Changeset 18135 in vbox for trunk/include/VBox
- Timestamp:
- Mar 23, 2009 12:59:11 PM (16 years ago)
- File:
-
- 1 edited
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trunk/include/VBox/VBoxVideo.h
r17705 r18135 34 34 #include <iprt/types.h> 35 35 36 /* 36 /* 37 37 * The last 4096 bytes of the guest VRAM contains the generic info for all 38 38 * DualView chunks: sizes and offsets of chunks. This is filled by miniport. … … 41 41 * etc. This is used exclusively by the corresponding instance of a display driver. 42 42 * 43 * The VRAM layout: 43 * The VRAM layout: 44 44 * Last 4096 bytes - Adapter information area. 45 45 * 4096 bytes aligned miniport heap (value specified in the config rouded up). … … 69 69 * VBE_DISPI_INDEX_VBOX_VIDEO is used to read the configuration information 70 70 * from the host and issue commands to the host. 71 * 71 * 72 72 * The guest writes the VBE_DISPI_INDEX_VBOX_VIDEO index register, the the 73 73 * following operations with the VBE data register can be performed: 74 * 74 * 75 75 * Operation Result 76 76 * write 16 bit value NOP … … 93 93 * The minimum HGSMI heap size is PAGE_SIZE (4096 bytes) and is a restriction of the 94 94 * runtime heapsimple API. Use minimum 2 pages here, because the info area also may 95 * contain other data (for example HGSMIHOSTFLAGS structure). 96 */ 97 #define VBVA_ADAPTER_INFORMATION_SIZE 8*_1K98 #define VBVA_DISPLAY_INFORMATION_SIZE 8*_1K99 #define VBVA_MIN_BUFFER_SIZE 64*_1K95 * contain other data (for example HGSMIHOSTFLAGS structure). 96 */ 97 #define VBVA_ADAPTER_INFORMATION_SIZE (8*_1K) 98 #define VBVA_DISPLAY_INFORMATION_SIZE (8*_1K) 99 #define VBVA_MIN_BUFFER_SIZE (64*_1K) 100 100 #endif /* VBOX_WITH_HGSMI */ 101 101 … … 108 108 109 109 /* The value for port IO to let the adapter to interpret the display memory. 110 * The display number is encoded in low 16 bits. 110 * The display number is encoded in low 16 bits. 111 111 */ 112 112 #define VBOX_VIDEO_INTERPRET_DISPLAY_MEMORY_BASE 0x00010000
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