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Add switch_nx_gfx.c

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twinaphex 2018-09-12 21:44:53 +02:00
parent 8f9dc13aa7
commit 0158bbe4aa
5 changed files with 1151 additions and 1 deletions
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16
gfx/drivers/switch_gfx.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - misson2000
* Copyright (C) 2018 - m4xw
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>

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gfx/drivers/switch_nx_gfx.c Normal file
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - misson2000
* Copyright (C) 2018 - m4xw
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <retro_inline.h>
#include <retro_math.h>
#include <formats/image.h>
#include <formats/image.h>
#include <gfx/scaler/scaler.h>
#include <gfx/scaler/pixconv.h>
#include <gfx/video_frame.h>
#include <switch.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_MENU
#include "../../menu/menu_driver.h"
#endif
#include "../font_driver.h"
#include "../../configuration.h"
#include "../../command.h"
#include "../../driver.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
#include "../common/switch_common.h"
#ifndef HAVE_THREADS
#include "../../tasks/tasks_internal.h"
#endif
#ifdef HAVE_NXRGUI
extern uint32_t *nx_backgroundImage;
// Temp Overlay // KILL IT WITH FIRE
extern uint32_t *tmp_overlay;
#endif
// (C) libtransistor
static int pdep(uint32_t mask, uint32_t value)
{
uint32_t out = 0;
for (int shift = 0; shift < 32; shift++)
{
uint32_t bit = 1u << shift;
if (mask & bit)
{
if (value & 1)
out |= bit;
value >>= 1;
}
}
return out;
}
static uint32_t swizzle_x(uint32_t v) { return pdep(~0x7B4u, v); }
static uint32_t swizzle_y(uint32_t v) { return pdep(0x7B4, v); }
void gfx_slow_swizzling_blit(uint32_t *buffer, uint32_t *image, int w, int h, int tx, int ty, bool blend)
{
uint32_t *dest = buffer;
uint32_t *src = image;
int x0 = tx;
int y0 = ty;
int x1 = x0 + w;
int y1 = y0 + h;
const uint32_t tile_height = 128;
const uint32_t padded_width = 128 * 10;
// we're doing this in pixels - should just shift the swizzles instead
uint32_t offs_x0 = swizzle_x(x0);
uint32_t offs_y = swizzle_y(y0);
uint32_t x_mask = swizzle_x(~0u);
uint32_t y_mask = swizzle_y(~0u);
uint32_t incr_y = swizzle_x(padded_width);
// step offs_x0 to the right row of tiles
offs_x0 += incr_y * (y0 / tile_height);
uint32_t x, y;
for (y = y0; y < y1; y++)
{
uint32_t *dest_line = dest + offs_y;
uint32_t offs_x = offs_x0;
for (x = x0; x < x1; x++)
{
uint32_t pixel = *src++;
if (blend) // supercheap masking
{
uint32_t dst = dest_line[offs_x];
uint8_t src_a = ((pixel & 0xFF000000) >> 24);
if (src_a > 0)
{
pixel &= 0x00FFFFFF;
}
else
{
pixel = dst;
}
}
dest_line[offs_x] = pixel;
offs_x = (offs_x - x_mask) & x_mask;
}
offs_y = (offs_y - y_mask) & y_mask;
if (!offs_y)
offs_x0 += incr_y; // wrap into next tile row
}
}
// needed to clear surface completely as hw scaling doesn't always scale to full resoution perflectly
