281 lines
8.4 KiB
C++
281 lines
8.4 KiB
C++
/**************************************************************************/
|
|
/* visual_server_canvas_helper.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "visual_server_canvas_helper.h"
|
|
|
|
#include "servers/visual/rasterizer.h"
|
|
#include "servers/visual_server.h"
|
|
|
|
LocalVector<MultiRect> VisualServerCanvasHelper::_tilemap_multirects;
|
|
Mutex VisualServerCanvasHelper::_tilemap_mutex;
|
|
|
|
bool VisualServerCanvasHelper::_multirect_enabled = true;
|
|
|
|
MultiRect::MultiRect() {
|
|
begin();
|
|
}
|
|
MultiRect::~MultiRect() {
|
|
end();
|
|
}
|
|
|
|
void MultiRect::begin() {
|
|
DEV_CHECK_ONCE(!rects.size());
|
|
rects.clear();
|
|
sources.clear();
|
|
|
|
state.flags = 0;
|
|
state_set = false;
|
|
}
|
|
|
|
void MultiRect::add_rect(RID p_canvas_item, const Rect2 &p_rect, RID p_texture, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, RID p_normal_map, bool p_clip_uv) {
|
|
bool new_common_data = true;
|
|
|
|
Rect2 rect = p_rect;
|
|
Rect2 source = p_src_rect;
|
|
|
|
// To make the rendering code as efficient as possible,
|
|
// a single MultiRect command should have identical flips and transpose etc.
|
|
// If these change, it flushes the previous multirect and starts a new one.
|
|
uint32_t flags = 0;
|
|
|
|
if (p_rect.size.x < 0) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_FLIP_H;
|
|
rect.size.x = -rect.size.x;
|
|
}
|
|
if (source.size.x < 0) {
|
|
flags ^= RasterizerCanvas::CANVAS_RECT_FLIP_H;
|
|
source.size.x = -source.size.x;
|
|
}
|
|
if (p_rect.size.y < 0) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_FLIP_V;
|
|
rect.size.y = -rect.size.y;
|
|
}
|
|
if (source.size.y < 0) {
|
|
flags ^= RasterizerCanvas::CANVAS_RECT_FLIP_V;
|
|
source.size.y = -source.size.y;
|
|
}
|
|
|
|
if (p_transpose) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_TRANSPOSE;
|
|
SWAP(rect.size.x, rect.size.y);
|
|
}
|
|
|
|
if (p_clip_uv) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_CLIP_UV;
|
|
}
|
|
|
|
VisualServerCanvasHelper::State s;
|
|
s.item = p_canvas_item;
|
|
s.texture = p_texture;
|
|
s.modulate = p_modulate;
|
|
s.normal_map = p_normal_map;
|
|
s.flags = flags;
|
|
|
|
if (!is_empty()) {
|
|
if ((state != s) ||
|
|
(rects.size() >= MAX_RECTS)) {
|
|
end();
|
|
} else {
|
|
new_common_data = false;
|
|
}
|
|
}
|
|
|
|
if (new_common_data) {
|
|
state = s;
|
|
}
|
|
|
|
rects.push_back(rect);
|
|
sources.push_back(source);
|
|
}
|
|
|
|
void MultiRect::begin(const VisualServerCanvasHelper::State &p_state) {
|
|
DEV_CHECK_ONCE(!rects.size());
|
|
rects.clear();
|
|
sources.clear();
|
|
|
|
state = p_state;
|
|
state_set = true;
|
|
}
|
|
|
|
uint32_t MultiRect::flags_from_rects(Rect2 &r_rect, Rect2 &r_source) {
|
|
uint32_t flags = 0;
|
|
|
|
if (r_rect.size.x < 0) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_FLIP_H;
|
|
r_rect.size.x = -r_rect.size.x;
|
|
}
|
|
if (r_rect.size.y < 0) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_FLIP_V;
|
|
r_rect.size.y = -r_rect.size.y;
|
|
}
|
|
|
|
if (r_source.size.x < 0) {
|
|
flags ^= RasterizerCanvas::CANVAS_RECT_FLIP_H;
|
|
r_source.size.x = -r_source.size.x;
|
|
}
|
|
if (r_source.size.y < 0) {
|
|
flags ^= RasterizerCanvas::CANVAS_RECT_FLIP_V;
|
|
r_source.size.y = -r_source.size.y;
|
|
}
|
|
|
|
return flags;
|
|
}
|
|
|
|
bool MultiRect::add_pre_flipped(const Rect2 &p_rect, const Rect2 &p_src_rect) {
|
|
if (rects.is_full()) {
|
|
return false;
|
|
}
|
|
*rects.request() = p_rect;
|
|
*sources.request() = p_src_rect;
|
|
return true;
|
|
}
|
|
|
|
bool MultiRect::add(const Rect2 &p_rect, const Rect2 &p_src_rect, bool p_commit_on_flip_change) {
