diff options
| -rw-r--r-- | src/video_core/engines/fermi_2d.cpp | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp index 7ff44f06d..85d308e26 100644 --- a/src/video_core/engines/fermi_2d.cpp +++ b/src/video_core/engines/fermi_2d.cpp @@ -28,6 +28,13 @@ void Fermi2D::CallMethod(const GPU::MethodCall& method_call) { } } +std::pair<u32, u32> DelimitLine(u32 src_1, u32 src_2, u32 dst_1, u32 dst_2, u32 src_line) { + const u32 line_a = src_2 - src_1; + const u32 line_b = dst_2 - dst_1; + const u32 excess = std::max<s32>(0, line_a - src_line + src_1); + return {line_b - (excess * line_b) / line_a, excess}; +} + void Fermi2D::HandleSurfaceCopy() { LOG_DEBUG(HW_GPU, "Requested a surface copy with operation {}", static_cast<u32>(regs.operation)); @@ -47,10 +54,27 @@ void Fermi2D::HandleSurfaceCopy() { src_blit_x2 = static_cast<u32>((regs.blit_src_x >> 32) + regs.blit_dst_width); src_blit_y2 = static_cast<u32>((regs.blit_src_y >> 32) + regs.blit_dst_height); } + u32 dst_blit_x2 = regs.blit_dst_x + regs.blit_dst_width; + u32 dst_blit_y2 = regs.blit_dst_y + regs.blit_dst_height; + const auto [new_dst_w, src_excess_x] = + DelimitLine(src_blit_x1, src_blit_x2, regs.blit_dst_x, dst_blit_x2, regs.src.width); + const auto [new_dst_h, src_excess_y] = + DelimitLine(src_blit_y1, src_blit_y2, regs.blit_dst_y, dst_blit_y2, regs.src.height); + dst_blit_x2 = new_dst_w + regs.blit_dst_x; + src_blit_x2 = src_blit_x2 - src_excess_x; + dst_blit_y2 = new_dst_h + regs.blit_dst_y; + src_blit_y2 = src_blit_y2 - src_excess_y; + const auto [new_src_w, dst_excess_x] = + DelimitLine(regs.blit_dst_x, dst_blit_x2, src_blit_x1, src_blit_x2, regs.dst.width); + const auto [new_src_h, dst_excess_y] = + DelimitLine(regs.blit_dst_y, dst_blit_y2, src_blit_y1, src_blit_y2, regs.dst.height); + src_blit_x2 = new_src_w + src_blit_x1; + dst_blit_x2 = dst_blit_x2 - dst_excess_x; + src_blit_y2 = new_src_h + src_blit_y1; + dst_blit_y2 = dst_blit_y2 - dst_excess_y; const Common::Rectangle<u32> src_rect{src_blit_x1, src_blit_y1, src_blit_x2, src_blit_y2}; - const Common::Rectangle<u32> dst_rect{regs.blit_dst_x, regs.blit_dst_y, - regs.blit_dst_x + regs.blit_dst_width, - regs.blit_dst_y + regs.blit_dst_height}; + const Common::Rectangle<u32> dst_rect{regs.blit_dst_x, regs.blit_dst_y, dst_blit_x2, + dst_blit_y2}; Config copy_config; copy_config.operation = regs.operation; copy_config.filter = regs.blit_control.filter; |