1 files changed, 181 insertions, 0 deletions

diff --git a/libraries/evas/src/modules/engines/gl_common/evas_gl_filter.c b/libraries/evas/src/modules/engines/gl_common/evas_gl_filter.c
new file mode 100644
index 0000000..a9d18d8
--- /dev/null
+++ b/libraries/evas/src/modules/engines/gl_common/evas_gl_filter.c
@@ -0,0 +1,181 @@
+#include "evas_gl_private.h"
+
+#if 0 // filtering disabled
+void
+evas_gl_common_filter_draw(Evas_Engine_GL_Context *gc, Evas_GL_Image *im, Evas_Filter_Info *filter)
+{
+   RGBA_Draw_Context *dc;
+   GLuint prog;
+   int r,g,b,a;
+   int nomul, bgra;
+
+   dc = gc->dc;
+
+   if (dc->mul.use)
+     {
+        a = (dc->mul.col >> 24) & 0xff;
+        r = (dc->mul.col >> 16) & 0xff;
+        g = (dc->mul.col >> 8 ) & 0xff;
+        b = (dc->mul.col      ) & 0xff;
+     }
+   else
+     {
+        r = g = b = a = 255;
+     }
+
+   nomul = (a == 255 && r == 255 && g == 255 && b == 255) ? 1 : 0;
+   bgra = (gc->shared->info.bgra) ? 1 : 0;
+
+   /* FIXME: This should so be a table */
+#if 0
+   if (filter->filter == EVAS_FILTER_BLUR)
+     {
+         if (bgra)
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_blur_bgra_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_blur_bgra.prog;
+          }
+        else
+          {
+             if (a == 255 && r == 255 && g == 255 && b == 255)
+                prog = gc->shared->shader.filter_blur_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_blur.prog;
+          }
+     }
+   else
+#endif
+     if (filter->filter == EVAS_FILTER_INVERT)
+     {
+        if (bgra)
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_invert_bgra_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_invert_bgra.prog;
+          }
+        else
+          {
+             if (a == 255 && r == 255 && g == 255 && b == 255)
+                prog = gc->shared->shader.filter_invert_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_invert.prog;
+          }
+     }
+   else if (filter->filter == EVAS_FILTER_SEPIA)
+     {
+        if (bgra)
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_sepia_bgra_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_sepia_bgra.prog;
+          }
+        else
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_sepia_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_sepia.prog;
+          }
+
+     }
+   else /*if (filter->filter == EVAS_FILTER_GREYSCALE)*/
+     {
+        printf("BGRA: %s  Nomul: %s\n",bgra?"true":"false",nomul?"nomul":"mul");
+        if (bgra)
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_greyscale_bgra_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_greyscale_bgra.prog;
+          }
+        else
+          {
+             if (nomul)
+                prog = gc->shared->shader.filter_greyscale_nomul.prog;
+             else
+                prog = gc->shared->shader.filter_greyscale.prog;
+          }
+
+     }
+
+   printf("Prog: %d %d %d\n",prog,im->w,im->h);
+   gc->filter_prog = prog;
+   evas_gl_common_image_update(gc, im);
+   evas_gl_common_context_image_push(gc, im->tex, 0, 0, im->w, im->h,
+                                      0, 0, im->w, im->h,
+                                      r,g,b,a,
+                                      1, im->tex_only);
+   gc->filter_prog = 0;
+}
+
+
+Filtered_Image *
+evas_gl_common_image_filtered_get(Evas_GL_Image *im, uint8_t *key, size_t len)
+{
+   Filtered_Image *fi;
+   Eina_List *l;
+
+   for (l = im->filtered ; l ; l = l->next)
+     {
+         fi = l->data;
+         if (fi->keylen != len) continue;
+         if (memcmp(key, fi->key, len) != 0) continue;
+         fi->ref ++;
+         return fi;
+     }
+
+   return NULL;
+}
+
+Filtered_Image *
+evas_gl_common_image_filtered_save(Evas_GL_Image *im, Evas_GL_Image *fimage,
+                                   uint8_t *key, size_t keylen)
+{
+   Filtered_Image *fi;
+   Eina_List *l;
+
+   for (l = im->filtered ; l ; l = l->next)
+     {
+        fi = l->data;
+        if (fi->keylen != keylen) continue;
+        if (memcmp(key, fi->key, keylen) != 0) continue;
+
+        fi->image = (void *)fimage;
+        fi->ref ++;
+        return fi;
+     }
+
+   fi = calloc(1,sizeof(Filtered_Image));
+   if (!fi) return NULL;
+
+   fi->keylen = keylen;
+   fi->key = malloc(keylen);
+   memcpy(fi->key, key, keylen);
+   fi->image = (void *)fimage;
+   fi->ref = 1;
+
+   im->filtered = eina_list_prepend(im->filtered, fi);
+
+   return fi;
+}
+
+void
+evas_gl_common_image_filtered_free(Evas_GL_Image *image, Filtered_Image *fi)
+{
+   fi->ref --;
+   if (fi->ref) return;
+
+   free(fi->key);
+   evas_gl_common_image_free((void *)fi->image);
+   fi->image = NULL;
+
+   image->filtered = eina_list_remove(image->filtered, fi);
+}
+#endif
+
+
+/* vim:set ts=8 sw=3 sts=3 expandtab cino=>5n-2f0^-2{2(0W1st0 :*/