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Fix citro3d backend problems

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This commit is contained in:
Michael Theall 2020-04-23 22:50:36 -05:00
parent d83252ab8f
commit cb0756d819
2 changed files with 64 additions and 26 deletions
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88
source/3ds/imgui_citro3d.cpp
View File

@ -173,18 +173,16 @@ void imgui::citro3d::init ()
// allocate vertex data buffer
s_vtxSize = 65536;
s_vtxData = reinterpret_cast<ImDrawVert *> (linearAlloc (sizeof (ImDrawVert) * s_vtxSize));
if (!s_vtxData)
svcBreak (USERBREAK_PANIC);
assert (s_vtxData);
// allocate index data buffer
s_idxSize = 65536;
s_idxData = reinterpret_cast<ImDrawIdx *> (linearAlloc (sizeof (ImDrawIdx) * s_idxSize));
if (!s_idxData)
svcBreak (USERBREAK_PANIC);
assert (s_idxData);
// ensure the shared system font is mapped
if (R_FAILED (fontEnsureMapped ()))
svcBreak (USERBREAK_PANIC);
assert (false);
// load the glyph texture sheets
auto const font = fontGetSystemFont ();
@ -201,8 +199,8 @@ void imgui::citro3d::init ()
{
auto &tex = s_fontTextures[i];
tex.data = fontGetGlyphSheetTex (font, i);
if (!tex.data)
svcBreak (USERBREAK_PANIC);
assert (tex.data);
tex.fmt = static_cast<GPU_TEXCOLOR> (glyphInfo->sheetFmt);
tex.size = glyphInfo->sheetSize;
tex.width = glyphInfo->sheetWidth;
@ -221,8 +219,8 @@ void imgui::citro3d::init ()
// fill texture with full alpha
std::uint32_t size;
auto data = C3D_Tex2DGetImagePtr (&tex, 0, &size);
if (!data || !size)
svcBreak (USERBREAK_PANIC);
assert (data);
assert (size);
std::memset (data, 0xFF, size);
}
@ -238,26 +236,46 @@ void imgui::citro3d::init ()
switch (cmap->mappingMethod)
{
case CMAP_TYPE_DIRECT:
assert (cmap->codeEnd >= cmap->codeBegin);
charSet.reserve (charSet.size () + cmap->codeEnd - cmap->codeBegin + 1);
for (auto i = cmap->codeBegin; i <= cmap->codeEnd; ++i)
{
if (cmap->indexOffset + (i - cmap->codeBegin) == 0xFFFF)
break;
charSet.emplace_back (i);
}
break;
case CMAP_TYPE_TABLE:
assert (cmap->codeEnd >= cmap->codeBegin);
charSet.reserve (charSet.size () + cmap->codeEnd - cmap->codeBegin + 1);
for (auto i = cmap->codeBegin; i <= cmap->codeEnd; ++i)
{
if (cmap->indexTable[i - cmap->codeBegin] == 0xFFFF)
continue;
charSet.emplace_back (i);
}
break;
case CMAP_TYPE_SCAN:
charSet.reserve (charSet.size () + cmap->nScanEntries);
for (unsigned i = 0; i < cmap->nScanEntries; ++i)
{
assert (cmap->scanEntries[i].code >= cmap->codeBegin);
assert (cmap->scanEntries[i].code <= cmap->codeEnd);
if (cmap->scanEntries[i].glyphIndex == 0xFFFF)
continue;
charSet.emplace_back (cmap->scanEntries[i].code);
}
break;
}
}
if (charSet.empty ())
svcBreak (USERBREAK_PANIC);
assert (!charSet.empty ());
// deduplicate character map
std::sort (std::begin (charSet), std::end (charSet));
@ -343,8 +361,8 @@ void imgui::citro3d::init ()
for (auto const &code : charSet)
{
auto const glyphIndex = fontGlyphIndexFromCodePoint (font, code);
if (glyphIndex < 0)
svcBreak (USERBREAK_PANIC);
assert (glyphIndex >= 0);
assert (glyphIndex < 0xFFFF);
// calculate glyph metrics
fontCalcGlyphPos (&glyphPos,
@ -354,6 +372,9 @@ void imgui::citro3d::init ()
1.0f,
1.0f);
assert (glyphPos.sheetIndex >= 0);
assert (static_cast<std::size_t> (glyphPos.sheetIndex) < s_fontTextures.size ());
// add glyph to font
imFont->AddGlyph (code,
glyphPos.vtxcoord.left,
