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GPU: Implemented bits 3 and 1 from the display transfer flags.

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Bit 3 is used to specify a raw copy, where no processing is done to the data, seems to behave exactly as a DMA.
Bit 1 is used to specify whether to convert from a tiled format to a linear format or viceversa.
This commit is contained in:
Subv 2015-02-23 18:24:35 -05:00
parent c7dac73b0c
commit c564c21668
6 changed files with 169 additions and 81 deletions
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5
src/core/hw/gpu.h
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@ -192,12 +192,13 @@ struct Regs {
u32 flags;
BitField< 0, 1, u32> flip_data; // flips input data horizontally (TODO) if true
BitField< 1, 1, u32> output_tiled; // Converts from linear to tiled format
BitField< 3, 1, u32> raw_copy; // Copies the data without performing any processing
BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format;
BitField<16, 1, u32> output_tiled; // stores output in a tiled format
// TODO: Not really sure if this actually scales, or even resizes at all.
BitField<24, 1, u32> scale_horizontally;
BitField<25, 1, u32> scale_vertically;
};
INSERT_PADDING_WORDS(0x1);