changed texture formats from RGBA to BGRA, yes this is a massive change,

[xonotic/darkplaces.git] / jpeg.c

diff --git a/jpeg.c b/jpeg.c
index c85c90a681f825e586cd87d9898a25e2979b097e..b803c8d0f8a9b56246e805527d99ccd18ddd9621 100644 (file)
--- a/jpeg.c
+++ b/jpeg.c
@@ -495,14 +495,14 @@ static void JPEG_ErrorExit (j_common_ptr cinfo)
 ====================
 JPEG_LoadImage
 
-Load a JPEG image into a RGBA buffer
+Load a JPEG image into a BGRA buffer
 ====================
 */
-unsigned char* JPEG_LoadImage (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char* JPEG_LoadImage_BGRA (const unsigned char *f, int filesize)
 {
        struct jpeg_decompress_struct cinfo;
        struct jpeg_error_mgr jerr;
-       unsigned char *image_rgba, *scanline;
+       unsigned char *image_buffer, *scanline;
        unsigned int line;
 
        // No DLL = no JPEGs
@@ -518,24 +518,18 @@ unsigned char* JPEG_LoadImage (const unsigned char *f, int filesize, int matchwi
        image_width = cinfo.image_width;
        image_height = cinfo.image_height;
 
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-       {
-               qjpeg_finish_decompress (&cinfo);
-               qjpeg_destroy_decompress (&cinfo);
-               return NULL;
-       }
        if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
        {
                Con_Printf("JPEG_LoadImage: invalid image size %ix%i\n", image_width, image_height);
                return NULL;
        }
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
        scanline = (unsigned char *)Mem_Alloc(tempmempool, image_width * cinfo.output_components);
-       if (!image_rgba || !scanline)
+       if (!image_buffer || !scanline)
        {
-               if (image_rgba)
-                       Mem_Free (image_rgba);
+               if (image_buffer)
+                       Mem_Free (image_buffer);
                if (scanline)
                        Mem_Free (scanline);
 
@@ -554,17 +548,17 @@ unsigned char* JPEG_LoadImage (const unsigned char *f, int filesize, int matchwi
 
                qjpeg_read_scanlines (&cinfo, &scanline, 1);
 
-               // Convert the image to RGBA
+               // Convert the image to BGRA
                switch (cinfo.output_components)
                {
                        // RGB images
                        case 3:
-                               buffer_ptr = &image_rgba[image_width * line * 4];
+                               buffer_ptr = &image_buffer[image_width * line * 4];
                                for (ind = 0; ind < image_width * 3; ind += 3, buffer_ptr += 4)
                                {
-                                       buffer_ptr[0] = scanline[ind];
+                                       buffer_ptr[2] = scanline[ind];
                                        buffer_ptr[1] = scanline[ind + 1];
-                                       buffer_ptr[2] = scanline[ind + 2];
+                                       buffer_ptr[0] = scanline[ind + 2];
                                        buffer_ptr[3] = 255;
                                }
                                break;
@@ -572,7 +566,7 @@ unsigned char* JPEG_LoadImage (const unsigned char *f, int filesize, int matchwi
                        // Greyscale images (default to it, just in case)
                        case 1:
                        default:
-                               buffer_ptr = &image_rgba[image_width * line * 4];
+                               buffer_ptr = &image_buffer[image_width * line * 4];
                                for (ind = 0; ind < image_width; ind++, buffer_ptr += 4)
                                {
                                        buffer_ptr[0] = scanline[ind];
@@ -589,7 +583,7 @@ unsigned char* JPEG_LoadImage (const unsigned char *f, int filesize, int matchwi
        qjpeg_finish_decompress (&cinfo);
        qjpeg_destroy_decompress (&cinfo);
 
-       return image_rgba;
+       return image_buffer;
 }