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https://github.com/reactos/reactos.git
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- Implementation of IOCTL_VIDEO_QUERY_CURRENT_MODE. Based on patch by Herv� Poussineau.
svn path=/trunk/; revision=9296
This commit is contained in:
Filip Navara
parent
99282d8160
commit
73812409b4
2 changed files with 105 additions and 49 deletions
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@ -442,7 +442,8 @@ VBEStartIO(
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break;
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break;
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case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
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case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
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Result = VBEUnmapVideoMemory((PVBE_DEVICE_EXTENSION)HwDeviceExtension,
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Result = VBEUnmapVideoMemory(
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(PVBE_DEVICE_EXTENSION)HwDeviceExtension,
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RequestPacket->StatusBlock);
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RequestPacket->StatusBlock);
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break;
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break;
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@ -482,6 +483,17 @@ VBEStartIO(
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break;
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break;
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case IOCTL_VIDEO_QUERY_CURRENT_MODE:
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case IOCTL_VIDEO_QUERY_CURRENT_MODE:
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VBEQueryCurrentMode(
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(PVBE_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_MODE_INFORMATION)RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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default:
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default:
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RequestPacket->StatusBlock->Status = STATUS_NOT_IMPLEMENTED;
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RequestPacket->StatusBlock->Status = STATUS_NOT_IMPLEMENTED;
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return FALSE;
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return FALSE;
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@ -651,6 +663,69 @@ VBEQueryNumAvailModes(
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return TRUE;
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return TRUE;
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}
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}
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/*
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* VBEQueryMode
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*
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* Returns information about one particular video mode.
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*/
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VOID FASTCALL
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VBEQueryMode(
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PVBE_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE_INFORMATION VideoMode,
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ULONG VideoModeId)
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{
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PVBE_MODEINFO VBEMode = &DeviceExtension->ModeInfo[VideoModeId];
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VideoMode->Length = sizeof(VIDEO_MODE_INFORMATION);
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VideoMode->ModeIndex = VideoModeId;
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VideoMode->VisScreenWidth = VBEMode->XResolution;
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VideoMode->VisScreenHeight = VBEMode->YResolution;
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VideoMode->ScreenStride = VBEMode->BytesPerScanLine;
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VideoMode->NumberOfPlanes = VBEMode->NumberOfPlanes;
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VideoMode->BitsPerPlane = VBEMode->BitsPerPixel / VBEMode->NumberOfPlanes;
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VideoMode->Frequency = 0; /* FIXME */
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VideoMode->XMillimeter = 0; /* FIXME */
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VideoMode->YMillimeter = 0; /* FIXME */
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if (VBEMode->BitsPerPixel > 8)
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{
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if (DeviceExtension->VBEVersion < 0x300)
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{
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VideoMode->NumberRedBits = VBEMode->RedMaskSize;
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VideoMode->NumberGreenBits = VBEMode->GreenMaskSize;
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VideoMode->NumberBlueBits = VBEMode->BlueMaskSize;
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VideoMode->RedMask = ((1 << VBEMode->RedMaskSize) - 1) << VBEMode->RedFieldPosition;
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VideoMode->GreenMask = ((1 << VBEMode->GreenMaskSize) - 1) << VBEMode->GreenFieldPosition;
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VideoMode->BlueMask = ((1 << VBEMode->BlueMaskSize) - 1) << VBEMode->BlueFieldPosition;
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}
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else
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{
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VideoMode->NumberRedBits = VBEMode->LinRedMaskSize;
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VideoMode->NumberGreenBits = VBEMode->LinGreenMaskSize;
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VideoMode->NumberBlueBits = VBEMode->LinBlueMaskSize;
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VideoMode->RedMask = ((1 << VBEMode->LinRedMaskSize) - 1) << VBEMode->LinRedFieldPosition;
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VideoMode->GreenMask = ((1 << VBEMode->LinGreenMaskSize) - 1) << VBEMode->LinGreenFieldPosition;
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VideoMode->BlueMask = ((1 << VBEMode->LinBlueMaskSize) - 1) << VBEMode->LinBlueFieldPosition;
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}
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}
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else
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{
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VideoMode->NumberRedBits =
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VideoMode->NumberGreenBits =
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VideoMode->NumberBlueBits = 6;
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VideoMode->RedMask =
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VideoMode->GreenMask =
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VideoMode->BlueMask = 0;
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}
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VideoMode->VideoMemoryBitmapWidth = VBEMode->XResolution;
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VideoMode->VideoMemoryBitmapHeight = VBEMode->YResolution;
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VideoMode->AttributeFlags = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR |
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VIDEO_MODE_NO_OFF_SCREEN;
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if (VideoMode->BitsPerPlane <= 8)
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VideoMode->AttributeFlags |= VIDEO_MODE_PALETTE_DRIVEN;
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VideoMode->DriverSpecificAttributeFlags = 0;
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}
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/*
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/*
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* VBEQueryAvailModes
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* VBEQueryAvailModes
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*
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*
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@ -672,54 +747,7 @@ VBEQueryAvailModes(
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CurrentModeId < DeviceExtension->ModeCount;