static void clear_screen(switch_video_t *sw)
{
gfxConfigureResolution(sw->vp.full_width, sw->vp.full_height);
uint32_t *out_buffer = (uint32_t *)gfxGetFramebuffer(NULL, NULL);
memset(out_buffer, 0, gfxGetFramebufferSize());
gfxFlushBuffers();
gfxSwapBuffers();
gfxWaitForVsync();
}
static void *switch_init(const video_info_t *video,
const input_driver_t **input, void **input_data)
{
void *switchinput = NULL;
switch_video_t *sw = (switch_video_t *)calloc(1, sizeof(*sw));
if (!sw)
return NULL;
printf("loading switch gfx driver, width: %d, height: %d threaded: %d smooth %d\n", video->width, video->height, video->is_threaded, video->smooth);
sw->vp.x = 0;
sw->vp.y = 0;
sw->vp.width = sw->o_width = video->width;
sw->vp.height = sw->o_height = video->height;
sw->overlay_enabled = false;
sw->overlay = NULL;
sw->in_menu = false;
sw->vp.full_width = 1280;
sw->vp.full_height = 720;
// Sanity check
sw->vp.width = MIN(sw->vp.width, sw->vp.full_width);
sw->vp.height = MIN(sw->vp.height, sw->vp.full_height);
sw->vsync = video->vsync;
sw->rgb32 = video->rgb32;
sw->keep_aspect = true;
sw->should_resize = true;
sw->o_size = true;
sw->is_threaded = video->is_threaded;
sw->smooth = video->smooth;
sw->menu_texture.enable = false;
// Autoselect driver
if (input && input_data)
{
settings_t *settings = config_get_ptr();
switchinput = input_switch.init(settings->arrays.input_joypad_driver);
*input = switchinput ? &input_switch : NULL;
*input_data = switchinput;
}
font_driver_init_osd(sw, false,
video->is_threaded,
FONT_DRIVER_RENDER_SWITCH);
clear_screen(sw);
return sw;
}
static void switch_update_viewport(switch_video_t *sw, video_frame_info_t *video_info)
{
int x = 0;
int y = 0;
float width = sw->vp.full_width;
float height = sw->vp.full_height;
if (sw->o_size)
{
width = sw->o_width;
height = sw->o_height;
sw->vp.x = (int)(((float)sw->vp.full_width - width)) / 2;
sw->vp.y = (int)(((float)sw->vp.full_height - height)) / 2;
sw->vp.width = width;
sw->vp.height = height;
return;
}
settings_t *settings = config_get_ptr();
float desired_aspect = video_driver_get_aspect_ratio();
// We crash if >1.0f
printf("[Video] Aspect: %f\n", desired_aspect);
/*if (desired_aspect > 1.8f)
desired_aspect = 1.7778f;
if (desired_aspect < 1.2f && desired_aspect != 0.0f)
desired_aspect = 1.0f;*/
if (settings->bools.video_scale_integer)
{
video_viewport_get_scaled_integer(&sw->vp, sw->vp.full_width, sw->vp.full_height, desired_aspect, sw->keep_aspect);
}
else if (sw->keep_aspect)
{
#if defined(HAVE_MENU)
if (settings->uints.video_aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
sw->vp.x = sw->vp.y = 0;
sw->vp.width = width;
sw->vp.height = height;
}
else
#endif
{
float delta;
float device_aspect = ((float)sw->vp.full_width) / sw->vp.full_height;
if (fabsf(device_aspect - desired_aspect) < 0.0001f)
{
/*
* If the aspect ratios of screen and desired aspect
* ratio are sufficiently equal (floating point stuff),
* assume they are actually equal.
