static void wiiu_font_render_line(
video_frame_info_t *video_info,
wiiu_font_t* font, const char* msg, unsigned msg_len,
float scale, const unsigned int color, float pos_x,
float pos_y, unsigned text_align)
{
unsigned i;
wiiu_video_t* wiiu = (wiiu_video_t*)video_info->userdata;
unsigned width = video_info->width;
unsigned height = video_info->height;
int x = roundf(pos_x * width);
int y = roundf((1.0 - pos_y) * height);
if( !wiiu ||
wiiu->vertex_cache.current + (msg_len * 4) > wiiu->vertex_cache.size)
return;
switch (text_align)
{
case TEXT_ALIGN_RIGHT:
x -= wiiu_font_get_message_width(font, msg, msg_len, scale);
break;
case TEXT_ALIGN_CENTER:
x -= wiiu_font_get_message_width(font, msg, msg_len, scale) / 2;
break;
}
sprite_vertex_t* v = wiiu->vertex_cache.v + wiiu->vertex_cache.current;
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;
v->pos.x = x + glyph->draw_offset_x * scale;
v->pos.y = y + glyph->draw_offset_y * scale;
v->pos.width = glyph->width * scale;
v->pos.height = glyph->height * scale;
v->coord.u = glyph->atlas_offset_x;
v->coord.v = glyph->atlas_offset_y;
v->coord.width = glyph->width;
v->coord.height = glyph->height;
v->color = color;
v++;
x += glyph->advance_x * scale;
y += glyph->advance_y * scale;
}
int count = v - wiiu->vertex_cache.v - wiiu->vertex_cache.current;
if (!count)
return;
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, wiiu->vertex_cache.v + wiiu->vertex_cache.current, count * sizeof(wiiu->vertex_cache.v));
if(font->atlas->dirty)
{
for (i = 0; (i < font->atlas->height) && (i < font->texture.surface.height); i++)
memcpy(font->texture.surface.image + (i * font->texture.surface.pitch),
font->atlas->buffer + (i * font->atlas->width), font->atlas->width);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_TEXTURE, font->texture.surface.image,
font->texture.surface.imageSize);
font->atlas->dirty = false;
}
GX2SetPixelTexture(&font->texture, sprite_shader.ps.samplerVars[0].location);
GX2SetVertexUniformBlock(sprite_shader.vs.uniformBlocks[1].offset, sprite_shader.vs.uniformBlocks[1].size, font->ubo_tex);
GX2DrawEx(GX2_PRIMITIVE_MODE_POINTS, count, wiiu->vertex_cache.current, 1);
GX2SetVertexUniformBlock(sprite_shader.vs.uniformBlocks[1].offset, sprite_shader.vs.uniformBlocks[1].size, wiiu->ubo_tex);
wiiu->vertex_cache.current = v - wiiu->vertex_cache.v;
}
static void wiiu_font_render_line(
video_frame_info_t *video_info,
wiiu_font_t* font, const char* msg, unsigned msg_len,
float scale, const unsigned int color, float pos_x,
float pos_y, unsigned text_align)
{
unsigned i;
wiiu_video_t* wiiu = (wiiu_video_t*)video_driver_get_ptr(false);
unsigned width = video_info->width;
unsigned height = video_info->height;
int x = roundf(pos_x * width);
int y = roundf((1.0f - pos_y) * height);
int delta_x = 0;
int delta_y = 0;
if(wiiu->vertex_cache.current + (msg_len * 4) > wiiu->vertex_cache.size)
return;
switch (text_align)
{
case TEXT_ALIGN_RIGHT:
x -= wiiu_font_get_message_width(font, msg, msg_len, scale);
break;
case TEXT_ALIGN_CENTER:
x -= wiiu_font_get_message_width(font, msg, msg_len, scale) / 2;
break;
}
position_t* pos = wiiu->vertex_cache.positions + wiiu->vertex_cache.current;
