mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 07:39:56 -06:00
476 lines
11 KiB
C++
476 lines
11 KiB
C++
/*
|
|
Copyright 2016-2023 melonDS team
|
|
|
|
This file is part of melonDS.
|
|
|
|
melonDS 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, either version 3 of the License, or (at your option)
|
|
any later version.
|
|
|
|
melonDS 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with melonDS. If not, see http://www.gnu.org/licenses/.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <deque>
|
|
#include <SDL2/SDL.h>
|
|
#include "../types.h"
|
|
|
|
#include "main.h"
|
|
#include "OpenGLSupport.h"
|
|
#include <QPainter>
|
|
|
|
#include "OSD.h"
|
|
#include "OSD_shaders.h"
|
|
#include "font.h"
|
|
|
|
#include "Config.h"
|
|
|
|
using namespace melonDS;
|
|
|
|
extern MainWindow* mainWindow;
|
|
|
|
namespace OSD
|
|
{
|
|
|
|
const u32 kOSDMargin = 6;
|
|
|
|
struct Item
|
|
{
|
|
Uint32 Timestamp;
|
|
char Text[256];
|
|
u32 Color;
|
|
|
|
u32 Width, Height;
|
|
u32* Bitmap;
|
|
|
|
bool NativeBitmapLoaded;
|
|
QImage NativeBitmap;
|
|
|
|
bool GLTextureLoaded;
|
|
GLuint GLTexture;
|
|
};
|
|
|
|
std::deque<Item> ItemQueue;
|
|
|
|
GLuint Shader[3];
|
|
GLint uScreenSize, uOSDPos, uOSDSize;
|
|
GLfloat uScaleFactor;
|
|
GLuint OSDVertexArray;
|
|
GLuint OSDVertexBuffer;
|
|
|
|
QMutex Rendering;
|
|
|
|
|
|
bool Init(bool openGL)
|
|
{
|
|
if (openGL)
|
|
{
|
|
OpenGL::BuildShaderProgram(kScreenVS_OSD, kScreenFS_OSD, Shader, "OSDShader");
|
|
|
|
GLuint pid = Shader[2];
|
|
glBindAttribLocation(pid, 0, "vPosition");
|
|
glBindFragDataLocation(pid, 0, "oColor");
|
|
|
|
OpenGL::LinkShaderProgram(Shader);
|
|
glUseProgram(pid);
|
|
glUniform1i(glGetUniformLocation(pid, "OSDTex"), 0);
|
|
|
|
uScreenSize = glGetUniformLocation(pid, "uScreenSize");
|
|
uOSDPos = glGetUniformLocation(pid, "uOSDPos");
|
|
uOSDSize = glGetUniformLocation(pid, "uOSDSize");
|
|
uScaleFactor = glGetUniformLocation(pid, "uScaleFactor");
|
|
|
|
float vertices[6*2] =
|
|
{
|
|
0, 0,
|
|
1, 1,
|
|
1, 0,
|
|
0, 0,
|
|
0, 1,
|
|
1, 1
|
|
};
|
|
|
|
glGenBuffers(1, &OSDVertexBuffer);
|
|
glBindBuffer(GL_ARRAY_BUFFER, OSDVertexBuffer);
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
|
|
|
|
glGenVertexArrays(1, &OSDVertexArray);
|
|
glBindVertexArray(OSDVertexArray);
|
|
glEnableVertexAttribArray(0); // position
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (void*)(0));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void DeInit()
|
|
{
|
|
for (auto it = ItemQueue.begin(); it != ItemQueue.end(); )
|
|
{
|
|
Item& item = *it;
|
|
|
|
if (item.GLTextureLoaded) glDeleteTextures(1, &item.GLTexture);
|
|
if (item.Bitmap) delete[] item.Bitmap;
|
|
|
|
it = ItemQueue.erase(it);
|
|
}
|
|
}
|
|
|
|
|
|
int FindBreakPoint(const char* text, int i)
|
|
{
|
|
// i = character that went out of bounds
|
|
|
|
for (int j = i; j >= 0; j--)
|
|
{
|
|
if (text[j] == ' ')
|
|
return j;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
void LayoutText(const char* text, u32* width, u32* height, int* breaks)
|
|
{
|
|
u32 w = 0;
|
|
u32 h = 14;
|
|
u32 totalw = 0;
|
|
u32 maxw = mainWindow->panelWidget->width() - (kOSDMargin*2);
|
|
int lastbreak = -1;
|
|
int numbrk = 0;
|
|
u16* ptr;
|
|
|
|
memset(breaks, 0, sizeof(int)*64);
|
|
|
|
