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PPGeDraw.cpp
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// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <algorithm> // std::remove
#include "ext/xxhash.h"
#include "Common/System/System.h"
#include "Common/Data/Color/RGBAUtil.h"
#include "Common/File/VFS/VFS.h"
#include "Common/Data/Format/ZIMLoad.h"
#include "Common/Data/Format/PNGLoad.h"
#include "Common/Data/Encoding/Utf8.h"
#include "Common/Render/TextureAtlas.h"
#include "Common/Render/Text/draw_text.h"
#include "Common/Serialize/Serializer.h"
#include "Common/Serialize/SerializeFuncs.h"
#include "Common/StringUtils.h"
#include "Core/Config.h"
#include "Common/BitScan.h"
#include "Core/HDRemaster.h"
#include "GPU/ge_constants.h"
#include "GPU/GPUState.h"
#include "GPU/GPUCommon.h"
#include "Core/FileSystems/MetaFileSystem.h"
#include "Core/Util/PPGeDraw.h"
#include "Core/HLE/HLE.h"
#include "Core/HLE/sceKernel.h"
#include "Core/HLE/sceKernelMemory.h"
#include "Core/HLE/sceGe.h"
#include "Core/MemMapHelpers.h"
#include "Core/System.h"
static Atlas g_ppge_atlas;
static Draw::DrawContext *g_draw = nullptr;
static u32 atlasPtr;
static int atlasWidth;
static int atlasHeight;
static uint64_t atlasHash;
static bool atlasRequiresReset;
struct PPGeVertex {
u16_le u, v;
u32_le color;
float_le x, y, z;
};
struct PPGeRemasterVertex {
float_le u, v;
u32_le color;
float_le x, y, z;
};
static PSPPointer<PspGeListArgs> listArgs;
static u32 listArgsSize = sizeof(PspGeListArgs);
static u32 savedContextPtr;
static u32 savedContextSize = 512 * 4;
// Display list writer
static u32 dlPtr;
static u32 dlWritePtr;
static u32 dlSize = 0x10000; // should be enough for a frame of gui...
static u32 dataPtr;
static u32 dataWritePtr;
static u32 dataSize = 0x10000; // should be enough for a frame of gui...
static PSPPointer<u16_le> palette;
static u32 paletteSize = sizeof(u16) * 16;
// Vertex collector
static u32 vertexStart;
static u32 vertexCount;
// Used for formatting text
struct AtlasCharVertex
{
float x;
float y;
const AtlasChar *c;
};
struct AtlasTextMetrics
{
float x;
float y;
float maxWidth;
float lineHeight;
float scale;
int numLines;
};
typedef std::vector<AtlasCharVertex> AtlasCharLine;
typedef std::vector<AtlasCharLine> AtlasLineArray;
static AtlasCharLine char_one_line;
static AtlasLineArray char_lines;
static AtlasTextMetrics char_lines_metrics;
static bool textDrawerInited = false;
static TextDrawer *textDrawer = nullptr;
struct PPGeTextDrawerCacheKey {
bool operator < (const PPGeTextDrawerCacheKey &other) const {
if (align != other.align)
return align < other.align;
if (wrapWidth != other.wrapWidth)
return wrapWidth < other.wrapWidth;
return text < other.text;
}
std::string text;
int align;
float wrapWidth;
};
struct PPGeTextDrawerImage {
PPGeTextDrawerImage() : entry(0) {}
TextStringEntry entry;
u32 ptr;
};
static std::map<PPGeTextDrawerCacheKey, PPGeTextDrawerImage> textDrawerImages;
void PPGeSetDrawContext(Draw::DrawContext *draw) {
g_draw = draw;
}
// Overwrite the current text lines buffer so it can be drawn later.
void PPGePrepareText(std::string_view text, float x, float y, PPGeAlign align, float scale, float lineHeightScale,
int WrapType = PPGE_LINE_NONE, int wrapWidth = 0);
// These functions must be called between PPGeBegin and PPGeEnd.
// Draw currently buffered text using the state from PPGeGetTextBoundingBox() call.
