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GPU: Implement TextureCopy-mode display transfers

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Fixes glitchy garbage in Fire Emblem 3D scenes.
This commit is contained in:
Yuri Kunde Schlesner 2015-07-23 16:25:59 -03:00
parent 2e5696dba4
commit 9ae5a09655
4 changed files with 101 additions and 36 deletions
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34
src/core/hw/gpu.h
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@ -201,12 +201,14 @@ struct Regs {
u32 flags;
BitField< 0, 1, u32> flip_vertically; // flips input data vertically
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< 1, 1, u32> input_linear; // Converts from linear to tiled format
BitField< 2, 1, u32> crop_input_lines;
BitField< 3, 1, u32> is_texture_copy; // Copies the data without performing any processing and respecting texture copy fields
BitField< 5, 1, u32> dont_swizzle;
BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format;
/// Uses some kind of 32x32 block swizzling mode, instead of the usual 8x8 one.
BitField<16, 1, u32> block_32; // TODO(yuriks): unimplemented
BitField<24, 2, ScalingMode> scaling; // Determines the scaling mode of the transfer
};
@ -214,10 +216,30 @@ struct Regs {
// it seems that writing to this field triggers the display transfer
u32 trigger;
} display_transfer_config;
ASSERT_MEMBER_SIZE(display_transfer_config, 0x1c);
INSERT_PADDING_WORDS(0x331);
INSERT_PADDING_WORDS(0x1);
struct {
u32 size;
union {
u32 input_size;
BitField< 0, 16, u32> input_width;
BitField<16, 16, u32> input_gap;
};
union {
u32 output_size;
BitField< 0, 16, u32> output_width;
BitField<16, 16, u32> output_gap;
};
} texture_copy;
} display_transfer_config;
ASSERT_MEMBER_SIZE(display_transfer_config, 0x2c);
INSERT_PADDING_WORDS(0x32D);
struct {
// command list size (in bytes)