forked from enlightenment/efl
617 lines
14 KiB
C
617 lines
14 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_Software_16_DDraw.h"
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#include "evas_common_soft16.h"
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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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HWND window;
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LPDIRECTDRAW object;
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LPDIRECTDRAWSURFACE surface_primary;
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LPDIRECTDRAWSURFACE surface_back;
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LPDIRECTDRAWSURFACE surface_source;
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int width;
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int height;
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int rotation;
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Tilebuf *tb;
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Tilebuf_Rect *rects;
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Tilebuf_Rect *cur_rect;
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DDraw_Output_Buffer *ddob;
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Soft16_Image *tmp_out; /* used by indirect render, like rotation */
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HRGN clip_rects;
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unsigned char end : 1;
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};
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/* prototypes we will use here */
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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 void 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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/* 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_Software_16_DDraw *info;
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info = calloc(1, sizeof(Evas_Engine_Info_Software_16_DDraw));
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if (!info) return NULL;
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info->magic.magic = rand();
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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, void *info)
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{
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Evas_Engine_Info_Software_16_DDraw *in;
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in = (Evas_Engine_Info_Software_16_DDraw *)info;
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free(in);
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}
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static void
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_tmp_out_free(Soft16_Image *tmp_out)
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{
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free(tmp_out->pixels);
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free(tmp_out);
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}
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static void
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_tmp_out_alloc(Render_Engine *re)
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{
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Tilebuf_Rect *r;
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int w = 0, h = 0;
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EINA_INLIST_ITER_NEXT(re->rects, r)
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{
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if (r->w > w) w = r->w;
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if (r->h > h) h = r->h;
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}
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if (re->tmp_out)
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{
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if ((re->tmp_out->w < w) || (re->tmp_out->h < h))
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{
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_tmp_out_free(re->tmp_out);
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re->tmp_out = NULL;
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}
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}
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if (!re->tmp_out)
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{
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Soft16_Image *im;
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im = calloc(1, sizeof(Soft16_Image));
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im->w = w;
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im->h = h;
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im->stride = w + ((w % 4) ? (4 - (w % 4)) : 0);
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im->have_alpha = 0;
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im->references = 1;
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im->free_pixels = 1;
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im->pixels = malloc(h * im->stride * sizeof(DATA16));
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re->tmp_out = im;
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}
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}
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static void
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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_Software_16_DDraw *info;
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info = (Evas_Engine_Info_Software_16_DDraw *)in;
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if (!e->engine.data.output)
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{
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/* the only check - simplistic, i know, but enough for this
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* "special purpose" engine. Remember it is meant to be used
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* for limited power devices that have a 16bit display mode
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* and no real other acceleration, and high resolution so we
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* can pre-dither into 16bpp. */
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if (info->info.depth != 16)
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return;
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/* do common routine init - we wil at least use it for core
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* image loading and font loading/glyph rendering & placement */
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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_common_soft16_image_init();
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/* render engine specific data */
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re = calloc(1, sizeof(Render_Engine));
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if (!re)
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return;
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e->engine.data.output = re;
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re->window = info->info.window;
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re->object = info->info.object;
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re->surface_primary = info->info.surface_primary;
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re->surface_back = info->info.surface_back;
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re->surface_source = info->info.surface_source;
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re->width = e->output.w;
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re->height = e->output.h;
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re->rotation = info->info.rotation;
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re->tb = evas_common_tilebuf_new(e->output.w, e->output.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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else
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{
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/* we changed the info after first init - do a re-eval where
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* appropriate */
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if (info->info.depth != 16)
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return;
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re = e->engine.data.output;
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if (re->tb) evas_common_tilebuf_free(re->tb);
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re->window = info->info.window;
