graphics.diff

From 06fa01734bd172b750d4e3472932cb884f962661 Mon Sep 17 00:00:00 2001
From: Rutvik Rajagopal <[email protected]>
Date: Sun, 10 Aug 2014 23:09:06 +0530
Subject: [PATCH] fix fr galaxy grand neo recovery

Change-Id: If1ca4101962a5bd94f2b3b565f05e71200730ba9
---
 minui/graphics.c | 45 ++++++++++++++++++++++-----------------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/minui/graphics.c b/minui/graphics.c
index a578f69..ebe6d24 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -278,32 +278,31 @@ static void set_active_framebuffer(unsigned n)
 
 void gr_flip(void)
 {
-    if (has_overlay) {
-        // Allocate overly. It'll exit early if overlay already
-        // allocated and allocate it if not already allocated.
-        allocate_overlay(gr_fb_fd, gr_framebuffer);
-        if (overlay_display_frame(gr_fb_fd,gr_mem_surface.data,
-                                     (fi.line_length * vi.yres)) < 0) {
-            // Free overlay in failure case
-            free_overlay(gr_fb_fd);
-        }
-    } else {
-        GGLContext *gl = gr_context;
-
-        /* swap front and back buffers */
-        if (double_buffering)
-            gr_active_fb = (gr_active_fb + 1) & 1;
-
-        /* copy data from the in-memory surface to the buffer we're about
-         * to make active. */
-        memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
-               fi.line_length * vi.yres);
+GGLContext *gl = gr_context;
+
+#ifdef BOARD_HAS_FLIPPED_SCREEN
+/* flip buffer 180 degrees for devices with physicaly inverted screens */
+unsigned int i;
+unsigned int j;
+uint8_t tmp;
+for (i = 0; i < ((vi.xres_virtual * vi.yres)/2); i++) {
+for (j = 0; j < PIXEL_SIZE; j++) {
+tmp = gr_mem_surface.data[i * PIXEL_SIZE + j];
+gr_mem_surface.data[i * PIXEL_SIZE + j] = gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j];
+gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j] = tmp;
+}
+}
+#endif
+/* copy data from the in-memory surface to the buffer we're about
+* to make active. */
+memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
+fi.line_length * vi.yres);
 
-        /* inform the display driver */
-        set_active_framebuffer(gr_active_fb);
-    }
+/* inform the display driver */
+set_active_framebuffer(gr_active_fb);
 }
 
+
 void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
 {
     GGLContext *gl = gr_context;
-- 
1.9.1