Fix some wasm build issues;

Author: bjornbytes

src/api/l_filesystem_file.c

@@ -44,10 +44,12 @@ static int l_lovrFileRead(lua_State* L) {
     lua_Number n = lua_tonumber(L, 2);
     luax_check(L, n >= 0, "Number of bytes to read can not be negative");
     luax_check(L, n < 9007199254740992.0, "Number of bytes to read must be less than 2^53");
-    size = (size_t) n;
+    size = MIN((size_t) n, SIZE_MAX);
   } else {
-    luax_assert(L, lovrFileGetSize(file, &size));
-    size -= lovrFileTell(file);
+    uint64_t fileSize;
+    luax_assert(L, lovrFileGetSize(file, &fileSize));
+    fileSize -= lovrFileTell(file);
+    size = MIN(fileSize, SIZE_MAX);
   }
   size_t count;
   void* data = lovrMalloc(size);

src/core/gpu_web.c

@@ -205,16 +205,16 @@ bool gpu_surface_init(gpu_surface_info* info) {
   return false; // TODO
 }
 
-void gpu_surface_resize(uint32_t width, uint32_t height) {
-  // TODO
+bool gpu_surface_resize(uint32_t width, uint32_t height) {
+  return false; // TODO
 }
 
-gpu_texture* gpu_surface_acquire(void) {
-  return NULL; // TODO
+bool gpu_surface_acquire(gpu_texture** texture) {
+  return false; // TODO
 }
 
-void gpu_surface_present(void) {
-  // TODO
+bool gpu_surface_present(void) {
+  return false; // TODO
 }
 
 // Sampler
@@ -681,8 +681,8 @@ gpu_stream* gpu_stream_begin(const char* label) {
   return stream;
 }
 
-void gpu_stream_end(gpu_stream* stream) {
-  //
+bool gpu_stream_end(gpu_stream* stream) {
+  return true;
 }
 
 void gpu_render_begin(gpu_stream* stream, gpu_canvas* canvas) {
@@ -1050,15 +1050,16 @@ void gpu_destroy(void) {
   memset(&state, 0, sizeof(state));
 }
 
-uint32_t gpu_begin(void) {
-  return state.tick++;
+bool gpu_begin(uint32_t* tick) {
+  *tick = state.tick++;
+  return true;
 }
 
 static void onSubmittedWorkDone(WGPUQueueWorkDoneStatus status, void* userdata) {
   state.lastTickFinished = (uint32_t) (uintptr_t) userdata;
 }
 
-void gpu_submit(gpu_stream** streams, uint32_t count) {
+bool gpu_submit(gpu_stream** streams, uint32_t count) {
   WGPUCommandBuffer commandBuffers[64];
   count = MIN(count, COUNTOF(commandBuffers));
 
@@ -1072,18 +1073,20 @@ void gpu_submit(gpu_stream** streams, uint32_t count) {
   for (uint32_t i = 0; i < state.streamCount; i++) {
     wgpuCommandEncoderRelease(state.streams[i].commands);
   }
+
+  return true;
 }
 
 bool gpu_is_complete(uint32_t tick) {
   return state.lastTickFinished >= tick;
 }
 
-bool gpu_wait_tick(uint32_t tick) {
-  return true; // TODO Unsupported
+bool gpu_wait_tick(uint32_t tick, bool* waited) {
+  return *waited = false, true; // TODO unsupported?
 }
 
-void gpu_wait_idle(void) {
-  // TODO Unsupported
+bool gpu_wait_idle(void) {
+  return true; // TODO unsupported?
 }
 
 // Helpers

src/modules/headset/headset_webxr.c

@@ -36,8 +36,8 @@ extern bool webxr_vibrate(Device device, float strength, float duration, float f
 extern void webxr_stopVibration(Device device);
 extern struct ModelData* webxr_newModelData(Device device, bool animated);
 extern bool webxr_animate(struct Model* model);
-extern bool webxr_getTexture(Texture** texture);
-extern bool webxr_getPass(Pass** pass);
+extern bool webxr_getTexture(struct Texture** texture);
+extern bool webxr_getPass(struct Pass** pass);
 extern bool webxr_submit(void);
 extern bool webxr_isActive(void);
 extern bool webxr_isVisible(void);