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GPU: Fixed the bit 25 in the display transfer flags.

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It is used to downscale the input image horizontally and vertically, previously we were only downscaling it vertically so this caused a hard-to-debug memory corruption problem.
This commit is contained in:
Subv 2015-03-10 14:18:25 -05:00
parent ec5bc54575
commit ae0dfcae1d
2 changed files with 5 additions and 5 deletions
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4
src/core/hw/gpu.cpp
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@ -116,8 +116,8 @@ inline void Write(u32 addr, const T data) {
u8* src_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress())); u8* src_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress()));
u8* dst_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress())); u8* dst_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress()));
unsigned horizontal_scale = (config.scale_horizontally != 0) ? 2 : 1; unsigned horizontal_scale = (config.scale_x != 0 || config.scale_xy != 0) ? 2 : 1;
unsigned vertical_scale = (config.scale_vertically != 0) ? 2 : 1; unsigned vertical_scale = (config.scale_xy != 0) ? 2 : 1;
u32 output_width = config.output_width / horizontal_scale; u32 output_width = config.output_width / horizontal_scale;
u32 output_height = config.output_height / vertical_scale; u32 output_height = config.output_height / vertical_scale;

4
src/core/hw/gpu.h
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@ -197,8 +197,8 @@ struct Regs {
BitField< 8, 3, PixelFormat> input_format; BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format; BitField<12, 3, PixelFormat> output_format;
BitField<24, 1, u32> scale_horizontally; BitField<24, 1, u32> scale_x; // Shrinks the image in half horizontally, blending the extra pixels
BitField<25, 1, u32> scale_vertically; BitField<25, 1, u32> scale_xy; // Shrinks the image horizontally and vertically, blending the extra pixels
}; };
INSERT_PADDING_WORDS(0x1); INSERT_PADDING_WORDS(0x1);