1,215 @@
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/*
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* Copyright © 2008 Kristian Høgsberg
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* Copyright © 2013 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <cairo.h>
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#include <linux/input.h>
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#include "window.h"
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#include "scaler-client-protocol.h"
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#define BUFFER_SCALE 2
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static const int BUFFER_WIDTH = 421 * BUFFER_SCALE;
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static const int BUFFER_HEIGHT = 337 * BUFFER_SCALE;
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static const int SURFACE_WIDTH = 55 * 4;
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static const int SURFACE_HEIGHT = 77 * 4;
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static const double RECT_X = 21 * BUFFER_SCALE; /* buffer coords */
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static const double RECT_Y = 25 * BUFFER_SCALE;
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static const double RECT_W = 55 * BUFFER_SCALE;
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static const double RECT_H = 77 * BUFFER_SCALE;
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struct box {
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struct display *display;
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struct window *window;
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struct widget *widget;
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int width, height;
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struct wl_scaler *scaler;
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struct wl_surface_scaler *surface_scaler;
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};
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static void
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resize_handler(struct widget *widget,
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int32_t width, int32_t height, void *data)
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{
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struct box *box = data;
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/* Dont resize me */
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widget_set_size(box->widget, box->width, box->height);
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}
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct box *box = data;
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cairo_surface_t *surface;
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cairo_t *cr;
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surface = window_get_surface(box->window);
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if (surface == NULL ||
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cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
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fprintf(stderr, "failed to create cairo egl surface\n");
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return;
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}
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cr = cairo_create(surface);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_line_width(cr, 1.0);
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cairo_translate(cr, RECT_X, RECT_Y);
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/* red background */
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cairo_set_source_rgba(cr, 255, 0, 0, 255);
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cairo_paint(cr);
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/* blue box */
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cairo_set_source_rgba(cr, 0, 0, 255, 255);
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cairo_rectangle(cr, 0, 0, RECT_W, RECT_H);
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cairo_fill(cr);
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/* black border outside the box */
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_move_to(cr, 0, RECT_H + 0.5);
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cairo_line_to(cr, RECT_W, RECT_H + 0.5);
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cairo_stroke(cr);
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/* white border inside the box */
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_move_to(cr, RECT_W - 0.5, 0);
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cairo_line_to(cr, RECT_W - 0.5, RECT_H);
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cairo_stroke(cr);
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/* the green border on inside the box, to be split half by crop */
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cairo_set_source_rgb(cr, 0, 1, 0);
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cairo_move_to(cr, 0.5, RECT_H);
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cairo_line_to(cr, 0.5, 0);
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cairo_move_to(cr, 0, 0.5);
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cairo_line_to(cr, RECT_W, 0.5);
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cairo_stroke(cr);
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cairo_destroy(cr);
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/* TODO: buffer_transform */
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cairo_surface_destroy(surface);
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}
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static void
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global_handler(struct display *display, uint32_t name,
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const char *interface, uint32_t version, void *data)
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{
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struct box *box = data;
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wl_fixed_t src_x, src_y, src_width, src_height;
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/* Cut the green border in half, take white border fully in,
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* and black border fully out. The borders are 1px wide in buffer.
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*
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* The gl-renderer uses linear texture sampling, this means the
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* top and left edges go to 100% green, bottom goes to 50% blue/black,
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* right edge has thick white sliding to 50% red.
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*/
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src_x = wl_fixed_from_double((RECT_X + 0.5) / BUFFER_SCALE);
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src_y = wl_fixed_from_double((RECT_Y + 0.5) / BUFFER_SCALE);
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src_width = wl_fixed_from_double((RECT_W - 0.5) / BUFFER_SCALE);
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src_height = wl_fixed_from_double((RECT_H - 0.5) / BUFFER_SCALE);
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if (strcmp(interface, "wl_scaler") == 0) {
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box->scaler = display_bind(display, name,
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&wl_scaler_interface, 1);
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box->surface_scaler = wl_scaler_get_surface_scaler(box->scaler,
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widget_get_wl_surface(box->widget));
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wl_surface_scaler_set(box->surface_scaler,
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src_x, src_y, src_width, src_height,
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SURFACE_WIDTH, SURFACE_HEIGHT); /* dst */
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}
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}
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button, enum wl_pointer_button_state state, void *data)
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{
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struct box *box = data;
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if (button != BTN_LEFT)
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return;
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if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
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window_move(box->window, input,
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display_get_serial(box->display));
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}
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}
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static void
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touch_down_handler(struct widget *widget, struct input *input,
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uint32_t serial, uint32_t time, int32_t id,
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float x, float y, void *data)
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{
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struct box *box = data;
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window_move(box->window, input,
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display_get_serial(box->display));
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}
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int
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main(int argc, char *argv[])
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{
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struct box box;
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struct display *d;
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struct timeval tv;
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d = display_create(&argc, argv);
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if (d == NULL) {
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fprintf(stderr, "failed to create display: %m\n");
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return -1;
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}
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gettimeofday(&tv, NULL);
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srandom(tv.tv_usec);
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box.width = BUFFER_WIDTH / BUFFER_SCALE;
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box.height = BUFFER_HEIGHT / BUFFER_SCALE;
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box.display = d;
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box.window = window_create(d);
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box.widget = window_add_widget(box.window, &box);
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window_set_title(box.window, "Scaler Test Box");
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window_set_buffer_scale(box.window, BUFFER_SCALE);
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widget_set_resize_handler(box.widget, resize_handler);
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widget_set_redraw_handler(box.widget, redraw_handler);
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widget_set_button_handler(box.widget, button_handler);
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widget_set_default_cursor(box.widget, CURSOR_HAND1);
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widget_set_touch_down_handler(box.widget, touch_down_handler);
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window_schedule_resize(box.window, box.width, box.height);
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display_set_user_data(box.display, &box);
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display_set_global_handler(box.display, global_handler);
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display_run(d);
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window_destroy(box.window);
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return 0;
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}
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