*/
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0f) / 2.0f + 0.5f;
x = (int)roundf(width * (0.5f - delta));
width = (unsigned)roundf(2.0f * width * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0f) / 2.0f + 0.5f;
y = (int)roundf(height * (0.5f - delta));
height = (unsigned)roundf(2.0f * height * delta);
}
}
sw->vp.x = x;
sw->vp.y = y;
sw->vp.width = width;
sw->vp.height = height;
}
else
{
sw->vp.x = sw->vp.y = 0;
sw->vp.width = width;
sw->vp.height = height;
}
}
static void switch_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
{
switch_video_t *sw = (switch_video_t *)data;
if (!sw)
return;
sw->keep_aspect = true;
sw->o_size = false;
settings_t *settings = config_get_ptr();
switch (aspect_ratio_idx)
{
case ASPECT_RATIO_SQUARE:
video_driver_set_viewport_square_pixel();
break;
case ASPECT_RATIO_CORE:
video_driver_set_viewport_core();
sw->o_size = true;
sw->keep_aspect = false;
break;
case ASPECT_RATIO_CONFIG:
video_driver_set_viewport_config();
break;
case ASPECT_RATIO_CUSTOM:
if (settings->bools.video_scale_integer)
{
video_driver_set_viewport_core();
sw->o_size = true;
sw->keep_aspect = false;
}
break;
default:
break;
}
video_driver_set_aspect_ratio_value(aspectratio_lut[aspect_ratio_idx].value);
sw->should_resize = true;
}
static bool switch_frame(void *data, const void *frame,
unsigned width, unsigned height,
uint64_t frame_count, unsigned pitch,
const char *msg, video_frame_info_t *video_info)
{
switch_video_t *sw = data;
uint32_t *out_buffer = NULL;
bool ffwd_mode = video_info->input_driver_nonblock_state;
if (!frame)
return true;
if (ffwd_mode && !sw->is_threaded)
{
// render every 4th frame when in ffwd mode and not threaded
if ((frame_count % 4) != 0)
return true;
}
if (sw->should_resize || width != sw->last_width || height != sw->last_height)
{
printf("[Video] Requesting new size: width %i height %i\n", width, height);
printf("[Video] fw: %i fh: %i w: %i h: %i x: %i y: %i\n", sw->vp.full_width, sw->vp.full_height, sw->vp.width, sw->vp.height, sw->vp.x, sw->vp.y);
switch_update_viewport(sw, video_info);
printf("[Video] fw: %i fh: %i w: %i h: %i x: %i y: %i\n", sw->vp.full_width, sw->vp.full_height, sw->vp.width, sw->vp.height, sw->vp.x, sw->vp.y);
// Sanity check
sw->vp.width = MIN(sw->vp.width, sw->vp.full_width);
sw->vp.height = MIN(sw->vp.height, sw->vp.full_height);
scaler_ctx_gen_reset(&sw->scaler);
sw->scaler.in_width = width;
sw->scaler.in_height = height;
sw->scaler.in_stride = pitch;
sw->scaler.in_fmt = sw->rgb32 ? SCALER_FMT_ARGB8888 : SCALER_FMT_RGB565;
if (!sw->smooth)
{
sw->scaler.out_width = sw->vp.width;
sw->scaler.out_height = sw->vp.height;
sw->scaler.out_stride = sw->vp.full_width * sizeof(uint32_t);
}
else
{
sw->scaler.out_width = width;
sw->scaler.out_height = height;
sw->scaler.out_stride = width * sizeof(uint32_t);
float screen_ratio = (float)sw->vp.full_width / sw->vp.full_height;
float tgt_ratio = (float)sw->vp.width / sw->vp.height;
sw->hw_scale.width = ceil(screen_ratio / tgt_ratio * sw->scaler.out_width);
sw->hw_scale.height = sw->scaler.out_height;
sw->hw_scale.x_offset = ceil((sw->hw_scale.width - sw->scaler.out_width) / 2.0);
if (!video_info->menu_is_alive)
{
clear_screen(sw);
