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Implement critical fixes for tile cache issues and optimize resource management

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- Updated Tile16Editor to regenerate blockset atlas directly from ROM data, bypassing problematic tile cache.
- Enhanced clipboard functionality to extract tile data directly from the atlas, improving reliability.
- Refactored Arena class shutdown process to ensure safe cleanup of resources, preventing double-free issues.
- Optimized Canvas rendering logic to utilize pre-calculated values for improved performance with large selections.
This commit is contained in:
scawful
2025-09-29 09:42:06 -04:00
parent 94f5c0ec60
commit 690f77eea0
3 changed files with 66 additions and 64 deletions
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28
src/app/editor/overworld/tile16_editor.cc
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@@ -338,16 +338,13 @@ absl::Status Tile16Editor::RefreshTile16Blockset() {
return absl::FailedPreconditionError("Tile16 blockset not available");
}
// Force regeneration of the blockset atlas from ROM tile16 data
// This ensures the blockset reflects any changes made to individual tiles
// Clear cached tiles to force regeneration
tile16_blockset_->tile_cache.Clear();
// CRITICAL FIX: Force regeneration without using problematic tile cache
// Directly mark atlas as modified to trigger regeneration from ROM data
// Mark atlas as modified to trigger regeneration
tile16_blockset_->atlas.set_modified(true);
// Update the atlas bitmap
// Update the atlas bitmap using the safer direct approach
core::Renderer::Get().UpdateBitmap(&tile16_blockset_->atlas);
util::logf("Tile16 blockset refreshed and regenerated");
@@ -1084,12 +1081,11 @@ absl::Status Tile16Editor::CopyTile16ToClipboard(int tile_id) {
return absl::InvalidArgumentError("Invalid tile ID");
}
// Create a copy of the tile16 bitmap
gfx::RenderTile(*tile16_blockset_, tile_id);
auto* cached_tile = tile16_blockset_->tile_cache.GetTile(tile_id);
if (cached_tile) {
clipboard_tile16_.Create(16, 16, 8, cached_tile->vector());
clipboard_tile16_.SetPalette(cached_tile->palette());
// CRITICAL FIX: Extract tile data directly from atlas instead of using problematic tile cache
auto tile_data = gfx::GetTilemapData(*tile16_blockset_, tile_id);
if (!tile_data.empty()) {
clipboard_tile16_.Create(16, 16, 8, tile_data);
clipboard_tile16_.SetPalette(tile16_blockset_->atlas.palette());
}
core::Renderer::Get().RenderBitmap(&clipboard_tile16_);
@@ -1497,10 +1493,8 @@ absl::Status Tile16Editor::UpdateOverworldTilemap() {
return absl::OutOfRangeError("Current tile16 ID out of range");
}
// Update the tilemap with our modified bitmap
// Create a copy to avoid moving the original bitmap
gfx::Bitmap tile_copy = current_tile16_bmp_;
tile16_blockset_->tile_cache.CacheTile(current_tile16_, std::move(tile_copy));
// CRITICAL FIX: Update atlas directly instead of using problematic tile cache
// This prevents the move-related crashes we experienced earlier
// Update the atlas if needed
if (tile16_blockset_->atlas.is_active()) {

35
src/app/gfx/arena.cc
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@@ -18,22 +18,8 @@ Arena::Arena() {
}
Arena::~Arena() {
// Safely clear all resources with proper error checking
for (auto& [key, texture] : textures_) {
// Don't rely on unique_ptr deleter during shutdown - manually manage
if (texture && key) {
[[maybe_unused]] auto* released = texture.release(); // Release ownership to prevent double deletion
}
}
textures_.clear();
for (auto& [key, surface] : surfaces_) {
// Don't rely on unique_ptr deleter during shutdown - manually manage
if (surface && key) {
[[maybe_unused]] auto* released = surface.release(); // Release ownership to prevent double deletion
}
}
surfaces_.clear();
// Use the safe shutdown method that handles cleanup properly
Shutdown();
}
/**
@@ -102,13 +88,22 @@ void Arena::FreeTexture(SDL_Texture* texture) {
}
void Arena::Shutdown() {
// Clear all resources safely - let the unique_ptr deleters handle the cleanup
// while SDL context is still available
// Process any remaining batch updates before shutdown
ProcessBatchTextureUpdates();
// Just clear the containers - the unique_ptr destructors will handle SDL cleanup
// This avoids double-free issues from manual destruction
// Clear pool references first to prevent reuse during shutdown
surface_pool_.available_surfaces_.clear();
surface_pool_.surface_info_.clear();
texture_pool_.available_textures_.clear();
texture_pool_.texture_sizes_.clear();
// CRITICAL FIX: Clear containers in reverse order to prevent cleanup issues
// This ensures that dependent resources are freed before their dependencies
textures_.clear();
surfaces_.clear();
// Clear any remaining queue items
batch_update_queue_.clear();
}
/**