for (int i = 0; text[i] != '\0'; )
|
|
{
|
|
int glyphsize;
|
|
if (text[i] == ' ')
|
|
{
|
|
glyphsize = 6;
|
|
}
|
|
else
|
|
{
|
|
u32 ch = text[i];
|
|
if (ch < 0x10 || ch > 0x7E) ch = 0x7F;
|
|
|
|
ptr = &font[(ch-0x10) << 4];
|
|
glyphsize = ptr[0];
|
|
if (!glyphsize) glyphsize = 6;
|
|
else glyphsize += 2; // space around the character
|
|
}
|
|
|
|
w += glyphsize;
|
|
if (w > maxw)
|
|
{
|
|
// wrap shit as needed
|
|
if (text[i] == ' ')
|
|
{
|
|
if (numbrk >= 64) break;
|
|
breaks[numbrk++] = i;
|
|
i++;
|
|
}
|
|
else
|
|
{
|
|
int brk = FindBreakPoint(text, i);
|
|
if (brk != lastbreak) i = brk;
|
|
|
|
if (numbrk >= 64) break;
|
|
breaks[numbrk++] = i;
|
|
|
|
lastbreak = brk;
|
|
}
|
|
|
|
w = 0;
|
|
h += 14;
|
|
}
|
|
else
|
|
i++;
|
|
|
|
if (w > totalw) totalw = w;
|
|
}
|
|
|
|
*width = totalw;
|
|
*height = h;
|
|
}
|
|
|
|
u32 RainbowColor(u32 inc)
|
|
{
|
|
// inspired from Acmlmboard
|
|
|
|
if (inc < 100) return 0xFFFF9B9B + (inc << 8);
|
|
else if (inc < 200) return 0xFFFFFF9B - ((inc-100) << 16);
|
|
else if (inc < 300) return 0xFF9BFF9B + (inc-200);
|
|
else if (inc < 400) return 0xFF9BFFFF - ((inc-300) << 8);
|
|
else if (inc < 500) return 0xFF9B9BFF + ((inc-400) << 16);
|
|
else return 0xFFFF9BFF - (inc-500);
|
|
}
|
|
|
|
void RenderText(u32 color, const char* text, Item* item)
|
|
{
|
|
u32 w, h;
|
|
int breaks[64];
|
|
|
|
bool rainbow = (color == 0);
|
|
u32 rainbowinc = ((text[0] * 17) + (SDL_GetTicks() * 13)) % 600;
|
|
|
|
color |= 0xFF000000;
|
|
const u32 shadow = 0xE0000000;
|
|
|
|
LayoutText(text, &w, &h, breaks);
|
|
|
|
item->Width = w;
|
|
item->Height = h;
|
|
item->Bitmap = new u32[w*h];
|
|
memset(item->Bitmap, 0, w*h*sizeof(u32));
|
|
|
|
u32 x = 0, y = 1;
|
|
u32 maxw = mainWindow->panelWidget->width() - (kOSDMargin*2);
|
|
int curline = 0;
|
|
u16* ptr;
|
|
|
|
for (int i = 0; text[i] != '\0'; )
|
|
{
|
|
int glyphsize;
|
|
if (text[i] == ' ')
|
|
{
|
|
x += 6;
|
|
}
|
|
else
|
|
{
|
|
u32 ch = text[i];
|
|
if (ch < 0x10 || ch > 0x7E) ch = 0x7F;
|
|
|
|
ptr = &font[(ch-0x10) << 4];
|
|
int glyphsize = ptr[0];
|
|
if (!glyphsize) x += 6;
|
|
else
|
|
{
|
|
x++;
|
|
|
|
if (rainbow)
|
|
{
|
|
color = RainbowColor(rainbowinc);
|
|
rainbowinc = (rainbowinc + 30) % 600;
|
|
}
|
|
|
|
// draw character
|
|
for (int cy = 0; cy < 12; cy++)
|
|
{
|
|
u16 val = ptr[4+cy];
|
|
|
|
for (int cx = 0; cx < glyphsize; cx++)
|
|
{
|
|
if (val & (1<<cx))
|
|
item->Bitmap[((y+cy) * w) + x+cx] = color;
|
|
}
|
|
}
|
|
|
|
x += glyphsize;
|
|
x++;
|
|
}
|
|
}
|
|
|
|
i++;
|
|
if (breaks[curline] && i >= breaks[curline])
|
|
{
|
|
i = breaks[curline++];
|
|
if (text[i] == ' ') i++;
|
|
|
|
x = 0;
|
|
y += 14;
|
|
}
|
|
}
|
|
|
|
// shadow
|
|
for (y = 0; y < h; y++)
|
|
{
|
|
for (x = 0; x < w; x++)
|
|
{
|
|
u32 val;
|
|
|
|
val = item->Bitmap[(y * w) + x];
|
|
if ((val >> 24) == 0xFF) continue;
|
|
|
|
if (x > 0) val = item->Bitmap[(y * w) + x-1];
|
|
if (x < w-1) val |= item->Bitmap[(y * w) + x+1];
|
|
if (y > 0)
|
|
{
|
|
if (x > 0) val |= item->Bitmap[((y-1) * w) + x-1];
|
|
val |= item->Bitmap[((y-1) * w) + x];
|
|
if (x < w-1) val |= item->Bitmap[((y-1) * w) + x+1];
|
|
}
|
|
if (y < h-1)
|
|
{
|
|
if (x > 0) val |= item->Bitmap[((y+1) * w) + x-1];
|
|
val |= item->Bitmap[((y+1) * w) + x];
|
|
if (x < w-1) val |= item->Bitmap[((y+1) * w) + x+1];
