[Qemu-devel] [RFC 05/14] vga: Remove unused vga_draw_line24() and vga_draw_line32()

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

24 and 32bpp surfaces are always shared, we never "draw" them anymore

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 hw/display/vga.c          | 29 +++++++++++-------------
 hw/display/vga_template.h | 56 -----------------------------------------------
 2 files changed, 13 insertions(+), 72 deletions(-)

diff --git a/hw/display/vga.c b/hw/display/vga.c
index b46e42d..e98f7da 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1344,8 +1344,6 @@ enum {
     VGA_DRAW_LINE8,
     VGA_DRAW_LINE15,
     VGA_DRAW_LINE16,
-    VGA_DRAW_LINE24,
-    VGA_DRAW_LINE32,
     VGA_DRAW_LINE_NB,
 };
 
@@ -1358,8 +1356,6 @@ static vga_draw_line_func * const vga_draw_line_table[VGA_DRAW_LINE_NB] = {
     vga_draw_line8,
     vga_draw_line15,
     vga_draw_line16,
-    vga_draw_line24,
-    vga_draw_line32,
 };
 
 static int vga_get_bpp(VGACommonState *s)
@@ -1431,7 +1427,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
     int disp_width, multi_scan, multi_run;
     uint8_t *d;
     uint32_t v, addr1, addr;
-    vga_draw_line_func *vga_draw_line;
+    vga_draw_line_func *vga_draw_line = NULL;
 #if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
     static const bool byteswap = false;
 #else
@@ -1528,7 +1524,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
         }
         bits = 4;
     } else {
-        switch(s->get_bpp(s)) {
+        switch(depth) {
         default:
         case 0:
             full_update |= update_palette256(s);
@@ -1549,19 +1545,20 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
             bits = 16;
             break;
         case 24:
-            v = VGA_DRAW_LINE24;
-            bits = 24;
-            break;
         case 32:
-            v = VGA_DRAW_LINE32;
-            bits = 32;
-            break;
+            if (!is_buffer_shared(surface)) {
+                fprintf(stderr,
+                        "vga: Non-shared surface at %dbpp unsupported !\n", depth);
+                return;
+            }
+            bits = depth;
         }
     }
-    vga_draw_line = vga_draw_line_table[v];
-
-    if (!is_buffer_shared(surface) && s->cursor_invalidate) {
-        s->cursor_invalidate(s);
+    if (!is_buffer_shared(surface)) {
+        vga_draw_line = vga_draw_line_table[v];
+        if (s->cursor_invalidate) {
+            s->cursor_invalidate(s);
+        }
     }
 
     line_offset = s->line_offset;
diff --git a/hw/display/vga_template.h b/hw/display/vga_template.h
index 41fc764..e7cd9e0 100644
--- a/hw/display/vga_template.h
+++ b/hw/display/vga_template.h
@@ -323,59 +323,3 @@ static void vga_draw_line16(VGACommonState *s1, uint8_t *d,
     } while (--w != 0);
 }
 
-/*
- * 24 bit color
- */
-static void vga_draw_line24(VGACommonState *s1, uint8_t *d,
-                            const uint8_t *s, int width)
-{
-    int w;
-    uint32_t r, g, b;
-
-    w = width;
-    do {
-#if defined(TARGET_WORDS_BIGENDIAN)
-        r = s[0];
-        g = s[1];
-        b = s[2];
-#else
-        b = s[0];
-        g = s[1];
-        r = s[2];
-#endif
-        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
-        s += 3;
-        d += 4;
-    } while (--w != 0);
-}
-
-/*
- * 32 bit color
- */
-static void vga_draw_line32(VGACommonState *s1, uint8_t *d,
-                            const uint8_t *s, int width)
-{
-#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
-    memcpy(d, s, width * 4);
-#else
-    int w;
-    uint32_t r, g, b;
-
-    w = width;
-    do {
-#if defined(TARGET_WORDS_BIGENDIAN)
-        r = s[1];
-        g = s[2];
-        b = s[3];
-#else
-        b = s[0];
-        g = s[1];
-        r = s[2];
-#endif
-        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
-        s += 4;
-        d += 4;
-    } while (--w != 0);
-#endif
-}
-
-- 
1.9.1