[Qemu-devel] [PATCH 2/6] vga: move Cirrus VGA template to its own file

[Blue Swirl]

Standard VGA does not use vga_draw_cursor_line_* functions.
Move the template to cirrus_vga_template.h.

Signed-off-by: Blue Swirl <address@hidden>
---
 hw/cirrus_vga.c          |    9 ++++
 hw/cirrus_vga_template.h |  102 ++++++++++++++++++++++++++++++++++++++++++++++
 hw/vga_int.h             |   13 ------
 hw/vga_template.h        |   66 -----------------------------
 4 files changed, 111 insertions(+), 79 deletions(-)
 create mode 100644 hw/cirrus_vga_template.h

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index c203080..457518b 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2164,6 +2164,15 @@ static void cirrus_cursor_invalidate(VGACommonState *s1)
     }
 }

+#define DEPTH 8
+#include "cirrus_vga_template.h"
+
+#define DEPTH 16
+#include "cirrus_vga_template.h"
+
+#define DEPTH 32
+#include "cirrus_vga_template.h"
+
 static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
 {
     CirrusVGAState *s = container_of(s1, CirrusVGAState, vga);
diff --git a/hw/cirrus_vga_template.h b/hw/cirrus_vga_template.h
new file mode 100644
index 0000000..3b28280
--- /dev/null
+++ b/hw/cirrus_vga_template.h
@@ -0,0 +1,102 @@
+/*
+ * QEMU Cirrus VGA Emulator templates
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the
"Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#if DEPTH == 8
+#define BPP 1
+#elif DEPTH == 15 || DEPTH == 16
+#define BPP 2
+#elif DEPTH == 32
+#define BPP 4
+#else
+#error unsupported depth
+#endif
+
+static void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
+                                               const uint8_t *src1,
+                                               int poffset, int w,
+                                               unsigned int color0,
+                                               unsigned int color1,
+                                               unsigned int color_xor)
+{
+    const uint8_t *plane0, *plane1;
+    int x, b0, b1;
+    uint8_t *d;
+
+    d = d1;
+    plane0 = src1;
+    plane1 = src1 + poffset;
+    for (x = 0; x < w; x++) {
+        b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
+        b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
+#if DEPTH == 8
+        switch (b0 | (b1 << 1)) {
+        case 0:
+            break;
+        case 1:
+            d[0] ^= color_xor;
+            break;
+        case 2:
+            d[0] = color0;
+            break;
+        case 3:
+            d[0] = color1;
+            break;
+        }
+#elif DEPTH == 16
+        switch (b0 | (b1 << 1)) {
+        case 0:
+            break;
+        case 1:
+            ((uint16_t *)d)[0] ^= color_xor;
+            break;
+        case 2:
+            ((uint16_t *)d)[0] = color0;
+            break;
+        case 3:
+            ((uint16_t *)d)[0] = color1;
+            break;
+        }
+#elif DEPTH == 32
+        switch (b0 | (b1 << 1)) {
+        case 0:
+            break;
+        case 1:
+            ((uint32_t *)d)[0] ^= color_xor;
+            break;
+        case 2:
+            ((uint32_t *)d)[0] = color0;
+            break;
+        case 3:
+            ((uint32_t *)d)[0] = color1;
+            break;
+        }
+#else
+#error unsupported depth
+#endif
+        d += BPP;
+    }
+}
+
+#undef DEPTH
+#undef BPP
diff --git a/hw/vga_int.h b/hw/vga_int.h
index c1e700f..f755582 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -205,19 +205,6 @@ void vga_mem_writeb(VGACommonState *s,
target_phys_addr_t addr, uint32_t val);
 void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
 int ppm_save(const char *filename, struct DisplaySurface *ds);

-void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
-                            int poffset, int w,
-                            unsigned int color0, unsigned int color1,
-                            unsigned int color_xor);
-void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
-                             int poffset, int w,
-                             unsigned int color0, unsigned int color1,
-                             unsigned int color_xor);
-void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
-                             int poffset, int w,
-                             unsigned int color0, unsigned int color1,
-                             unsigned int color_xor);
-
 int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
 void vga_init_vbe(VGACommonState *s, MemoryRegion *address_space);

diff --git a/hw/vga_template.h b/hw/vga_template.h
index 681425f..7150573 100644
--- a/hw/vga_template.h
+++ b/hw/vga_template.h
@@ -340,72 +340,6 @@ static void glue(vga_draw_line8_,
DEPTH)(VGACommonState *s1, uint8_t *d,
     }
 }

-void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
-                                        const uint8_t *src1,
-                                        int poffset, int w,
-                                        unsigned int color0,
-                                        unsigned int color1,
-                                        unsigned int color_xor)
-{
-    const uint8_t *plane0, *plane1;
-    int x, b0, b1;
-    uint8_t *d;
-
-    d = d1;
-    plane0 = src1;
-    plane1 = src1 + poffset;
-    for(x = 0; x < w; x++) {
-        b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
-        b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
-#if DEPTH == 8
-        switch(b0 | (b1 << 1)) {
-        case 0:
-            break;
-        case 1:
-            d[0] ^= color_xor;
-            break;
-        case 2:
-            d[0] = color0;
-            break;
-        case 3:
-            d[0] = color1;
-            break;
-        }
-#elif DEPTH == 16
-        switch(b0 | (b1 << 1)) {
-        case 0:
-            break;
-        case 1:
-            ((uint16_t *)d)[0] ^= color_xor;
-            break;
-        case 2:
-            ((uint16_t *)d)[0] = color0;
-            break;
-        case 3:
-            ((uint16_t *)d)[0] = color1;
-            break;
-        }
-#elif DEPTH == 32
-        switch(b0 | (b1 << 1)) {
-        case 0:
-            break;
-        case 1:
-            ((uint32_t *)d)[0] ^= color_xor;
-            break;
-        case 2:
-            ((uint32_t *)d)[0] = color0;
-            break;
-        case 3:
-            ((uint32_t *)d)[0] = color1;
-            break;
-        }
-#else
-#error unsupported depth
-#endif
-        d += BPP;
-    }
-}
-
 #endif /* DEPTH != 15 */


-- 
1.7.9.rc0

0002-vga-move-Cirrus-VGA-template-to-its-own-file.patch
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