From be08d003c9163b93db6f73e192b10b32ab80f3e7 Mon Sep 17 00:00:00 2001
From: ToadKing <toadking@toadking.com>
Date: Thu, 22 Aug 2013 23:21:52 -0400
Subject: [PATCH] [GL] fix OSD messages breaking if one was too long

---
 gfx/fonts/gl_raster_font.c | 6 ++++++
 gfx/gl_common.h            | 1 +
 2 files changed, 7 insertions(+)

diff --git a/gfx/fonts/gl_raster_font.c b/gfx/fonts/gl_raster_font.c
index 644184e20e..657ad4a96c 100644
--- a/gfx/fonts/gl_raster_font.c
+++ b/gfx/fonts/gl_raster_font.c
@@ -35,6 +35,7 @@ static bool gl_init_font(void *data, const char *font_path, float font_size)
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
       glBindTexture(GL_TEXTURE_2D, gl->texture[gl->tex_index]);
+      glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl->max_font_size);
    }
    else
    {
@@ -124,6 +125,11 @@ static void adjust_power_of_two(gl_t *gl, struct font_rect *geom)
    geom->pot_width  = next_pow2(geom->width);
    geom->pot_height = next_pow2(geom->height);
 
+   if (geom->pot_width > gl->max_font_size)
+      geom->pot_width = gl->max_font_size;
+   if (geom->pot_height > gl->max_font_size)
+      geom->pot_height = gl->max_font_size;
+
    if ((geom->pot_width > gl->font_tex_w) || (geom->pot_height > gl->font_tex_h))
    {
       gl->font_tex_buf = (uint32_t*)realloc(gl->font_tex_buf,
diff --git a/gfx/gl_common.h b/gfx/gl_common.h
index 5e97a0a540..1d5f308d92 100644
--- a/gfx/gl_common.h
+++ b/gfx/gl_common.h
@@ -207,6 +207,7 @@ typedef struct gl
    const gl_font_renderer_t *font_ctx;
    const font_renderer_driver_t *font_driver;
    GLuint font_tex;
+   GLint max_font_size;
    int font_tex_w, font_tex_h;
    uint32_t *font_tex_buf;
    char font_last_msg[256];