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-rw-r--r--hw/framebuffer.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/hw/framebuffer.c b/hw/framebuffer.c
deleted file mode 100644
index 7326a98a41..0000000000
--- a/hw/framebuffer.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Framebuffer device helper routines
- *
- * Copyright (c) 2009 CodeSourcery
- * Written by Paul Brook <paul@codesourcery.com>
- *
- * This code is licensed under the GNU GPLv2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-/* TODO:
- - Do something similar for framebuffers with local ram
- - Handle rotation here instead of hacking dest_pitch
- - Use common pixel conversion routines instead of per-device drawfn
- - Remove all DisplayState knowledge from devices.
- */
-
-#include "hw/hw.h"
-#include "ui/console.h"
-#include "hw/framebuffer.h"
-
-/* Render an image from a shared memory framebuffer. */
-
-void framebuffer_update_display(
- DisplaySurface *ds,
- MemoryRegion *address_space,
- hwaddr base,
- int cols, /* Width in pixels. */
- int rows, /* Height in pixels. */
- int src_width, /* Length of source line, in bytes. */
- int dest_row_pitch, /* Bytes between adjacent horizontal output pixels. */
- int dest_col_pitch, /* Bytes between adjacent vertical output pixels. */
- int invalidate, /* nonzero to redraw the whole image. */
- drawfn fn,
- void *opaque,
- int *first_row, /* Input and output. */
- int *last_row /* Output only */)
-{
- hwaddr src_len;
- uint8_t *dest;
- uint8_t *src;
- uint8_t *src_base;
- int first, last = 0;
- int dirty;
- int i;
- ram_addr_t addr;
- MemoryRegionSection mem_section;
- MemoryRegion *mem;
-
- i = *first_row;
- *first_row = -1;
- src_len = src_width * rows;
-
- mem_section = memory_region_find(address_space, base, src_len);
- if (mem_section.size != src_len || !memory_region_is_ram(mem_section.mr)) {
- return;
- }
- mem = mem_section.mr;
- assert(mem);
- assert(mem_section.offset_within_address_space == base);
-
- memory_region_sync_dirty_bitmap(mem);
- src_base = cpu_physical_memory_map(base, &src_len, 0);
- /* If we can't map the framebuffer then bail. We could try harder,
- but it's not really worth it as dirty flag tracking will probably
- already have failed above. */
- if (!src_base)
- return;
- if (src_len != src_width * rows) {
- cpu_physical_memory_unmap(src_base, src_len, 0, 0);
- return;
- }
- src = src_base;
- dest = surface_data(ds);
- if (dest_col_pitch < 0)
- dest -= dest_col_pitch * (cols - 1);
- if (dest_row_pitch < 0) {
- dest -= dest_row_pitch * (rows - 1);
- }
- first = -1;
- addr = mem_section.offset_within_region;
-
- addr += i * src_width;
- src += i * src_width;
- dest += i * dest_row_pitch;
-
- for (; i < rows; i++) {
- dirty = memory_region_get_dirty(mem, addr, src_width,
- DIRTY_MEMORY_VGA);
- if (dirty || invalidate) {
- fn(opaque, dest, src, cols, dest_col_pitch);
- if (first == -1)
- first = i;
- last = i;
- }
- addr += src_width;
- src += src_width;
- dest += dest_row_pitch;
- }
- cpu_physical_memory_unmap(src_base, src_len, 0, 0);
- if (first < 0) {
- return;
- }
- memory_region_reset_dirty(mem, mem_section.offset_within_region, src_len,
- DIRTY_MEMORY_VGA);
- *first_row = first;
- *last_row = last;
-}