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ppsspp/Core/Util/PPGeDraw.cpp
Henrik Rydgård 87f203a5b8 More include untangling
2013-12-29 23:44:35 +01:00

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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>
#include "image/zim_load.h"
#include "image/png_load.h"
#include "util/text/utf8.h"
#include "Common/ChunkFile.h"
#include "Core/Host.h"
#include "GPU/ge_constants.h"
#include "GPU/GPUState.h"
#include "GPU/GPUInterface.h"
#include "Core/FileSystems/MetaFileSystem.h"
#include "Core/Util/PPGeDraw.h"
#include "Core/HLE/sceKernel.h"
#include "Core/HLE/sceKernelMemory.h"
#include "Core/HLE/sceGe.h"
#include "Core/MemMap.h"
#include "Core/System.h"
static u32 atlasPtr;
static int atlasWidth;
static int atlasHeight;
struct PPGeVertex {
u16_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 formating 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;
//only 0xFFFFFF of data is used
static void WriteCmd(u8 cmd, u32 data) {
Memory::Write_U32((cmd << 24) | (data & 0xFFFFFF), dlWritePtr);
dlWritePtr += 4;
}
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)
{
PPGeVertex vtx;
vtx.x = x - 0.5f; vtx.y = y - 0.5f; vtx.z = 0;
vtx.u = u * tw - 0.5f; vtx.v = v * th - 0.5f;
vtx.color = color;
Memory::WriteStruct(dataWritePtr, &vtx);
vertexCount++;
dataWritePtr += sizeof(vtx);
}
static void EndVertexDataAndDraw(int prim) {
WriteCmdAddrWithBase(GE_CMD_VADDR, vertexStart);
WriteCmd(GE_CMD_PRIM, (prim << 16) | vertexCount);
}
static u32 __PPGeDoAlloc(u32 &size, bool fromTop, const char *name) {
u32 ptr = kernelMemory.Alloc(size, fromTop, name);
// Didn't get it.
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.
if (PSP_CoreParameter().gpuCore == GPU_NULL || host->ShouldSkipUI()) {
// Let's just not bother.
dlPtr = 0;
NOTICE_LOG(SCEGE, "Not initializing PPGe - GPU is NullGpu");
return;
}
u8 *imageData;
int width;
int height;
int flags;
if (!LoadZIM("ppge_atlas.zim", &width, &height, &flags, &imageData)) {
PanicAlert("Failed to load ppge_atlas.zim.\n\nPlace it in the directory \"assets\" under your PPSSPP directory.");
ERROR_LOG(SCEGE, "PPGe init failed - no atlas texture. PPGe stuff will not be drawn.");
return;
}
u32 atlasSize = height * width / 2; // it's a 4-bit paletted texture in ram
atlasWidth = width;
atlasHeight = height;
dlPtr = __PPGeDoAlloc(dlSize, false, "PPGe Display List");
dataPtr = __PPGeDoAlloc(dataSize, false, "PPGe Vertex Data");
__PPGeSetupListArgs();
atlasPtr = __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;
}
u16_le *imagePtr = (u16_le *)imageData;
u8 *ramPtr = (u8 *)Memory::GetPointer(atlasPtr);
// Palettize to 4-bit, the easy way.
for (int i = 0; i < width * height / 2; i++) {
u16 c1 = imagePtr[i*2];
u16 c2 = imagePtr[i*2+1];
int a1 = c1 & 0xF;
int a2 = c2 & 0xF;
u8 cval = (a2 << 4) | a1;
ramPtr[i] = cval;
}
free(imageData);
DEBUG_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, 2);
if (!s)
return;
p.Do(atlasPtr);
p.Do(atlasWidth);
p.Do(atlasHeight);
p.Do(palette);
p.Do(savedContextPtr);
p.Do(savedContextSize);
if (s == 1) {
listArgs = 0;
} else {
p.Do(listArgs);
}
p.Do(dlPtr);
p.Do(dlWritePtr);
p.Do(dlSize);
p.Do(dataPtr);
p.Do(dataWritePtr);
p.Do(dataSize);
p.Do(vertexStart);
p.Do(vertexCount);
p.Do(char_lines);
p.Do(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;
}
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);
PPGeSetDefaultTexture();
WriteCmd(GE_CMD_SCISSOR1, (0 << 10) | 0);
WriteCmd(GE_CMD_SCISSOR2, (271 << 10) | 479);
WriteCmd(GE_CMD_MINZ, 0);
WriteCmd(GE_CMD_MAXZ, 0xFFFF);
