WIP: optimisation: les vertex d'abord, les lignes ensuite. (1èr essai)

include/arrows.h

@@ -38,7 +38,11 @@ typedef struct arrow_t {
     GLuint z;
 };
 
-int write_one_arrow(int offset_vertex,
+int write_one_arrow_vertex (int offset_vertex,
+                    int space_X, int space_Y, int space_Z,
+                    int weight, int site, int x, int y, int z);
+
+int write_one_arrow_lines (int offset_vertex,
                     int space_X, int space_Y, int space_Z,
                     int weight, int site, int x, int y, int z);
 

include/grid.h

@@ -34,7 +34,8 @@
  *
  *  @return void
  */
-int write_space_ridges (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z);
+int write_space_ridges_vertex (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z);
+int write_space_ridges_lines (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z);
 
 /*
  *  Writes grid lines on space faces
@@ -43,5 +44,6 @@ int write_space_ridges (long offset_vertex, long offset_colors, long offset_line
  *
  *  @return void
  */
-long write_grids_on_space_faces (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style);
+long write_grids_on_space_faces_vertex (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style);
+long write_grids_on_space_faces_lines (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style);
 

src/graphics/arrows.c

@@ -110,7 +110,7 @@ static void arrows_write_basis(long offset)
 
 /******************************************************************************/
 
-int write_one_arrow(int offset_vertex,
+int write_one_arrow_vertex (int offset_vertex,
                     int space_X_int, int space_Y_int, int space_Z_int,
                     int weight, int site, int arrow_x, int arrow_y, int arrow_z)
 {
@@ -149,11 +149,6 @@ int write_one_arrow(int offset_vertex,
     graphics_write_color(0.3f, 0.3f, 0.3f);
     graphics_write_color(0.3f, 0.3f, 0.3f);
 
-    /* graphics_write_line (offset_vertex + 0, offset_vertex + 1); */
-    /* graphics_write_line (offset_vertex + 2, offset_vertex + 3); */
-    /* graphics_write_line (offset_vertex + 4, offset_vertex + 5); */
-
-
     GLfloat nuance = 0.24f;
 
     //  X - X  (EAST - WEST) axis - arrows tips  (red - green)
@@ -174,6 +169,17 @@ int write_one_arrow(int offset_vertex,
     graphics_write_color(0.0f + nuance * 2, 0.0f + nuance * 2, 1.0f - nuance);
     graphics_write_color(1.0f - nuance / 3, 1.0f - nuance / 3, 0.0f + nuance);
 
+    return 12;
+}
+
+
+int write_one_arrow_lines(int offset_vertex,
+                    int space_X_int, int space_Y_int, int space_Z_int,
+                    int weight, int site, int arrow_x, int arrow_y, int arrow_z)
+{
+    /* graphics_write_line (offset_vertex + 0, offset_vertex + 1); */
+    /* graphics_write_line (offset_vertex + 2, offset_vertex + 3); */
+    /* graphics_write_line (offset_vertex + 4, offset_vertex + 5); */
 
     switch(site){
     case EAST:   case WEST:   write_arrow_lines_east_west    (offset_vertex, weight, site); break;

src/graphics/graphics.c

@@ -675,7 +675,7 @@ void  __attribute__((optimize("no-unroll-loops"))) main_test_graphics (void)
     int rand(void);
     void srand(unsigned int seed);  //    printf ("Valeur max : %d\n", RAND_MAX);   min + rand() % (max+1 - min);
 
-    int arbitrary = 10;
+    int arbitrary = 1000;
     int space_X = 1 + rand() % arbitrary,
         space_Y = 1 + rand() % arbitrary,
         space_Z = 1 + rand() % arbitrary;
@@ -699,14 +699,22 @@ void  __attribute__((optimize("no-unroll-loops"))) main_test_graphics (void)
 
     print_user_choices(arrows, arrows_nb, space_X, space_Y, space_Z, print_arrows_data, show_space_design);
 
