Allocate data from a stack allocator

1 files changed, 14 insertions, 10 deletions

diff --git a/demos/isomap/isomap.c b/demos/isomap/isomap.c
index b328bfa..efae7fd 100644
--- a/demos/isomap/isomap.c
+++ b/demos/isomap/isomap.c
@@ -5,6 +5,7 @@
 
 #include <assert.h>
 #include <stdbool.h>
+#include <stdint.h>
 
 static const int WINDOW_WIDTH  = 1408;
 static const int WINDOW_HEIGHT = 960;
@@ -14,6 +15,9 @@ static const int MAX_FPS       = 60;
 static const int SCREEN_WIDTH  = 704;
 static const int SCREEN_HEIGHT = 480;
 
+#define MEMORY_SIZE (2 * 1024 * 1024)
+uint8_t MEMORY[MEMORY_SIZE];
+
 typedef struct GfxAppState {
   IsoBackend* backend;
   IsoGfx*     iso;
@@ -28,30 +32,30 @@ static bool init(GfxAppState* state, int argc, const char** argv) {
   (void)argc;
   (void)argv;
 
-  if (!(state->iso = isogfx_new(&(IsoGfxDesc){
-            .screen_width = SCREEN_WIDTH, .screen_height = SCREEN_HEIGHT}))) {
+  if (!((state->iso =
+             isogfx_new(&(IsoGfxDesc){.memory        = MEMORY,
+                                      .memory_size   = MEMORY_SIZE,
+                                      .screen_width  = SCREEN_WIDTH,
+                                      .screen_height = SCREEN_HEIGHT})))) {
     return false;
   }
   IsoGfx* iso = state->iso;
 
-  isogfx_resize(iso, SCREEN_WIDTH, SCREEN_HEIGHT);
-
   if (!isogfx_load_world(iso, "/home/jeanne/Nextcloud/assets/maps/demo-1.tm")) {
     return false;
   }
 
-  if (!isogfx_load_sprite_sheet(
-          iso,
-          "/home/jeanne/Nextcloud/assets/tilesets/scrabling/critters/stag/"
-          "stag.ss",
-          &state->stag_sheet)) {
+  if (!((state->stag_sheet = isogfx_load_sprite_sheet(
+             iso,
+             "/home/jeanne/Nextcloud/assets/tilesets/scrabling/critters/stag/"
+             "stag.ss")))) {
     return false;
   }
 
   state->stag = isogfx_make_sprite(iso, state->stag_sheet);
   isogfx_set_sprite_position(iso, state->stag, 5, 4);
 
-  if (!(state->backend = iso_backend_init(iso))) {
+  if (!((state->backend = iso_backend_init(iso)))) {
     return false;
   }