From 4943c18520c7d4a9a2f7fb5dc4cb45bd8004bbd3 Mon Sep 17 00:00:00 2001
From: rcombs <rcombs@rcombs.me>
Date: Wed, 27 Jul 2022 16:50:04 -0500
Subject: ass_render: mover rasterizer into RenderContext

---
 libass/ass_bitmap.c |  5 +++--
 libass/ass_bitmap.h |  4 +++-
 libass/ass_render.c | 14 +++++++-------
 libass/ass_render.h |  8 +++++---
 4 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c
index 1b858cc..527916f 100644
--- a/libass/ass_bitmap.c
+++ b/libass/ass_bitmap.c
@@ -168,10 +168,11 @@ bool ass_copy_bitmap(const BitmapEngine *engine, Bitmap *dst, const Bitmap *src)
     return true;
 }
 
-bool ass_outline_to_bitmap(ASS_Renderer *render_priv, Bitmap *bm,
+bool ass_outline_to_bitmap(RenderContext *state, Bitmap *bm,
                            ASS_Outline *outline1, ASS_Outline *outline2)
 {
-    RasterizerData *rst = &render_priv->rasterizer;
+    ASS_Renderer *render_priv = state->renderer;
+    RasterizerData *rst = &state->rasterizer;
     if (outline1 && !ass_rasterizer_set_outline(rst, outline1, false)) {
         ass_msg(render_priv->library, MSGL_WARN, "Failed to process glyph outline!\n");
         return false;
diff --git a/libass/ass_bitmap.h b/libass/ass_bitmap.h
index e21d100..90973e0 100644
--- a/libass/ass_bitmap.h
+++ b/libass/ass_bitmap.h
@@ -102,7 +102,9 @@ bool ass_realloc_bitmap(const BitmapEngine *engine, Bitmap *bm, int32_t w, int32
 bool ass_copy_bitmap(const BitmapEngine *engine, Bitmap *dst, const Bitmap *src);
 void ass_free_bitmap(Bitmap *bm);
 
-bool ass_outline_to_bitmap(ASS_Renderer *render_priv, Bitmap *bm,
+struct render_context;
+
+bool ass_outline_to_bitmap(struct render_context *state, Bitmap *bm,
                            ASS_Outline *outline1, ASS_Outline *outline2);
 
 void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm,
diff --git a/libass/ass_render.c b/libass/ass_render.c
index 54bb7fa..cbc9e28 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -119,7 +119,7 @@ ASS_Renderer *ass_renderer_init(ASS_Library *library)
     priv->engine = &ass_bitmap_engine_c;
 #endif
 
-    if (!ass_rasterizer_init(priv->engine, &priv->rasterizer, RASTERIZER_PRECISION))
+    if (!ass_rasterizer_init(priv->engine, &priv->state.rasterizer, RASTERIZER_PRECISION))
         goto fail;
 
     priv->cache.font_cache = ass_font_cache_create();
@@ -175,7 +175,7 @@ void ass_renderer_done(ASS_Renderer *render_priv)
     ass_shaper_free(render_priv->state.shaper);
     ass_cache_done(render_priv->cache.font_cache);
 
-    ass_rasterizer_done(&render_priv->rasterizer);
+    ass_rasterizer_done(&render_priv->state.rasterizer);
 
     if (render_priv->fontselect)
         ass_fontselect_free(render_priv->fontselect);
@@ -716,7 +716,7 @@ static void blend_vector_clip(RenderContext *state, ASS_Image *head)
         ass_cache_dec_ref(key.outline);
         return;
     }
-    Bitmap *clip_bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, render_priv);
+    Bitmap *clip_bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, state);
     if (!clip_bm)
         return;
 
@@ -1410,7 +1410,7 @@ get_bitmap_glyph(RenderContext *state, GlyphInfo *info,
         ass_cache_dec_ref(info->outline);
         return;
     }
-    info->bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, render_priv);
+    info->bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, state);
     if (!info->bm || !info->bm->buffer) {
         ass_cache_dec_ref(info->bm);
         info->bm = NULL;
@@ -1537,7 +1537,7 @@ get_bitmap_glyph(RenderContext *state, GlyphInfo *info,
         ass_cache_dec_ref(key.outline);
         return;
     }
-    info->bm_o = ass_cache_get(render_priv->cache.bitmap_cache, &key, render_priv);
+    info->bm_o = ass_cache_get(render_priv->cache.bitmap_cache, &key, state);
     if (!info->bm_o || !info->bm_o->buffer) {
         ass_cache_dec_ref(info->bm_o);
         info->bm_o = NULL;
@@ -1548,7 +1548,7 @@ get_bitmap_glyph(RenderContext *state, GlyphInfo *info,
 
 size_t ass_bitmap_construct(void *key, void *value, void *priv)
 {
-    ASS_Renderer *render_priv = priv;
+    RenderContext *state = priv;
     BitmapHashKey *k = key;
     Bitmap *bm = value;
 
@@ -1564,7 +1564,7 @@ size_t ass_bitmap_construct(void *key, void *value, void *priv)
         ass_outline_transform_2d(&outline[1], &k->outline->outline[1], m);
     }
 
-    if (!ass_outline_to_bitmap(render_priv, bm, &outline[0], &outline[1]))
+    if (!ass_outline_to_bitmap(state, bm, &outline[0], &outline[1]))
         memset(bm, 0, sizeof(*bm));
     ass_outline_free(&outline[0]);
     ass_outline_free(&outline[1]);
diff --git a/libass/ass_render.h b/libass/ass_render.h
index 31204bd..fadbee1 100644
--- a/libass/ass_render.h
+++ b/libass/ass_render.h
@@ -208,10 +208,11 @@ typedef struct {
 
 // Renderer state.
 // Values like current font face, color, screen position, clipping and so on are stored here.
-typedef struct {
+struct render_context {
     ASS_Renderer *renderer;
     TextInfo *text_info;
     ASS_Shaper *shaper;
+    RasterizerData rasterizer;
 
     ASS_Event *event;
     ASS_Style *style;
@@ -292,7 +293,9 @@ typedef struct {
     double border_scale_x;
     double border_scale_y;
     double blur_scale;
-} RenderContext;
+};
+
+typedef struct render_context RenderContext;
 
 typedef struct {
     Cache *font_cache;
@@ -334,7 +337,6 @@ struct ass_renderer {
     CacheStore cache;
 
     const BitmapEngine *engine;
-    RasterizerData rasterizer;
 
     ASS_Style user_override_style;
 };
-- 
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