forked from enlightenment/efl
405 lines
11 KiB
C
405 lines
11 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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#include "evas_engine.h"
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#include "Evas_Engine_Buffer.h"
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/* domain for eina_log */
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/* the log macros are defined in evas_common.h */
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/* theirs names are EVAS_ERR, EVAS_DBG, EVAS_CRIT, EVAS_WRN and EVAS_INF */
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/* although we can use the EVAS_ERROR, etc... macros it will not work
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when the -fvisibility=hidden option is passed to gcc */
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int _evas_engine_buffer_log_dom = -1;
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/* function tables - filled in later (func and parent func) */
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static Evas_Func func, pfunc;
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/* engine struct data */
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typedef struct _Render_Engine Render_Engine;
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struct _Render_Engine
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{
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Tilebuf *tb;
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Outbuf *ob;
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Tilebuf_Rect *rects;
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Eina_Inlist *cur_rect;
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int end : 1;
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};
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/* prototypes we will use here */
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static void *_output_setup(int w, int h, void *dest_buffer, int dest_buffer_row_bytes, int depth_type, int use_color_key, int alpha_threshold, int color_key_r, int color_key_g, int color_key_b, void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes), void (*free_update_region) (int x, int y, int w, int h, void *data));
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static void *eng_info(Evas *e);
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static void eng_info_free(Evas *e, void *info);
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static int eng_setup(Evas *e, void *info);
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static void eng_output_free(void *data);
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static void eng_output_resize(void *data, int w, int h);
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static void eng_output_tile_size_set(void *data, int w, int h);
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static void eng_output_redraws_rect_add(void *data, int x, int y, int w, int h);
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static void eng_output_redraws_rect_del(void *data, int x, int y, int w, int h);
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static void eng_output_redraws_clear(void *data);
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static void *eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch);
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static void eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h);
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static void eng_output_flush(void *data);
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static void eng_output_idle_flush(void *data);
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/* internal engine routines */
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static void *
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_output_setup(int w,
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int h,
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void *dest_buffer,
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int dest_buffer_row_bytes,
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int depth_type,
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int use_color_key,
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int alpha_threshold,
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int color_key_r,
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int color_key_g,
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int color_key_b,
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void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes),
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void (*free_update_region) (int x, int y, int w, int h, void *data)
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)
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{
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Render_Engine *re;
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re = calloc(1, sizeof(Render_Engine));
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if (!re)
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return NULL;
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/* if we haven't initialized - init (automatic abort if already done) */
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evas_common_cpu_init();
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evas_common_blend_init();
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evas_common_image_init();
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evas_common_convert_init();
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evas_common_scale_init();
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evas_common_rectangle_init();
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evas_common_gradient_init();
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evas_common_polygon_init();
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evas_common_line_init();
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evas_common_font_init();
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evas_common_draw_init();
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evas_common_tilebuf_init();
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evas_buffer_outbuf_buf_init();
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{
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Outbuf_Depth dep;
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DATA32 color_key = 0;
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dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
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if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_ARGB32)
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dep = OUTBUF_DEPTH_ARGB_32BPP_8888_8888;
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else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB32)
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dep = OUTBUF_DEPTH_RGB_32BPP_888_8888;
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else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGRA32)
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dep = OUTBUF_DEPTH_BGRA_32BPP_8888_8888;
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else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB24)
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dep = OUTBUF_DEPTH_RGB_24BPP_888_888;
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else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGR24)
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dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
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R_VAL(&color_key) = color_key_r;
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G_VAL(&color_key) = color_key_g;
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B_VAL(&color_key) = color_key_b;
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A_VAL(&color_key) = 0;
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re->ob = evas_buffer_outbuf_buf_setup_fb(w,
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h,
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dep,
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dest_buffer,
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dest_buffer_row_bytes,
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use_color_key,
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color_key,
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alpha_threshold,
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new_update_region,
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free_update_region);
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}
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re->tb = evas_common_tilebuf_new(w, h);
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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return re;
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}
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/* engine api this module provides */
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static void *
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eng_info(Evas *e)
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{
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Evas_Engine_Info_Buffer *info;
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info = calloc(1, sizeof(Evas_Engine_Info_Buffer));
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if (!info) return NULL;
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info->magic.magic = rand();
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info->render_mode = EVAS_RENDER_MODE_BLOCKING;
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return info;
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e = NULL;
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}
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static void
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eng_info_free(Evas *e __UNUSED__, void *info)
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{
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Evas_Engine_Info_Buffer *in;
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in = (Evas_Engine_Info_Buffer *)info;
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free(in);
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}
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static int
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eng_setup(Evas *e, void *in)
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{
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Render_Engine *re;
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Evas_Engine_Info_Buffer *info;
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info = (Evas_Engine_Info_Buffer *)in;
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re = _output_setup(e->output.w,
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e->output.h,
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info->info.dest_buffer,
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info->info.dest_buffer_row_bytes,
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info->info.depth_type,
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info->info.use_color_key,
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info->info.alpha_threshold,
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info->info.color_key_r,
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info->info.color_key_g,
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info->info.color_key_b,
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info->info.func.new_update_region,
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info->info.func.free_update_region);
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if (e->engine.data.output)
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eng_output_free(e->engine.data.output);
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e->engine.data.output = re;
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if (!e->engine.data.output) return 0;
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if (!e->engine.data.context)
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e->engine.data.context = e->engine.func->context_new(e->engine.data.output);
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return 1;
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}
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static void
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eng_output_free(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_buffer_outbuf_buf_free(re->ob);
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evas_common_tilebuf_free(re->tb);
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if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
