1 files changed, 379 insertions, 0 deletions

diff --git a/libraries/evas/src/modules/engines/software_ddraw/evas_engine.c b/libraries/evas/src/modules/engines/software_ddraw/evas_engine.c
new file mode 100644
index 0000000..5bfc87f
--- /dev/null
+++ b/libraries/evas/src/modules/engines/software_ddraw/evas_engine.c
@@ -0,0 +1,379 @@
+#include "evas_common.h"
+#include "evas_private.h"
+#include "evas_engine.h"
+#include "Evas_Engine_Software_DDraw.h"
+
+int _evas_engine_soft_ddraw_log_dom = -1;
+/* function tables - filled in later (func and parent func) */
+static Evas_Func func, pfunc;
+
+/* engine struct data */
+typedef struct _Render_Engine Render_Engine;
+
+struct _Render_Engine
+{
+   Tilebuf          *tb;
+   Outbuf           *ob;
+   Tilebuf_Rect     *rects;
+   Eina_Inlist      *cur_rect;
+   int               end : 1;
+};
+
+
+/* log domain variable */
+int _evas_log_dom_module = -1;
+
+
+static void *
+_output_setup(int  width,
+              int  height,
+              int  rot,
+              HWND window,
+              int  depth,
+              int  fullscreen)
+{
+   Render_Engine *re;
+
+   re = calloc(1, sizeof(Render_Engine));
+   if (!re)
+     return NULL;
+
+   /* if we haven't initialized - init (automatic abort if already done) */
+   evas_common_cpu_init();
+
+   evas_common_blend_init();
+   evas_common_image_init();
+   evas_common_convert_init();
+   evas_common_scale_init();
+   evas_common_rectangle_init();
+   evas_common_polygon_init();
+   evas_common_line_init();
+   evas_common_font_init();
+   evas_common_draw_init();
+   evas_common_tilebuf_init();
+
+   evas_software_ddraw_outbuf_init();
+
+   re->ob = evas_software_ddraw_outbuf_setup(width, height, rot,
+                                             OUTBUF_DEPTH_INHERIT,
+                                             window, depth, fullscreen);
+   if (!re->ob)
+     {
+        free(re);
+        return NULL;
+     }
+
+   /* for updates return 1 big buffer, but only use portions of it, also cache
+    it and keep it around until an idle_flush */
+   /* disable for now - i am hunting down why some expedite tests are slower,
+    * as well as shaped stuff is broken and probable non-32bpp is broken as
+    * convert funcs dont do the right thing
+    *
+   re->ob->onebuf = 1;
+    */
+
+   re->tb = evas_common_tilebuf_new(width, height);
+   if (!re->tb)
+     {
+        evas_software_ddraw_outbuf_free(re->ob);
+        free(re);
+        return NULL;
+     }
+   /* in preliminary tests 16x16 gave highest framerates */
+   evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
+
+   return re;
+}
+
+
+/* engine api this module provides */
+
+static void *
+eng_info(Evas *e)
+{
+   Evas_Engine_Info_Software_DDraw *info;
+
+   info = calloc(1, sizeof(Evas_Engine_Info_Software_DDraw));
+   if (!info) return NULL;
+   info->magic.magic = rand();
+   info->render_mode = EVAS_RENDER_MODE_BLOCKING;
+   return info;
+   e = NULL;
+}
+
+static void
+eng_info_free(Evas *e, void *info)
+{
+   Evas_Engine_Info_Software_DDraw *in;
+   in = (Evas_Engine_Info_Software_DDraw *)info;
+   free(in);
+}
+
+static int
+eng_setup(Evas *e, void *in)
+{
+   Render_Engine                   *re;
+   Evas_Engine_Info_Software_DDraw *info;
+
+   info = (Evas_Engine_Info_Software_DDraw *)in;
+   if (!e->engine.data.output)
+     e->engine.data.output = _output_setup(e->output.w,
+                                           e->output.h,
+                                           info->info.rotation,
+                                           info->info.window,
+                                           info->info.depth,
+                                           info->info.fullscreen);
+   else
+     {
+        int ponebuf = 0;
+
+        re = e->engine.data.output;
+        ponebuf = re->ob->onebuf;
+        evas_software_ddraw_outbuf_free(re->ob);
+        re->ob = evas_software_ddraw_outbuf_setup(e->output.w,
+                                                  e->output.h,
+                                                  info->info.rotation,
+                                                  OUTBUF_DEPTH_INHERIT,
+                                                  info->info.window,
+                                                  info->info.depth,
+                                                  info->info.fullscreen);
+        re->ob->onebuf = ponebuf;
+     }
+   if (!e->engine.data.output) return 0;
+   if (!e->engine.data.context)
+     e->engine.data.context = e->engine.func->context_new(e->engine.data.output);
+
+   re = e->engine.data.output;
+
+   return 1;
+}
+
+static void
+eng_output_free(void *data)
+{
+   Render_Engine *re;
+
+   if (!data) return;
+
+   re = (Render_Engine *)data;
+   evas_software_ddraw_outbuf_free(re->ob);
+   evas_common_tilebuf_free(re->tb);
+   if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