gfxConfigureResolution(sw->hw_scale.width, sw->hw_scale.height);
}
}
sw->scaler.out_fmt = SCALER_FMT_ABGR8888;
sw->scaler.scaler_type = SCALER_TYPE_POINT;
if (!scaler_ctx_gen_filter(&sw->scaler))
{
printf("failed to generate scaler for main image\n");
return false;
}
sw->last_width = width;
sw->last_height = height;
sw->should_resize = false;
}
out_buffer = (uint32_t *)gfxGetFramebuffer(NULL, NULL);
if (sw->in_menu && !video_info->menu_is_alive && sw->smooth)
{
memset(out_buffer, 0, sw->vp.full_width * sw->vp.full_height * 4);
gfxConfigureResolution(sw->hw_scale.width, sw->hw_scale.height);
}
sw->in_menu = video_info->menu_is_alive;
if (sw->menu_texture.enable)
{
menu_driver_frame(video_info);
if (sw->menu_texture.pixels)
{
#ifdef HAVE_NXRGUI
gfx_slow_swizzling_blit(out_buffer, nx_backgroundImage, sw->vp.full_width, sw->vp.full_height, 0, 0, false);
#else
memset(out_buffer, 0, gfxGetFramebufferSize());
#endif
scaler_ctx_scale(&sw->menu_texture.scaler, sw->tmp_image + ((sw->vp.full_height - sw->menu_texture.tgth) / 2) * sw->vp.full_width + ((sw->vp.full_width - sw->menu_texture.tgtw) / 2), sw->menu_texture.pixels);
gfx_slow_swizzling_blit(out_buffer, sw->tmp_image, sw->vp.full_width, sw->vp.full_height, 0, 0, true);
}
}
else if (sw->smooth) // bilinear
{
struct scaler_ctx *ctx = &sw->scaler;
scaler_ctx_scale_direct(ctx, sw->image, frame);
int w = sw->scaler.out_width;
int h = sw->scaler.out_height;
for (int y = 0; y < h; y++)
for (int x = 0; x < w; x++)
out_buffer[gfxGetFramebufferDisplayOffset(x + sw->hw_scale.x_offset, y)] = sw->image[y * w + x];
}
else
{
struct scaler_ctx *ctx = &sw->scaler;
scaler_ctx_scale(ctx, sw->image + (sw->vp.y * sw->vp.full_width) + sw->vp.x, frame);
gfx_slow_swizzling_blit(out_buffer, sw->image, sw->vp.full_width, sw->vp.full_height, 0, 0, false);
#ifdef HAVE_NXRGUI
if (tmp_overlay)
{
gfx_slow_swizzling_blit(out_buffer, tmp_overlay, sw->vp.full_width, sw->vp.full_height, 0, 0, true);
}
#endif
}
if (video_info->statistics_show && !sw->smooth)
{
struct font_params *osd_params = (struct font_params *)&video_info->osd_stat_params;
if (osd_params)
{
font_driver_render_msg(video_info, NULL, video_info->stat_text,
(const struct font_params *)&video_info->osd_stat_params);
}
}
if (msg)
font_driver_render_msg(video_info, NULL, msg, NULL);
gfxFlushBuffers();
gfxSwapBuffers();
if (sw->vsync || video_info->menu_is_alive)
gfxWaitForVsync();
return true;
}
static void switch_set_nonblock_state(void *data, bool toggle)
{
switch_video_t *sw = data;
sw->vsync = !toggle;
}
static bool switch_alive(void *data)
{
(void)data;
return true;
}
static bool switch_focus(void *data)
{
(void)data;
return true;
}
static bool switch_suppress_screensaver(void *data, bool enable)
{
(void)data;
(void)enable;
return false;
}
static bool switch_has_windowed(void *data)
{
(void)data;
return false;
}
static void switch_free(void *data)
{
switch_video_t *sw = data;
if (sw->menu_texture.pixels)
free(sw->menu_texture.pixels);
free(sw);
}
static bool switch_set_shader(void *data,
enum rarch_shader_type type, const char *path)
{
(void)data;
(void)type;
(void)path;
return false;
}
static void switch_set_rotation(void *data, unsigned rotation)
{
switch_video_t *sw = data;