|
|
if (rects.is_full()) {
|
|
return false;
|
|
}
|
|
|
|
Rect2 rect = p_rect;
|
|
Rect2 source = p_src_rect;
|
|
|
|
uint32_t flags = flags_from_rects(rect, source);
|
|
|
|
if (state_set) {
|
|
// if we are changing these flips, we can no longer continue the same multirect
|
|
if ((state.flags & (RasterizerCanvas::CANVAS_RECT_FLIP_H | RasterizerCanvas::CANVAS_RECT_FLIP_V)) != flags) {
|
|
// different state requires a new multirect
|
|
return false;
|
|
}
|
|
|
|
} else {
|
|
state.flags |= flags;
|
|
state_set = true;
|
|
}
|
|
|
|
*rects.request() = rect;
|
|
*sources.request() = source;
|
|
return true;
|
|
}
|
|
|
|
void MultiRect::end() {
|
|
if (!is_empty()) {
|
|
if (VisualServerCanvasHelper::_multirect_enabled) {
|
|
VisualServer::get_singleton()->canvas_item_add_texture_multirect_region(state.item, rects, state.texture, sources, state.modulate, state.flags, state.normal_map);
|
|
|
|
} else {
|
|
// legacy path
|
|
bool transpose = state.flags & RasterizerCanvas::CANVAS_RECT_TRANSPOSE;
|
|
bool clip_uv = state.flags & RasterizerCanvas::CANVAS_RECT_CLIP_UV;
|
|
|
|
for (uint32_t n = 0; n < rects.size(); n++) {
|
|
VisualServer::get_singleton()->canvas_item_add_texture_rect_region(state.item, rects[n], state.texture, sources[n], state.modulate, transpose, state.normal_map, clip_uv);
|
|
}
|
|
}
|
|
|
|
rects.clear();
|
|
sources.clear();
|
|
}
|
|
state_set = false;
|
|
}
|
|
|
|
void VisualServerCanvasHelper::tilemap_begin() {
|
|
if (_multirect_enabled) {
|
|
_tilemap_mutex.lock();
|
|
}
|
|
}
|
|
|
|
void VisualServerCanvasHelper::tilemap_add_rect(RID p_canvas_item, const Rect2 &p_rect, RID p_texture, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, RID p_normal_map, bool p_clip_uv) {
|
|
if (!_multirect_enabled) {
|
|
VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, p_texture, p_src_rect, p_modulate, p_transpose, p_normal_map, p_clip_uv);
|
|
return;
|
|
}
|
|
|
|
Rect2 rect = p_rect;
|
|
Rect2 source = p_src_rect;
|
|
|
|
// To make the rendering code as efficient as possible,
|
|
// a single MultiRect command should have identical flips and transpose etc.
|
|
// If these change, it flushes the previous multirect and starts a new one.
|
|
uint32_t flags = MultiRect::flags_from_rects(rect, source);
|
|
|
|
if (p_transpose) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_TRANSPOSE;
|
|
SWAP(rect.size.x, rect.size.y);
|
|
}
|
|
|
|
if (p_clip_uv) {
|
|
flags |= RasterizerCanvas::CANVAS_RECT_CLIP_UV;
|
|
}
|
|
|
|
State state;
|
|
state.item = p_canvas_item;
|
|
state.texture = p_texture;
|
|
state.modulate = p_modulate;
|
|
state.normal_map = p_normal_map;
|
|
state.flags = flags;
|
|
|
|
// attempt to add to existing multirect
|
|
for (int n = _tilemap_multirects.size() - 1; n >= 0; n--) {
|
|
MultiRect &mr = _tilemap_multirects[n];
|
|
|
|
// matches state?
|
|
if (mr.state == state) {
|
|
// add .. this may fail if the multirect is full
|
|
if (mr.add_pre_flipped(rect, source)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// disallow if we overlap a multirect
|
|
if (mr.overlaps(rect)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// create new multirect
|
|
_tilemap_multirects.resize(_tilemap_multirects.size() + 1);
|
|
MultiRect &mr = _tilemap_multirects[_tilemap_multirects.size() - 1];
|
|
mr.begin(state);
|
|
mr.add_pre_flipped(rect, source);
|
|
}
|
|
|
|
void VisualServerCanvasHelper::tilemap_end() {
|
|
if (!_multirect_enabled) {
|
|
return;
|
|
}
|
|
|
|
for (uint32_t n = 0; n < _tilemap_multirects.size(); n++) {
|
|
_tilemap_multirects[n].end();
|
|
}
|
|
|
|
_tilemap_multirects.clear();
|
|
_tilemap_mutex.unlock();
|
|
}
|