// Clears the buffer and state when done.
void PPGeDrawCurrentText(u32 color = 0xFFFFFFFF);
static void PPGeDecimateTextImages(int age = 97);
void PPGeSetTexture(u32 dataAddr, int width, int height);
//only 0xFFFFFF of data is used
static void WriteCmd(u8 cmd, u32 data) {
Memory::Write_U32((cmd << 24) | (data & 0xFFFFFF), dlWritePtr);
dlWritePtr += 4;
_dbg_assert_(dlWritePtr <= dlPtr + dlSize);
}
static void WriteCmdAddrWithBase(u8 cmd, u32 addr) {
WriteCmd(GE_CMD_BASE, (addr >> 8) & 0xFF0000);
WriteCmd(cmd, addr & 0xFFFFFF);
}
/*
static void WriteCmdFloat(u8 cmd, float f) {
union {
float fl;
u32 u;
} conv;
conv.fl = f;
WriteCmd(cmd, conv.u >> 8);
}*/
static void BeginVertexData() {
vertexCount = 0;
vertexStart = dataWritePtr;
}
static void Vertex(float x, float y, float u, float v, int tw, int th, u32 color = 0xFFFFFFFF) {
if (g_RemasterMode) {
auto vtx = PSPPointer<PPGeRemasterVertex>::Create(dataWritePtr);
vtx->x = x; vtx->y = y; vtx->z = 0;
vtx->u = u * tw; vtx->v = v * th;
vtx->color = color;
dataWritePtr += (u32)vtx.ElementSize();
} else {
auto vtx = PSPPointer<PPGeVertex>::Create(dataWritePtr);
vtx->x = x; vtx->y = y; vtx->z = 0;
vtx->u = u * tw; vtx->v = v * th;
vtx->color = color;
dataWritePtr += (u32)vtx.ElementSize();
}
_dbg_assert_(dataWritePtr <= dataPtr + dataSize);
vertexCount++;
}
static void EndVertexDataAndDraw(int prim) {
_assert_msg_(vertexStart != 0, "Missing matching call to BeginVertexData()");
if (vertexCount != 0) {
NotifyMemInfo(MemBlockFlags::WRITE, vertexStart, dataWritePtr - vertexStart, "PPGe Vertex");
WriteCmdAddrWithBase(GE_CMD_VADDR, vertexStart);
WriteCmd(GE_CMD_PRIM, (prim << 16) | vertexCount);
}
vertexStart = 0;
}
bool PPGeIsFontTextureAddress(u32 addr) {
return addr == atlasPtr;
}
static u32 __PPGeDoAlloc(u32 &size, bool fromTop, const char *name) {
u32 ptr = kernelMemory.Alloc(size, fromTop, name);
// Didn't get it, try again after decimating images.
if (ptr == (u32)-1) {
PPGeDecimateTextImages(4);
PPGeImage::Decimate(4);
ptr = kernelMemory.Alloc(size, fromTop, name);
if (ptr == (u32)-1) {
return 0;
}
}
return ptr;
}
void __PPGeSetupListArgs()
{
if (listArgs.IsValid())
return;
listArgs = __PPGeDoAlloc(listArgsSize, false, "PPGe List Args");
if (listArgs.IsValid()) {
listArgs->size = 8;
if (savedContextPtr == 0)
savedContextPtr = __PPGeDoAlloc(savedContextSize, false, "PPGe Saved Context");
listArgs->context = savedContextPtr;
}
}
void __PPGeInit() {
// PPGe isn't really important for headless, and LoadZIM takes a long time.
bool skipZIM = System_GetPropertyBool(SYSPROP_SKIP_UI);
u8 *imageData[12]{};
int width[12]{};
int height[12]{};
int flags = 0;
bool loadedZIM = !skipZIM && LoadZIM("ppge_atlas.zim", width, height, &flags, imageData);
if (!skipZIM && !loadedZIM) {
ERROR_LOG(Log::sceGe, "Failed to load ppge_atlas.zim.\n\nPlace it in the directory \"assets\" under your PPSSPP directory.\n\nPPGe stuff will not be drawn.");
}
if (loadedZIM) {
size_t atlas_data_size;
if (!g_ppge_atlas.IsMetadataLoaded()) {
uint8_t *atlas_data = g_VFS.ReadFile("ppge_atlas.meta", &atlas_data_size);
if (atlas_data)
g_ppge_atlas.Load(atlas_data, atlas_data_size);
delete[] atlas_data;
}
}
u32 atlasSize = height[0] * width[0] / 2; // it's a 4-bit paletted texture in ram
atlasWidth = width[0];
atlasHeight = height[0];
dlPtr = __PPGeDoAlloc(dlSize, false, "PPGe Display List");
dataPtr = __PPGeDoAlloc(dataSize, false, "PPGe Vertex Data");
__PPGeSetupListArgs();
atlasPtr = atlasSize == 0 ? 0 : __PPGeDoAlloc(atlasSize, false, "PPGe Atlas Texture");
palette = __PPGeDoAlloc(paletteSize, false, "PPGe Texture Palette");
// Generate 16-greyscale palette. All PPGe graphics are greyscale so we can use a tiny paletted texture.