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re->object = info->info.object;
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re->surface_primary = info->info.surface_primary;
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re->surface_back = info->info.surface_back;
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re->surface_source = info->info.surface_source;
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re->width = e->output.w;
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re->height = e->output.h;
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re->rotation = info->info.rotation;
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re->tb = evas_common_tilebuf_new(e->output.w, e->output.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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if (re->tmp_out)
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{
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_tmp_out_free(re->tmp_out);
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re->tmp_out = NULL;
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}
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}
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if (!e->engine.data.output) return;
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/* add a draw context if we dont have one */
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if (!e->engine.data.context)
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e->engine.data.context =
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e->engine.func->context_new(e->engine.data.output);
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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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if (re->ddob) evas_software_ddraw_output_buffer_free(re->ddob, 0);
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if (re->clip_rects) DeleteObject(re->clip_rects);
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if (re->tb) 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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if (re->tmp_out) _tmp_out_free(re->tmp_out);
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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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evas_common_soft16_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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if ((re->width == w) && (re->height == h)) return;
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if (re->ddob)
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evas_software_ddraw_surface_resize(re->ddob);
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evas_common_tilebuf_free(re->tb);
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re->width = w;
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re->height = h;
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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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if (re->ddob)
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{
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evas_software_ddraw_output_buffer_free(re->ddob, 0);
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re->ddob = NULL;
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}
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if (re->clip_rects)
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{
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DeleteObject(re->clip_rects);
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re->clip_rects = NULL;
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}
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if (re->tmp_out)
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{
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_tmp_out_free(re->tmp_out);
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re->tmp_out = NULL;
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}
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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 inline void
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_output_buffer_alloc(Render_Engine *re)
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{
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int width;
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int height;
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if (re->ddob) return;
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if ((re->rotation == 0) || (re->rotation == 180))
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{
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width = re->width;
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height = re->height;
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}
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else
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{
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width = re->height;
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height = re->width;
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}
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re->ddob = evas_software_ddraw_output_buffer_new(re->window,
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re->object,
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re->surface_primary,
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re->surface_back,
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re->surface_source,
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width,
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height);
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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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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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if (!re->rects) return NULL;
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re->cur_rect = re->rects;
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_output_buffer_alloc(re);
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if (re->rotation != 0) _tmp_out_alloc(re); /* grows if required */
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}
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if (!re->cur_rect)
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{
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if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
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re->rects = NULL;
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return NULL;
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}
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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 = (Tilebuf_Rect *)((EINA_INLIST_GET(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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*x = ux; *y = uy; *w = uw; *h = uh;
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if (re->rotation == 0)
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{
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*cx = ux; *cy = uy; *cw = uw; *ch = uh;
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return &re->ddob->im;
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}
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else
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{
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*cx = 0; *cy = 0; *cw = uw; *ch = uh;
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return re->tmp_out;
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}
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}
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static void
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_blit_rot_90(Soft16_Image *dst, const Soft16_Image *src,
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int out_x, int out_y, int w, int h)
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{
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DATA16 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + (out_x +
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(w + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA16 *dp_itr, *sp_itr;
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sp_itr = sp;
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dp_itr = dp;
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for (x = 0; x < w; x++)
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{
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*dp_itr = *sp_itr;
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sp_itr++;
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dp_itr -= dst->stride;
