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https://gitlab.freedesktop.org/cairo/cairo.git
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[dfb] convert RUN_CLIPPED macro to function with helpers
This helps with debugging and prepares the way for some future code cleanup.
This commit is contained in:
Vladimir Vukicevic
Vladimir Vukicevic
parent
bc4635f077
commit
71f010bb52
1 changed files with 186 additions and 55 deletions
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@ -120,38 +120,160 @@ static int _directfb_argb_font = 0;
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/*****************************************************************************/
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typedef cairo_bool_t (*clipped_draw_func) (cairo_directfb_surface_t *dfs,
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void *closure);
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#define RUN_CLIPPED( surface, clip, func ) {\
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if ((surface)->clips) {\
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int k;\
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for (k = 0; k < (surface)->n_clips; k++) {\
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if (clip) {\
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DFBRegion reg = (surface)->clips[k];\
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DFBRegion *cli = (clip);\
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if (reg.x2 < cli->x1 || reg.y2 < cli->y1 ||\
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reg.x1 > cli->x2 || reg.y1 > cli->y2)\
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continue;\
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if (reg.x1 < cli->x1)\
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reg.x1 = cli->x1;\
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if (reg.y1 < cli->y1)\
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reg.y1 = cli->y1;\
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if (reg.x2 > cli->x2)\
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reg.x2 = cli->x2;\
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if (reg.y2 > cli->y2)\
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reg.y2 = cli->y2;\
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface, ®);\
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}\
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else {\
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface,\
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&(surface)->clips[k]);\
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}\
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func;\
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}\
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}\
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else {\
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface, clip);\
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func;\
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}\
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static cairo_bool_t
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_cairo_directfb_run_clipped (cairo_directfb_surface_t *surface,
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const DFBRegion *clip,
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clipped_draw_func draw_func,
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void *draw_closure)
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{
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cairo_bool_t ok = TRUE;
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if (surface->clips) {
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int k;
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for (k = 0; k < surface->n_clips; k++) {
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DFBRegion reg = surface->clips[k];
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if (clip) {
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if (reg.x2 < clip->x1 || reg.y2 < clip->y1 ||
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reg.x1 > clip->x2 || reg.y1 > clip->y2)
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continue;
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if (reg.x1 < clip->x1)
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reg.x1 = clip->x1;
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if (reg.y1 < clip->y1)
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reg.y1 = clip->y1;
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if (reg.x2 > clip->x2)
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reg.x2 = clip->x2;
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if (reg.y2 > clip->y2)
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reg.y2 = clip->y2;
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}
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surface->dfbsurface->SetClip (surface->dfbsurface, ®);
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ok = draw_func (surface, draw_closure);
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if (!ok)
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goto FAIL;
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}
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} else {
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surface->dfbsurface->SetClip (surface->dfbsurface, clip);
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ok = draw_func (surface, draw_closure);
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}
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FAIL:
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surface->dfbsurface->SetClip (surface->dfbsurface, NULL);
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return ok;
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}
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// TextureTriangles
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typedef struct {
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cairo_bool_t tile;
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IDirectFBSurface *src;
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DFBRectangle src_rect;
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DFBRectangle dst_rect;
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} _dfb_blit_op;
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static cairo_bool_t
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_dfb_clip_func_blit (cairo_directfb_surface_t *dfs,
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void *closure)
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{
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_dfb_blit_op *op = (_dfb_blit_op*) closure;
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DFBResult rv;
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if (op->tile) {
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rv = dfs->dfbsurface->TileBlit (dfs->dfbsurface,
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op->src,
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&op->src_rect,
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op->dst_rect.x,
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op->dst_rect.y);
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} else if (op->dst_rect.w != op->src_rect.w ||
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op->dst_rect.h != op->src_rect.h)
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{
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rv = dfs->dfbsurface->StretchBlit (dfs->dfbsurface,
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op->src,
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&op->src_rect,
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&op->dst_rect);
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} else {
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rv = dfs->dfbsurface->Blit (dfs->dfbsurface,
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op->src,
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&op->src_rect,
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op->dst_rect.x,
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op->dst_rect.y);
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}
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return (rv == DFB_OK);
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}
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typedef struct {
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IDirectFBSurface *src;
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int count;
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const DFBRectangle *src_rects;
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const DFBPoint *dst_points;
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} _dfb_batch_blit_op;
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static cairo_bool_t
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_dfb_clip_func_batch_blit (cairo_directfb_surface_t *dfs,
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void *closure)
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{
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_dfb_batch_blit_op *op = (_dfb_batch_blit_op*) closure;
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DFBResult rv;
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rv = dfs->dfbsurface->BatchBlit (dfs->dfbsurface,
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op->src,
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op->src_rects,
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op->dst_points,
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op->count);
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return (rv == DFB_OK);
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}
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typedef struct {
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int count;