for (int i = 0; i < 16; i++) {
int val = i;
palette[i] = (val << 12) | 0xFFF;
}
NotifyMemInfo(MemBlockFlags::WRITE, palette.ptr, 16 * sizeof(u16_le), "PPGe Palette");
const u32_le *imagePtr = (u32_le *)imageData[0];
u8 *ramPtr = atlasPtr == 0 ? nullptr : (u8 *)Memory::GetPointerRange(atlasPtr, atlasSize);
// Palettize to 4-bit, the easy way.
for (int i = 0; i < width[0] * height[0] / 2; i++) {
// Each pixel is 16 bits, so this loads two pixels.
u32 c = imagePtr[i];
// It's white anyway, so we only look at one channel of each pixel.
int a1 = (c & 0x0000000F) >> 0;
int a2 = (c & 0x000F0000) >> 16;
u8 cval = (a2 << 4) | a1;
ramPtr[i] = cval;
}
if (atlasPtr != 0) {
atlasHash = XXH3_64bits(ramPtr, atlasSize);
NotifyMemInfo(MemBlockFlags::WRITE, atlasPtr, atlasSize, "PPGe Atlas");
}
free(imageData[0]);
// We can't create it here, because Android needs it on the right thread.
// Avoid creating ever on headless just to be safe.
textDrawerInited = PSP_CoreParameter().headLess;
textDrawer = nullptr;
textDrawerImages.clear();
atlasRequiresReset = false;
INFO_LOG(Log::sceGe, "PPGe drawing library initialized. DL: %08x Data: %08x Atlas: %08x (%i) Args: %08x",
dlPtr, dataPtr, atlasPtr, atlasSize, listArgs.ptr);
}
void __PPGeDoState(PointerWrap &p)
{
auto s = p.Section("PPGeDraw", 1, 4);
if (!s)
return;
Do(p, atlasPtr);
Do(p, atlasWidth);
Do(p, atlasHeight);
Do(p, palette);
// If the atlas the save state was created with differs from the current one, reload.
uint64_t savedHash = atlasHash;
if (s >= 4) {
Do(p, savedHash);
} else {
// Memory was already updated by this point, so check directly.
if (atlasPtr != 0) {
savedHash = XXH3_64bits(Memory::GetPointerRange(atlasPtr, atlasWidth * atlasHeight / 2), atlasWidth * atlasHeight / 2);
} else {
savedHash ^= 1;
}
}
atlasRequiresReset = savedHash != atlasHash;
Do(p, savedContextPtr);
Do(p, savedContextSize);
if (s == 1) {
listArgs = 0;
} else {
Do(p, listArgs);
}
if (s >= 3) {
uint32_t sz = (uint32_t)textDrawerImages.size();
Do(p, sz);
switch (p.mode) {
case PointerWrap::MODE_READ:
textDrawerImages.clear();
for (uint32_t i = 0; i < sz; ++i) {
// We only care about the pointers, so we can free them. We'll decimate right away.
PPGeTextDrawerCacheKey key{ StringFromFormat("__savestate__%d", i), -1, -1 };
textDrawerImages[key] = PPGeTextDrawerImage{};
Do(p, textDrawerImages[key].ptr);
}
break;
default:
for (const auto &im : textDrawerImages) {
Do(p, im.second.ptr);
}
break;
}
} else {
textDrawerImages.clear();
}
Do(p, dlPtr);
Do(p, dlWritePtr);
Do(p, dlSize);
Do(p, dataPtr);
Do(p, dataWritePtr);
Do(p, dataSize);
Do(p, vertexStart);
Do(p, vertexCount);
Do(p, char_lines);
Do(p, char_lines_metrics);
}
void __PPGeShutdown()
{
if (atlasPtr)
kernelMemory.Free(atlasPtr);
if (dataPtr)
kernelMemory.Free(dataPtr);
if (dlPtr)
kernelMemory.Free(dlPtr);
if (listArgs.IsValid())
kernelMemory.Free(listArgs.ptr);
if (savedContextPtr)
kernelMemory.Free(savedContextPtr);
if (palette)
kernelMemory.Free(palette.ptr);
atlasPtr = 0;
dataPtr = 0;
dlPtr = 0;
savedContextPtr = 0;
listArgs = 0;
delete textDrawer;
textDrawer = nullptr;
for (auto im : textDrawerImages)
kernelMemory.Free(im.second.ptr);
textDrawerImages.clear();
}
void PPGeBegin()
{
if (!dlPtr)
return;
// Reset write pointers to start of command and data buffers.