-    /* DATA ARE NOW ALL SPECIFIED    -    DRAWING CAN START */
+    /*      D A T A   A R E   N O W   A L L   S P E C I F I E D      */
+
+    /*            D R A W I N G    C A N   S T A R T                 */
+
+    /*---------------------------------------------------------------*/
+
+    /*                 V E R T E X    F I R S T                      */
 
     int offset_vertex = 0, offset_colors = 0, offset_lines = 0;
 
-    offset_vertex += write_space_ridges (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z);
+    /*   S P A C E    */
+
+    offset_vertex += write_space_ridges_vertex (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z);
     offset_colors = offset_vertex;
 
-    offset_vertex += write_grids_on_space_faces (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z, show_space_design);
+    offset_vertex += write_grids_on_space_faces_vertex (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z, show_space_design);
     offset_colors = offset_vertex;
 
     /*   A R R O W S   */
@@ -718,12 +726,38 @@ void  __attribute__((optimize("no-unroll-loops"))) main_test_graphics (void)
         y    = arrows[i].y;
         z    = arrows[i].z;
 
-        offset_vertex += write_one_arrow(offset_vertex,
+        offset_vertex += write_one_arrow_vertex(offset_vertex,
                                         space_X, space_Y, space_Z,
                                         load, site, x, y, z);
         offset_colors = offset_vertex;
     }
 
+
+    /*---------------------------------------------------------------*/
+
+    /*                 L I N E S    S E C O N D                      */
+
+    offset_vertex = 0; offset_colors = 0; offset_lines = 0;
+
+    /*   S P A C E    */
+
+    offset_vertex += write_space_ridges_lines (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z);
+
+    offset_vertex += write_grids_on_space_faces_lines (offset_vertex, offset_colors, offset_lines, space_X, space_Y, space_Z, show_space_design);
+
+    /*  A R R O W S  */
+
+    for (int i = 0; i < arrows_nb; i++) {
+        load = arrows[i].load;
+        site = arrows[i].site;
+        x    = arrows[i].x;
+        y    = arrows[i].y;
+        z    = arrows[i].z;
+
+        offset_vertex += write_one_arrow_lines (offset_vertex, space_X, space_Y, space_Z,
+                               load, site, x, y, z);
+    }
+
 // ? free (space) TODO
     free(arrows);
     arrows = NULL;

src/graphics/grid.c

@@ -25,7 +25,7 @@
 #include "../../include/base.h"
 #include "../../include/graphics.h"
 
-int write_space_ridges (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z)
+int write_space_ridges_vertex (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z)
 {
     float max = fmax(x, y);  max = fmax(max, z);
     graphics_write_vertex (offset_vertex - x / max, offset_vertex - y / max, - z / max);
@@ -49,6 +49,11 @@ int write_space_ridges (long offset_vertex, long offset_colors, long offset_line
     graphics_write_color (0.9f, 0.2f, 0.1f);
     graphics_write_color (0.9f, 0.2f, 0.1f);
 
+    return 8;
+}
+
+int write_space_ridges_lines (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z)
+{
     graphics_write_line ( 0,  1);    graphics_write_line ( 7,  4);
     graphics_write_line ( 0,  2);    graphics_write_line ( 7,  5);
     graphics_write_line ( 0,  3);    graphics_write_line ( 7,  6);
@@ -60,7 +65,7 @@ int write_space_ridges (long offset_vertex, long offset_colors, long offset_line
     return 8;
 }
 
-long write_grids_on_space_faces (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style)
+long write_grids_on_space_faces_vertex (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style)
 {
     float i, max = fmax(x, y); max = fmax(max, z);
 
@@ -77,19 +82,8 @@ long write_grids_on_space_faces (long offset_vertex, long offset_colors, long of
         graphics_write_color (0.5f, 0.5f, 0.5f);
     }
 
