mirror of
				https://git.suyu.dev/suyu/suyu
				synced 2025-11-04 00:49:02 -06:00 
			
		
		
		
	maxwell_dma: Minor refactoring
This commit is contained in:
		@@ -82,41 +82,41 @@ void MaxwellDMA::Launch() {
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void MaxwellDMA::CopyPitchToPitch() {
 | 
			
		||||
    // When `multi_line_enable` bit is disabled the copy is performed as if we were copying a 1D
 | 
			
		||||
    // buffer of length `line_length_in`.
 | 
			
		||||
    // Otherwise we copy a 2D image of dimensions (line_length_in, line_count).
 | 
			
		||||
    auto& accelerate = rasterizer->AccessAccelerateDMA();
 | 
			
		||||
    if (!regs.launch_dma.multi_line_enable) {
 | 
			
		||||
        const bool is_buffer_clear = regs.launch_dma.remap_enable != 0 &&
 | 
			
		||||
                                     regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
 | 
			
		||||
        // TODO: allow multisized components.
 | 
			
		||||
        if (is_buffer_clear) {
 | 
			
		||||
            ASSERT(regs.remap_const.component_size_minus_one == 3);
 | 
			
		||||
            accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value);
 | 
			
		||||
            std::vector<u32> tmp_buffer(regs.line_length_in, regs.remap_consta_value);
 | 
			
		||||
            memory_manager.WriteBlockUnsafe(regs.offset_out,
 | 
			
		||||
                                            reinterpret_cast<u8*>(tmp_buffer.data()),
 | 
			
		||||
                                            regs.line_length_in * sizeof(u32));
 | 
			
		||||
            return;
 | 
			
		||||
        }
 | 
			
		||||
        UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0);
 | 
			
		||||
        if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
 | 
			
		||||
            std::vector<u8> tmp_buffer(regs.line_length_in);
 | 
			
		||||
            memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), regs.line_length_in);
 | 
			
		||||
            memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(), regs.line_length_in);
 | 
			
		||||
    // When `multi_line_enable` bit is enabled we copy a 2D image of dimensions
 | 
			
		||||
    // (line_length_in, line_count).
 | 
			
		||||
    // Otherwise the copy is performed as if we were copying a 1D buffer of length line_length_in.
 | 
			
		||||
    const bool remap_enabled = regs.launch_dma.remap_enable != 0;
 | 
			
		||||
    if (regs.launch_dma.multi_line_enable) {
 | 
			
		||||
        UNIMPLEMENTED_IF(remap_enabled);
 | 
			
		||||
 | 
			
		||||
        // Perform a line-by-line copy.
 | 
			
		||||
        // We're going to take a subrect of size (line_length_in, line_count) from the source
 | 
			
		||||
        // rectangle. There is no need to manually flush/invalidate the regions because CopyBlock
 | 
			
		||||
        // does that for us.
 | 
			
		||||
        for (u32 line = 0; line < regs.line_count; ++line) {
 | 
			
		||||
            const GPUVAddr source_line = regs.offset_in + static_cast<size_t>(line) * regs.pitch_in;
 | 
			
		||||
            const GPUVAddr dest_line = regs.offset_out + static_cast<size_t>(line) * regs.pitch_out;
 | 
			
		||||
            memory_manager.CopyBlock(dest_line, source_line, regs.line_length_in);
 | 
			
		||||
        }
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0);
 | 
			
		||||
 | 
			
		||||
    // Perform a line-by-line copy.
 | 
			
		||||
    // We're going to take a subrect of size (line_length_in, line_count) from the source rectangle.
 | 
			
		||||
    // There is no need to manually flush/invalidate the regions because CopyBlock does that for us.
 | 
			
		||||
    for (u32 line = 0; line < regs.line_count; ++line) {
 | 
			
		||||
        const GPUVAddr source_line = regs.offset_in + static_cast<size_t>(line) * regs.pitch_in;
 | 
			
		||||
        const GPUVAddr dest_line = regs.offset_out + static_cast<size_t>(line) * regs.pitch_out;
 | 
			
		||||
        memory_manager.CopyBlock(dest_line, source_line, regs.line_length_in);
 | 
			
		||||
    // TODO: allow multisized components.
 | 
			
		||||
    auto& accelerate = rasterizer->AccessAccelerateDMA();
 | 
			
		||||
    const bool is_const_a_dst = regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
 | 
			
		||||
    const bool is_buffer_clear = remap_enabled && is_const_a_dst;
 | 
			
		||||
    if (is_buffer_clear) {
 | 
			
		||||
        ASSERT(regs.remap_const.component_size_minus_one == 3);
 | 
			
		||||
        accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value);
 | 
			
		||||
        std::vector<u32> tmp_buffer(regs.line_length_in, regs.remap_consta_value);
 | 
			
		||||
        memory_manager.WriteBlockUnsafe(regs.offset_out, reinterpret_cast<u8*>(tmp_buffer.data()),
 | 
			
		||||
                                        regs.line_length_in * sizeof(u32));
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
    UNIMPLEMENTED_IF(remap_enabled);
 | 
			
		||||
    if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
 | 
			
		||||
        std::vector<u8> tmp_buffer(regs.line_length_in);
 | 
			
		||||
        memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), regs.line_length_in);
 | 
			
		||||
        memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(), regs.line_length_in);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -175,7 +175,7 @@ public:
 | 
			
		||||
    static_assert(sizeof(LaunchDMA) == 4);
 | 
			
		||||
 | 
			
		||||
    struct RemapConst {
 | 
			
		||||
        enum Swizzle : u32 {
 | 
			
		||||
        enum class Swizzle : u32 {
 | 
			
		||||
            SRC_X = 0,
 | 
			
		||||
            SRC_Y = 1,
 | 
			
		||||
            SRC_Z = 2,
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user