fix some util headers for sg_buffer/image_usage

util/sokol_debugtext.h

@@ -4251,8 +4251,8 @@ static void _sdtx_init_context(sdtx_context ctx_id, const sdtx_context_desc_t* i
     sg_buffer_desc vbuf_desc;
     _sdtx_clear(&vbuf_desc, sizeof(vbuf_desc));
     vbuf_desc.size = vbuf_size;
-    vbuf_desc.type = SG_BUFFERTYPE_VERTEXBUFFER;
-    vbuf_desc.usage = SG_USAGE_STREAM;
+    vbuf_desc.usage.vertex_buffer = true;
+    vbuf_desc.usage.stream_update = true;
     vbuf_desc.label = "sdtx-vbuf";
     ctx->vbuf = sg_make_buffer(&vbuf_desc);
     SOKOL_ASSERT(SG_INVALID_ID != ctx->vbuf.id);

util/sokol_gl.h

@@ -3321,8 +3321,8 @@ static void _sgl_init_context(sgl_context ctx_id, const sgl_context_desc_t* in_d
     sg_buffer_desc vbuf_desc;
     _sgl_clear(&vbuf_desc, sizeof(vbuf_desc));
     vbuf_desc.size = (size_t)ctx->vertices.cap * sizeof(_sgl_vertex_t);
-    vbuf_desc.type = SG_BUFFERTYPE_VERTEXBUFFER;
-    vbuf_desc.usage = SG_USAGE_STREAM;
+    vbuf_desc.usage.vertex_buffer = true;
+    vbuf_desc.usage.stream_update = true;
     vbuf_desc.label = "sgl-vertex-buffer";
     ctx->vbuf = sg_make_buffer(&vbuf_desc);
     SOKOL_ASSERT(SG_INVALID_ID != ctx->vbuf.id);

util/sokol_imgui.h

@@ -2514,15 +2514,15 @@ SOKOL_API_IMPL void simgui_setup(const simgui_desc_t* desc) {
     // NOTE: since we're in C++ mode here we can't use C99 designated init
     sg_buffer_desc vb_desc;
     _simgui_clear(&vb_desc, sizeof(vb_desc));
-    vb_desc.usage = SG_USAGE_STREAM;
+    vb_desc.usage.stream_update = true;
     vb_desc.size = _simgui.vertices.size;
     vb_desc.label = "sokol-imgui-vertices";
     _simgui.vbuf = sg_make_buffer(&vb_desc);
 
     sg_buffer_desc ib_desc;
     _simgui_clear(&ib_desc, sizeof(ib_desc));
-    ib_desc.type = SG_BUFFERTYPE_INDEXBUFFER;
-    ib_desc.usage = SG_USAGE_STREAM;
+    ib_desc.usage.index_buffer = true;
+    ib_desc.usage.stream_update = true;
     ib_desc.size = _simgui.indices.size;
     ib_desc.label = "sokol-imgui-indices";
     _simgui.ibuf = sg_make_buffer(&ib_desc);

util/sokol_shape.h

@@ -1355,8 +1355,8 @@ SOKOL_API_IMPL sg_buffer_desc sshape_vertex_buffer_desc(const sshape_buffer_t* b
     SOKOL_ASSERT(buf && buf->valid);
     sg_buffer_desc desc = { 0 };
     if (buf->valid) {
-        desc.type = SG_BUFFERTYPE_VERTEXBUFFER;
-        desc.usage = SG_USAGE_IMMUTABLE;
+        desc.usage.vertex_buffer = true;
+        desc.usage.immutable = true;
         desc.data.ptr = buf->vertices.buffer.ptr;
         desc.data.size = buf->vertices.data_size;
     }
@@ -1367,8 +1367,8 @@ SOKOL_API_IMPL sg_buffer_desc sshape_index_buffer_desc(const sshape_buffer_t* bu
     SOKOL_ASSERT(buf && buf->valid);
     sg_buffer_desc desc = { 0 };
     if (buf->valid) {
-        desc.type = SG_BUFFERTYPE_INDEXBUFFER;
-        desc.usage = SG_USAGE_IMMUTABLE;
+        desc.usage.index_buffer = true;
+        desc.usage.immutable = true;
         desc.data.ptr = buf->indices.buffer.ptr;
         desc.data.size = buf->indices.data_size;
     }