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vga: introduce VGADisplayParams

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The next patches will introduce more parameters that cause a full
refresh.  Instead of adding arguments to get_offsets and lines to
update_basic_params, do everything through a struct.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-01-09 10:47:33 +01:00
parent 937de9a981
commit f9b925fd41
3 changed files with 52 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

15
hw/display/vga_int.h
View file

@ -56,6 +56,12 @@ struct VGACommonState;
typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
typedef struct VGADisplayParams {
uint32_t line_offset;
uint32_t start_addr;
uint32_t line_compare;
} VGADisplayParams;
typedef struct VGACommonState {
MemoryRegion *legacy_address_space;
uint8_t *vram_ptr;
@ -90,10 +96,7 @@ typedef struct VGACommonState {
uint8_t palette[768];
int32_t bank_offset;
int (*get_bpp)(struct VGACommonState *s);
void (*get_offsets)(struct VGACommonState *s,
uint32_t *pline_offset,
uint32_t *pstart_addr,
uint32_t *pline_compare);
void (*get_params)(struct VGACommonState *s, VGADisplayParams *params);
void (*get_resolution)(struct VGACommonState *s,
int *pwidth,
int *pheight);
@ -111,9 +114,7 @@ typedef struct VGACommonState {
int graphic_mode;
uint8_t shift_control;
uint8_t double_scan;
uint32_t line_offset;
uint32_t line_compare;
uint32_t start_addr;
VGADisplayParams params;
uint32_t plane_updated;
uint32_t last_line_offset;
uint8_t last_cw, last_ch;