// Through mode, so we don't have to bother with matrices
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);
u32 list = sceGeListEnQueue(dlPtr, dlWritePtr, -1, listArgs.ptr);
DEBUG_LOG(SCEGE, "PPGe enqueued display list %i", list);
gpu->EnableInterrupts(true);
}
}
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(const char *text, const AtlasFont &atlasfont, float x, float y,
int align, float scale, 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 * scale;
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.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)
{
if (!dryRun)
{
for (auto i = char_lines.begin(); i != char_lines.end(); ++i)
{
for (auto j = i->begin(); j != i->end(); ++j)
{
if (align & PPGE_ALIGN_HCENTER) j->x -= w / 2.0f;
else if (align & PPGE_ALIGN_RIGHT) j->x -= w;
if (align & PPGE_ALIGN_VCENTER) j->y -= h / 2.0f;
else if (align & PPGE_ALIGN_BOTTOM) j->y -= h;
}
}
}
if (align & PPGE_ALIGN_HCENTER) sx -= w / 2.0f;
else if (align & PPGE_ALIGN_RIGHT) sx -= w;
if (align & PPGE_ALIGN_VCENTER) sy -= h / 2.0f;
else if (align & PPGE_ALIGN_BOTTOM) sy -= h;
}
AtlasTextMetrics metrics = { sx, sy, w, lineHeight, scale, numLines };
return metrics;
}
void PPGeMeasureText(float *w, float *h, int *n,
const char *text, float scale, int WrapType, int wrapWidth)
{
const AtlasFont &atlasfont = *ppge_atlas.fonts[0];
AtlasTextMetrics metrics = BreakLines(text, atlasfont, 0, 0, 0, scale, WrapType, wrapWidth, true);
if (w) *w = metrics.maxWidth;
if (h) *h = metrics.lineHeight;
if (n) *n = metrics.numLines;
}
void PPGePrepareText(const char *text, float x, float y, int align, float scale, int WrapType, int wrapWidth)
{
const AtlasFont &atlasfont = *ppge_atlas.fonts[0];
char_lines_metrics = BreakLines(text, atlasfont, x, y, align, scale, WrapType, wrapWidth, false);
}
void PPGeMeasureCurrentText(float *x, float *y, float *w, float *h, int *n)
{
if (x) *x = char_lines_metrics.x;
if (y) *y = char_lines_metrics.y;
if (w) *w = char_lines_metrics.maxWidth;
if (h) *h = char_lines_metrics.lineHeight;
if (n) *n = char_lines_metrics.numLines;
}
// Draws some text using the one font we have.
// Mostly rewritten.
void PPGeDrawCurrentText(u32 color)
{
if (dlPtr)
{
float scale = char_lines_metrics.scale;
BeginVertexData();
for (auto i = char_lines.begin(); i != char_lines.end(); ++i)
{
for (auto j = i->begin(); j != i->end(); ++j)
{
float cx1 = j->x;
float cy1 = j->y;
const AtlasChar &c = *j->c;
float cx2 = cx1 + c.pw * scale;
float cy2 = cy1 + c.ph * scale;
Vertex(cx1, cy1, c.sx, c.sy, atlasWidth, atlasHeight, color);
Vertex(cx2, cy2, c.ex, c.ey, atlasWidth, atlasHeight, color);
}
}
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
char_one_line.clear();
char_lines.clear();
AtlasTextMetrics zeroBox = { 0 };
char_lines_metrics = zeroBox;
}
void PPGeDrawText(const char *text, float x, float y, int align, float scale, u32 color)
{
PPGePrepareText(text, x, y, align, scale, PPGE_LINE_USE_ELLIPSIS);
PPGeDrawCurrentText(color);
}
void PPGeDrawTextWrapped(const char *text, float x, float y, float wrapWidth, int align, float scale, u32 color)
{
PPGePrepareText(text, x, y, align, scale, PPGE_LINE_USE_ELLIPSIS | PPGE_LINE_WRAP_WORD, wrapWidth);
PPGeDrawCurrentText(color);
}
// Draws a "4-patch" for button-like things that can be resized
void PPGeDraw4Patch(int atlasImage, float x, float y, float w, float h, u32 color)
{
if (!dlPtr)
return;
const AtlasImage &img = ppge_images[atlasImage];
float borderx = img.w / 20;
float bordery = img.h / 20;
float u1 = img.u1, uhalf = (img.u1 + img.u2) / 2, u2 = img.u2;
float v1 = img.v1, vhalf = (img.v1 + img.v2) / 2, v2 = img.v2;