dlWritePtr = dlPtr;
dataWritePtr = dataPtr;
// Set up the correct states for UI drawing
WriteCmd(GE_CMD_OFFSETADDR, 0);
WriteCmd(GE_CMD_ALPHABLENDENABLE, 1);
WriteCmd(GE_CMD_BLENDMODE, 2 | (3 << 4));
WriteCmd(GE_CMD_ALPHATESTENABLE, 0);
WriteCmd(GE_CMD_COLORTESTENABLE, 0);
WriteCmd(GE_CMD_ZTESTENABLE, 0);
WriteCmd(GE_CMD_LIGHTINGENABLE, 0);
WriteCmd(GE_CMD_FOGENABLE, 0);
WriteCmd(GE_CMD_STENCILTESTENABLE, 0);
WriteCmd(GE_CMD_CULLFACEENABLE, 0);
WriteCmd(GE_CMD_CLEARMODE, 0); // Normal mode
WriteCmd(GE_CMD_MASKRGB, 0);
WriteCmd(GE_CMD_MASKALPHA, 0);
WriteCmd(GE_CMD_DITHERENABLE, 0);
PPGeSetDefaultTexture();
PPGeScissor(0, 0, 480, 272);
WriteCmd(GE_CMD_MINZ, 0);
WriteCmd(GE_CMD_MAXZ, 0xFFFF);
// Through mode, so we don't have to bother with matrices
if (g_RemasterMode) {
WriteCmd(GE_CMD_VERTEXTYPE, GE_VTYPE_TC_FLOAT | GE_VTYPE_COL_8888 | GE_VTYPE_POS_FLOAT | GE_VTYPE_THROUGH);
} else {
WriteCmd(GE_CMD_VERTEXTYPE, GE_VTYPE_TC_16BIT | GE_VTYPE_COL_8888 | GE_VTYPE_POS_FLOAT | GE_VTYPE_THROUGH);
}
}
void PPGeEnd()
{
if (!dlPtr)
return;
WriteCmd(GE_CMD_FINISH, 0);
WriteCmd(GE_CMD_END, 0);
// Might've come from an old savestate.
__PPGeSetupListArgs();
if (dataWritePtr > dataPtr) {
// We actually drew something
gpu->EnableInterrupts(false);
NotifyMemInfo(MemBlockFlags::WRITE, dlPtr, dlWritePtr - dlPtr, "PPGe ListCmds");
u32 list = hleCall(sceGe_user, u32, sceGeListEnQueue, dlPtr, dlWritePtr, -1, listArgs.ptr);
DEBUG_LOG(Log::sceGe, "PPGe enqueued display list %i", list);
gpu->EnableInterrupts(true);
}
}
void PPGeScissor(int x1, int y1, int x2, int y2) {
_dbg_assert_(x1 >= 0 && x1 <= 480 && x2 >= 0 && x2 <= 480);
_dbg_assert_(y1 >= 0 && y1 <= 272 && y2 >= 0 && y2 <= 272);
WriteCmd(GE_CMD_SCISSOR1, (y1 << 10) | x1);
WriteCmd(GE_CMD_SCISSOR2, ((y2 - 1) << 10) | (x2 - 1));
}
void PPGeScissorReset() {
PPGeScissor(0, 0, 480, 272);
}
static const AtlasChar *PPGeGetChar(const AtlasFont &atlasfont, unsigned int cval)
{
const AtlasChar *c = atlasfont.getChar(cval);
if (c == NULL) {
// Try to use a replacement character, these come from the below table.
// http://unicode.org/cldr/charts/supplemental/character_fallback_substitutions.html
switch (cval) {
case 0x00A0: // NO-BREAK SPACE
case 0x2000: // EN QUAD
case 0x2001: // EM QUAD
case 0x2002: // EN SPACE
case 0x2003: // EM SPACE
case 0x2004: // THREE-PER-EM SPACE
case 0x2005: // FOUR-PER-EM SPACE
case 0x2006: // SIX-PER-EM SPACE
case 0x2007: // FIGURE SPACE
case 0x2008: // PUNCTUATION SPACE
case 0x2009: // THIN SPACE
case 0x200A: // HAIR SPACE
case 0x202F: // NARROW NO-BREAK SPACE
case 0x205F: // MEDIUM MATHEMATICAL
case 0x3000: // IDEOGRAPHIC SPACE
c = atlasfont.getChar(0x0020);
break;
default:
c = atlasfont.getChar(0xFFFD);
break;
}
if (c == NULL)
c = atlasfont.getChar('?');
}
return c;
}
// Break a single text string into mutiple lines.
