From 28b06c375215cf71213fa211965dc87244c95875 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sun, 16 Feb 2025 20:50:58 -0500
Subject: simplify renderer api

---
 renderer.c | 92 +++++++++++++++++++++++++++++++-------------------------------
 1 file changed, 46 insertions(+), 46 deletions(-)

(limited to 'renderer.c')

diff --git a/renderer.c b/renderer.c
index f8aad9e..038425e 100644
--- a/renderer.c
+++ b/renderer.c
@@ -114,36 +114,6 @@ r_handle_input(mu_Context *ctx) {
 }
 
 
-static void
-render_command(mu_Command *cmd) {
-	switch (cmd->type) {
-		case MU_COMMAND_TEXT: {
-			r_draw_text(cmd->text.str, cmd->text.pos, cmd->text.color);
-		}
-		break; case MU_COMMAND_RECT: {
-			r_draw_rect(cmd->rect.rect, cmd->rect.color);
-		}
-		break; case MU_COMMAND_ICON: {
-			r_draw_icon(cmd->icon.id, cmd->icon.rect, cmd->icon.color);
-		}
-		break; case MU_COMMAND_CLIP: {
-			r_set_clip_rect(cmd->clip.rect);
-		}
-	}
-}
-
-
-void
-r_render(mu_Context *ctx) {
-	r_clear(COLOR_BG);
-	mu_Command *cmd = NULL;
-	while (mu_next_command(ctx, &cmd)) {
-		render_command(cmd);
-	}
-	r_present();
-}
-
-
 static void flush(void) {
   if (buf_idx == 0) { return; }
 
@@ -219,12 +189,12 @@ static void push_quad(mu_Rect dst, mu_Rect src, mu_Color color) {
 }
 
 
-void r_draw_rect(mu_Rect rect, mu_Color color) {
+static void draw_rect(mu_Rect rect, mu_Color color) {
   push_quad(rect, atlas[ATLAS_WHITE], color);
 }
 
 
-void r_draw_text(const char *text, mu_Vec2 pos, mu_Color color) {
+static void draw_text(const char *text, mu_Vec2 pos, mu_Color color) {
   mu_Rect dst = { pos.x, pos.y, 0, 0 };
   for (const char *p = text; *p; p++) {
     if ((*p & 0xc0) == 0x80) { continue; }
@@ -238,7 +208,7 @@ void r_draw_text(const char *text, mu_Vec2 pos, mu_Color color) {
 }
 
 
-void r_draw_icon(int id, mu_Rect rect, mu_Color color) {
+static void draw_icon(int id, mu_Rect rect, mu_Color color) {
   mu_Rect src = atlas[id];
   int x = rect.x + (rect.w - src.w) / 2;
   int y = rect.y + (rect.h - src.h) / 2;
@@ -246,6 +216,49 @@ void r_draw_icon(int id, mu_Rect rect, mu_Color color) {
 }
 
 
+static void set_clip_rect(mu_Rect rect) {
+  flush();
+  glScissor(rect.x, height - (rect.y + rect.h), rect.w, rect.h);
+}
+
+
+static void
+render_command(mu_Command *cmd) {
+	switch (cmd->type) {
+		case MU_COMMAND_TEXT: {
+			draw_text(cmd->text.str, cmd->text.pos, cmd->text.color);
+		}
+		break; case MU_COMMAND_RECT: {
+			draw_rect(cmd->rect.rect, cmd->rect.color);
+		}
+		break; case MU_COMMAND_ICON: {
+			draw_icon(cmd->icon.id, cmd->icon.rect, cmd->icon.color);
+		}
+		break; case MU_COMMAND_CLIP: {
+			set_clip_rect(cmd->clip.rect);
+		}
+	}
+}
+
+
+static void clear(mu_Color clr) {
+  flush();
+  glClearColor(clr.r / 255., clr.g / 255., clr.b / 255., clr.a / 255.);
+  glClear(GL_COLOR_BUFFER_BIT);
+}
+
+
+void
+r_render(mu_Context *ctx) {
+	clear(COLOR_BG);
+	mu_Command *cmd = NULL;
+	while (mu_next_command(ctx, &cmd)) {
+		render_command(cmd);
+	}
+	r_present();
+}
+
+
 int r_get_text_width(const char *text, int len) {
   int res = 0;
   for (const char *p = text; *p && len--; p++) {
@@ -267,19 +280,6 @@ void r_get_window_size(int *w, int *h) {
 }
 
 
-void r_set_clip_rect(mu_Rect rect) {
-  flush();
-  glScissor(rect.x, height - (rect.y + rect.h), rect.w, rect.h);
-}
-
-
-void r_clear(mu_Color clr) {
-  flush();
-  glClearColor(clr.r / 255., clr.g / 255., clr.b / 255., clr.a / 255.);
-  glClear(GL_COLOR_BUFFER_BIT);
-}
-
-
 void r_present(void) {
   flush();
   SDL_GL_SwapWindow(window);
-- 
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