float xmid1 = x + borderx;
float xmid2 = x + w - borderx;
float ymid1 = y + bordery;
float ymid2 = y + h - bordery;
float x2 = x + w;
float y2 = y + h;
BeginVertexData();
// Top row
Vertex(x, y, u1, v1, atlasWidth, atlasHeight, color);
Vertex(xmid1, ymid1, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid1, y, uhalf, v1, atlasWidth, atlasHeight, color);
Vertex(xmid2, ymid1, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid2, y, uhalf, v1, atlasWidth, atlasHeight, color);
Vertex(x2, ymid1, u2, vhalf, atlasWidth, atlasHeight, color);
// Middle row
Vertex(x, ymid1, u1, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid1, ymid2, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid1, ymid1, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid2, ymid2, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid2, ymid1, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(x2, ymid2, u2, v2, atlasWidth, atlasHeight, color);
// Bottom row
Vertex(x, ymid2, u1, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid1, y2, uhalf, v2, atlasWidth, atlasHeight, color);
Vertex(xmid1, ymid2, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(xmid2, y2, uhalf, v2, atlasWidth, atlasHeight, color);
Vertex(xmid2, ymid2, uhalf, vhalf, atlasWidth, atlasHeight, color);
Vertex(x2, y2, u2, v2, atlasWidth, atlasHeight, color);
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
void PPGeDrawRect(float x1, float y1, float x2, float y2, u32 color)
{
if (!dlPtr)
return;
WriteCmd(GE_CMD_TEXTUREMAPENABLE, 0);
BeginVertexData();
Vertex(x1, y1, 0, 0, 0, 0, color);
Vertex(x2, y2, 0, 0, 0, 0, color);
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
WriteCmd(GE_CMD_TEXTUREMAPENABLE, 1);
}
// Just blits an image to the screen, multiplied with the color.
void PPGeDrawImage(int atlasImage, float x, float y, int align, u32 color)
{
if (!dlPtr)
return;
const AtlasImage &img = ppge_atlas.images[atlasImage];
float w = img.w;
float h = img.h;
BeginVertexData();
Vertex(x, y, img.u1, img.v1, atlasWidth, atlasHeight, color);
Vertex(x + w, y + h, img.u2, img.v2, atlasWidth, atlasHeight, color);
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
void PPGeDrawImage(int atlasImage, float x, float y, float w, float h, int align, u32 color)
{
if (!dlPtr)
return;
const AtlasImage &img = ppge_atlas.images[atlasImage];
BeginVertexData();
Vertex(x, y, img.u1, img.v1, atlasWidth, atlasHeight, color);
Vertex(x + w, y + h, img.u2, img.v2, atlasWidth, atlasHeight, color);
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
void PPGeDrawImage(float x, float y, float w, float h, float u1, float v1, float u2, float v2, int tw, int th, u32 color)
{
if (!dlPtr)
return;
BeginVertexData();
Vertex(x, y, u1, v1, tw, th, color);
Vertex(x + w, y + h, u2, v2, tw, th, color);
EndVertexDataAndDraw(GE_PRIM_RECTANGLES);
}
// Return a value such that (1 << value) >= x
int GetPow2(int x)
{
#ifdef __GNUC__
int ret = 31 - __builtin_clz(x|1);
if ((1 << ret) < x)
#else
int ret = 0;
while ((1 << ret) < x)
#endif
ret++;
return ret;
}
void PPGeSetDefaultTexture()
{
WriteCmd(GE_CMD_TEXTUREMAPENABLE, 1);
int wp2 = GetPow2(atlasWidth);
int hp2 = GetPow2(atlasHeight);
WriteCmd(GE_CMD_CLUTADDR, palette.ptr & 0xFFFFF0);
WriteCmd(GE_CMD_CLUTADDRUPPER, (palette.ptr & 0xFF000000) >> 8);
WriteCmd(GE_CMD_CLUTFORMAT, 0x00FF02);
WriteCmd(GE_CMD_LOADCLUT, 2);
WriteCmd(GE_CMD_TEXSIZE0, wp2 | (hp2 << 8));
WriteCmd(GE_CMD_TEXMAPMODE, 0 | (1 << 8));
WriteCmd(GE_CMD_TEXMODE, 0);
WriteCmd(GE_CMD_TEXFORMAT, GE_TFMT_CLUT4); // 4-bit CLUT