tex_coord_t* coord = wiiu->vertex_cache.tex_coords + wiiu->vertex_cache.current;
for (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 = glyph->draw_offset_x;
off_y = glyph->draw_offset_y;
tex_x = glyph->atlas_offset_x;
tex_y = glyph->atlas_offset_y;
width = glyph->width;
height = glyph->height;
float x0 = x + off_x + delta_x * scale;
float y0 = y + off_y + delta_y * scale + height * scale;
float u0 = tex_x;
float v0 = tex_y;
float x1 = x0 + width * scale;
float y1 = y0 - height * scale;
float u1 = u0 + width;
float v1 = v0 + height;
pos[0].x = (2.0f * x0 / wiiu->color_buffer.surface.width) - 1.0f;
pos[0].y = (-2.0f * y0 / wiiu->color_buffer.surface.height) + 1.0f;
pos[1].x = (2.0f * x1 / wiiu->color_buffer.surface.width) - 1.0f;;
pos[1].y = (-2.0f * y0 / wiiu->color_buffer.surface.height) + 1.0f;
pos[2].x = (2.0f * x1 / wiiu->color_buffer.surface.width) - 1.0f;;
pos[2].y = (-2.0f * y1 / wiiu->color_buffer.surface.height) + 1.0f;
pos[3].x = (2.0f * x0 / wiiu->color_buffer.surface.width) - 1.0f;;
pos[3].y = (-2.0f * y1 / wiiu->color_buffer.surface.height) + 1.0f;
pos += 4;
coord[0].u = u0 / font->texture.surface.width;
coord[0].v = v1 / font->texture.surface.height;
coord[1].u = u1 / font->texture.surface.width;
coord[1].v = v1 / font->texture.surface.height;
coord[2].u = u1 / font->texture.surface.width;
coord[2].v = v0 / font->texture.surface.height;
coord[3].u = u0 / font->texture.surface.width;
coord[3].v = v0 / font->texture.surface.height;
coord += 4;
delta_x += glyph->advance_x;
delta_y += glyph->advance_y;
}
int count = pos - wiiu->vertex_cache.positions - wiiu->vertex_cache.current;
if (!count)
return;
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, wiiu->vertex_cache.positions + wiiu->vertex_cache.current, count * sizeof(position_t));
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, wiiu->vertex_cache.tex_coords + wiiu->vertex_cache.current, count * sizeof(tex_coord_t));
if(font->atlas->dirty)
{
for (i = 0; (i < font->atlas->height) && (i < font->texture.surface.height); i++)
memcpy(font->texture.surface.image + (i * font->texture.surface.pitch),
font->atlas->buffer + (i * font->atlas->width), font->atlas->width);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_TEXTURE, font->texture.surface.image,
font->texture.surface.imageSize);
font->atlas->dirty = false;
}
#if 0
printf("%s\n", msg);
DEBUG_VAR(color);
#endif
GX2SetPixelTexture(&font->texture, wiiu->shader->sampler.location);
GX2SetBlendConstantColor(((color >> 0) & 0xFF) / 255.0f, ((color >> 8) & 0xFF) / 255.0f,
((color >> 16) & 0xFF) / 255.0f, ((color >> 24) & 0xFF) / 255.0f);
GX2SetBlendControl(GX2_RENDER_TARGET_0, GX2_BLEND_MODE_BLEND_FACTOR, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD,
GX2_ENABLE, GX2_BLEND_MODE_SRC_ALPHA, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD);
GX2DrawEx(GX2_PRIMITIVE_MODE_QUADS, count, wiiu->vertex_cache.current, 1);
GX2SetBlendControl(GX2_RENDER_TARGET_0, GX2_BLEND_MODE_SRC_ALPHA, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD,
GX2_ENABLE, GX2_BLEND_MODE_SRC_ALPHA, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD);
wiiu->vertex_cache.current = pos - wiiu->vertex_cache.positions;
}