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CurrentModeId < DeviceExtension->ModeCount;
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CurrentModeId++, CurrentMode++, CurrentVBEMode++)
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CurrentModeId++, CurrentMode++, CurrentVBEMode++)
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{
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{
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CurrentMode->Length = sizeof(VIDEO_MODE_INFORMATION);
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VBEQueryMode(DeviceExtension, CurrentMode, CurrentModeId);
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CurrentMode->ModeIndex = CurrentModeId;
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CurrentMode->VisScreenWidth = CurrentVBEMode->XResolution;
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CurrentMode->VisScreenHeight = CurrentVBEMode->YResolution;
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CurrentMode->ScreenStride = CurrentVBEMode->BytesPerScanLine;
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CurrentMode->NumberOfPlanes = CurrentVBEMode->NumberOfPlanes;
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CurrentMode->BitsPerPlane = CurrentVBEMode->BitsPerPixel /
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CurrentVBEMode->NumberOfPlanes;
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CurrentMode->Frequency = 0; /* FIXME */
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CurrentMode->XMillimeter = 0; /* FIXME */
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CurrentMode->YMillimeter = 0; /* FIXME */
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if (CurrentVBEMode->BitsPerPixel > 8)
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{
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if (DeviceExtension->VBEVersion < 0x300)
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{
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CurrentMode->NumberRedBits = CurrentVBEMode->RedMaskSize;
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CurrentMode->NumberGreenBits = CurrentVBEMode->GreenMaskSize;
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CurrentMode->NumberBlueBits = CurrentVBEMode->BlueMaskSize;
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CurrentMode->RedMask = ((1 << CurrentVBEMode->RedMaskSize) - 1) << CurrentVBEMode->RedFieldPosition;
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CurrentMode->GreenMask = ((1 << CurrentVBEMode->GreenMaskSize) - 1) << CurrentVBEMode->GreenFieldPosition;
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CurrentMode->BlueMask = ((1 << CurrentVBEMode->BlueMaskSize) - 1) << CurrentVBEMode->BlueFieldPosition;
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}
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else
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{
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CurrentMode->NumberRedBits = CurrentVBEMode->LinRedMaskSize;
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CurrentMode->NumberGreenBits = CurrentVBEMode->LinGreenMaskSize;
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CurrentMode->NumberBlueBits = CurrentVBEMode->LinBlueMaskSize;
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CurrentMode->RedMask = ((1 << CurrentVBEMode->LinRedMaskSize) - 1) << CurrentVBEMode->LinRedFieldPosition;
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CurrentMode->GreenMask = ((1 << CurrentVBEMode->LinGreenMaskSize) - 1) << CurrentVBEMode->LinGreenFieldPosition;
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CurrentMode->BlueMask = ((1 << CurrentVBEMode->LinBlueMaskSize) - 1) << CurrentVBEMode->LinBlueFieldPosition;
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}
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}
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else
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{
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CurrentMode->NumberRedBits =
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CurrentMode->NumberGreenBits =
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CurrentMode->NumberBlueBits = 6;
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CurrentMode->RedMask =
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CurrentMode->GreenMask =
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CurrentMode->BlueMask = 0;
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}
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CurrentMode->VideoMemoryBitmapWidth = CurrentVBEMode->XResolution;
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CurrentMode->VideoMemoryBitmapHeight = CurrentVBEMode->YResolution;
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CurrentMode->AttributeFlags = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR |
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VIDEO_MODE_NO_OFF_SCREEN;
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if (CurrentMode->BitsPerPlane <= 8)
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CurrentMode->AttributeFlags |= VIDEO_MODE_PALETTE_DRIVEN;
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CurrentMode->DriverSpecificAttributeFlags = 0;
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}
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}
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StatusBlock->Information =
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StatusBlock->Information =
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@ -728,6 +756,28 @@ VBEQueryAvailModes(
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return TRUE;
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return TRUE;
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}
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}
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/*
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* VBEQueryCurrentMode
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*
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* Returns information about current video mode.
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*/
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BOOL FASTCALL
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VBEQueryCurrentMode(
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PVBE_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE_INFORMATION VideoModeInfo,
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PSTATUS_BLOCK StatusBlock)
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{
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StatusBlock->Information = sizeof(VIDEO_MODE_INFORMATION);
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VBEQueryMode(
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DeviceExtension,
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VideoModeInfo,
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DeviceExtension->CurrentMode);
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return TRUE;
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}
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/*
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/*
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* VBESetColorRegisters
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* VBESetColorRegisters
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*
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*
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@ -215,6 +215,12 @@ VBEQueryAvailModes(
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PVIDEO_MODE_INFORMATION ReturnedModes,
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PVIDEO_MODE_INFORMATION ReturnedModes,
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PSTATUS_BLOCK StatusBlock);
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PSTATUS_BLOCK StatusBlock);
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BOOL FASTCALL
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VBEQueryCurrentMode(
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PVBE_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE_INFORMATION VideoModeInfo,
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PSTATUS_BLOCK StatusBlock);
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BOOL FASTCALL
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BOOL FASTCALL
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VBESetColorRegisters(
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VBESetColorRegisters(
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PVBE_DEVICE_EXTENSION DeviceExtension,
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PVBE_DEVICE_EXTENSION DeviceExtension,
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