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GPU: Make framebuffer code format-aware.
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@ -290,13 +290,54 @@ inline void Write(u32 addr, const T data) {
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u8* source_pointer = Memory::GetPointer(g_regs.display_transfer.GetPhysicalInputAddress());
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u8* dest_pointer = Memory::GetPointer(g_regs.display_transfer.GetPhysicalOutputAddress());
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// TODO: Perform display transfer correctly!
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for (int y = 0; y < g_regs.display_transfer.output_height; ++y) {
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// TODO: Copy size is just guesswork!
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memcpy(dest_pointer + y * g_regs.display_transfer.output_width * 4,
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source_pointer + y * g_regs.display_transfer.input_width * 4,
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g_regs.display_transfer.output_width * 4);
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// TODO: Why does the register seem to hold twice the framebuffer width?
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for (int x = 0; x < g_regs.display_transfer.output_width / 2; ++x) {
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int source[4] = { 0, 0, 0, 0}; // rgba;
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switch (g_regs.display_transfer.input_format) {
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case Registers::FramebufferFormat::RGBA8:
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{
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// TODO: Most likely got the component order messed up.
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u8* srcptr = source_pointer + x * 4 + y * g_regs.display_transfer.input_width * 4 / 2;
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source[0] = srcptr[0]; // blue
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source[1] = srcptr[1]; // green
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source[2] = srcptr[2]; // red
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source[3] = srcptr[3]; // alpha
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break;
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}
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default:
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ERROR_LOG(GPU, "Unknown source framebuffer format %x", (int)g_regs.display_transfer.input_format.Value());
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break;
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}
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switch (g_regs.display_transfer.output_format) {
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/*case Registers::FramebufferFormat::RGBA8:
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{
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// TODO: Untested
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u8* dstptr = (u32*)(dest_pointer + x * 4 + y * g_regs.display_transfer.output_width * 4);
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dstptr[0] = source[0];
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dstptr[1] = source[1];
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dstptr[2] = source[2];
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dstptr[3] = source[3];
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break;
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}*/
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case Registers::FramebufferFormat::RGB8:
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{
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u8* dstptr = dest_pointer + x * 3 + y * g_regs.display_transfer.output_width * 3 / 2;
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dstptr[0] = source[0]; // blue
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dstptr[1] = source[1]; // green
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dstptr[2] = source[2]; // red
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break;
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}
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default:
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ERROR_LOG(GPU, "Unknown destination framebuffer format %x", static_cast<int>(g_regs.display_transfer.output_format.Value()));
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break;
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}
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}
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}
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DEBUG_LOG(GPU, "DisplayTriggerTransfer: %x bytes from %x(%xx%x)-> %x(%xx%x), dst format %x",
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