[maxwell_dma] Fix CONST_A for different component sizes in MaxwellDMA Launch (#3211)

This implements 1 byte and 2 bytes component sizes, required by Marvel: Cosmic Invasion.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3211
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Co-authored-by: MaranBr <maranbr@outlook.com>
Co-committed-by: MaranBr <maranbr@outlook.com>

src/video_core/engines/maxwell_dma.cpp

@@ -96,15 +96,14 @@ void MaxwellDMA::Launch() {
         auto& accelerate = rasterizer->AccessAccelerateDMA();
         const bool is_const_a_dst = regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
         if (regs.launch_dma.remap_enable != 0 && is_const_a_dst) {
-            ASSERT(regs.remap_const.component_size_minus_one == 3);
-            accelerate.BufferClear(regs.offset_out, regs.line_length_in,
-                                   regs.remap_const.remap_consta_value);
+            const u32 component_size = regs.remap_const.component_size_minus_one + 1;
+            ASSERT(component_size == 1 || component_size == 2 || component_size == 4);
+            if (component_size == 4) {
+                accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_const.remap_consta_value);
+            }
             read_buffer.resize_destructive(regs.line_length_in * sizeof(u32));
-            std::span<u32> span(reinterpret_cast<u32*>(read_buffer.data()), regs.line_length_in);
-            std::ranges::fill(span, regs.remap_const.remap_consta_value);
-            memory_manager.WriteBlockUnsafe(regs.offset_out,
-                                            reinterpret_cast<u8*>(read_buffer.data()),
-                                            regs.line_length_in * sizeof(u32));
+            std::ranges::fill(std::span<u32>(reinterpret_cast<u32*>(read_buffer.data()), regs.line_length_in), regs.remap_const.remap_consta_value);
+            memory_manager.WriteBlockUnsafe(regs.offset_out, reinterpret_cast<u8*>(read_buffer.data()), static_cast<size_t>(regs.line_length_in) * component_size);
         } else {
             memory_manager.FlushCaching();
             const auto convert_linear_2_blocklinear_addr = [](u64 address) {