+ glBegin(GL_QUADS);
+ glTexCoord2i(0,0); glVertex2f(0,0);
+ glTexCoord2i(1,0); glVertex2f(1,0);
+ glTexCoord2i(1,1); glVertex2f(1,1);
+ glTexCoord2i(0,1); glVertex2f(0,1);
+ glEnd();
+
+ glDisable(GL_TEXTURE_2D);
+ SDL_FreeSurface(bmp);
+}
+
+void Screen::DebugFontInit(const char *name, float font_size)
+{
+ unsigned char font_atlas_data[1024*1024];
+ FILE *font_file = fopen(name, "rb");
+ fseek(font_file, 0, SEEK_END);
+ size_t font_file_size = ftell(font_file);
+ fseek(font_file, 0, SEEK_SET);
+ unsigned char *font_file_data = (unsigned char*)malloc(font_file_size);
+ fread(font_file_data, 1, font_file_size, font_file);
+ fclose(font_file);
+ stbtt_BakeFontBitmap(font_file_data,0, font_size, font_atlas_data,1024,1024, 32,96, m_debug_font_rects);
+ free(font_file_data);
+ glGenTextures(1, &m_debug_font_atlas);
+ glBindTexture(GL_TEXTURE_2D, m_debug_font_atlas);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 1024,1024, 0, GL_ALPHA, GL_UNSIGNED_BYTE, font_atlas_data);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ m_debug_font_size = font_size;
+}
+
+void Screen::DebugFontClear()
+{
+ m_debug_font_x = m_debug_font_y = 0;
+ DebugFontPrint("\n");
+}
+
+void Screen::DebugFontPrint(const char* str)
+{
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ glOrtho(0,ViewportWidth(), ViewportHeight(), 0, -1, 1);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+
+
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glBindTexture(GL_TEXTURE_2D, m_debug_font_atlas);
+ glBegin(GL_QUADS);
+ while (*str) {
+ if (*str >= 32 && *str < 128) {
+ stbtt_aligned_quad q;
+ stbtt_GetBakedQuad(m_debug_font_rects, 1024,1024, *str-32, &m_debug_font_x,&m_debug_font_y,&q,1);
+ glTexCoord2f(q.s0,q.t0); glVertex2f(q.x0,q.y0);
+ glTexCoord2f(q.s1,q.t0); glVertex2f(q.x1,q.y0);
+ glTexCoord2f(q.s1,q.t1); glVertex2f(q.x1,q.y1);
+ glTexCoord2f(q.s0,q.t1); glVertex2f(q.x0,q.y1);
+ }
+ else if (*str == '\n')
+ {
+ m_debug_font_x = 0;
+ m_debug_font_y += m_debug_font_size;
+ }
+ ++str;
+ }
+ glEnd();
+ glDisable(GL_BLEND);
+ glDisable(GL_TEXTURE_2D);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+}
+
+void Screen::DebugFontPrintF(const char *fmt, ...)
+{
+ char buffer[BUFSIZ];
+ va_list va;
+ va_start(va, fmt);
+ vsnprintf(buffer, BUFSIZ, fmt,va);
+ va_end(va);
+ DebugFontPrint(buffer);