perf profiler, simplify 2d render, string struct, many small things

1 files changed, 13 insertions, 12 deletions

diff --git a/src/render/gl.cpp b/src/render/gl.cpp
index 4e9ed9d..c1b6d19 100644
--- a/src/render/gl.cpp
+++ b/src/render/gl.cpp
@@ -19,11 +19,11 @@ GL_DATA* gl_instance() {
   return gl_inst;
 }
 
-static void gl_apply_canvas_size( GL_DATA* gl, I32 width, I32 height );
-static void gl_handle_window_size_change( GL_DATA* gl, I32 width, I32 height );
-static void gl_update_screen_ratio_uniforms( GL_DATA* gl, I32 width, I32 height );
+void gl_apply_canvas_size( GL_DATA* gl, I32 width, I32 height );
+void gl_handle_window_size_change( GL_DATA* gl, I32 width, I32 height );
+void gl_update_screen_ratio_uniforms( GL_DATA* gl, I32 width, I32 height );
 
-static void gl_query_canvas_size( GL_DATA* gl, I32* width, I32* height ) {
+void gl_query_canvas_size( GL_DATA* gl, I32* width, I32* height ) {
   I32 w = 0;
   I32 h = 0;
   if( gl && gl->window ) {
@@ -36,7 +36,7 @@ static void gl_query_canvas_size( GL_DATA* gl, I32* width, I32* height ) {
   if( height ) *height = max( 1, h );
 }
 
-static void gl_constrain_window_size( I32* width, I32* height ) {
+void gl_constrain_window_size( I32* width, I32* height ) {
   if( !width || !height )
     return;
 
@@ -61,7 +61,7 @@ static void gl_constrain_window_size( I32* width, I32* height ) {
   }
 }
 
-static void gl_handle_window_size_change( GL_DATA* gl, I32 width, I32 height ) {
+void gl_handle_window_size_change( GL_DATA* gl, I32 width, I32 height ) {
   if( !gl || !gl->window )
     return;
 
@@ -85,7 +85,7 @@ static void gl_handle_window_size_change( GL_DATA* gl, I32 width, I32 height ) {
   gl_apply_canvas_size( gl, draw_w, draw_h );
 }
 
-static I32 SDLCALL gl_event_filter( void* userdata, SDL_Event* e ) {
+I32 SDLCALL gl_event_filter( void* userdata, SDL_Event* e ) {
   GL_DATA* gl = (GL_DATA*)userdata;
   if( !gl || !e )
     return 1;
@@ -106,7 +106,7 @@ static I32 SDLCALL gl_event_filter( void* userdata, SDL_Event* e ) {
   return 1;
 }
 
-static void gl_apply_canvas_size( GL_DATA* gl, I32 width, I32 height ) {
+void gl_apply_canvas_size( GL_DATA* gl, I32 width, I32 height ) {
   width = max( 1, width );
   height = max( 1, height );
 
@@ -126,7 +126,7 @@ static void gl_apply_canvas_size( GL_DATA* gl, I32 width, I32 height ) {
   glUseProgram( 0 );
 }
 
-static void gl_update_screen_ratio_uniforms( GL_DATA* gl, I32 width, I32 height ) {
+void gl_update_screen_ratio_uniforms( GL_DATA* gl, I32 width, I32 height ) {
   F32 screen_ratio[] = {
     2.f / (F32)max( 1, width ),
     2.f / (F32)max( 1, height ),
@@ -486,13 +486,14 @@ STAT gl_endframe( GL_DATA* gl ) {
   // 1000 fps max be real
   while( true ) {
     U64 diff = u_tick() - gl->last_tick;
-    if( diff < 10 )
+    if( diff < TICK_RESOLUTION / 1000 )
       usleep( 10 );
     else break;
   }
 
-  gl->frametime = (F32)(u_tick() - gl->last_tick) / 10000.0f;
-  gl->fps = 1.0f / gl->frametime;
+  F64 delta = (F64)(u_tick() - gl->last_tick) / TICK_RESOLUTION;
+  gl->frametime = (F32)delta;
+  gl->fps = 1.f / delta;
 
   input_frame_end();
   return STAT_OK;