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-rw-r--r--src/resources/imagehelper.cpp471
1 files changed, 2 insertions, 469 deletions
diff --git a/src/resources/imagehelper.cpp b/src/resources/imagehelper.cpp
index 9ee52267e..a70889acd 100644
--- a/src/resources/imagehelper.cpp
+++ b/src/resources/imagehelper.cpp
@@ -25,11 +25,6 @@
#include "resources/dye.h"
#include "resources/resourcemanager.h"
-#ifdef USE_OPENGL
-#include "openglgraphics.h"
-#include "opengl1graphics.h"
-#endif
-
#include "client.h"
#include "logger.h"
#include "main.h"
@@ -43,14 +38,8 @@
#include "debug.h"
-#ifdef USE_OPENGL
-int ImageHelper::mUseOpenGL = 0;
-int ImageHelper::mTextureType = 0;
-int ImageHelper::mInternalTextureType = GL_RGBA8;
-int ImageHelper::mTextureSize = 0;
-bool ImageHelper::mBlur = true;
-#endif
-bool ImageHelper::mEnableAlphaCache = false;
+ImageHelper *imageHelper = nullptr;
+
bool ImageHelper::mEnableAlpha = true;
Resource *ImageHelper::load(SDL_RWops *rw)
@@ -69,198 +58,6 @@ Resource *ImageHelper::load(SDL_RWops *rw)
return image;
}
-Resource *ImageHelper::load(SDL_RWops *rw, Dye const &dye)
-{
- SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
-
- if (!tmpImage)
- {
- logger->log("Error, image load failed: %s", IMG_GetError());
- return nullptr;
- }
-
- SDL_Surface *surf = nullptr;
- SDL_PixelFormat rgba;
- rgba.palette = nullptr;
- rgba.BitsPerPixel = 32;
- rgba.BytesPerPixel = 4;
- rgba.colorkey = 0;
- rgba.alpha = 255;
- if (mUseOpenGL)
- {
- surf = convertTo32Bit(tmpImage);
- SDL_FreeSurface(tmpImage);
-
- Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
- DyePalette *pal = dye.getSPalete();
-
- if (pal)
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- Uint8 *p = (Uint8 *)pixels;
- const int alpha = *p & 255;
- if (!alpha)
- continue;
- pal->replaceOGLColor(p);
- }
- }
- else
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- const Uint32 p = *pixels;
- const int alpha = (p >> 24) & 255;
- if (!alpha)
- continue;
- int v[3];
- v[0] = (p) & 255;
- v[1] = (p >> 8) & 255;
- v[2] = (p >> 16 ) & 255;
- dye.update(v);
- *pixels = (v[0]) | (v[1] << 8) | (v[2] << 16) | (alpha << 24);
- }
- }
- }
- else
- {
- rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24;
- rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16;
- rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8;
- rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0;
-
- surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE);
- SDL_FreeSurface(tmpImage);
-
- Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
- DyePalette *pal = dye.getSPalete();
-
- if (pal)
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- Uint8 *p = (Uint8 *)pixels;
- const int alpha = *p & 255;
- if (!alpha)
- continue;
- pal->replaceColor(p + 1);
- }
- }
- else
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- const Uint32 p = *pixels;
- const int alpha = p & 255;
- if (!alpha)
- continue;
- int v[3];
- v[0] = (p >> 24) & 255;
- v[1] = (p >> 16) & 255;
- v[2] = (p >> 8 ) & 255;
- dye.update(v);
- *pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
- }
- }
- }
-
- Image *image = load(surf);
- SDL_FreeSurface(surf);
- return image;
-}
-
-Image *ImageHelper::load(SDL_Surface *tmpImage)
-{
-#ifdef USE_OPENGL
- if (mUseOpenGL)
- return _GLload(tmpImage);
-#endif
- return _SDLload(tmpImage);
-}
-
-Image *ImageHelper::createTextSurface(SDL_Surface *tmpImage, float alpha)
-{
- if (!tmpImage)
- return nullptr;
-
- Image *img;
-#ifdef USE_OPENGL
- if (mUseOpenGL)
- {
- img = _GLload(tmpImage);
- if (img)
- img->setAlpha(alpha);
- return img;
- }
-#endif
-
- bool hasAlpha = false;
- bool converted = false;
-
- const int sz = tmpImage->w * tmpImage->h;
-
- // The alpha channel to be filled with alpha values
- Uint8 *alphaChannel = new Uint8[sz];
-
- const SDL_PixelFormat * const fmt = tmpImage->format;
- if (fmt->Amask)
- {
- for (int i = 0; i < sz; ++ i)
- {
- Uint32 c = (static_cast<Uint32*>(tmpImage->pixels))[i];
-
- unsigned v = (c & fmt->Amask) >> fmt->Ashift;
- Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
-
- Uint8 a2 = static_cast<Uint8>(static_cast<float>(a) * alpha);
-
- c &= ~fmt->Amask;
- c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask);
- (static_cast<Uint32*>(tmpImage->pixels))[i] = c;
-
- if (a != 255)
- hasAlpha = true;
-
- alphaChannel[i] = a;
- }
- }
-
- SDL_Surface *image;
-
- // Convert the surface to the current display format
- if (hasAlpha)
- {
- image = SDL_DisplayFormatAlpha(tmpImage);
- }
- else
- {
- image = SDL_DisplayFormat(tmpImage);
-
- // We also delete the alpha channel since
- // it's not used.
