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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#include <quantum.h>
#include <utf8.h>
#include "qp_internal.h"
#include "qp_comms.h"
#include "qp_draw.h"
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Internal driver validation
static bool validate_driver_vtable(painter_driver_t *driver) {
return (driver && driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels && driver->driver_vtable->append_pixdata) ? true : false;
}
static bool validate_comms_vtable(painter_driver_t *driver) {
return (driver && driver->comms_vtable && driver->comms_vtable->comms_init && driver->comms_vtable->comms_start && driver->comms_vtable->comms_stop && driver->comms_vtable->comms_send) ? true : false;
}
static bool validate_driver_integrity(painter_driver_t *driver) {
return validate_driver_vtable(driver) && validate_comms_vtable(driver);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_init
bool qp_init(painter_device_t device, painter_rotation_t rotation) {
qp_dprintf("qp_init: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver) {
qp_dprintf("qp_init: fail (pointer to NULL)\n");
return false;
}
driver->validate_ok = false;
if (!validate_driver_integrity(driver)) {
qp_dprintf("Failed to validate driver integrity in qp_init\n");
return false;
}
driver->validate_ok = true;
if (!qp_comms_init(device)) {
driver->validate_ok = false;
qp_dprintf("qp_init: fail (could not init comms)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_init: fail (could not start comms)\n");
return false;
}
// Set the rotation before init
driver->rotation = rotation;
// Invoke init
bool ret = driver->driver_vtable->init(device, rotation);
qp_comms_stop(device);
qp_dprintf("qp_init: %s\n", ret ? "ok" : "fail");
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_power
bool qp_power(painter_device_t device, bool power_on) {
qp_dprintf("qp_power: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_power: fail (validation_ok == false)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_power: fail (could not start comms)\n");
return false;
}
bool ret = driver->driver_vtable->power(device, power_on);
qp_comms_stop(device);
qp_dprintf("qp_power: %s\n", ret ? "ok" : "fail");
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_clear
bool qp_clear(painter_device_t device) {
qp_dprintf("qp_clear: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_clear: fail (validation_ok == false)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_clear: fail (could not start comms)\n");
return false;
}
bool ret = driver->driver_vtable->clear(device);
qp_comms_stop(device);
qp_dprintf("qp_clear: %s\n", ret ? "ok" : "fail");
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_flush
bool qp_flush(painter_device_t device) {
qp_dprintf("qp_flush: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_flush: fail (validation_ok == false)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_flush: fail (could not start comms)\n");
return false;
}
bool ret = driver->driver_vtable->flush(device);
qp_comms_stop(device);
qp_dprintf("qp_flush: %s\n", ret ? "ok" : "fail");
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_get_*
uint16_t qp_get_width(painter_device_t device) {
qp_dprintf("qp_get_width: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_get_width: fail (invalid driver)\n");
return 0;
}
uint16_t width;
switch (driver->rotation) {
default:
case QP_ROTATION_0:
case QP_ROTATION_180:
width = driver->panel_width;
break;
case QP_ROTATION_90:
case QP_ROTATION_270:
width = driver->panel_height;
break;
}
qp_dprintf("qp_get_width: ok\n");
return width;
}
uint16_t qp_get_height(painter_device_t device) {
qp_dprintf("qp_get_height: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_get_height: fail (invalid driver)\n");
return 0;
}
uint16_t height;
switch (driver->rotation) {
default:
case QP_ROTATION_0:
case QP_ROTATION_180:
height = driver->panel_height;
break;
case QP_ROTATION_90:
case QP_ROTATION_270:
height = driver->panel_width;
break;
}
qp_dprintf("qp_get_height: ok\n");
return height;
}
painter_rotation_t qp_get_rotation(painter_device_t device) {
qp_dprintf("qp_get_rotation: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_get_rotation: fail (invalid driver)\n");
return QP_ROTATION_0;
}
qp_dprintf("qp_get_rotation: ok\n");
return driver->rotation;
}
uint16_t qp_get_offset_x(painter_device_t device) {
qp_dprintf("qp_get_offset_x: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_get_offset_x: fail (invalid driver)\n");
return 0;
}
qp_dprintf("qp_get_offset_x: ok\n");
return driver->offset_x;
}
uint16_t qp_get_offset_y(painter_device_t device) {
qp_dprintf("qp_get_offset_y: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_get_offset_y: fail (invalid driver)\n");
return 0;
}
qp_dprintf("qp_get_offset_y: ok\n");
return driver->offset_y;
}
void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y) {
qp_dprintf("qp_geometry: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_geometry: fail (invalid driver)\n");
return;
}
if (width) {
*width = qp_get_width(device);
}
if (height) {
*height = qp_get_height(device);
}
if (rotation) {
*rotation = qp_get_rotation(device);
}
if (offset_x) {
*offset_x = qp_get_offset_x(device);
}
if (offset_y) {
*offset_y = qp_get_offset_y(device);
}
qp_dprintf("qp_get_geometry: ok\n");
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_set_viewport_offsets
void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_t offset_y) {
qp_dprintf("qp_set_viewport_offsets: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver) {
qp_dprintf("qp_set_viewport_offsets: fail (pointer to NULL)\n");
return;
}
driver->offset_x = offset_x;
driver->offset_y = offset_y;
qp_dprintf("qp_set_viewport_offsets: ok\n");
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_viewport
bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
qp_dprintf("qp_viewport: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_viewport: fail (validation_ok == false)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_viewport: fail (could not start comms)\n");
return false;
}
// Set the viewport
bool ret = driver->driver_vtable->viewport(device, left, top, right, bottom);
qp_dprintf("qp_viewport: %s\n", ret ? "ok" : "fail");
qp_comms_stop(device);
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_pixdata
bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count) {
qp_dprintf("qp_pixdata: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_pixdata: fail (validation_ok == false)\n");
return false;
}
if (!qp_comms_start(device)) {
qp_dprintf("qp_pixdata: fail (could not start comms)\n");
return false;
}
bool ret = driver->driver_vtable->pixdata(device, pixel_data, native_pixel_count);
qp_dprintf("qp_pixdata: %s\n", ret ? "ok" : "fail");
qp_comms_stop(device);
return ret;
}
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