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free(re);
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evas_common_font_shutdown();
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evas_common_image_shutdown();
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}
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static void
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eng_output_resize(void *data, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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{
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int depth;
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void *dest;
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int dest_row_bytes;
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int alpha_level;
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DATA32 color_key;
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char use_color_key;
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
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void (*free_update_region) (int x, int y, int w, int h, void *data);
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depth = re->ob->depth;
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dest = re->ob->dest;
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dest_row_bytes = re->ob->dest_row_bytes;
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alpha_level = re->ob->alpha_level;
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color_key = re->ob->color_key;
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use_color_key = re->ob->use_color_key;
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new_update_region = re->ob->func.new_update_region;
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free_update_region = re->ob->func.free_update_region;
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evas_buffer_outbuf_buf_free(re->ob);
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re->ob = evas_buffer_outbuf_buf_setup_fb(w,
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h,
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depth,
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dest,
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dest_row_bytes,
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use_color_key,
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color_key,
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alpha_level,
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new_update_region,
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free_update_region);
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}
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evas_common_tilebuf_free(re->tb);
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re->tb = evas_common_tilebuf_new(w, h);
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if (re->tb)
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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}
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static void
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eng_output_tile_size_set(void *data, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_set_tile_size(re->tb, w, h);
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}
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static void
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eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
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}
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static void
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eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
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}
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static void
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eng_output_redraws_clear(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_clear(re->tb);
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}
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static void *
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eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch)
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{
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Render_Engine *re;
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RGBA_Image *surface;
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Tilebuf_Rect *rect;
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int ux, uy, uw, uh;
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re = (Render_Engine *)data;
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if (re->end)
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{
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re->end = 0;
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return NULL;
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}
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if (!re->rects)
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{
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re->rects = evas_common_tilebuf_get_render_rects(re->tb);
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re->cur_rect = EINA_INLIST_GET(re->rects);
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}
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if (!re->cur_rect) return NULL;
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rect = (Tilebuf_Rect *)re->cur_rect;
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ux = rect->x; uy = rect->y; uw = rect->w; uh = rect->h;
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re->cur_rect = re->cur_rect->next;
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if (!re->cur_rect)
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{
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evas_common_tilebuf_free_render_rects(re->rects);
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re->rects = NULL;
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re->end = 1;
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}
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if ((ux + uw) > re->ob->w) uw = re->ob->w - ux;
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if ((uy + uh) > re->ob->h) uh = re->ob->h - uy;
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if ((uw <= 0) || (uh <= 0)) return NULL;
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surface = evas_buffer_outbuf_buf_new_region_for_update(re->ob,
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ux, uy, uw, uh,
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cx, cy, cw, ch);
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*x = ux; *y = uy; *w = uw; *h = uh;
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return surface;
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}
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static void
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eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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#ifdef BUILD_PIPE_RENDER
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evas_common_pipe_map4_begin(surface);
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#endif
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evas_buffer_outbuf_buf_push_updated_region(re->ob, surface, x, y, w, h);
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evas_buffer_outbuf_buf_free_region_for_update(re->ob, surface);
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evas_common_cpu_end_opt();
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}
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static void
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eng_output_flush(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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}
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static void
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eng_output_idle_flush(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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}
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static Eina_Bool
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eng_canvas_alpha_get(void *data, void *context __UNUSED__)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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if (re->ob->priv.back_buf)
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return re->ob->priv.back_buf->cache_entry.flags.alpha;
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return EINA_TRUE;
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}
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/* module advertising code */
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static int
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module_open(Evas_Module *em)
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{
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if (!em) return 0;
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/* get whatever engine module we inherit from */
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if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
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_evas_engine_buffer_log_dom = eina_log_domain_register("EvasBufferEngine", EINA_COLOR_BLUE);
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if(_evas_engine_buffer_log_dom < 0)
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{
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EINA_LOG_ERR("Impossible to create a log domain for Eina.buffer.\n");
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return 0;
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}
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/* store it for later use */
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func = pfunc;
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/* now to override methods */
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#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
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ORD(info);
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ORD(info_free);
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ORD(setup);
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ORD(canvas_alpha_get);
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ORD(output_free);
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ORD(output_resize);
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ORD(output_tile_size_set);
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ORD(output_redraws_rect_add);
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ORD(output_redraws_rect_del);
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ORD(output_redraws_clear);
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ORD(output_redraws_next_update_get);
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ORD(output_redraws_next_update_push);
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ORD(output_flush);
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ORD(output_idle_flush);
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/* now advertise out own api */
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em->functions = (void *)(&func);
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return 1;
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}
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static void
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module_close(Evas_Module *em)
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{
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eina_log_domain_unregister(_evas_engine_buffer_log_dom);
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}
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static Evas_Module_Api evas_modapi =
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{
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EVAS_MODULE_API_VERSION,
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"buffer",
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"none",
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{
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module_open,
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module_close
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}
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};
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EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, buffer);
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#ifndef EVAS_STATIC_BUILD_BUFFER
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EVAS_EINA_MODULE_DEFINE(engine, buffer);
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#endif
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