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Delay font texture update, until draw is called. Rasterize glyphs during shaping.

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This commit is contained in:
bruvzg
2022-04-05 10:49:41 +03:00
parent 479143ab2a
commit aad9d1414c
4 changed files with 105 additions and 92 deletions
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modules/text_server_fb/text_server_fb.cpp
+47 -45
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@@ -209,12 +209,6 @@ _FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_
for (int i = 0; i < p_data->textures.size(); i++) {
const FontTexture &ct = p_data->textures[i];
if (RenderingServer::get_singleton() != nullptr) {
if (ct.texture->get_format() != p_image_format) {
continue;
}
}
if (mw > ct.texture_w || mh > ct.texture_h) { // Too big for this texture.
continue;
}
@@ -256,12 +250,6 @@ _FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_
ret.y = 0;
int texsize = MAX(p_data->size.x * p_data->oversampling * 8, 256);
if (mw > texsize) {
texsize = mw; // Special case, adapt to it?
}
if (mh > texsize) {
texsize = mh; // Special case, adapt to it?
}
#ifdef GDEXTENSION
texsize = Math::next_power_of_2(texsize);
@@ -274,6 +262,20 @@ _FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_
} else {
texsize = MIN(texsize, 1024);
}
if (mw > texsize) { // Special case, adapt to it?
#ifdef GDEXTENSION
texsize = Math::next_power_of_2(mw);
#else
texsize = next_power_of_2(mw);
#endif
}
if (mh > texsize) { // Special case, adapt to it?
#ifdef GDEXTENSION
texsize = Math::next_power_of_2(mh);
#else
texsize = next_power_of_2(mh);
#endif
}
FontTexture tex;
tex.texture_w = texsize;
@@ -439,8 +441,8 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
int mw = w + p_rect_margin * 2;
int mh = h + p_rect_margin * 2;
ERR_FAIL_COND_V(mw > 1024, FontGlyph());
ERR_FAIL_COND_V(mh > 1024, FontGlyph());
ERR_FAIL_COND_V(mw > 4096, FontGlyph());
ERR_FAIL_COND_V(mh > 4096, FontGlyph());
FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, 4, Image::FORMAT_RGBA8, mw, mh, true);
ERR_FAIL_COND_V(tex_pos.index < 0, FontGlyph());
@@ -481,20 +483,7 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
}
}
// Blit to image and texture.
{
if (RenderingServer::get_singleton() != nullptr) {
Ref<Image> img;
img.instantiate();
img->create_from_data(tex.texture_w, tex.texture_h, false, Image::FORMAT_RGBA8, tex.imgdata);
if (tex.texture.is_null()) {
tex.texture.instantiate();
tex.texture->create_from_image(img);
} else {
tex.texture->update(img);
}
}
}
tex.dirty = true;
// Update height array.
int32_t *offw = tex.offsets.ptrw();
@@ -520,8 +509,8 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
int mw = w + p_rect_margin * 2;
int mh = h + p_rect_margin * 2;
ERR_FAIL_COND_V(mw > 1024, FontGlyph());
ERR_FAIL_COND_V(mh > 1024, FontGlyph());
ERR_FAIL_COND_V(mw > 4096, FontGlyph());
ERR_FAIL_COND_V(mh > 4096, FontGlyph());
int color_size = bitmap.pixel_mode == FT_PIXEL_MODE_BGRA ? 4 : 2;
Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8;
@@ -566,21 +555,7 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
}
}
// Blit to image and texture.
{
if (RenderingServer::get_singleton() != nullptr) {
Ref<Image> img;
img.instantiate();
img->create_from_data(tex.texture_w, tex.texture_h, false, require_format, tex.imgdata);
if (tex.texture.is_null()) {
tex.texture.instantiate();
tex.texture->create_from_image(img);
} else {
tex.texture->update(img);
}
}
}
tex.dirty = true;
// Update height array.
int32_t *offw = tex.offsets.ptrw();
@@ -1472,6 +1447,7 @@ void TextServerFallback::font_set_texture_image(const RID &p_font_rid, const Vec
tex.texture = Ref<ImageTexture>();
tex.texture.instantiate();
tex.texture->create_from_image(img);
tex.dirty = false;
}
Ref<Image> TextServerFallback::font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const {
@@ -2019,6 +1995,19 @@ void TextServerFallback::font_draw_glyph(const RID &p_font_rid, const RID &p_can
}
#endif
if (RenderingServer::get_singleton() != nullptr) {
if (fd->cache[size]->textures[gl.texture_idx].dirty) {
FontTexture &tex = fd->cache[size]->textures.write[gl.texture_idx];
Ref<Image> img;
img.instantiate();
img->create_from_data(tex.texture_w, tex.texture_h, false, tex.format, tex.imgdata);
if (tex.texture.is_null()) {
tex.texture.instantiate();
tex.texture->create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
RID texture = fd->cache[size]->textures[gl.texture_idx].texture->get_rid();
if (fd->msdf) {
Point2 cpos = p_pos;
@@ -2082,6 +2071,19 @@ void TextServerFallback::font_draw_glyph_outline(const RID &p_font_rid, const RI
}
#endif
if (RenderingServer::get_singleton() != nullptr) {
if (fd->cache[size]->textures[gl.texture_idx].dirty) {
FontTexture &tex = fd->cache[size]->textures.write[gl.texture_idx];
Ref<Image> img;
img.instantiate();
img->create_from_data(tex.texture_w, tex.texture_h, false, tex.format, tex.imgdata);
if (tex.texture.is_null()) {
tex.texture.instantiate();
tex.texture->create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
RID texture = fd->cache[size]->textures[gl.texture_idx].texture->get_rid();
if (fd->msdf) {
Point2 cpos = p_pos;