GPU: Implemented the flip_data (bit 0) bit in display transfers.
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@ -146,8 +146,17 @@ inline void Write(u32 addr, const T data) {
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for (u32 x = 0; x < output_width; ++x) {
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Math::Vec4<u8> src_color = { 0, 0, 0, 0 };
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u32 scaled_x = x * horizontal_scale;
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u32 scaled_y = y * vertical_scale;
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// Calculate the [x,y] position of the input image
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// based on the current output position and the scale
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u32 input_x = x * horizontal_scale;
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u32 input_y = y * vertical_scale;
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if (config.flip_vertically) {
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// Flip the y value of the output data,
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// we do this after calculating the [x,y] position of the input image
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// to account for the scaling options.
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y = output_height - y - 1;
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}
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u32 dst_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.output_format);
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u32 src_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.input_format);
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@ -159,14 +168,14 @@ inline void Write(u32 addr, const T data) {
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u32 coarse_y = y & ~7;
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u32 stride = output_width * dst_bytes_per_pixel;
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src_offset = (scaled_x + scaled_y * config.input_width) * src_bytes_per_pixel;
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src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
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dst_offset = VideoCore::GetMortonOffset(x, y, dst_bytes_per_pixel) + coarse_y * stride;
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} else {
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// Interpret the input as tiled and the output as linear
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u32 coarse_y = scaled_y & ~7;
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u32 coarse_y = input_y & ~7;
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u32 stride = config.input_width * src_bytes_per_pixel;
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src_offset = VideoCore::GetMortonOffset(scaled_x, scaled_y, src_bytes_per_pixel) + coarse_y * stride;
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src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) + coarse_y * stride;
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dst_offset = (x + y * output_width) * dst_bytes_per_pixel;
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}
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@ -191,7 +191,7 @@ struct Regs {
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union {
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u32 flags;
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BitField< 0, 1, u32> flip_data; // flips input data horizontally (TODO) if true
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BitField< 0, 1, u32> flip_vertically; // flips input data vertically
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BitField< 1, 1, u32> output_tiled; // Converts from linear to tiled format
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BitField< 3, 1, u32> raw_copy; // Copies the data without performing any processing
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BitField< 8, 3, PixelFormat> input_format;
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