if (!sw)
return;
sw->rotation = rotation;
}
static void switch_viewport_info(void *data, struct video_viewport *vp)
{
switch_video_t *sw = data;
*vp = sw->vp;
}
static bool switch_read_viewport(void *data, uint8_t *buffer, bool is_idle)
{
(void)data;
(void)buffer;
return true;
}
static void switch_set_texture_frame(
void *data, const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha)
{
switch_video_t *sw = data;
size_t sz = width * height * (rgb32 ? 4 : 2);
if (!sw->menu_texture.pixels ||
sw->menu_texture.width != width ||
sw->menu_texture.height != height)
{
if (sw->menu_texture.pixels)
{
realloc(sw->menu_texture.pixels, sz);
}
else
{
sw->menu_texture.pixels = malloc(sz);
}
if (!sw->menu_texture.pixels)
{
printf("failed to allocate buffer for menu texture\n");
return;
}
int xsf = 1280 / width;
int ysf = 720 / height;
int sf = xsf;
if (ysf < sf)
sf = ysf;
sw->menu_texture.width = width;
sw->menu_texture.height = height;
sw->menu_texture.tgtw = width * sf;
sw->menu_texture.tgth = height * sf;
struct scaler_ctx *sctx = &sw->menu_texture.scaler;
scaler_ctx_gen_reset(sctx);
sctx->in_width = width;
sctx->in_height = height;
sctx->in_stride = width * (rgb32 ? 4 : 2);
sctx->in_fmt = rgb32 ? SCALER_FMT_ARGB8888 : SCALER_FMT_RGB565;
sctx->out_width = sw->menu_texture.tgtw;
sctx->out_height = sw->menu_texture.tgth;
sctx->out_stride = 1280 * 4;
sctx->out_fmt = SCALER_FMT_ABGR8888;
sctx->scaler_type = SCALER_TYPE_POINT;
if (!scaler_ctx_gen_filter(sctx))
{
printf("failed to generate scaler for menu texture\n");
return;
}
}
memcpy(sw->menu_texture.pixels, frame, sz);
}
static void switch_apply_state_changes(void *data)
{
(void)data;
}
static void switch_set_texture_enable(void *data, bool enable, bool full_screen)
{
switch_video_t *sw = data;
if (!sw->menu_texture.enable && enable)
{
gfxConfigureResolution(sw->vp.full_width, sw->vp.full_height);
}
else if (!enable && sw->menu_texture.enable && sw->smooth)
{
clear_screen(sw);
gfxConfigureResolution(sw->hw_scale.width, sw->hw_scale.height);
}
sw->menu_texture.enable = enable;
sw->menu_texture.fullscreen = full_screen;
}
static void switch_set_osd_msg(void *data,
video_frame_info_t *video_info,
const char *msg,
const void *params, void *font)
{
switch_video_t *sw = (switch_video_t *)data;
if (sw)
font_driver_render_msg(video_info, font, msg, params);
}
#ifdef HAVE_OVERLAY
static void switch_overlay_enable(void *data, bool state)
{
printf("[Video] Enabled Overlay\n");
switch_video_t *swa = (switch_video_t *)data;
if (!swa)
return;
swa->overlay_enabled = state;
}
static bool switch_overlay_load(void *data,
const void *image_data, unsigned num_images)
{
switch_video_t *swa = (switch_video_t *)data;
struct texture_image *images = (struct texture_image *)image_data;
if (!swa)
return false;
swa->overlay = images;
swa->overlay_enabled = true;
return true;
}
static void switch_overlay_tex_geom(void *data,
unsigned idx, float x, float y, float w, float h)
{
switch_video_t *swa = (switch_video_t *)data;
if (!swa)
return;
}
static void switch_overlay_vertex_geom(void *data,
unsigned idx, float x, float y, float w, float h)
{
switch_video_t *swa = (switch_video_t *)data;
if (!swa)
return;
}
static void switch_overlay_full_screen(void *data, bool enable)