|
|
}
|
|
|
|
if ((val >> 24) == 0xFF)
|
|
item->Bitmap[(y * w) + x] = shadow;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void AddMessage(u32 color, const char* text)
|
|
{
|
|
if (!Config::ShowOSD) return;
|
|
|
|
Rendering.lock();
|
|
|
|
Item item;
|
|
|
|
item.Timestamp = SDL_GetTicks();
|
|
strncpy(item.Text, text, 255); item.Text[255] = '\0';
|
|
item.Color = color;
|
|
item.Bitmap = nullptr;
|
|
|
|
item.NativeBitmapLoaded = false;
|
|
item.GLTextureLoaded = false;
|
|
|
|
ItemQueue.push_back(item);
|
|
|
|
Rendering.unlock();
|
|
}
|
|
|
|
void Update()
|
|
{
|
|
if (!Config::ShowOSD)
|
|
{
|
|
Rendering.lock();
|
|
for (auto it = ItemQueue.begin(); it != ItemQueue.end(); )
|
|
{
|
|
Item& item = *it;
|
|
|
|
if (item.GLTextureLoaded) glDeleteTextures(1, &item.GLTexture);
|
|
if (item.Bitmap) delete[] item.Bitmap;
|
|
|
|
it = ItemQueue.erase(it);
|
|
}
|
|
Rendering.unlock();
|
|
return;
|
|
}
|
|
|
|
Rendering.lock();
|
|
|
|
Uint32 tick_now = SDL_GetTicks();
|
|
Uint32 tick_min = tick_now - 2500;
|
|
|
|
for (auto it = ItemQueue.begin(); it != ItemQueue.end(); )
|
|
{
|
|
Item& item = *it;
|
|
|
|
if (item.Timestamp < tick_min)
|
|
{
|
|
if (item.GLTextureLoaded) glDeleteTextures(1, &item.GLTexture);
|
|
if (item.Bitmap) delete[] item.Bitmap;
|
|
|
|
it = ItemQueue.erase(it);
|
|
continue;
|
|
}
|
|
|
|
if (!item.Bitmap)
|
|
{
|
|
RenderText(item.Color, item.Text, &item);
|
|
}
|
|
|
|
it++;
|
|
}
|
|
|
|
Rendering.unlock();
|
|
}
|
|
|
|
void DrawNative(QPainter& painter)
|
|
{
|
|
if (!Config::ShowOSD) return;
|
|
|
|
Rendering.lock();
|
|
|
|
u32 y = kOSDMargin;
|
|
|
|
painter.resetTransform();
|
|
|
|
for (auto it = ItemQueue.begin(); it != ItemQueue.end(); )
|
|
{
|
|
Item& item = *it;
|
|
|
|
if (!item.NativeBitmapLoaded)
|
|
{
|
|
item.NativeBitmap = QImage((const uchar*)item.Bitmap, item.Width, item.Height, QImage::Format_ARGB32_Premultiplied);
|
|
item.NativeBitmapLoaded = true;
|
|
}
|
|
|
|
painter.drawImage(kOSDMargin, y, item.NativeBitmap);
|
|
|
|
y += item.Height;
|
|
it++;
|
|
}
|
|
|
|
Rendering.unlock();
|
|
}
|
|
|
|
void DrawGL(float w, float h, float factor)
|
|
{
|
|
if (!Config::ShowOSD) return;
|
|
if (!mainWindow || !mainWindow->panel) return;
|
|
|
|
Rendering.lock();
|
|
|
|
u32 y = kOSDMargin;
|
|
|
|
glUseProgram(Shader[2]);
|
|
|
|
glUniform2f(uScreenSize, w, h);
|
|
glUniform1f(uScaleFactor, factor);
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, OSDVertexBuffer);
|
|
glBindVertexArray(OSDVertexArray);
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
for (auto it = ItemQueue.begin(); it != ItemQueue.end(); )
|
|
{
|
|
Item& item = *it;
|
|
|
|
if (!item.GLTextureLoaded)
|
|
{
|
|
glGenTextures(1, &item.GLTexture);
|
|
glBindTexture(GL_TEXTURE_2D, item.GLTexture);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, item.Width, item.Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, item.Bitmap);
|
|
|
|
item.GLTextureLoaded = true;
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, item.GLTexture);
|
|
glUniform2i(uOSDPos, kOSDMargin, y);
|
|
glUniform2i(uOSDSize, item.Width, item.Height);
|
|
glDrawArrays(GL_TRIANGLES, 0, 2*3);
|
|
|
|
y += item.Height;
|
|
it++;
|
|
}
|
|
|
|
glDisable(GL_BLEND);
|
|
glUseProgram(0);
|
|
|
|
Rendering.unlock();
|
|
}
|
|
|
|
}
|