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PicoVector: Prefix some pretty-poly variables.

pull/1064/head
Phil Howard 2024-11-14 21:31:52 +00:00
rodzic 24eee10895
commit aa9d03f0cb
1 zmienionych plików z 16 dodań i 16 usunięć
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32
libraries/pico_vector/pretty-poly.h
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@ -382,12 +382,12 @@ pp_rect_t pp_poly_bounds(pp_poly_t *p) {
// buffer that each tile is rendered into before callback
// allocate one extra byte to allow a small optimization in the row renderer
uint8_t tile_buffer[PP_TILE_BUFFER_SIZE * PP_TILE_BUFFER_SIZE];
uint8_t pp_tile_buffer[PP_TILE_BUFFER_SIZE * PP_TILE_BUFFER_SIZE];
// polygon node buffer handles at most 16 line intersections per scanline
// is this enough for cjk/emoji? (requires a 2kB buffer)
int32_t nodes[PP_TILE_BUFFER_SIZE * 4][PP_MAX_NODES_PER_SCANLINE * 2];
uint32_t node_counts[PP_TILE_BUFFER_SIZE * 4];
int32_t pp_nodes[PP_TILE_BUFFER_SIZE * 4][PP_MAX_NODES_PER_SCANLINE * 2];
uint32_t pp_node_counts[PP_TILE_BUFFER_SIZE * 4];
uint8_t _pp_alpha_map_none[2] = {0, 255};
uint8_t _pp_alpha_map_x4[5] = {0, 63, 127, 190, 255};
@ -474,7 +474,7 @@ void add_line_segment_to_nodes(const pp_point_t start, const pp_point_t end, pp_
// const int nx = interp1->peek[0];
// debug(" + adding node at %d, %d\n", x, y);
// // add node to node list
// nodes[y][node_counts[y]++] = nx;
// pp_nodes[y][pp_node_counts[y]++] = nx;
// // step to next scanline and accumulate error
// y++;
@ -490,7 +490,7 @@ void add_line_segment_to_nodes(const pp_point_t start, const pp_point_t end, pp_
int nx = _pp_max(_pp_min(x, (tb->w << _pp_antialias)), 0);
//debug(" + adding node at %d, %d\n", x, y);
// add node to node list
nodes[y][node_counts[y]++] = nx;
pp_nodes[y][pp_node_counts[y]++] = nx;
// step to next scanline and accumulate error
y++;
@ -531,17 +531,17 @@ pp_rect_t render_nodes(pp_rect_t *tb) {
for(int y = 0; y < ((int)PP_TILE_BUFFER_SIZE << _pp_antialias); y++) {
// debug(" : row %d node count %d\n", y, node_counts[y]);
// debug(" : row %d node count %d\n", y, pp_node_counts[y]);
if(node_counts[y] == 0) continue; // no nodes on this raster line
if(pp_node_counts[y] == 0) continue; // no nodes on this raster line
qsort(&nodes[y][0], node_counts[y], sizeof(int), compare_nodes);
qsort(&pp_nodes[y][0], pp_node_counts[y], sizeof(int), compare_nodes);
unsigned char* row_data = &tile_buffer[(y >> _pp_antialias) * PP_TILE_BUFFER_SIZE];
unsigned char* row_data = &pp_tile_buffer[(y >> _pp_antialias) * PP_TILE_BUFFER_SIZE];
for(uint32_t i = 0; i < node_counts[y]; i += 2) {
int sx = nodes[y][i + 0];
int ex = nodes[y][i + 1];
for(uint32_t i = 0; i < pp_node_counts[y]; i += 2) {
int sx = pp_nodes[y][i + 0];
int ex = pp_nodes[y][i + 1];
if(sx == ex) { // empty span, nothing to do
continue;
@ -584,7 +584,7 @@ pp_rect_t render_nodes(pp_rect_t *tb) {
if(_pp_antialias == 2) p_alpha_map = _pp_alpha_map_x16;
#if PP_SCALE_TO_ALPHA == 1
for(int y = rb.y; y < rb.y + rb.h; y++) {
unsigned char* row_data = &tile_buffer[y * PP_TILE_BUFFER_SIZE + rb.x];
unsigned char* row_data = &pp_tile_buffer[y * PP_TILE_BUFFER_SIZE + rb.x];
for(int x = rb.x; x < rb.x + rb.w; x++) {
*row_data = p_alpha_map[*row_data];
row_data++;
@ -636,8 +636,8 @@ void pp_render(pp_poly_t *polygon) {
if(pp_rect_empty(&tb)) { debug(" : empty when clipped, skipping\n"); continue; }
// clear existing tile data and nodes
memset(node_counts, 0, sizeof(node_counts));
memset(tile_buffer, 0, PP_TILE_BUFFER_SIZE * PP_TILE_BUFFER_SIZE);
memset(pp_node_counts, 0, sizeof(pp_node_counts));
memset(pp_tile_buffer, 0, PP_TILE_BUFFER_SIZE * PP_TILE_BUFFER_SIZE);
// build the nodes for each pp_path_t
pp_path_t *path = polygon->paths;
@ -659,7 +659,7 @@ void pp_render(pp_poly_t *polygon) {
pp_tile_t tile = {
.x = tb.x, .y = tb.y, .w = tb.w, .h = tb.h,
.stride = PP_TILE_BUFFER_SIZE,
.data = tile_buffer + rb.x + (PP_TILE_BUFFER_SIZE * rb.y)
.data = pp_tile_buffer + rb.x + (PP_TILE_BUFFER_SIZE * rb.y)
};
_pp_tile_callback(&tile);