{
(void)data;
(void)enable;
}
static void switch_overlay_set_alpha(void *data, unsigned idx, float mod)
{
(void)data;
(void)idx;
(void)mod;
}
static const video_overlay_interface_t switch_overlay = {
switch_overlay_enable,
switch_overlay_load,
switch_overlay_tex_geom,
switch_overlay_vertex_geom,
switch_overlay_full_screen,
switch_overlay_set_alpha,
};
void switch_overlay_interface(void *data, const video_overlay_interface_t **iface)
{
switch_video_t *swa = (switch_video_t *)data;
if (!swa)
return;
*iface = &switch_overlay;
}
#endif
static const video_poke_interface_t switch_poke_interface = {
NULL, /* get_flags */
NULL, /* set_coords */
NULL, /* set_mvp */
NULL, /* load_texture */
NULL, /* unload_texture */
NULL, /* set_video_mode */
NULL, /* get_refresh_rate */
NULL, /* set_filtering */
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
NULL, /* get_current_framebuffer */
NULL, /* get_proc_address */
switch_set_aspect_ratio, /* set_aspect_ratio */
switch_apply_state_changes, /* apply_state_changes */
switch_set_texture_frame,
switch_set_texture_enable,
switch_set_osd_msg,
NULL, /* show_mouse */
NULL, /* grab_mouse_toggle */
NULL, /* get_current_shader */
NULL, /* get_current_software_framebuffer */
NULL, /* get_hw_render_interface */
};
static void switch_get_poke_interface(void *data,
const video_poke_interface_t **iface)
{
(void)data;
*iface = &switch_poke_interface;
}
video_driver_t video_switch = {
switch_init,
switch_frame,
switch_set_nonblock_state,
switch_alive,
switch_focus,
switch_suppress_screensaver,
switch_has_windowed,
switch_set_shader,
switch_free,
"switch",
NULL, /* set_viewport */
switch_set_rotation,
switch_viewport_info,
switch_read_viewport,
NULL, /* read_frame_raw */
#ifdef HAVE_OVERLAY
switch_overlay_interface, /* switch_overlay_interface */
#endif
switch_get_poke_interface,
};
/* vim: set ts=6 sw=6 sts=6: */

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gfx/drivers_font/switch_font.c Normal file
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - lifajucejo
* Copyright (C) 2018 - m4xw
* Copyright (C) 2018 - natinusala
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <math.h>
#include <encodings/utf.h>
#include <retro_math.h>
#include "../font_driver.h"
#include "../video_driver.h"
#include "../../verbosity.h"
#include "../common/switch_common.h"
typedef struct
{
struct font_atlas *atlas;
const font_renderer_driver_t *font_driver;
void *font_data;
} switch_font_t;
static void *switch_font_init_font(void *data, const char *font_path,
float font_size, bool is_threaded)
{
switch_font_t *font = (switch_font_t *)calloc(1, sizeof(switch_font_t));
if (!font)
return NULL;
if (!font_renderer_create_default((const void **)&font->font_driver,
&font->font_data, font_path, font_size))
{
RARCH_WARN("Couldn't initialize font renderer.\n");
free(font);
return NULL;
}
font->atlas = font->font_driver->get_atlas(font->font_data);
RARCH_LOG("Switch font driver initialized with backend %s\n", font->font_driver->ident);
return font;
}
static void switch_font_free_font(void *data, bool is_threaded)
{
switch_font_t *font = (switch_font_t *)data;
if (!font)
return;
if (font->font_driver && font->font_data)