+   free(re);
+
+   evas_common_font_shutdown();
+   evas_common_image_shutdown();
+}
+
+static void
+eng_output_resize(void *data, int width, int height)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_software_ddraw_outbuf_reconfigure(re->ob,
+                                          width,
+                                          height,
+                                          evas_software_ddraw_outbuf_rot_get(re->ob),
+                                          OUTBUF_DEPTH_INHERIT);
+   evas_common_tilebuf_free(re->tb);
+   re->tb = evas_common_tilebuf_new(width, height);
+   if (re->tb)
+     evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
+}
+
+static void
+eng_output_tile_size_set(void *data, int w, int h)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_common_tilebuf_set_tile_size(re->tb, w, h);
+}
+
+static void
+eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
+}
+
+static void
+eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
+}
+
+static void
+eng_output_redraws_clear(void *data)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_common_tilebuf_clear(re->tb);
+}
+
+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)
+{
+   Render_Engine *re;
+   RGBA_Image    *surface;
+   Tilebuf_Rect  *rect;
+   int            ux;
+   int            uy;
+   int            uw;
+   int            uh;
+
+   re = (Render_Engine *)data;
+   if (re->end)
+     {
+        re->end = 0;
+        return NULL;
+     }
+   if (!re->rects)
+     {
+        re->rects = evas_common_tilebuf_get_render_rects(re->tb);
+        re->cur_rect = EINA_INLIST_GET(re->rects);
+     }
+   if (!re->cur_rect) return NULL;
+   rect = (Tilebuf_Rect *)re->cur_rect;
+   ux = rect->x;
+   uy = rect->y;
+   uw = rect->w;
+   uh = rect->h;
+   re->cur_rect = re->cur_rect->next;
+   if (!re->cur_rect)
+     {
+        evas_common_tilebuf_free_render_rects(re->rects);
+        re->rects = NULL;
+        re->end = 1;
+     }
+
+   surface = evas_software_ddraw_outbuf_new_region_for_update(re->ob,
+                                                              ux,
+                                                              uy,
+                                                              uw,
+                                                              uh,
+                                                              cx,
+                                                              cy,
+                                                              cw,
+                                                              ch);
+
+   *x = ux;
+   *y = uy;
+   *w = uw;
+   *h = uh;
+
+   return surface;
+}
+
+static void
+eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+#ifdef BUILD_PIPE_RENDER
+   evas_common_pipe_map_begin(surface);
+#endif   
+   evas_software_ddraw_outbuf_push_updated_region(re->ob, surface, x, y, w, h);
+   evas_software_ddraw_outbuf_free_region_for_update(re->ob, surface);
+   evas_common_cpu_end_opt();
+}
+
+static void
+eng_output_flush(void *data)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_software_ddraw_outbuf_flush(re->ob);
+}
+
+static void
+eng_output_idle_flush(void *data)
+{
+   Render_Engine *re;
+
+   re = (Render_Engine *)data;
+   evas_software_ddraw_outbuf_idle_flush(re->ob);
+}
+
+static Eina_Bool
+eng_canvas_alpha_get(void *data, void *context)
+{
+   return EINA_FALSE;
+}
+
+/* module advertising code */
+static int
+module_open(Evas_Module *em)
+{
+   if (!em) return 0;
+   /* get whatever engine module we inherit from */
+   if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
+   _evas_log_dom_module = eina_log_domain_register
+     ("evas-software_ddraw", EVAS_DEFAULT_LOG_COLOR);
+   if (_evas_log_dom_module < 0)
+     {
+        EINA_LOG_ERR("Can not create a module log domain.");
+        return 0;
+     }
+   /* store it for later use */
+   func = pfunc;
+   /* now to override methods */
+#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
+   ORD(info);
+   ORD(info_free);
+   ORD(setup);
+   ORD(canvas_alpha_get);
+   ORD(output_free);
+   ORD(output_resize);
+   ORD(output_tile_size_set);
+   ORD(output_redraws_rect_add);
+   ORD(output_redraws_rect_del);
+   ORD(output_redraws_clear);
+   ORD(output_redraws_next_update_get);
+   ORD(output_redraws_next_update_push);
+   ORD(output_flush);
+   ORD(output_idle_flush);
+   /* now advertise out own api */
+   em->functions = (void *)(&func);
+   return 1;
+}
+
+static void
+module_close(Evas_Module *em)
+{
+  eina_log_domain_unregister(_evas_log_dom_module);
+}
+
+static Evas_Module_Api evas_modapi =
+{
+   EVAS_MODULE_API_VERSION,
+   "software_ddraw",
+   "none",
+   {
+     module_open,
+     module_close
+   }
+};
+
+EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, software_ddraw);
+
+#ifndef EVAS_STATIC_BUILD_SOFTWARE_DDRAW
+EVAS_EINA_MODULE_DEFINE(engine, software_ddraw);
+#endif