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https://github.com/melonDS-emu/melonDS.git
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8 commits
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a8b678a95a
Author | SHA1 | Date | |
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a8b678a95a | |||
ee91fe6a46 | |||
87e8372337 | |||
10798c3464 | |||
ee2c6cc7c2 | |||
474bf6e784 | |||
35cea5e1d7 | |||
6112aa120a |
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@ -8,6 +8,7 @@ endif()
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set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
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set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
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set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_SOURCE_DIR}/cmake/DefaultBuildFlags.cmake")
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option(USE_VCPKG "Use vcpkg for dependency packages" OFF)
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if (USE_VCPKG)
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@ -78,14 +79,6 @@ if (ENABLE_LTO)
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set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Og")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og")
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endif()
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string(REPLACE "-O2" "-O3" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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string(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
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if (NOT APPLE)
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -s")
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endif()
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@ -6,10 +6,9 @@
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<a href="https://www.gnu.org/licenses/gpl-3.0" alt="License: GPLv3"><img src="https://img.shields.io/badge/License-GPL%20v3-%23ff554d.svg"></a>
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<a href="https://kiwiirc.com/client/irc.badnik.net/?nick=IRC-Source_?#melonds" alt="IRC channel: #melonds"><img src="https://img.shields.io/badge/IRC%20chat-%23melonds-%23dd2e44.svg"></a>
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<br>
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<a href="https://github.com/melonDS-emu/melonDS/actions?query=workflow%3A%22CMake+Build+%28Windows+x86-64%29%22+event%3Apush"><img src="https://img.shields.io/github/actions/workflow/status/melonDS-emu/melonDS/build-windows.yml?label=Windows%20x86-64&logo=GitHub&branch=master"></img></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions?query=workflow%3A%22CMake+Build+%28Ubuntu+x86-64%29%22+event%3Apush"><img src="https://img.shields.io/github/actions/workflow/status/melonDS-emu/melonDS/build-ubuntu.yml?label=Linux%20x86-64&logo=GitHub"></img></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions?query=workflow%3A%22CMake+Build+%28Ubuntu+aarch64%29%22+event%3Apush"><img src="https://img.shields.io/github/actions/workflow/status/melonDS-emu/melonDS/build-ubuntu-aarch64.yml?label=Linux%20ARM64&logo=GitHub"></img></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions/workflows/build-macos-universal.yml?query=event%3Apush"><img src="https://img.shields.io/github/actions/workflow/status/melonDS-emu/melonDS/build-macos.yml?label=macOS%20Universal&logo=GitHub"></img></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions/workflows/build-windows.yml?query=event%3Apush"><img src="https://github.com/melonDS-emu/melonDS/actions/workflows/build-windows.yml/badge.svg" /></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions/workflows/build-ubuntu.yml?query=event%3Apush"><img src="https://github.com/melonDS-emu/melonDS/actions/workflows/build-ubuntu.yml/badge.svg" /></a>
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<a href="https://github.com/melonDS-emu/melonDS/actions/workflows/build-macos.yml?query=event%3Apush"><img src="https://github.com/melonDS-emu/melonDS/actions/workflows/build-macos.yml/badge.svg" /></a>
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</p>
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DS emulator, sorta
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9
cmake/DefaultBuildFlags.cmake
Normal file
9
cmake/DefaultBuildFlags.cmake
Normal file
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@ -0,0 +1,9 @@
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if (CMAKE_C_COMPILER_ID STREQUAL GNU)
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set(CMAKE_C_FLAGS_DEBUG_INIT "-g -Og")
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-g -Og")
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endif()
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string(REPLACE "-O2" "-O3" CMAKE_C_FLAGS_RELEASE_INIT "${CMAKE_C_FLAGS_RELEASE_INIT}")
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string(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELEASE_INIT "${CMAKE_CXX_FLAGS_RELEASE_INIT}")
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18
src/CP15.cpp
18
src/CP15.cpp
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@ -186,10 +186,14 @@ void ARMv5::UpdatePURegion(u32 n)
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return;
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}
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u32 start = rgn >> 12;
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u32 sz = 2 << ((rgn >> 1) & 0x1F);
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u32 end = start + (sz >> 12);
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// TODO: check alignment of start
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// notes:
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// * min size of a pu region is 4KiB (12 bits)
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// * size is calculated as size + 1, but the 12 lsb of address space are ignored, therefore we need it as size + 1 - 12, or size - 11
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// * pu regions are aligned based on their size
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u32 size = std::max((int)((rgn>>1) & 0x1F) - 11, 0); // obtain the size, subtract 11 and clamp to a min of 0.
