devilhorns pushed a commit to branch master.
commit a67894a5a71ea3ca4c90f3249e0a445f9bc1b2be
Author: Chris Michael <[email protected]>
Date: Tue Apr 30 07:09:16 2013 +0100
Add Render_Engine structure
Start on code to setup the output buffer.
Add code to init evas_common functions
Add override for engine setup.
Signed-off-by: Chris Michael <[email protected]>
---
src/modules/evas/engines/drm/evas_engine.c | 121 +++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)
diff --git a/src/modules/evas/engines/drm/evas_engine.c
b/src/modules/evas/engines/drm/evas_engine.c
index a3fa93e..9bff302 100644
--- a/src/modules/evas/engines/drm/evas_engine.c
+++ b/src/modules/evas/engines/drm/evas_engine.c
@@ -3,12 +3,65 @@
#include "Evas_Engine_Drm.h"
#include "evas_engine.h"
+/* local structures */
+typedef struct _Render_Engine Render_Engine;
+
+struct _Render_Engine
+{
+ Evas_Engine_Info_Drm *info;
+
+ Tilebuf *tb;
+ Tilebuf_Rect *rects;
+ Tilebuf_Rect *prev_rects[3];
+
+ Outbuf *ob;
+
+ Eina_Inlist *cur_rect;
+
+ Eina_Bool end : 1;
+};
+
+/* local function prototypes */
+static void *_output_setup(int w, int h, unsigned int rotation, unsigned int
depth, Eina_Bool alpha, int swap);
+
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;
/* external variables */
int _evas_engine_drm_log_dom;
+/* local functions */
+static void *
+_output_setup(int w, int h, unsigned int rotation, unsigned int depth,
Eina_Bool alpha, int swap)
+{
+ Render_Engine *re;
+
+ /* try to allocate space for our render engine structure */
+ if (!(re = calloc(1, sizeof(Render_Engine))))
+ return NULL;
+
+ /* try to create a new tilebuffer */
+ if (!(re->tb = evas_common_tilebuf_new(w, h)))
+ {
+ free(re);
+ return NULL;
+ }
+
+ /* set tilesize */
+ evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
+
+ if (swap)
+ {
+ /* free any existing outbuf */
+ if (re->ob) evas_outbuf_free(re->ob);
+
+ /* try to create new outbuf */
+ }
+
+ /* return the allocated render_engine structure */
+ return re;
+}
+
/* engine api functions */
static void *
eng_info(Evas *evas EINA_UNUSED)
@@ -36,6 +89,73 @@ eng_info_free(Evas *evas EINA_UNUSED, void *einfo)
free(info);
}
+static int
+eng_setup(Evas *evas, void *einfo)
+{
+ Evas_Engine_Info_Drm *info;
+ Evas_Public_Data *epd;
+ Render_Engine *re;
+
+ /* try to cast to our engine info structure */
+ if (!(info = (Evas_Engine_Info_Drm *)einfo)) return 0;
+
+ /* try to get the evas public data */
+ if (!(epd = eo_data_get(evas, EVAS_CLASS))) return 0;
+
+ /* check for valid engine output */
+ if (!(re = epd->engine.data.output))
+ {
+ static int swap = -1;
+
+ /* NB: If we have no valid output then assume we have not been
+ * initialized yet and call any needed common init routines */
+ 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();
+
+ /* check if swapping is disabled */
+ if (swap == -1)
+ {
+ if (getenv("EVAS_DRM_NO_SWAP")) swap = 0;
+ else swap = 1;
+ }
+
+ /* try to create a new render_engine */
+ if (!(re = _output_setup(epd->output.w, epd->output.h,
+ info->info.rotation, info->info.depth,
+ info->info.destination_alpha, swap)))
+ return 0;
+
+ re->info = info;
+ }
+ else
+ {
+
+ }
+
+ /* reassign engine output */
+ epd->engine.data.output = re;
+ if (!epd->engine.data.output) return 0;
+
+ /* check for valid engine context */
+ if (!epd->engine.data.context)
+ {
+ /* create a context if needed */
+ epd->engine.data.context =
+ epd->engine.func->context_new(epd->engine.data.output);
+ }
+
+ return 1;
+}
+
/* module api functions */
static int
module_open(Evas_Module *em)
@@ -63,6 +183,7 @@ module_open(Evas_Module *em)
/* override the methods we provide */
EVAS_API_OVERRIDE(info, &func, eng_);
EVAS_API_OVERRIDE(info_free, &func, eng_);
+ EVAS_API_OVERRIDE(setup, &func, eng_);
/* advertise our engine functions */
em->functions = (void *)(&func);
--
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