font->font_driver->free(font->font_data);
free(font);
}
static int switch_font_get_message_width(void *data, const char *msg,
unsigned msg_len, float scale)
{
switch_font_t *font = (switch_font_t *)data;
unsigned i;
int delta_x = 0;
if (!font)
return 0;
for (i = 0; i < msg_len; i++)
{
const char *msg_tmp = &msg[i];
unsigned code = utf8_walk(&msg_tmp);
unsigned skip = msg_tmp - &msg[i];
if (skip > 1)
i += skip - 1;
const struct font_glyph *glyph =
font->font_driver->get_glyph(font->font_data, code);
if (!glyph) /* Do something smarter here ... */
glyph = font->font_driver->get_glyph(font->font_data, '?');
if (!glyph)
continue;
delta_x += glyph->advance_x;
}
return delta_x * scale;
}
static void switch_font_render_line(
video_frame_info_t *video_info,
switch_font_t *font, const char *msg, unsigned msg_len,
float scale, const unsigned int color, float pos_x,
float pos_y, unsigned text_align)
{
int delta_x = 0;
int delta_y = 0;
unsigned fbWidth = 0;
unsigned fbHeight = 0;
uint32_t *out_buffer = (uint32_t *)gfxGetFramebuffer(&fbWidth, &fbHeight);
if (out_buffer)
{
int x = roundf(pos_x * fbWidth);
int y = roundf((1.0f - pos_y) * fbHeight);
switch (text_align)
{
case TEXT_ALIGN_RIGHT:
x -= switch_font_get_message_width(font, msg, msg_len, scale);
break;
case TEXT_ALIGN_CENTER:
x -= switch_font_get_message_width(font, msg, msg_len, scale) / 2;
break;
}
for (int i = 0; i < msg_len; i++)
{
int off_x, off_y, tex_x, tex_y, width, height;
const char *msg_tmp = &msg[i];
unsigned code = utf8_walk(&msg_tmp);
unsigned skip = msg_tmp - &msg[i];
if (skip > 1)
i += skip - 1;
const struct font_glyph *glyph =
font->font_driver->get_glyph(font->font_data, code);
if (!glyph) /* Do something smarter here ... */
glyph = font->font_driver->get_glyph(font->font_data, '?');
if (!glyph)
continue;
off_x = x + glyph->draw_offset_x + delta_x;
off_y = y + glyph->draw_offset_y + delta_y;
width = glyph->width;
height = glyph->height;
tex_x = glyph->atlas_offset_x;
tex_y = glyph->atlas_offset_y;
for (int y = tex_y; y < tex_y + height; y++)
{
uint8_t *row = &font->atlas->buffer[y * font->atlas->width];
for (int x = tex_x; x < tex_x + width; x++)
{
if (!row[x])
continue;
int x1 = off_x + (x - tex_x);
int y1 = off_y + (y - tex_y);
if (x1 < fbWidth && y1 < fbHeight)
out_buffer[gfxGetFramebufferDisplayOffset(x1, y1)] = color;
}
}
delta_x += glyph->advance_x;
delta_y += glyph->advance_y;
}
}
}
#define AVG_GLPYH_LIMIT 140
static void switch_font_render_message(
video_frame_info_t *video_info,
switch_font_t *font, const char *msg, float scale,
const unsigned int color, float pos_x, float pos_y,
unsigned text_align)
{
int lines = 0;
float line_height;
if (!msg || !*msg)
return;
/* If the font height is not supported just draw as usual */
if (!font->font_driver->get_line_height)
{
int msgLen = strlen(msg);
if (msgLen <= AVG_GLPYH_LIMIT)
{
switch_font_render_line(video_info, font, msg, strlen(msg),
scale, color, pos_x, pos_y, text_align);
}
return;
}
line_height = scale / font->font_driver->get_line_height(font->font_data);
for (;;)
{
const char *delim = strchr(msg, '\n');
/* Draw the line */
if (delim)
{
unsigned msg_len = delim - msg;
if (msg_len <= AVG_GLPYH_LIMIT)
{
