- [WIP] Fase 3 en process

2026-04-16 13:49:03 +02:00
parent 884df104bd
commit 52d2fcf0d3
16 changed files with 516 additions and 250 deletions
--- a/source/backends/SDL3/video.cpp
+++ b/source/backends/SDL3/video.cpp
@@ -0,0 +1,88 @@
+#if BACKEND == SDL3
+
+#include "backends/backend.h"
+#include "state.h"
+#include "mini/win/win.h"
+#include "mini/surf/surf.h"
+#include "mini/pal/pal.h"
+#include "mini/shader/shader.h"
+
+namespace backend
+{
+    namespace video
+    {
+        SDL_Window      *window         { nullptr };
+        SDL_Renderer    *renderer       { nullptr };
+        SDL_Texture     *tex_back       { nullptr };
+        SDL_Texture     *tex_shader     { nullptr };
+
+        void init() {
+            const auto &title = mini::win::state.title;
+            const auto &width = mini::win::state.width;
+            const auto &height = mini::win::state.height;
+            auto &zoom = mini::win::state.zoom;
+
+            // Ajustar el zoom a un valor vàlid
+            if (zoom <= 0) zoom = 1;
+            const SDL_DisplayMode *dm = SDL_GetDesktopDisplayMode(SDL_GetPrimaryDisplay());
+            while ( width * zoom > dm->w || height * zoom > dm->h) zoom--;
+
+            // Crear SDL_Window i SDL_Renderer
+            window = SDL_CreateWindow(title, width*zoom, height*zoom, SDL_WINDOW_OPENGL|(mini::win::state.fullscreen?SDL_WINDOW_FULLSCREEN:0));
+            SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
+            renderer = SDL_CreateRenderer(window, NULL);
+
+            // Mostrar o ocultar el cursor
+            if (mini::win::state.cursor) SDL_ShowCursor(); else SDL_HideCursor();
+
+            // Crear textura backbuffer
+            tex_back = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, width, height);
+            SDL_SetTextureScaleMode(tex_back, SDL_SCALEMODE_NEAREST);
+
+            // Crear textura shaders i inicialitzar shaders
+            tex_shader = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, width*zoom, height*zoom);
+            SDL_SetTextureScaleMode(tex_shader, SDL_SCALEMODE_NEAREST);
+            
+            mini::shader::init(window, tex_shader, nullptr);
+            
+            // [TODO]
+            //log_msg(LOG_OK, "Graphics subsystem initialized\n");
+        }
+
+        void quit() {
+            SDL_DestroyTexture(tex_shader);
+            SDL_DestroyTexture(tex_back);
+            SDL_DestroyRenderer(renderer);
+            SDL_DestroyWindow(window);
+        }
+
+        void render() {
+            // Render frame
+            SDL_SetRenderTarget(renderer, tex_shader);
+            //SDL_SetRenderDrawColor(win::state.renderer, 0, 0, 0, 255);
+            //SDL_RenderClear(win::state.renderer);
+
+            uint32_t *pixels;
+            int pitch;
+            SDL_LockTexture(tex_back, NULL, (void**)&pixels, &pitch);
+            for (uint32_t i=0;i<mini::surf::state.screen_surface->size;++i) pixels[i] = mini::pal::palette[mini::surf::state.screen_surface->p[i]];
+            SDL_UnlockTexture(tex_back);
+            SDL_RenderTexture(renderer, tex_back, NULL, NULL); //NEW
+
+            mini::shader::render();
+
+            //SDL_RenderTexture(mini_ren, mini_bak, NULL, NULL);
+            //SDL_RenderPresent(mini_ren);
+        }
+
+        void raise_window() {
+            SDL_RaiseWindow(window);
+        }
+
+        void cursor(const bool value) {
+            if (value) SDL_ShowCursor(); else SDL_HideCursor();
+        }
+    }
+}
+
+#endif