blender 2.8: OpenGL immediate mode: node_draw_preview_background

[blender.git] / source / blender / editors / space_node / node_draw.c

diff --git a/source/blender/editors/space_node/node_draw.c b/source/blender/editors/space_node/node_draw.c
index c532846d1c40c277b528bb3d809e693f90519a1a..6b3349719c5cc637669e52d7a7862350047e38b6 100644 (file)
--- a/source/blender/editors/space_node/node_draw.c
+++ b/source/blender/editors/space_node/node_draw.c
@@ -638,10 +638,15 @@ static void node_draw_preview_background(float tile, rctf *rect)
 {
        float x, y;
        
+       VertexFormat *format = immVertexFormat();
+       unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT);
+
+       immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+
        /* draw checkerboard backdrop to show alpha */
-       glColor3ub(120, 120, 120);
-       glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
-       glColor3ub(160, 160, 160);
+       immUniformColor3ub(120, 120, 120);
+       immRectf(pos, rect->xmin, rect->ymin, rect->xmax, rect->ymax);
+       immUniformColor3ub(160, 160, 160);
        
        for (y = rect->ymin; y < rect->ymax; y += tile * 2) {
                for (x = rect->xmin; x < rect->xmax; x += tile * 2) {
@@ -652,7 +657,7 @@ static void node_draw_preview_background(float tile, rctf *rect)
                        if (y + tile > rect->ymax)
                                tiley = rect->ymax - y;
 
-                       glRectf(x, y, x + tilex, y + tiley);
+                       immRectf(pos, x, y, x + tilex, y + tiley);
                }
        }
        for (y = rect->ymin + tile; y < rect->ymax; y += tile * 2) {
@@ -664,9 +669,10 @@ static void node_draw_preview_background(float tile, rctf *rect)
                        if (y + tile > rect->ymax)
                                tiley = rect->ymax - y;
 
-                       glRectf(x, y, x + tilex, y + tiley);
+                       immRectf(pos, x, y, x + tilex, y + tiley);
                }
        }
+       immUnbindProgram();
 }
 
 /* not a callback */