[Qemu-devel] [PATCH v4] blizzard: Remove support for DEPTH != 32

[Pooja Dhannawat <dhannawatpooja1@gmail.com>]

Removing support for DEPTH != 32 from blizzard template header
and file that includes it, as macro DEPTH == 32 only used.

Signed-off-by: Pooja Dhannawat <dhannawatpooja1@gmail.com>
---
 hw/display/blizzard.c          | 41 ++++-------------------------------------
 hw/display/blizzard_template.h | 30 +-----------------------------
 2 files changed, 5 insertions(+), 66 deletions(-)

diff --git a/hw/display/blizzard.c b/hw/display/blizzard.c
index c231960..5684e49 100644
--- a/hw/display/blizzard.c
+++ b/hw/display/blizzard.c
@@ -925,14 +925,6 @@ static void blizzard_update_display(void *opaque)
     s->my[1] = 0;
 }
 
-#define DEPTH 8
-#include "blizzard_template.h"
-#define DEPTH 15
-#include "blizzard_template.h"
-#define DEPTH 16
-#include "blizzard_template.h"
-#define DEPTH 24
-#include "blizzard_template.h"
 #define DEPTH 32
 #include "blizzard_template.h"
 
@@ -951,35 +943,10 @@ void *s1d13745_init(qemu_irq gpio_int)
     s->con = graphic_console_init(NULL, 0, &blizzard_ops, s);
     surface = qemu_console_surface(s->con);
 
-    switch (surface_bits_per_pixel(surface)) {
-    case 0:
-        s->line_fn_tab[0] = s->line_fn_tab[1] =
-                g_malloc0(sizeof(blizzard_fn_t) * 0x10);
-        break;
-    case 8:
-        s->line_fn_tab[0] = blizzard_draw_fn_8;
-        s->line_fn_tab[1] = blizzard_draw_fn_r_8;
-        break;
-    case 15:
-        s->line_fn_tab[0] = blizzard_draw_fn_15;
-        s->line_fn_tab[1] = blizzard_draw_fn_r_15;
-        break;
-    case 16:
-        s->line_fn_tab[0] = blizzard_draw_fn_16;
-        s->line_fn_tab[1] = blizzard_draw_fn_r_16;
-        break;
-    case 24:
-        s->line_fn_tab[0] = blizzard_draw_fn_24;
-        s->line_fn_tab[1] = blizzard_draw_fn_r_24;
-        break;
-    case 32:
-        s->line_fn_tab[0] = blizzard_draw_fn_32;
-        s->line_fn_tab[1] = blizzard_draw_fn_r_32;
-        break;
-    default:
-        fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
-        exit(1);
-    }
+    assert(surface_bits_per_pixel(surface) == 32)
+
+    s->line_fn_tab[0] = blizzard_draw_fn_32;
+    s->line_fn_tab[1] = blizzard_draw_fn_r_32;
 
     blizzard_reset(s);
 
diff --git a/hw/display/blizzard_template.h b/hw/display/blizzard_template.h
index b7ef27c..bc38d7a 100644
--- a/hw/display/blizzard_template.h
+++ b/hw/display/blizzard_template.h
@@ -19,31 +19,7 @@
  */
 
 #define SKIP_PIXEL(to)         (to += deststep)
-#if DEPTH == 8
-# define PIXEL_TYPE            uint8_t
-# define COPY_PIXEL(to, from)  do { *to = from; SKIP_PIXEL(to); } while (0)
-# define COPY_PIXEL1(to, from) (*to++ = from)
-#elif DEPTH == 15 || DEPTH == 16
-# define PIXEL_TYPE            uint16_t
-# define COPY_PIXEL(to, from)  do { *to = from; SKIP_PIXEL(to); } while (0)
-# define COPY_PIXEL1(to, from) (*to++ = from)
-#elif DEPTH == 24
-# define PIXEL_TYPE            uint8_t
-# define COPY_PIXEL(to, from) \
-    do {                      \
-        to[0] = from;         \
-        to[1] = (from) >> 8;  \
-        to[2] = (from) >> 16; \
-        SKIP_PIXEL(to);       \
-    } while (0)
-
-# define COPY_PIXEL1(to, from) \
-    do {                       \
-        *to++ = from;          \
-        *to++ = (from) >> 8;   \
-        *to++ = (from) >> 16;  \
-    } while (0)
-#elif DEPTH == 32
+#if DEPTH == 32
 # define PIXEL_TYPE            uint32_t
 # define COPY_PIXEL(to, from)  do { *to = from; SKIP_PIXEL(to); } while (0)
 # define COPY_PIXEL1(to, from) (*to++ = from)
@@ -58,9 +34,6 @@
 static void glue(blizzard_draw_line16_, DEPTH)(PIXEL_TYPE *dest,
                 const uint16_t *src, unsigned int width)
 {
-#if !defined(SWAP_WORDS) && DEPTH == 16
-    memcpy(dest, src, width);
-#else
     uint16_t data;
     unsigned int r, g, b;
     const uint16_t *end = (const void *) src + width;
@@ -74,7 +47,6 @@ static void glue(blizzard_draw_line16_, DEPTH)(PIXEL_TYPE *dest,
         data >>= 5;
         COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r, g, b));
     }
-#endif
 }
 
 static void glue(blizzard_draw_line24mode1_, DEPTH)(PIXEL_TYPE *dest,
-- 
2.5.0