integrate OSD into ScreenPanel and make it nicer

1 files changed, 0 insertions, 475 deletions

diff --git a/src/frontend/qt_sdl/OSD.cpp b/src/frontend/qt_sdl/OSD.cpp
deleted file mode 100644
index 3734b76..0000000
--- a/src/frontend/qt_sdl/OSD.cpp
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
-    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();
-}
-
-}