gl_raster_font.c File Reference

#include <stdlib.h>
#include <encodings/utf.h>
#include <string/stdstring.h>
#include <retro_math.h>
#include "../common/gl_common.h"
#include "../font_driver.h"
#include "../video_driver.h"

Include dependency graph for gl_raster_font.c:

Classes
struct	gl_raster_t

Macros
#define	gl_raster_font_emit(c, vx, vy)
#define	MAX_MSG_LEN_CHUNK   64

Functions
static void	gl_raster_font_free_font (void *data, bool is_threaded)
static bool	gl_raster_font_upload_atlas (gl_raster_t *font)
static void *	gl_raster_font_init_font (void *data, const char *font_path, float font_size, bool is_threaded)
static int	gl_get_message_width (void *data, const char *msg, unsigned msg_len, float scale)
static void	gl_raster_font_draw_vertices (gl_raster_t *font, const video_coords_t *coords, video_frame_info_t *video_info)
static void	gl_raster_font_render_line (gl_raster_t *font, const char *msg, unsigned msg_len, GLfloat scale, const GLfloat color[4], GLfloat pos_x, GLfloat pos_y, unsigned text_align, video_frame_info_t *video_info)
static void	gl_raster_font_render_message (gl_raster_t *font, const char *msg, GLfloat scale, const GLfloat color[4], GLfloat pos_x, GLfloat pos_y, unsigned text_align, video_frame_info_t *video_info)
static void	gl_raster_font_setup_viewport (unsigned width, unsigned height, gl_raster_t *font, bool full_screen)
static void	gl_raster_font_render_msg (video_frame_info_t *video_info, void *data, const char *msg, const struct font_params *params)
static const struct font_glyph *	gl_raster_font_get_glyph (void *data, uint32_t code)
static void	gl_raster_font_flush_block (unsigned width, unsigned height, void *data, video_frame_info_t *video_info)
static void	gl_raster_font_bind_block (void *data, void *userdata)

Variables
font_renderer_t	gl_raster_font

Macro Definition Documentation

gl_raster_font_emit

#define gl_raster_font_emit	(		c,
			vx,
			vy
	)

Value:

do { \
 font_vertex[ 2 * (6 * i + c) + 0] = (x + (delta_x + off_x + vx * width) * scale) * inv_win_width; \
 font_vertex[ 2 * (6 * i + c) + 1] = (y + (delta_y - off_y - vy * height) * scale) * inv_win_height; \
 font_tex_coords[ 2 * (6 * i + c) + 0] = (tex_x + vx * width) * inv_tex_size_x; \
 font_tex_coords[ 2 * (6 * i + c) + 1] = (tex_y + vy * height) * inv_tex_size_y; \
 font_color[ 4 * (6 * i + c) + 0] = color[0]; \
 font_color[ 4 * (6 * i + c) + 1] = color[1]; \
 font_color[ 4 * (6 * i + c) + 2] = color[2]; \
 font_color[ 4 * (6 * i + c) + 3] = color[3]; \
 font_lut_tex_coord[ 2 * (6 * i + c) + 0] = gl->coords.lut_tex_coord[0]; \
 font_lut_tex_coord[ 2 * (6 * i + c) + 1] = gl->coords.lut_tex_coord[1]; \
} while(0)

MAX_MSG_LEN_CHUNK

#define MAX_MSG_LEN_CHUNK   64

Function Documentation

gl_get_message_width()

static int gl_get_message_width ( void *  data, const char *  msg, unsigned  msg_len, float  scale  )

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gl_raster_font_bind_block()

static void gl_raster_font_bind_block ( void *  data, void *  userdata  )

static

gl_raster_font_draw_vertices()

static void gl_raster_font_draw_vertices ( gl_raster_t *  font, const video_coords_t *  coords, video_frame_info_t *  video_info  )

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gl_raster_font_flush_block()

static void gl_raster_font_flush_block ( unsigned  width, unsigned  height, void *  data, video_frame_info_t *  video_info  )

static

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gl_raster_font_free_font()

static void gl_raster_font_free_font ( void *  data, bool  is_threaded  )

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gl_raster_font_get_glyph()

static const struct font_glyph* gl_raster_font_get_glyph ( void *  data, uint32_t  code  )

static

gl_raster_font_init_font()

static void* gl_raster_font_init_font ( void *  data, const char *  font_path, float  font_size, bool  is_threaded  )

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gl_raster_font_render_line()

static void gl_raster_font_render_line ( gl_raster_t *  font, const char *  msg, unsigned  msg_len, GLfloat  scale, const GLfloat  color[4], GLfloat  pos_x, GLfloat  pos_y, unsigned  text_align, video_frame_info_t *  video_info  )

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gl_raster_font_render_message()

static void gl_raster_font_render_message ( gl_raster_t *  font, const char *  msg, GLfloat  scale, const GLfloat  color[4], GLfloat  pos_x, GLfloat  pos_y, unsigned  text_align, video_frame_info_t *  video_info  )

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gl_raster_font_render_msg()

static void gl_raster_font_render_msg ( video_frame_info_t *  video_info, void *  data, const char *  msg, const struct font_params *  params  )

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gl_raster_font_setup_viewport()

static void gl_raster_font_setup_viewport ( unsigned  width, unsigned  height, gl_raster_t *  font, bool  full_screen  )

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gl_raster_font_upload_atlas()

static bool gl_raster_font_upload_atlas ( gl_raster_t *  font )

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Variable Documentation

gl_raster_font

font_renderer_t gl_raster_font

Initial value:

= {
 gl_raster_font_init_font,
 gl_raster_font_free_font,
 gl_raster_font_render_msg,
 "GL raster",
 gl_raster_font_get_glyph,
 gl_raster_font_bind_block,
 gl_raster_font_flush_block,
 gl_get_message_width
}