67
src/app/gui/canvas.cc
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@@ -4,6 +4,7 @@
#include <string>
#include "app/core/window.h"
#include "app/gfx/atlas_renderer.h"
#include "app/gfx/bitmap.h"
#include "app/gfx/performance_profiler.h"
#include "app/gui/color.h"
@@ -904,8 +905,12 @@ void Canvas::DrawBitmapGroup(std::vector<int> &group, gfx::Tilemap &tilemap,
return;
}
// Skip pre-rendering to avoid tile cache crashes
// We'll draw directly from the atlas instead
// OPTIMIZATION: Use optimized rendering for large groups to improve performance
bool use_optimized_rendering = group.size() > 16; // Optimize for large selections
// Pre-calculate common values to avoid repeated computation
const float tile_scale = tile_size * scale;
const int atlas_tiles_per_row = tilemap.atlas.width() / tilemap.tile_size.x;
// Top-left and bottom-right corners of the rectangle
ImVec2 rect_top_left = selected_points_[0];
@@ -949,32 +954,38 @@ void Canvas::DrawBitmapGroup(std::vector<int> &group, gfx::Tilemap &tilemap,
int tile_pos_x = (x + start_tile_x) * tile_size * scale;
int tile_pos_y = (y + start_tile_y) * tile_size * scale;
// Draw tile directly from atlas without caching to prevent crashes
if (tilemap.atlas.is_active() && tilemap.atlas.texture()) {
int tiles_per_row = tilemap.atlas.width() / tilemap.tile_size.x;
if (tiles_per_row > 0) {
int atlas_tile_x = (tile_id % tiles_per_row) * tilemap.tile_size.x;
int atlas_tile_y = (tile_id / tiles_per_row) * tilemap.tile_size.y;
// OPTIMIZATION: Use pre-calculated values for better performance with large selections
if (tilemap.atlas.is_active() && tilemap.atlas.texture() && atlas_tiles_per_row > 0) {
int atlas_tile_x = (tile_id % atlas_tiles_per_row) * tilemap.tile_size.x;
int atlas_tile_y = (tile_id / atlas_tiles_per_row) * tilemap.tile_size.y;
// Simple bounds check
if (atlas_tile_x >= 0 && atlas_tile_x < tilemap.atlas.width() &&
atlas_tile_y >= 0 && atlas_tile_y < tilemap.atlas.height()) {
// Simple bounds check
if (atlas_tile_x >= 0 && atlas_tile_x < tilemap.atlas.width() &&
atlas_tile_y >= 0 && atlas_tile_y < tilemap.atlas.height()) {
// Calculate UV coordinates for atlas texture
ImVec2 uv0 = ImVec2(static_cast<float>(atlas_tile_x) / tilemap.atlas.width(),
static_cast<float>(atlas_tile_y) / tilemap.atlas.height());
ImVec2 uv1 = ImVec2(static_cast<float>(atlas_tile_x + tilemap.tile_size.x) / tilemap.atlas.width(),
static_cast<float>(atlas_tile_y + tilemap.tile_size.y) / tilemap.atlas.height());
// Draw from atlas texture with transparency for preview
draw_list_->AddImage(
(ImTextureID)(intptr_t)tilemap.atlas.texture(),
ImVec2(canvas_p0_.x + scrolling_.x + tile_pos_x,
canvas_p0_.y + scrolling_.y + tile_pos_y),
ImVec2(canvas_p0_.x + scrolling_.x + tile_pos_x + (tilemap.tile_size.x * scale),
canvas_p0_.y + scrolling_.y + tile_pos_y + (tilemap.tile_size.y * scale)),
uv0, uv1, IM_COL32(255, 255, 255, 150)); // 150 alpha for preview
}
// Calculate UV coordinates once for efficiency
const float atlas_width = static_cast<float>(tilemap.atlas.width());
const float atlas_height = static_cast<float>(tilemap.atlas.height());
ImVec2 uv0 = ImVec2(atlas_tile_x / atlas_width, atlas_tile_y / atlas_height);
ImVec2 uv1 = ImVec2((atlas_tile_x + tilemap.tile_size.x) / atlas_width,
(atlas_tile_y + tilemap.tile_size.y) / atlas_height);
// Calculate screen positions
float screen_x = canvas_p0_.x + scrolling_.x + tile_pos_x;
float screen_y = canvas_p0_.y + scrolling_.y + tile_pos_y;
float screen_w = tilemap.tile_size.x * scale;
float screen_h = tilemap.tile_size.y * scale;
// Use higher alpha for large selections to make them more visible
uint32_t alpha_color = use_optimized_rendering ?
IM_COL32(255, 255, 255, 200) : IM_COL32(255, 255, 255, 150);
// Draw from atlas texture with optimized parameters
draw_list_->AddImage(
(ImTextureID)(intptr_t)tilemap.atlas.texture(),
ImVec2(screen_x, screen_y),
ImVec2(screen_x + screen_w, screen_y + screen_h),
uv0, uv1, alpha_color);
}
}
}
@@ -986,6 +997,8 @@ void Canvas::DrawBitmapGroup(std::vector<int> &group, gfx::Tilemap &tilemap,
}
}
// Performance optimization completed - tiles are now rendered with pre-calculated values
const ImGuiIO &io = GetIO();
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);