static AtlasTextMetrics BreakLines(std::string_view text, const AtlasFont &atlasfont, float x, float y,
PPGeAlign align, float scale, float lineHeightScale, int wrapType, float wrapWidth, bool dryRun)
{
y += atlasfont.ascend * scale;
float sx = x, sy = y;
// TODO: Can we wrap it smartly on the screen edge?
if (wrapWidth <= 0) {
wrapWidth = 480.f;
}
// used for replacing with ellipses
float wrapCutoff = 8.0f;
const AtlasChar *dot = PPGeGetChar(atlasfont, '.');
if (dot) {
wrapCutoff = dot->wx * scale * 3.0f;
}
float threshold = sx + wrapWidth - wrapCutoff;
//const float wrapGreyZone = 2.0f; // Grey zone for punctuations at line ends
int numLines = 1;
float maxw = 0;
float lineHeight = atlasfont.height * lineHeightScale;
for (UTF8 utf(text); !utf.end(); )
{
float lineWidth = 0;
bool skipRest = false;
while (!utf.end())
{
UTF8 utfWord(utf);
float nextWidth = 0;
float spaceWidth = 0;
int numChars = 0;
bool finished = false;
while (!utfWord.end() && !finished)
{
UTF8 utfPrev = utfWord;
u32 cval = utfWord.next();
const AtlasChar *ch = PPGeGetChar(atlasfont, cval);
if (!ch) {
continue;
}
switch (cval) {
// TODO: This list of punctuation is very incomplete.
case ',':
case '.':
case ':':
case '!':
case ')':
case '?':
case 0x3001: // IDEOGRAPHIC COMMA
case 0x3002: // IDEOGRAPHIC FULL STOP
case 0x06D4: // ARABIC FULL STOP
case 0xFF01: // FULLWIDTH EXCLAMATION MARK
case 0xFF09: // FULLWIDTH RIGHT PARENTHESIS
case 0xFF1F: // FULLWIDTH QUESTION MARK
// Count this character (punctuation is so clingy), but then we're done.
++numChars;
nextWidth += ch->wx * scale;
finished = true;
break;
case ' ':
case 0x3000: // IDEOGRAPHIC SPACE
spaceWidth += ch->wx * scale;
finished = true;
break;
case '\t':
case '\r':
case '\n':
// Ignore this character and we're done.
finished = true;
break;
default:
{
// CJK characters can be wrapped more freely.
bool isCJK = (cval >= 0x1100 && cval <= 0x11FF); // Hangul Jamo.
isCJK = isCJK || (cval >= 0x2E80 && cval <= 0x2FFF); // Kangxi Radicals etc.
#if 0
isCJK = isCJK || (cval >= 0x3040 && cval <= 0x31FF); // Hiragana, Katakana, Hangul Compatibility Jamo etc.
isCJK = isCJK || (cval >= 0x3200 && cval <= 0x32FF); // CJK Enclosed
isCJK = isCJK || (cval >= 0x3300 && cval <= 0x33FF); // CJK Compatibility
isCJK = isCJK || (cval >= 0x3400 && cval <= 0x4DB5); // CJK Unified Ideographs Extension A
#else
isCJK = isCJK || (cval >= 0x3040 && cval <= 0x4DB5); // Above collapsed
#endif
isCJK = isCJK || (cval >= 0x4E00 && cval <= 0x9FBB); // CJK Unified Ideographs
isCJK = isCJK || (cval >= 0xAC00 && cval <= 0xD7AF); // Hangul Syllables
isCJK = isCJK || (cval >= 0xF900 && cval <= 0xFAD9); // CJK Compatibility Ideographs
isCJK = isCJK || (cval >= 0x20000 && cval <= 0x2A6D6); // CJK Unified Ideographs Extension B
isCJK = isCJK || (cval >= 0x2F800 && cval <= 0x2FA1D); // CJK Compatibility Supplement
if (isCJK) {
if (numChars > 0) {
utfWord = utfPrev;
finished = true;
break;
}
}
}
++numChars;
nextWidth += ch->wx * scale;
break;
}
}
bool useEllipsis = false;
if (wrapType > 0)
{
if (lineWidth + nextWidth > wrapWidth || skipRest)
{
if (wrapType & PPGE_LINE_WRAP_WORD) {
// TODO: Should check if we have had at least one other word instead.
if (lineWidth > 0) {
++numLines;
break;
}
}
if (wrapType & PPGE_LINE_USE_ELLIPSIS) {
useEllipsis = true;
if (skipRest) {
numChars = 0;
} else if (nextWidth < wrapCutoff) {
// The word is too short, so just backspace!