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}
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sp += src->stride;
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dp++;
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}
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}
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static void
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_blit_rot_180(Soft16_Image *dst, const Soft16_Image *src,
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int out_x, int out_y, int w, int h)
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{
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DATA16 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + ((w + out_x - 1) +
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(h + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA16 *dp_itr, *sp_itr;
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sp_itr = sp;
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dp_itr = dp;
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for (x = 0; x < w; x++)
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{
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*dp_itr = *sp_itr;
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sp_itr++;
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dp_itr--;
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}
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sp += src->stride;
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dp -= dst->stride;
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}
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}
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static void
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_blit_rot_270(Soft16_Image *dst, const Soft16_Image *src,
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int out_x, int out_y, int w, int h)
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{
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DATA16 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + ((h + out_x - 1) +
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out_y * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA16 *dp_itr, *sp_itr;
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sp_itr = sp;
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dp_itr = dp;
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for (x = 0; x < w; x++)
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{
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*dp_itr = *sp_itr;
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sp_itr++;
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dp_itr += dst->stride;
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}
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sp += src->stride;
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dp--;
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}
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}
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static void
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_tmp_out_process(Render_Engine *re, int out_x, int out_y, int w, int h)
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{
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Soft16_Image *d, *s;
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d = &re->ddob->im;
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s = re->tmp_out;
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if ((w < 1) || (h < 1) || (out_x >= d->w) || (out_y >= d->h))
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return;
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if (re->rotation == 90)
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_blit_rot_90(d, s, out_x, out_y, w, h);
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else if (re->rotation == 180)
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_blit_rot_180(d, s, out_x, out_y, w, h);
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else if (re->rotation == 270)
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_blit_rot_270(d, s, out_x, out_y, w, h);
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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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HRGN region;
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int xx;
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int yy;
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int width;
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int height;
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re = (Render_Engine *)data;
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if (!re->clip_rects)
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re->clip_rects = CreateRectRgn(0, 0, 0, 0);
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if (re->rotation == 0)
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{
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xx = x;
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yy = y;
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width = w;
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height = h;
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}
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else if (re->rotation == 90)
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{
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xx = y;
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yy = re->width - w - x;
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width = h;
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height = w;
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}
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else if (re->rotation == 180)
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{
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xx = re->width - w - x;
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yy = re->height - h - y;
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width = w;
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height = h;
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}
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else if (re->rotation == 270)
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{
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xx = re->height - h - y;
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yy = x;
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width = h;
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height = w;
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}
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region = CreateRectRgn(xx, yy, xx + width, yy + height);
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if (re->rotation != 0)
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_tmp_out_process(re, xx, yy, w, h);
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CombineRgn(re->clip_rects, re->clip_rects, region, RGN_OR);
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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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void *ddraw_data;
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int ddraw_width;
|
|
int ddraw_height;
|
|
int ddraw_pitch;
|
|
int ddraw_depth;
|
|
|
|
re = (Render_Engine *)data;
|
|
if (re->clip_rects)
|
|
{
|
|
/* FIXME : i have to manage that */
|
|
/* XSetRegion(re->disp, re->gc, re->clip_rects); */
|
|
DeleteObject(re->clip_rects);
|
|
re->clip_rects = NULL;
|
|
}
|
|
else return;
|
|
|
|
evas_software_ddraw_output_buffer_paste(re->ddob);
|
|
|
|
/* FIXME : i have to manage that */
|
|
/* XSetClipMask(re->disp, re->gc, None); */
|
|
}
|
|
|
|
static void
|
|
eng_output_idle_flush(void *data)
|
|
{
|
|
Render_Engine *re;
|
|
|
|
re = (Render_Engine *)data;
|
|
if (re->ddob)
|
|
{
|
|
evas_software_ddraw_output_buffer_free(re->ddob, 0);
|
|
re->ddob = NULL;
|
|
}
|
|
if (re->clip_rects)
|
|
{
|
|
DeleteObject(re->clip_rects);
|
|
re->clip_rects = NULL;
|
|
}
|
|
if (re->tmp_out)
|
|
{
|
|
_tmp_out_free(re->tmp_out);
|
|
re->tmp_out = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/* module advertising code */
|
|
EAPI int
|
|
module_open(Evas_Module *em)
|
|
{
|
|
if (!em) return 0;
|
|
/* get whatever engine module we inherit from */
|
|
if (!_evas_module_engine_inherit(&pfunc, "software_16")) 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(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;
|
|
}
|
|
|
|
EAPI void
|
|
module_close(void)
|
|
{
|
|
}
|
|
|
|
EAPI Evas_Module_Api evas_modapi =
|
|
{
|
|
EVAS_MODULE_API_VERSION,
|
|
EVAS_MODULE_TYPE_ENGINE,
|
|
"software_16_ddraw",
|
|
"none"
|
|
};
|