switch_font_render_line(video_info, font, msg, msg_len,
scale, color, pos_x, pos_y - (float)lines * line_height,
text_align);
}
msg += msg_len + 1;
lines++;
}
else
{
unsigned msg_len = strlen(msg);
if (msg_len <= AVG_GLPYH_LIMIT)
{
switch_font_render_line(video_info, font, msg, msg_len,
scale, color, pos_x, pos_y - (float)lines * line_height,
text_align);
}
break;
}
}
}
static void switch_font_render_msg(
video_frame_info_t *video_info,
void *data, const char *msg,
const struct font_params *params)
{
float x, y, scale, drop_mod, drop_alpha;
int drop_x, drop_y;
unsigned max_glyphs;
enum text_alignment text_align;
unsigned color, color_dark, r, g, b,
alpha, r_dark, g_dark, b_dark, alpha_dark;
switch_font_t *font = (switch_font_t *)data;
unsigned width = video_info->width;
unsigned height = video_info->height;
if (!font || !msg || msg && !*msg)
return;
if (params)
{
x = params->x;
y = params->y;
scale = params->scale;
text_align = params->text_align;
drop_x = params->drop_x;
drop_y = params->drop_y;
drop_mod = params->drop_mod;
drop_alpha = params->drop_alpha;
r = FONT_COLOR_GET_RED(params->color);
g = FONT_COLOR_GET_GREEN(params->color);
b = FONT_COLOR_GET_BLUE(params->color);
alpha = FONT_COLOR_GET_ALPHA(params->color);
color = params->color;
}
else
{
x = 0.0f;
y = 0.0f;
scale = 1.0f;
text_align = TEXT_ALIGN_LEFT;
r = (video_info->font_msg_color_r * 255);
g = (video_info->font_msg_color_g * 255);
b = (video_info->font_msg_color_b * 255);
alpha = 255;
color = COLOR_ABGR(r, g, b, alpha);
drop_x = -2;
drop_y = -2;
drop_mod = 0.3f;
drop_alpha = 1.0f;
}
max_glyphs = strlen(msg);
/*if (drop_x || drop_y)
max_glyphs *= 2;
if (drop_x || drop_y)
{
r_dark = r * drop_mod;
g_dark = g * drop_mod;
b_dark = b * drop_mod;
alpha_dark = alpha * drop_alpha;
color_dark = COLOR_ABGR(r_dark, g_dark, b_dark, alpha_dark);
switch_font_render_message(video_info, font, msg, scale, color_dark,
x + scale * drop_x / width, y +
scale * drop_y / height, text_align);
}*/
switch_font_render_message(video_info, font, msg, scale,
color, x, y, text_align);
}
static const struct font_glyph *switch_font_get_glyph(
void *data, uint32_t code)
{
switch_font_t *font = (switch_font_t *)data;
if (!font || !font->font_driver)
return NULL;
if (!font->font_driver->ident)
return NULL;
return font->font_driver->get_glyph((void *)font->font_driver, code);
}
static void switch_font_bind_block(void *data, void *userdata)
{
(void)data;
}
font_renderer_t switch_font =
{
switch_font_init_font,
switch_font_free_font,
switch_font_render_msg,
"switchfont",
switch_font_get_glyph,
switch_font_bind_block,
NULL, /* flush_block */
switch_font_get_message_width,
};

1
gfx/font_driver.h
View File

@ -173,6 +173,7 @@ extern font_renderer_t caca_font;
extern font_renderer_t gdi_font;
extern font_renderer_t vga_font;
extern font_renderer_t sixel_font;
extern font_renderer_t switch_font;
extern font_renderer_driver_t stb_font_renderer;
extern font_renderer_driver_t stb_unicode_font_renderer;

3
gfx/video_defines.h
View File

@ -96,7 +96,8 @@ enum font_driver_render_api
FONT_DRIVER_RENDER_CACA,
FONT_DRIVER_RENDER_SIXEL,
FONT_DRIVER_RENDER_GDI,
FONT_DRIVER_RENDER_VGA
FONT_DRIVER_RENDER_VGA,
FONT_DRIVER_RENDER_SWITCH
};
enum text_alignment