x = threshold;
}
nextWidth = 0;
spaceWidth = 0;
lineWidth = wrapWidth;
}
}
}
for (int i = 0; i < numChars; ++i)
{
u32 cval = utf.next();
const AtlasChar *c = PPGeGetChar(atlasfont, cval);
if (c)
{
if (useEllipsis && x >= threshold && dot)
{
if (!dryRun)
{
AtlasCharVertex cv;
// Replace the following part with an ellipsis.
cv.x = x + dot->ox * scale;
cv.y = y + dot->oy * scale;
cv.c = dot;
char_one_line.push_back(cv);
cv.x += dot->wx * scale;
char_one_line.push_back(cv);
cv.x += dot->wx * scale;
char_one_line.push_back(cv);
}
skipRest = true;
break;
}
if (!dryRun)
{
AtlasCharVertex cv;
cv.x = x + c->ox * scale;
cv.y = y + c->oy * scale;
cv.c = c;
char_one_line.push_back(cv);
}
x += c->wx * scale;
}
}
lineWidth += nextWidth;
u32 cval = utf.end() ? 0 : utf.next();
if (spaceWidth > 0)
{
if (!dryRun)
{
// No need to check c.
const AtlasChar *c = PPGeGetChar(atlasfont, cval);
AtlasCharVertex cv;
cv.x = x + c->ox * scale;
cv.y = y + c->oy * scale;
cv.c = c;
char_one_line.push_back(cv);
}
x += spaceWidth;
lineWidth += spaceWidth;
if (wrapType > 0 && lineWidth > wrapWidth) {
lineWidth = wrapWidth;
}
}
else if (cval == '\n') {
++numLines;
break;
}
utf = utfWord;
}
y += lineHeight;
x = sx;
if (lineWidth > maxw) {
maxw = lineWidth;
}
if (!dryRun)
{
char_lines.push_back(char_one_line);
char_one_line.clear();
}
}
const float w = maxw;
const float h = (float)numLines * lineHeight;
if (align & PPGeAlign::ANY) {
if (!dryRun) {
for (auto i = char_lines.begin(); i != char_lines.end(); ++i) {
for (auto j = i->begin(); j != i->end(); ++j) {
if (align & PPGeAlign::BOX_HCENTER) j->x -= w / 2.0f;
else if (align & PPGeAlign::BOX_RIGHT) j->x -= w;
if (align & PPGeAlign::BOX_VCENTER) j->y -= h / 2.0f;
else if (align & PPGeAlign::BOX_BOTTOM) j->y -= h;
}
}
}
if (align & PPGeAlign::BOX_HCENTER) sx -= w / 2.0f;
else if (align & PPGeAlign::BOX_RIGHT) sx -= w;
if (align & PPGeAlign::BOX_VCENTER) sy -= h / 2.0f;
else if (align & PPGeAlign::BOX_BOTTOM) sy -= h;
}
AtlasTextMetrics metrics = { sx, sy, w, lineHeight, scale, numLines };
return metrics;
}
static bool HasTextDrawer() {
// We create this on first use so it's on the correct thread.
if (textDrawerInited) {
return textDrawer != nullptr;
}
// Should we pass a draw_? Yes! UWP requires it.
textDrawer = TextDrawer::Create(g_draw);
if (textDrawer) {
textDrawer->SetFontScale(1.0f, 1.0f);
textDrawer->SetForcedDPIScale(1.0f);
textDrawer->SetFont(g_Config.sFont.c_str(), 18, 0);
}
textDrawerInited = true;
return textDrawer != nullptr;
}
static std::string PPGeSanitizeText(std::string_view text) {
return SanitizeUTF8(text);
}
void PPGeMeasureText(float *w, float *h, std::string_view text, float scale, int WrapType, int wrapWidth) {
std::string s = PPGeSanitizeText(text);
if (HasTextDrawer()) {
float mw, mh;
textDrawer->SetFontScale(scale, scale);
int dtalign = (WrapType & PPGE_LINE_WRAP_WORD) ? FLAG_WRAP_TEXT : 0;
if (WrapType & PPGE_LINE_USE_ELLIPSIS)
dtalign |= FLAG_ELLIPSIZE_TEXT;
Bounds b(0, 0, wrapWidth <= 0 ? 480.0f : wrapWidth, 272.0f);
textDrawer->MeasureStringRect(s, b, &mw, &mh, dtalign);
if (w)
*w = mw;
if (h)
*h = mh;
return;
}
if (!g_ppge_atlas.IsMetadataLoaded() || g_ppge_atlas.num_fonts < 1) {
if (w)
*w = 0;
if (h)
*h = 0;
return;
}
const AtlasFont &atlasfont = g_ppge_atlas.fonts[0];
AtlasTextMetrics metrics = BreakLines(s.c_str(), atlasfont, 0, 0, PPGeAlign::BOX_TOP, scale, scale, WrapType, wrapWidth, true);
if (w) *w = metrics.maxWidth;
if (h) *h = metrics.lineHeight * metrics.numLines;
}
void PPGePrepareText(std::string_view text, float x, float y, PPGeAlign align, float scale, float lineHeightScale, int WrapType, int wrapWidth)
{
const AtlasFont &atlasfont = g_ppge_atlas.fonts[0];
if (!g_ppge_atlas.IsMetadataLoaded() || g_ppge_atlas.num_fonts < 1) {
return;
}
char_lines_metrics = BreakLines(text, atlasfont, x, y, align, scale, lineHeightScale, WrapType, wrapWidth, false);
}
static void PPGeResetCurrentText() {
char_one_line.clear();
char_lines.clear();
AtlasTextMetrics zeroBox = { 0 };
char_lines_metrics = zeroBox;
}
// Draws some text using the one font we have in the atlas.