- delete [] alphaChannel;
- alphaChannel = nullptr;
- }
-
- if (!image)
- {
- logger->log1("Error: Image convert failed.");
- delete [] alphaChannel;
- return nullptr;
- }
-
- if (converted)
- SDL_FreeSurface(tmpImage);
-
- img = new Image(image, hasAlpha, alphaChannel);
- img->mAlpha = alpha;
- return img;
-}
-
SDL_Surface* ImageHelper::convertTo32Bit(SDL_Surface* tmpImage)
{
if (!tmpImage)
@@ -301,261 +98,6 @@ SDL_Surface* ImageHelper::convertTo32Bit(SDL_Surface* tmpImage)
return SDL_ConvertSurface(tmpImage, &RGBAFormat, SDL_SWSURFACE);
}
-SDL_Surface* ImageHelper::SDLDuplicateSurface(SDL_Surface* tmpImage)
-{
- if (!tmpImage || !tmpImage->format)
- return nullptr;
-
- return SDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
-}
-
-Image *ImageHelper::_SDLload(SDL_Surface *tmpImage)
-{
- if (!tmpImage)
- return nullptr;
-
- bool hasAlpha = false;
- bool converted = false;
-
- if (tmpImage->format->BitsPerPixel != 32)
- {
- tmpImage = convertTo32Bit(tmpImage);
-
- if (!tmpImage)
- return nullptr;
- converted = true;
- }
-
- const int sz = tmpImage->w * tmpImage->h;
-
- // The alpha channel to be filled with alpha values
- Uint8 *alphaChannel = new Uint8[sz];
-
- // Figure out whether the image uses its alpha layer
- if (!tmpImage->format->palette)
- {
- const SDL_PixelFormat * const fmt = tmpImage->format;
- if (fmt->Amask)
- {
- for (int i = 0; i < sz; ++ i)
- {
- unsigned v = ((static_cast<Uint32*>(tmpImage->pixels))[i]
- & fmt->Amask) >> fmt->Ashift;
- Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
-
- if (a != 255)
- hasAlpha = true;
-
- alphaChannel[i] = a;
- }
- }
- else
- {
- if (SDL_ALPHA_OPAQUE != 255)
- {
- hasAlpha = true;
- memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
- }
- }
- }
- else
- {
- if (SDL_ALPHA_OPAQUE != 255)
- {
- hasAlpha = true;
- memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
- }
- }
-
- SDL_Surface *image;
-
- // Convert the surface to the current display format
- if (hasAlpha)
- {
- image = SDL_DisplayFormatAlpha(tmpImage);
- }
- else
- {
- image = SDL_DisplayFormat(tmpImage);
-
- // We also delete the alpha channel since
- // it's not used.
- delete [] alphaChannel;
- alphaChannel = nullptr;
- }
-
- if (!image)
- {
- logger->log1("Error: Image convert failed.");
- delete [] alphaChannel;
- return nullptr;
- }
-
- if (converted)
- SDL_FreeSurface(tmpImage);
-
- return new Image(image, hasAlpha, alphaChannel);
-}
-
-#ifdef USE_OPENGL
-int ImageHelper::powerOfTwo(int input)
-{
- int value;
- if (mTextureType == GL_TEXTURE_2D)
- {
- value = 1;
- while (value < input && value < mTextureSize)
- value <<= 1;
- }
- else
- {
- value = input;
- }
- return value >= mTextureSize ? mTextureSize : value;
-}
-
-Image *ImageHelper::_GLload(SDL_Surface *tmpImage)
-{
- if (!tmpImage)
- return nullptr;
-
- // Flush current error flag.
