Implementation of the ConvertImageToTexture function

This commit is contained in:
Maschell 2019-02-08 20:13:25 +01:00
parent 7ccc9e0b92
commit fb71817c33
3 changed files with 140 additions and 2 deletions

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@ -0,0 +1,105 @@
/****************************************************************************
* Copyright (C) 2018 Maschell
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <utils/logger.h>
#include "texture_utils.h"
#include <wups.h>
#include <gd.h>
#include <dynamic_libs/gx2_functions.h>
#include <dynamic_libs/gx2_types.h>
#include "mem_utils.h"
void gdImageToUnormR8G8B8A8(gdImagePtr gdImg, u32 *imgBuffer, u32 width, u32 height, u32 pitch){
for(u32 y = 0; y < height; ++y)
{
for(u32 x = 0; x < width; ++x)
{
u32 pixel = gdImageGetPixel(gdImg, x, y);
u8 a = 254 - 2*((u8)gdImageAlpha(gdImg, pixel));
if(a == 254) a++;
u8 r = gdImageRed(gdImg, pixel);
u8 g = gdImageGreen(gdImg, pixel);
u8 b = gdImageBlue(gdImg, pixel);
imgBuffer[y * pitch + x] = (r << 24) | (g << 16) | (b << 8) | (a);
}
}
}
bool TextureUtils::convertImageToTexture(const uint8_t *img, int32_t imgSize, void * _texture){
if(!img || (imgSize < 8) || _texture == NULL){
return false;
}
GX2Texture * texture = (GX2Texture *) _texture;
gdImagePtr gdImg = 0;
if (img[0] == 0xFF && img[1] == 0xD8) {
//! not needed for now therefore comment out to safe ELF size
//! if needed uncomment, adds 200 kb to the ELF size
// IMAGE_JPEG
gdImg = gdImageCreateFromJpegPtr(imgSize, (uint8_t*) img);
} else if (img[0] == 'B' && img[1] == 'M') {
// IMAGE_BMP
//gdImg = gdImageCreateFromBmpPtr(imgSize, (uint8_t*) img);
} else if (img[0] == 0x89 && img[1] == 'P' && img[2] == 'N' && img[3] == 'G') {
// IMAGE_PNG
gdImg = gdImageCreateFromPngPtr(imgSize, (uint8_t*) img);
}
//!This must be last since it can also intefere with outher formats
else if(img[0] == 0x00) {
// Try loading TGA image
//gdImg = gdImageCreateFromTgaPtr(imgSize, (uint8_t*) img);
}
if(gdImg == 0){
return false;
}
uint32_t width = (gdImageSX(gdImg));
uint32_t height = (gdImageSY(gdImg));
//! Initialize texture
GX2InitTexture(texture, width, height, 1, 0, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_SURFACE_DIM_2D, GX2_TILE_MODE_LINEAR_ALIGNED);
//! if this fails something went horribly wrong
if(texture->surface.image_size == 0) {
gdImageDestroy(gdImg);
return false;
}
texture->surface.image_data = MemoryUtils::alloc(texture->surface.image_size, texture->surface.align);
//! check if memory is available for image
if(!texture->surface.image_data) {
gdImageDestroy(gdImg);
return false;
}
//! set mip map data pointer
texture->surface.mip_data = NULL;
gdImageToUnormR8G8B8A8(gdImg, (uint32_t*)texture->surface.image_data, texture->surface.width, texture->surface.height, texture->surface.pitch);
//! free memory of image as its not needed anymore
gdImageDestroy(gdImg);
//! invalidate the memory
GX2Invalidate(GX2_INVALIDATE_CPU_TEXTURE, texture->surface.image_data, texture->surface.image_size);
return true;
}

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@ -0,0 +1,31 @@
/****************************************************************************
* Copyright (C) 2018 Maschell
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#ifndef __TEXTURE_UTILS_UTILS_H_
#define __TEXTURE_UTILS_UTILS_H_
#include <stdint.h>
#include <dynamic_libs/gx2_functions.h>
class TextureUtils {
public:
static bool convertImageToTexture(const uint8_t *img, int32_t imgSize, void * texture);
private:
TextureUtils() {}
~TextureUtils() {}
};
#endif

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@ -15,6 +15,7 @@
#include "common/retain_vars.h"
#include "myutils/overlay_helper.h"
#include "myutils/mem_utils.h"
#include "myutils/texture_utils.h"
#include "kernel/syscalls.h"
void CallHook(wups_loader_hook_type_t hook_type) {
@ -67,6 +68,7 @@ void CallHookEx(wups_loader_hook_type_t hook_type, int32_t plugin_index_needed)
} else if(hook_type == WUPS_LOADER_HOOK_INIT_OVERLAY) {
wups_loader_init_overlay_args_t args;
args.overlayfunction_ptr = &overlay_helper;
args.textureconvertfunction_ptr = &TextureUtils::convertImageToTexture;
((void (*)(wups_loader_init_overlay_args_t))((uint32_t*)func_ptr) )(args);
} else if(hook_type == WUPS_LOADER_HOOK_INIT_PLUGIN) {
((void (*)(void))((uint32_t*)func_ptr) )();