void PPGeDrawCurrentText(u32 color) {
// If the atlas is larger than 512x512, need to use windows into it.
bool useTextureWindow = g_Config.bSoftwareRendering && (atlasWidth > 512 || atlasHeight > 512);
uint32_t texturePosX = 0;
uint32_t texturePosY = 0;
// Use half the available size just in case a character straddles a boundary.
const float textureMaxPosX = !useTextureWindow ? 1.0f : atlasWidth / 256.0f;
const float textureMaxPosY = !useTextureWindow ? 1.0f : atlasHeight / 256.0f;
// These are the actual scale used.
const float textureWindowW = !useTextureWindow ? atlasWidth : 512.0f;
const float textureWindowH = !useTextureWindow ? atlasHeight : 512.0f;
const float textureScaleX = !useTextureWindow ? 1.0f : atlasWidth / 512.0f;
const float textureScaleY = !useTextureWindow ? 1.0f : atlasWidth / 512.0f;
if (dlPtr) {
float scale = char_lines_metrics.scale;
if (useTextureWindow) {
WriteCmd(GE_CMD_TEXWRAP, 0);
WriteCmd(GE_CMD_TEXSIZE0, 9 | (9 << 8));
}
BeginVertexData();
for (auto i = char_lines.begin(); i != char_lines.end(); ++i) {
for (auto j = i->begin(); j != i->end(); ++j) {
const AtlasChar &c = *j->c;
int wantedPosX = (int)floorf(c.sx * textureMaxPosX);
int wantedPosY = (int)floorf(c.sy * textureMaxPosY);
if (useTextureWindow && (wantedPosX != texturePosX || wantedPosY != texturePosY)) {
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
uint32_t offset = atlasWidth * wantedPosY * 256 + wantedPosX * 256;
WriteCmd(GE_CMD_TEXADDR0, (atlasPtr & 0xFFFFF0) + offset / 2);
texturePosX = wantedPosX;
texturePosY = wantedPosY;
BeginVertexData();
}
float sx = (c.sx - texturePosX / textureMaxPosX) * textureScaleX;
float sy = (c.sy - texturePosY / textureMaxPosY) * textureScaleY;
float ex = (c.ex - texturePosX / textureMaxPosX) * textureScaleX;
float ey = (c.ey - texturePosY / textureMaxPosY) * textureScaleY;
float cx1 = j->x;
float cy1 = j->y;
float cx2 = cx1 + c.pw * scale;
float cy2 = cy1 + c.ph * scale;
Vertex(cx1, cy1, sx, sy, textureWindowW, textureWindowH, color);
Vertex(cx2, cy2, ex, ey, textureWindowW, textureWindowH, color);
}
}
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
PPGeResetCurrentText();
if (useTextureWindow) {
PPGeSetDefaultTexture();
}
}
// Return a value such that (1 << value) >= x
inline int GetPow2(int x) {
int ret = 31 - clz32_nonzero(x | 1);
if ((1 << ret) < x)
ret++;
return ret;
}
static PPGeTextDrawerImage PPGeGetTextImage(std::string_view text, const PPGeStyle &style, float maxWidth, bool wrap) {
int tdalign = 0;
tdalign |= FLAG_ELLIPSIZE_TEXT;
if (wrap) {
tdalign |= FLAG_WRAP_TEXT;
}
PPGeTextDrawerCacheKey key{ std::string(text), tdalign, maxWidth / style.scale };
PPGeTextDrawerImage im{};
auto cacheItem = textDrawerImages.find(key);
if (cacheItem != textDrawerImages.end()) {
im = cacheItem->second;
cacheItem->second.entry.lastUsedFrame = gpuStats.numFlips;
} else {
