From 22b62dd46b7ae4adaa4596eee68a2416e20ebe0f Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Tue, 18 Nov 2025 10:08:35 +0100
Subject: [PATCH] =?UTF-8?q?-=20[FIX]=20Render=20final=20a=20textura,=20per?=
 =?UTF-8?q?=20a=20evitar=20la=20merda=20que=20clava=20la=20GPU=20si=20s'us?=
 =?UTF-8?q?a=20acceleraci=C3=B3=20hardware?=
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Content-Transfer-Encoding: 8bit

---
 .gitignore           |  3 ++-
 source/japi/draw.cpp | 14 +++++++++++++-
 source/japi/draw.h   |  1 +
 source/japi/game.cpp |  4 ++++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index a20dd7d..756ff6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .vscode/*
 dilemmaker
-build/*
\ No newline at end of file
+build/*
+*.exe
diff --git a/source/japi/draw.cpp b/source/japi/draw.cpp
index 6555394..fbf2da9 100644
--- a/source/japi/draw.cpp
+++ b/source/japi/draw.cpp
@@ -7,6 +7,7 @@ namespace draw
 {
     SDL_Window      *sdl_window     {nullptr};  // La finestra de SDL
     SDL_Renderer    *sdl_renderer   {nullptr};  // El renderer de SDL
+    SDL_Texture     *sdl_texture    {nullptr};  // La textura a la que ho renderitze tot
     SDL_Texture     *sdl_source     {nullptr};
 
     void init(const char *titol, const uint16_t width, const uint16_t height)
@@ -22,9 +23,17 @@ namespace draw
             SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "ERROR (draw::init): Failed to initialize renderer!\n");
             exit(1);
         }
+
+        sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, width, height);
         //SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
     }
 
+    void resizeSystemTexture(const uint16_t width, const uint16_t height)
+    {
+        SDL_DestroyTexture(sdl_texture);
+        sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, width, height);
+    }
+
     void quit()
     {
         SDL_DestroyRenderer(sdl_renderer);
@@ -82,7 +91,7 @@ namespace draw
 
     void setDestination(SDL_Texture *surf)
     {
-        SDL_SetRenderTarget(sdl_renderer, surf);
+        SDL_SetRenderTarget(sdl_renderer, surf ? surf : sdl_texture);
     }
 
     void setSource(SDL_Texture *surf)
@@ -185,7 +194,10 @@ namespace draw
     // Refresca la pantalla
     void render()
     {
+        SDL_SetRenderTarget(sdl_renderer, nullptr);
+        SDL_RenderTexture(sdl_renderer, sdl_texture, nullptr, nullptr);
         SDL_RenderPresent(sdl_renderer);
+        SDL_SetRenderTarget(sdl_renderer, sdl_texture);
     }
     
 }
diff --git a/source/japi/draw.h b/source/japi/draw.h
index 5f8bdde..34389c0 100644
--- a/source/japi/draw.h
+++ b/source/japi/draw.h
@@ -7,6 +7,7 @@ namespace draw
     enum flip { none, horizontal, vertical, both };
 
     void init(const char *titol, const uint16_t width, const uint16_t height);
+    void resizeSystemTexture(const uint16_t width, const uint16_t height);
     void quit();
 
     SDL_Texture *createSurface(const uint16_t w, const uint16_t h);
diff --git a/source/japi/game.cpp b/source/japi/game.cpp
index 1c2613b..8c2cf7f 100644
--- a/source/japi/game.cpp
+++ b/source/japi/game.cpp
@@ -114,6 +114,10 @@ int main(int argc, char *argv[])
             {
                 game::windowHasFocus = false;
             }
+            if (e.type == SDL_EVENT_WINDOW_RESIZED)
+            {
+                draw::resizeSystemTexture(e.window.data1, e.window.data2);
+            }
         }
 
         if (SDL_GetTicks()-current_ticks >= game::ticks_per_frame)