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u32 start = ((rgn >> 12) >> size) << size; // determine the start offset, and use shifts to force alignment with a multiple of the size.
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u32 end = start + (1<<size); // add 1 left shifted by size to start to determine end point
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// dont need to bounds check the end point because the force alignment inherently prevents it from breaking
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u8 usermask = 0;
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u8 privmask = 0;
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@ -239,7 +243,7 @@ void ARMv5::UpdatePURegion(u32 n)
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"PU region %d: %08X-%08X, user=%02X priv=%02X, %08X/%08X\n",
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n,
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start << 12,
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end << 12,
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(end << 12) - 1,
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usermask,
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privmask,
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PU_DataRW,
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@ -579,12 +583,12 @@ void ARMv5::CP15Write(u32 id, u32 val)
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std::snprintf(log_output,
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sizeof(log_output),
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"PU: region %d = %08X : %s, %08X-%08X\n",
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"PU: region %d = %08X : %s, start: %08X size: %02X\n",
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(id >> 4) & 0xF,
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val,
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val & 1 ? "enabled" : "disabled",
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val & 0xFFFFF000,
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(val & 0xFFFFF000) + (2 << ((val & 0x3E) >> 1))
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(val & 0x3E) >> 1
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);
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Log(LogLevel::Debug, "%s", log_output);
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// Some implementations of Log imply a newline, so we build up the line before printing it
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@ -1229,17 +1229,14 @@ void GPU3D::SubmitPolygon() noexcept
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poly->IsShadowMask = ((CurPolygonAttr & 0x3F000030) == 0x00000030);
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poly->IsShadow = ((CurPolygonAttr & 0x30) == 0x30) && !poly->IsShadowMask;
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// yes we need specifically the rasterizer bit, not the gx bit
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poly->ClearStencil = false;
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if (NDS.GetSCFGRasterBit() && (FlushAttributes & 1) && poly->Translucent)
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{
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if (poly->IsShadowMask && ShadowSent)
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{
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ShadowSent = false;
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poly->ClearStencil = true;
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}
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}
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if (poly->IsShadow) ShadowSent = true;
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// yes, this *is* an extremely specific requirement, and also yes we need the rasterizer bit, not the gx bit
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else if (NDS.GetSCFGRasterBit() && poly->IsShadowMask && ShadowSent && (FlushAttributes & 1) && poly->Translucent)
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{
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ShadowSent = false;
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poly->ClearStencil = true;
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}
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if (!poly->Translucent) NumOpaquePolygons++;
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@ -1598,12 +1598,11 @@ void SoftRenderer::RenderScanline(GPU& gpu, s32 y, int npolys)
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//we actually handle clearing the stencil buffer here when the revision bit is set, this allows for a polygon to clear it on every scanline, even ones it isn't part of.
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if (gpu.GPU3D.RenderRasterRev)
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{
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if (polygon->ClearStencil && polygon->Translucent && ShadowRenderedi[(y&0x1)])
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if (polygon->ClearStencil && ShadowRenderedi[(y&0x1)])
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{
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StencilCleared = true;
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memset(&StencilBuffer[256 * (y&0x1)], 0, 256);
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ShadowRenderedi[(y&0x1)] = false;
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}
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else if (polygon->IsShadow && polygon->Translucent)
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{
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@ -948,8 +948,8 @@ u32 DecompressROM(const u8* inContent, const u32 inSize, unique_ptr<u8[]>& outCo
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if (realSize != ZSTD_CONTENTSIZE_UNKNOWN)
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{
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outContent = make_unique<u8[]>(realSize);
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u64 decompressed = ZSTD_decompress(outContent.get(), realSize, inContent, inSize);
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auto newOutContent = make_unique<u8[]>(realSize);
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u64 decompressed = ZSTD_decompress(newOutContent.get(), realSize, inContent, inSize);
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if (ZSTD_isError(decompressed))
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{
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@ -957,6 +957,7 @@ u32 DecompressROM(const u8* inContent, const u32 inSize, unique_ptr<u8[]>& outCo
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return 0;
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}
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outContent = std::move(newOutContent);
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return realSize;
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}
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else
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@ -1011,7 +1012,6 @@ u32 DecompressROM(const u8* inContent, const u32 inSize, unique_ptr<u8[]>& outCo
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}
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} while (inBuf.pos < inBuf.size);
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ZSTD_freeDStream(dStream);
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outContent = make_unique<u8[]>(outBuf.pos);
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memcpy(outContent.get(), outBuf.dst, outBuf.pos);
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