std::vector<uint8_t> bitmapData;
textDrawer->SetFontScale(style.scale, style.scale);
Bounds b(0, 0, maxWidth, 272.0f);
std::string cleaned = ReplaceAll(text, "\r", "");
textDrawer->DrawStringBitmapRect(bitmapData, im.entry, Draw::DataFormat::R8_UNORM, cleaned.c_str(), b, tdalign, false);
int bufwBytes = ((im.entry.bmWidth + 31) / 32) * 16;
u32 sz = bufwBytes * (im.entry.bmHeight + 1);
u32 origSz = sz;
im.ptr = __PPGeDoAlloc(sz, true, "PPGeText");
if (bitmapData.size() & 1)
bitmapData.resize(bitmapData.size() + 1);
if (im.ptr) {
int wBytes = (im.entry.bmWidth + 1) / 2;
u8 *ramPtr = Memory::GetPointerWriteRange(im.ptr, sz);
for (int y = 0; y < im.entry.bmHeight; ++y) {
for (int x = 0; x < wBytes; ++x) {
uint8_t c1 = bitmapData[y * im.entry.bmWidth + x * 2];
uint8_t c2 = bitmapData[y * im.entry.bmWidth + x * 2 + 1];
// Convert this to 4-bit palette values.
ramPtr[y * bufwBytes + x] = (c2 & 0xF0) | (c1 >> 4);
}
if (bufwBytes != wBytes) {
memset(ramPtr + y * bufwBytes + wBytes, 0, bufwBytes - wBytes);
}
}
memset(ramPtr + im.entry.bmHeight * bufwBytes, 0, bufwBytes + sz - origSz);
}
im.entry.lastUsedFrame = gpuStats.numFlips;
textDrawerImages[key] = im;
}
return im;
}
static void PPGeDrawTextImage(const PPGeTextDrawerImage &im, float x, float y, const PPGeStyle &style) {
if (!im.ptr) {
return;
}
// Sometimes our texture can be larger than 512 wide, which means we need to tile it.
int bufw = ((im.entry.bmWidth + 31) / 32) * 32;
int tile1bmWidth = std::min(512, im.entry.bmWidth);
int tile2bmWidth = tile1bmWidth == 512 ? im.entry.bmWidth - 512 : 0;
bool hasTile2 = tile2bmWidth != 0;
// Now figure the tile shift value.
int tile1wp2 = GetPow2(tile1bmWidth);
int tile2wp2 = hasTile2 ? GetPow2(tile2bmWidth) : 0;
int hp2 = GetPow2(im.entry.bmHeight);
WriteCmd(GE_CMD_TEXADDR0, im.ptr & 0xFFFFF0);
WriteCmd(GE_CMD_TEXBUFWIDTH0, bufw | ((im.ptr & 0xFF000000) >> 8));
WriteCmd(GE_CMD_TEXSIZE0, tile1wp2 | (hp2 << 8));
WriteCmd(GE_CMD_TEXFLUSH, 0);
float w = im.entry.width * style.scale;
float h = im.entry.height * style.scale;
if (style.align & PPGeAlign::BOX_HCENTER)
x -= w / 2.0f;
else if (style.align & PPGeAlign::BOX_RIGHT)
x -= w;
if (style.align & PPGeAlign::BOX_VCENTER)
y -= h / 2.0f;
else if (style.align & PPGeAlign::BOX_BOTTOM)
y -= h;
BeginVertexData();
float tile2x = 512 * style.scale;
float tile1w = hasTile2 ? 512.0f * style.scale : w;
float tile2w = hasTile2 ? w - tile1w : 0.0f;
float tile1u1 = hasTile2 ? 1.0f : (float)im.entry.width / (1 << tile1wp2);
float tile2u1 = hasTile2 ? (float)(im.entry.width - 512) / (1 << tile2wp2) : 0.0f;
float v1 = (float)im.entry.height / (1 << hp2);
if (style.hasShadow) {
// Draw more shadows for a blurrier shadow.
u32 shadowColor = alphaMul(style.shadowColor, 0.35f);
for (float dy = 0.0f; dy <= 2.0f; dy += 1.0f) {
for (float dx = 0.0f; dx <= 1.0f; dx += 0.5f) {
if (dx == 0.0f && dy == 0.0f)
continue;