-    for (i = 0; i < x - 1; i ++) {
-
-        if (style)
-            graphics_write_line (offset_vertex + i * 4 + 0,  offset_vertex + i * 4 + 1);
-        graphics_write_line (offset_vertex + i * 4 + 1,  offset_vertex + i * 4 + 2);
-        graphics_write_line (offset_vertex + i * 4 + 2,  offset_vertex + i * 4 + 3);
-        if (style)
-            graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
-    }
-
     offset_vertex += (x - 1) * 4;
     offset_colors += (x - 1) * 4;
-    if (style) offset_lines += (x - 1) * 2; else offset_lines += (x - 1) * 4;
 
     for (i = 1; i < y; i++) {    //  (y - 2) * 4
 
@@ -104,19 +98,8 @@ long write_grids_on_space_faces (long offset_vertex, long offset_colors, long of
         graphics_write_color (0.5f, 0.5f, 0.5f);
     }
 
-    for (i = 0; i < y - 1; i ++) {
-
-        if (style)
-            graphics_write_line (offset_vertex + i * 4 + 0,  offset_vertex + i * 4 + 1);
-        if (style)
-            graphics_write_line (offset_vertex + i * 4 + 1,  offset_vertex + i * 4 + 2);
-        graphics_write_line (offset_vertex + i * 4 + 2,  offset_vertex + i * 4 + 3);
-        graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
-    }
-
     offset_vertex += (y - 1) * 4;
     offset_colors += (y - 1) * 4;
-    if (style) offset_lines += (y - 1) * 2; else offset_lines += (y - 1) * 4;
 
     for (i = 1; i < z; i++) {    //  (z - 2) * 4
 
@@ -131,6 +114,38 @@ long write_grids_on_space_faces (long offset_vertex, long offset_colors, long of
         graphics_write_color (0.5f, 0.5f, 0.5f);
     }
 
+    return (x + y + z - 3) * 4;
+}
+
+
+long write_grids_on_space_faces_lines (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style)
+{
+    float i, max = fmax(x, y); max = fmax(max, z);
+
+    for (i = 0; i < x - 1; i ++) {
+
+        if (style)
+            graphics_write_line (offset_vertex + i * 4 + 0,  offset_vertex + i * 4 + 1);
+        graphics_write_line (offset_vertex + i * 4 + 1,  offset_vertex + i * 4 + 2);
+        graphics_write_line (offset_vertex + i * 4 + 2,  offset_vertex + i * 4 + 3);
+        if (style)
+            graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
+    }
+
+    /* if (style) offset_lines += (x - 1) * 2; else offset_lines += (x - 1) * 4; */
+
+    for (i = 0; i < y - 1; i ++) {
+
+        if (style)
+            graphics_write_line (offset_vertex + i * 4 + 0,  offset_vertex + i * 4 + 1);
+        if (style)
+            graphics_write_line (offset_vertex + i * 4 + 1,  offset_vertex + i * 4 + 2);
+        graphics_write_line (offset_vertex + i * 4 + 2,  offset_vertex + i * 4 + 3);
+        graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
+    }
+
+    /* if (style) offset_lines += (y - 1) * 2; else offset_lines += (y - 1) * 4; */
+
     for (i = 0; i < z - 1; i ++) {
 
         graphics_write_line (offset_vertex + i * 4 + 0,  offset_vertex + i * 4 + 1);
@@ -141,6 +156,8 @@ long write_grids_on_space_faces (long offset_vertex, long offset_colors, long of
         graphics_write_line (offset_vertex + i * 4 + 3,  offset_vertex + i * 4 + 0);
     }
 
+    printf("write_grids_on_space_faces_lines\n");
+
     return (x + y + z - 3) * 4;
     /* if (style)  offset_lines += 2 * (space_X + space_Y + space_Z - 3); */
     /* else        offset_lines += 4 * (space_X + space_Y + space_Z - 3); */