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const DFBRectangle *rects;
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} _dfb_fill_rects_op;
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static cairo_bool_t
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_dfb_clip_func_fill_rects (cairo_directfb_surface_t *dfs,
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void *closure)
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{
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_dfb_fill_rects_op *op = (_dfb_fill_rects_op*) closure;
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DFBResult rv;
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rv = dfs->dfbsurface->FillRectangles (dfs->dfbsurface,
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op->rects,
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op->count);
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return (rv == DFB_OK);
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}
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typedef struct {
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IDirectFBSurface *src;
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const DFBVertex *vertices;
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const int *indices;
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int count;
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DFBTriangleFormation formation;
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} _dfb_texture_triangles_op;
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static cairo_bool_t
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_dfb_clip_func_texture_triangles (cairo_directfb_surface_t *dfs,
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void *closure)
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{
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_dfb_texture_triangles_op *op = (_dfb_texture_triangles_op*) closure;
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DFBResult rv;
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rv = dfs->dfbsurface->TextureTriangles (dfs->dfbsurface,
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op->src,
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op->vertices,
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op->indices,
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op->count,
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op->formation);
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return (rv == DFB_OK);
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}
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#define TRANSFORM_POINT2X( m, x, y, ret_x, ret_y ) {\
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@ -921,10 +1043,11 @@ _cairo_directfb_surface_composite (cairo_operator_t op,
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if (src_attr.extend == CAIRO_EXTEND_NONE) {
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D_DEBUG_AT (Cairo_DirectFB, "Running Blit().\n");
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RUN_CLIPPED( dst, NULL,
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dst->dfbsurface->Blit (dst->dfbsurface,
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src->dfbsurface, &sr, dst_x, dst_y));
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{
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_dfb_blit_op op = { FALSE, src->dfbsurface, sr, { dst_x, dst_y, width, height } };
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_cairo_directfb_run_clipped (dst, NULL, _dfb_clip_func_blit, &op);
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}
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}
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else if (src_attr.extend == CAIRO_EXTEND_REPEAT) {
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DFBRegion clip;
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@ -936,9 +1059,10 @@ _cairo_directfb_surface_composite (cairo_operator_t op,
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D_DEBUG_AT (Cairo_DirectFB, "Running TileBlit().\n");
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RUN_CLIPPED( dst, &clip,
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dst->dfbsurface->TileBlit (dst->dfbsurface,
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src->dfbsurface, &sr, dst_x, dst_y));
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{
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_dfb_blit_op op = { TRUE, src->dfbsurface, sr, { dst_x, dst_y, width, height } };
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_cairo_directfb_run_clipped (dst, &clip, _dfb_clip_func_blit, &op);
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}
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}
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} break;
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@ -963,9 +1087,10 @@ _cairo_directfb_surface_composite (cairo_operator_t op,
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D_DEBUG_AT (Cairo_DirectFB, "Running StretchBlit().\n");
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RUN_CLIPPED (dst, NULL,
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dst->dfbsurface->StretchBlit (dst->dfbsurface,
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src->dfbsurface, &sr, &dr));
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{
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_dfb_blit_op op = { FALSE, src->dfbsurface, sr, dr };
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_cairo_directfb_run_clipped (dst, NULL, _dfb_clip_func_blit, &op);
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}
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} break;
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case DFXL_TEXTRIANGLES: {
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@ -1021,9 +1146,11 @@ _cairo_directfb_surface_composite (cairo_operator_t op,
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D_DEBUG_AT (Cairo_DirectFB, "Running TextureTriangles().\n");
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RUN_CLIPPED (dst, &clip,
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dst->dfbsurface->TextureTriangles (dst->dfbsurface,
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src->dfbsurface, v, NULL, 4, DTTF_FAN));
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{
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_dfb_texture_triangles_op op = { src->dfbsurface, v, NULL, 4, DTTF_FAN };
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_cairo_directfb_run_clipped (dst, &clip, _dfb_clip_func_texture_triangles, &op);
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}
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} break;
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default:
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@ -1101,9 +1228,11 @@ _cairo_directfb_surface_fill_rectangles (void *abstract_surface
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r[i].w = rects[i].width;
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r[i].h = rects[i].height;
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}
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RUN_CLIPPED (dst, NULL,
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dst->dfbsurface->FillRectangles (dst->dfbsurface, r, n_rects));
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{
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_dfb_fill_rects_op op = { n_rects, r };
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_cairo_directfb_run_clipped (dst, NULL, _dfb_clip_func_fill_rects, &op);
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}
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return CAIRO_STATUS_SUCCESS;
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}
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@ -1237,10 +1366,11 @@ _cairo_directfb_surface_composite_trapezoids (cairo_operator_t op,
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D_DEBUG_AT (Cairo_DirectFB, "Running TextureTriangles().\n");
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RUN_CLIPPED (dst, NULL,
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dst->dfbsurface->TextureTriangles (dst->dfbsurface, src->dfbsurface,
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vertex, NULL, n, DTTF_LIST));
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{
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_dfb_texture_triangles_op op = { src->dfbsurface, vertex, NULL, n, DTTF_LIST };
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_cairo_directfb_run_clipped (dst, &clip, _dfb_clip_func_texture_triangles, &op);
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}
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ret = CAIRO_STATUS_SUCCESS;
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}
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@ -1662,10 +1792,11 @@ _cairo_directfb_surface_show_glyphs (void *abstract_dst,
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dst->dfbsurface->SetColor (dst->dfbsurface, color.r, color.g, color.b, color.a);
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D_DEBUG_AT (Cairo_DirectFB, "Running BatchBlit().\n");
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RUN_CLIPPED (dst, NULL,
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dst->dfbsurface->BatchBlit (dst->dfbsurface,
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cache->dfbsurface, rects, points, num));
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{
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_dfb_batch_blit_op op = { cache->dfbsurface, num, rects, points };
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_cairo_directfb_run_clipped (dst, NULL, _dfb_clip_func_batch_blit, &op);
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}
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return CAIRO_STATUS_SUCCESS;
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}
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