Improvements to FrameBuffer support
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475561b038
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a4c22ab5e8
@ -146,7 +146,7 @@ typedef struct _CPPORT
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typedef struct _HAL_FRAMEBUFFER_DATA
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{
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BOOLEAN Initialized;
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PULONG Address;
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PVOID Address;
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ULONG_PTR BufferSize;
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UINT Width;
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UINT Height;
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@ -42,7 +42,7 @@ XtGetDisplayInformation(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock,
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{
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InformationBlock->Initialized = FrameBufferInfo->Initialized;
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InformationBlock->Protocol = FrameBufferInfo->Protocol;
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InformationBlock->Address = (PVOID)(ULONG_PTR)FrameBufferInfo->FrameBufferBase;
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InformationBlock->Address = (PVOID)FrameBufferInfo->FrameBufferBase;
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InformationBlock->BufferSize = FrameBufferInfo->FrameBufferSize;
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InformationBlock->Width = FrameBufferInfo->Width;
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InformationBlock->Height = FrameBufferInfo->Height;
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@ -71,10 +71,10 @@ HlDrawPixel(IN ULONG PositionX,
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}
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/* Calculate the index of the pixel in the frame buffer memory using the provided x and y coordinates */
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FrameBufferIndex = PositionY * HlpFrameBufferData.PixelsPerScanLine + PositionX;
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FrameBufferIndex = 4 * HlpFrameBufferData.PixelsPerScanLine * PositionY + 4 * PositionX;
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/* Set the color of the pixel by writing to the corresponding memory location */
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HlpFrameBufferData.Address[FrameBufferIndex] = Color;
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*((PUINT)(HlpFrameBufferData.Address + FrameBufferIndex)) = Color;
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}
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/**
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@ -104,7 +104,7 @@ HlInitializeFrameBuffer(VOID)
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}
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/* Save framebuffer information and mark display as initialized */
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HlpFrameBufferData.Address = (PULONG)KeInitializationBlock->LoaderInformation.FrameBuffer.Address;
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HlpFrameBufferData.Address = KeInitializationBlock->LoaderInformation.FrameBuffer.Address;
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HlpFrameBufferData.Width = KeInitializationBlock->LoaderInformation.FrameBuffer.Width;
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HlpFrameBufferData.Height = KeInitializationBlock->LoaderInformation.FrameBuffer.Height;
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HlpFrameBufferData.BitsPerPixel = KeInitializationBlock->LoaderInformation.FrameBuffer.BitsPerPixel;
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