@ -425,8 +446,7 @@ void imgui::citro3d::render (C3D_RenderTarget *const top_, C3D_RenderTarget *con
// add 10% to avoid growing many frames in a row
s_vtxSize = drawData->TotalVtxCount * 1.1f;
s_vtxData = reinterpret_cast<ImDrawVert *> (linearAlloc (sizeof (ImDrawVert) * s_vtxSize));
if (!s_vtxData)
svcBreak (USERBREAK_PANIC);
assert (s_vtxData);
}
// check if we need to grow index data buffer
@ -435,8 +455,7 @@ void imgui::citro3d::render (C3D_RenderTarget *const top_, C3D_RenderTarget *con
// add 10% to avoid growing many frames in a row
s_idxSize = drawData->TotalIdxCount * 1.1f;
s_idxData = reinterpret_cast<ImDrawIdx *> (linearAlloc (sizeof (ImDrawIdx) * s_idxSize));
if (!s_vtxData)
svcBreak (USERBREAK_PANIC);
assert (s_idxData);
}
// will project scissor/clipping rectangles into framebuffer space
@ -453,10 +472,8 @@ void imgui::citro3d::render (C3D_RenderTarget *const top_, C3D_RenderTarget *con
auto const &cmdList = *drawData->CmdLists[i];
// double check that we don't overrun vertex/index data buffers
if (s_vtxSize - offsetVtx < static_cast<std::size_t> (cmdList.VtxBuffer.Size))
svcBreak (USERBREAK_PANIC);
if (s_idxSize - offsetIdx < static_cast<std::size_t> (cmdList.IdxBuffer.Size))
svcBreak (USERBREAK_PANIC);
assert (s_vtxSize - offsetVtx >= static_cast<std::size_t> (cmdList.VtxBuffer.Size));
assert (s_idxSize - offsetIdx >= static_cast<std::size_t> (cmdList.IdxBuffer.Size));
// copy vertex/index data into buffers
std::memcpy (&s_vtxData[offsetVtx],
@ -602,12 +619,33 @@ void imgui::citro3d::render (C3D_RenderTarget *const top_, C3D_RenderTarget *con
// assert that these three vertices use the same sheet
for (unsigned i = 0; i < 3; ++i)
assert (vtx_[idx_[i]].uv.y - sheet <= 1.0f);
assert (sheet < s_fontTextures.size ());
return sheet;
};
/// \todo avoid repeating this work?
for (unsigned i = 0; i < cmd.ElemCount; i += 3)
{
auto const idx = &cmdList.IdxBuffer.Data[cmd.IdxOffset + i];
auto const vtx = &cmdList.VtxBuffer.Data[cmd.VtxOffset];
auto drawVtx = &s_vtxData[cmd.VtxOffset + offsetVtx];
auto const sheet = getSheet (vtx, idx);
if (sheet != 0)
{
float dummy;
drawVtx[idx[0]].uv.y = std::modf (drawVtx[idx[0]].uv.y, &dummy);
drawVtx[idx[1]].uv.y = std::modf (drawVtx[idx[1]].uv.y, &dummy);
drawVtx[idx[2]].uv.y = std::modf (drawVtx[idx[2]].uv.y, &dummy);
}
}
// initialize texture binding
unsigned boundSheet = getSheet (&s_vtxData[cmd.VtxOffset + offsetVtx],
&s_idxData[cmd.IdxOffset + offsetIdx]);
unsigned boundSheet = getSheet (&cmdList.VtxBuffer.Data[cmd.VtxOffset],
&cmdList.IdxBuffer.Data[cmd.IdxOffset]);
assert (boundSheet < s_fontTextures.size ());
C3D_TexBind (0, &s_fontTextures[boundSheet]);
unsigned offset = 0;
@ -626,8 +664,8 @@ void imgui::citro3d::render (C3D_RenderTarget *const top_, C3D_RenderTarget *con
for (unsigned i = 3; i < cmd.ElemCount; i += 3)
{
// get sheet for this triangle
unsigned const sheet = getSheet (&s_vtxData[cmd.VtxOffset + offsetVtx],
&s_idxData[cmd.IdxOffset + offsetIdx + i]);
unsigned const sheet = getSheet (&cmdList.VtxBuffer.Data[cmd.VtxOffset],
&cmdList.IdxBuffer.Data[cmd.IdxOffset + i]);
// check if we're changing textures
if (boundSheet != sheet)

2
source/3ds/platform.cpp
View File

@ -330,7 +330,7 @@ bool platform::init ()
#ifndef CLASSIC
// initialize citro3d
C3D_Init (C3D_DEFAULT_CMDBUF_SIZE);
C3D_Init (2 * C3D_DEFAULT_CMDBUF_SIZE);
// create top screen render target
s_top =