WriteCmd(GE_CMD_TEXFILTER, (1 << 8) | 1); // mag = LINEAR min = LINEAR
WriteCmd(GE_CMD_TEXWRAP, (1 << 8) | 1); // clamp texture wrapping
WriteCmd(GE_CMD_TEXFUNC, (0 << 16) | (1 << 8) | 0); // RGBA texture reads, modulate, no color doubling
WriteCmd(GE_CMD_TEXADDR0, atlasPtr & 0xFFFFF0);
WriteCmd(GE_CMD_TEXBUFWIDTH0, atlasWidth | ((atlasPtr & 0xFF000000) >> 8));
WriteCmd(GE_CMD_TEXFLUSH, 0);
}
void PPGeSetTexture(u32 dataAddr, int width, int height)
{
WriteCmd(GE_CMD_TEXTUREMAPENABLE, 1);
int wp2 = GetPow2(width);
int hp2 = GetPow2(height);
WriteCmd(GE_CMD_TEXSIZE0, wp2 | (hp2 << 8));
WriteCmd(GE_CMD_TEXMAPMODE, 0 | (1 << 8));
WriteCmd(GE_CMD_TEXMODE, 0);
WriteCmd(GE_CMD_TEXFORMAT, GE_TFMT_8888); // 4444
WriteCmd(GE_CMD_TEXFILTER, (1 << 8) | 1); // mag = LINEAR min = LINEAR
WriteCmd(GE_CMD_TEXWRAP, (1 << 8) | 1); // clamp texture wrapping
WriteCmd(GE_CMD_TEXFUNC, (0 << 16) | (1 << 8) | 0); // RGBA texture reads, modulate, no color doubling
WriteCmd(GE_CMD_TEXADDR0, dataAddr & 0xFFFFF0);
WriteCmd(GE_CMD_TEXBUFWIDTH0, width | ((dataAddr & 0xFF000000) >> 8));
WriteCmd(GE_CMD_TEXFLUSH, 0);
}
void PPGeDisableTexture()
{
WriteCmd(GE_CMD_TEXTUREMAPENABLE, 0);
}
std::vector<PPGeImage *> PPGeImage::loadedTextures_;
PPGeImage::PPGeImage(const std::string &pspFilename)
: filename_(pspFilename), texture_(0) {
}
PPGeImage::PPGeImage(u32 pngPointer, size_t pngSize)
: filename_(""), png_(pngPointer), size_(pngSize), texture_(0) {
}
PPGeImage::~PPGeImage() {
Free();
}
bool PPGeImage::Load() {
Free();
// In case it fails to load.
width_ = 0;
height_ = 0;
unsigned char *textureData;
int success;
if (filename_.empty()) {
success = pngLoadPtr(Memory::GetPointer(png_), size_, &width_, &height_, &textureData, false);
} else {
std::vector<u8> pngData;
if (pspFileSystem.ReadEntireFile(filename_, pngData) < 0) {
WARN_LOG(SCEGE, "Bad PPGeImage - cannot load file");
return false;
}
success = pngLoadPtr((const unsigned char *)&pngData[0], pngData.size(), &width_, &height_, &textureData, false);
}
if (!success) {
WARN_LOG(SCEGE, "Bad PPGeImage - not a valid png");
return false;
}
u32 texSize = width_ * height_ * 4;
texture_ = __PPGeDoAlloc(texSize, true, "Savedata Icon");
if (texture_ == 0) {
free(textureData);
WARN_LOG(SCEGE, "Bad PPGeImage - unable to allocate space for texture");
return false;
}
Memory::Memcpy(texture_, textureData, texSize);
free(textureData);
lastFrame_ = gpuStats.numFlips;
loadedTextures_.push_back(this);
return true;
}
void PPGeImage::Free() {
if (texture_ != 0) {
kernelMemory.Free(texture_);
texture_ = 0;
loadedTextures_.erase(std::remove(loadedTextures_.begin(), loadedTextures_.end(), this), loadedTextures_.end());
}
}
void PPGeImage::DoState(PointerWrap &p) {
auto s = p.Section("PPGeImage", 1);
if (!s)
return;
p.Do(filename_);
p.Do(png_);
p.Do(size_);
p.Do(texture_);
p.Do(width_);
p.Do(height_);
p.Do(lastFrame_);
}
void PPGeImage::CompatLoad(u32 texture, int width, int height) {
// Won't be reloadable, so don't add to loadedTextures_.
texture_ = texture;
width_ = width;
height_ = height;
}
void PPGeImage::Decimate() {
static const int TOO_OLD_AGE = 30;
int tooOldFrame = gpuStats.numFlips - TOO_OLD_AGE;
for (size_t i = 0; i < loadedTextures_.size(); ++i) {
if (loadedTextures_[i]->lastFrame_ < tooOldFrame) {
loadedTextures_[i]->Free();
// That altered loadedTextures_.
--i;
}
}
}
void PPGeImage::SetTexture() {
if (texture_ == 0) {
Decimate();
Load();
}
if (texture_ != 0) {
lastFrame_ = gpuStats.numFlips;
PPGeSetTexture(texture_, width_, height_);
} else {
PPGeDisableTexture();
}
}
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