Publish Chimera GFX source

2026-09-03 03:27:14 +02:00
commit a6037502d7
828 changed files with 100454 additions and 0 deletions
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#define SDL_MAIN_HANDLED
+#include <SDL.h>
+
+#include "firmware_gate.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#ifndef CHIMERA_GFX_PS5_ALLOWED_FIRMWARE
+#define CHIMERA_GFX_PS5_ALLOWED_FIRMWARE "NONE"
+#endif
+
+#define CHIMERA_GFX_PHASE1_WIDTH 1920
+#define CHIMERA_GFX_PHASE1_HEIGHT 1080
+#define CHIMERA_GFX_PHASE1_HOLD_MS 1000u
+
+static void log_stage(const char *stage, int success) {
+    (void)fprintf(stdout, "{\"stage\":\"%s\",\"success\":%s}\n", stage,
+                  success != 0 ? "true" : "false");
+}
+
+int main(int argc, char **argv) {
+    SDL_Window *window = NULL;
+    SDL_Surface *surface = NULL;
+    Uint32 color;
+    int result = 1;
+
+    if (argc != 4 || strcmp(argv[1], "--firmware") != 0 ||
+        strcmp(argv[3], "--acknowledge-phase1-videoout-clear") != 0) {
+        (void)fprintf(
+            stderr, "refusing: exact firmware and acknowledgement required\n");
+        return 64;
+    }
+    if (!chimera_gfx_firmware_gate_allows(CHIMERA_GFX_PS5_ALLOWED_FIRMWARE,
+                                          argv[2])) {
+        (void)fprintf(stderr, "refusing: firmware is not allowlisted\n");
+        return 77;
+    }
+
+    log_stage("firmware_gate", 1);
+    SDL_SetMainReady();
+    if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        log_stage("video_init", 0);
+        goto cleanup;
+    }
+    log_stage("video_init", 1);
+
+    window = SDL_CreateWindow("chimera-gfx controlled clear", 0, 0,
+                              CHIMERA_GFX_PHASE1_WIDTH,
+                              CHIMERA_GFX_PHASE1_HEIGHT, SDL_WINDOW_SHOWN);
+    if (window == NULL) {
+        log_stage("window_create", 0);
+        goto cleanup;
+    }
+    log_stage("window_create", 1);
+
+    surface = SDL_GetWindowSurface(window);
+    if (surface == NULL) {
+        log_stage("surface_acquire", 0);
+        goto cleanup;
+    }
+    log_stage("surface_acquire", 1);
+
+    color = SDL_MapRGBA(surface->format, 0x18u, 0x2au, 0x41u, 0xffu);
+    if (SDL_FillRect(surface, NULL, color) != 0) {
+        log_stage("cpu_fill", 0);
+        goto cleanup;
+    }
+    log_stage("cpu_fill", 1);
+
+    /* This is the only requested display mutation and the hardware gate. */
+    if (SDL_UpdateWindowSurface(window) != 0) {
+        log_stage("single_present", 0);
+        goto cleanup;
+    }
+    log_stage("single_present", 1);
+    SDL_Delay(CHIMERA_GFX_PHASE1_HOLD_MS);
+    result = 0;
+
+cleanup:
+    if (window != NULL) {
+        SDL_DestroyWindow(window);
+    }
+    SDL_Quit();
+    log_stage("cleanup", 1);
+    return result;
+}