- glGetError();
-
- int width = tmpImage->w;
- int height = tmpImage->h;
- int realWidth = powerOfTwo(width);
- int realHeight = powerOfTwo(height);
-
- if (realWidth < width || realHeight < height)
- {
- logger->log("Warning: image too large, cropping to %dx%d texture!",
- tmpImage->w, tmpImage->h);
- }
-
- // Make sure the alpha channel is not used, but copied to destination
- SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE);
-
- // Determine 32-bit masks based on byte order
- Uint32 rmask, gmask, bmask, amask;
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- rmask = 0xff000000;
- gmask = 0x00ff0000;
- bmask = 0x0000ff00;
- amask = 0x000000ff;
-#else
- rmask = 0x000000ff;
- gmask = 0x0000ff00;
- bmask = 0x00ff0000;
- amask = 0xff000000;
-#endif
-
- SDL_Surface *oldImage = nullptr;
- if (tmpImage->format->BitsPerPixel != 32
- || realWidth != width || realHeight != height
- || rmask != tmpImage->format->Rmask
- || gmask != tmpImage->format->Gmask
- || amask != tmpImage->format->Amask)
- {
- oldImage = tmpImage;
- tmpImage = SDL_CreateRGBSurface(SDL_SWSURFACE, realWidth, realHeight,
- 32, rmask, gmask, bmask, amask);
-
- if (!tmpImage)
- {
- logger->log("Error, image convert failed: out of memory");
- return nullptr;
- }
- SDL_BlitSurface(oldImage, nullptr, tmpImage, nullptr);
- }
-
- GLuint texture;
- glGenTextures(1, &texture);
- if (mUseOpenGL == 1)
- OpenGLGraphics::bindTexture(mTextureType, texture);
- else if (mUseOpenGL == 2)
- OpenGL1Graphics::bindTexture(mTextureType, texture);
-
- if (SDL_MUSTLOCK(tmpImage))
- SDL_LockSurface(tmpImage);
-
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- if (mBlur)
- {
- glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- }
- else
- {
- glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- glTexImage2D(mTextureType, 0, mInternalTextureType,
- tmpImage->w, tmpImage->h,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels);
-
-/*
- GLint compressed;
- glGetTexLevelParameteriv(mTextureType, 0,
- GL_TEXTURE_COMPRESSED_ARB, &compressed);
- if (compressed)
- logger->log("image compressed");
- else
- logger->log("image not compressed");
-*/
-
-#ifdef DEBUG_OPENGL_LEAKS
- textures_count ++;
-#endif
-
- if (SDL_MUSTLOCK(tmpImage))
- SDL_UnlockSurface(tmpImage);
-
- if (oldImage)
- SDL_FreeSurface(tmpImage);
-
- GLenum error = glGetError();
- if (error)
- {
- std::string errmsg = "Unknown error";
- switch (error)
- {
- case GL_INVALID_ENUM:
- errmsg = "GL_INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- errmsg = "GL_INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- errmsg = "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- errmsg = "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- errmsg = "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- errmsg = "GL_OUT_OF_MEMORY";
- break;
- default:
- break;
- }
- logger->log("Error: Image GL import failed: %s", errmsg.c_str());
- return nullptr;
- }
-
- return new Image(texture, width, height, realWidth, realHeight);
-}
-
-void ImageHelper::setLoadAsOpenGL(int useOpenGL)
-{
- ImageHelper::mUseOpenGL = useOpenGL;
-}
-
-#endif
-
void ImageHelper::dumpSurfaceFormat(SDL_Surface *image)
{
if (image->format)
@@ -571,12 +113,3 @@ void ImageHelper::dumpSurfaceFormat(SDL_Surface *image)
format->Gmask, format->Bmask, format->Amask);
}
}
-
-int ImageHelper::useOpenGL()
-{
-#ifdef USE_OPENGL
- return mUseOpenGL;
-#else
- return 0;
-#endif
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-10 05:04:50 +0000