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Partially vectorized GetScissor (loading and unpacking the bitfields from the registers is still scalar)

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chss95cs@gmail.com
2022-12-14 09:33:14 -08:00
parent ab6d9dade0
commit 080b6f4cbd
2 changed files with 92 additions and 4 deletions
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9
src/xenia/gpu/d3d12/d3d12_command_processor.cc
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@@ -2193,7 +2193,6 @@ D3D12CommandProcessor::WriteRegisterRangeFromMem_WithKnownBound(
REFRESH_MSVC_RANGE();
DO_A_RANGE(XE_GPU_REG_SHADER_CONSTANT_LOOP_31 + 1, 65536,
REGULAR_WRITE_CALLBACK);
}
template <uint32_t register_lower_bound, uint32_t register_upper_bound>
XE_FORCEINLINE void
@@ -2799,11 +2798,17 @@ bool D3D12CommandProcessor::IssueDraw(xenos::PrimitiveType primitive_type,
// todo: use SIMD for getscissor + scaling here, should reduce code size more
draw_util::Scissor scissor;
draw_util::GetScissor(regs, scissor);
#if XE_ARCH_AMD64 == 1
__m128i* scisp = (__m128i*)&scissor;
*scisp = _mm_mullo_epi32(
*scisp, _mm_setr_epi32(draw_resolution_scale_x, draw_resolution_scale_y,
draw_resolution_scale_x, draw_resolution_scale_y));
#else
scissor.offset[0] *= draw_resolution_scale_x;
scissor.offset[1] *= draw_resolution_scale_y;
scissor.extent[0] *= draw_resolution_scale_x;
scissor.extent[1] *= draw_resolution_scale_y;
#endif
// Update viewport, scissor, blend factor and stencil reference.
UpdateFixedFunctionState(viewport_info, scissor, primitive_polygonal,
normalized_depth_control);