*/
-#include "quakedef.h"
+#include "darkplaces.h"
+#include "cl_screen.h"
#include "image.h"
#include "jpeg.h"
#include "image_png.h"
-cvar_t sv_writepicture_quality = {CVAR_SAVE, "sv_writepicture_quality", "10", "WritePicture quality offset (higher means better quality, but slower)"};
+extern cvar_t sv_writepicture_quality;
+cvar_t r_texture_jpeg_fastpicmip = {CF_CLIENT | CF_ARCHIVE, "r_texture_jpeg_fastpicmip", "1", "perform gl_picmip during decompression for JPEG files (faster)"};
// jboolean is unsigned char instead of int on Win32
#ifdef WIN32
/* The decompressor output side may not use these variables. */
int dc_tbl_no; /* DC entropy table selector (0..3) */
int ac_tbl_no; /* AC entropy table selector (0..3) */
-
+
/* Remaining fields should be treated as private by applications. */
-
+
/* These values are computed during compression or decompression startup: */
/* Component's size in DCT blocks.
* Any dummy blocks added to complete an MCU are not counted; therefore
// Handle for JPEG DLL
dllhandle_t jpeg_dll = NULL;
-qboolean jpeg_tried_loading = 0;
+qbool jpeg_tried_loading = 0;
#endif
static unsigned char jpeg_eoi_marker [2] = {0xFF, JPEG_EOI};
static jmp_buf error_in_jpeg;
-static qboolean jpeg_toolarge;
+static qbool jpeg_toolarge;
// Our own output manager for JPEG compression
typedef struct
Try to load the JPEG DLL
====================
*/
-qboolean JPEG_OpenLibrary (void)
+qbool JPEG_OpenLibrary (void)
{
#ifdef LINK_TO_LIBJPEG
return true;
jpeg_tried_loading = true;
+#ifdef __ANDROID__
+ // loading the native Android libjpeg.so causes crashes
+ Con_Printf("Not opening libjpeg.so dynamically on Android - use LINK_TO_LIBJPEG instead if it is needed.\n");
+ return false;
+#endif
+
// Load the DLL
- return Sys_LoadLibrary (dllnames, &jpeg_dll, jpegfuncs);
+ return Sys_LoadDependency (dllnames, &jpeg_dll, jpegfuncs);
#endif
}
void JPEG_CloseLibrary (void)
{
#ifndef LINK_TO_LIBJPEG
- Sys_UnloadLibrary (&jpeg_dll);
+ Sys_FreeLibrary (&jpeg_dll);
jpeg_tried_loading = false; // allow retry
#endif
}
cinfo->src->next_input_byte = jpeg_eoi_marker;
cinfo->src->bytes_in_buffer = 2;
- return TRUE;
+ return true;
}
static void JPEG_SkipInputData (j_decompress_ptr cinfo, long num_bytes)
Load a JPEG image into a BGRA buffer
====================
*/
-unsigned char* JPEG_LoadImage_BGRA (const unsigned char *f, int filesize)
+unsigned char* JPEG_LoadImage_BGRA (const unsigned char *f, int filesize, int *miplevel)
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
unsigned char *image_buffer = NULL, *scanline = NULL;
unsigned int line;
+ int submip = 0;
// No DLL = no JPEGs
if (!jpeg_dll)
return NULL;
+ if(miplevel && r_texture_jpeg_fastpicmip.integer)
+ submip = bound(0, *miplevel, 3);
+
cinfo.err = qjpeg_std_error (&jerr);
qjpeg_create_decompress (&cinfo);
if(setjmp(error_in_jpeg))
cinfo.err = qjpeg_std_error (&jerr);
cinfo.err->error_exit = JPEG_ErrorExit;
JPEG_MemSrc (&cinfo, f, filesize);
- qjpeg_read_header (&cinfo, TRUE);
+ qjpeg_read_header (&cinfo, true);
+ cinfo.scale_num = 1;
+ cinfo.scale_denom = (1 << submip);
qjpeg_start_decompress (&cinfo);
- image_width = cinfo.image_width;
- image_height = cinfo.image_height;
+ image_width = cinfo.output_width;
+ image_height = cinfo.output_height;
- if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
{
Con_Printf("JPEG_LoadImage: invalid image size %ix%i\n", image_width, image_height);
return NULL;
qjpeg_finish_decompress (&cinfo);
qjpeg_destroy_decompress (&cinfo);
+ if(miplevel)
+ *miplevel -= submip;
+
return image_buffer;
error_caught:
Save a preflipped JPEG image to a file
====================
*/
-qboolean JPEG_SaveImage_preflipped (const char *filename, int width, int height, unsigned char *data)
+qbool JPEG_SaveImage_preflipped (const char *filename, int width, int height, unsigned char *data)
{
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
cinfo.in_color_space = JCS_RGB;
cinfo.input_components = 3;
qjpeg_set_defaults (&cinfo);
- qjpeg_set_quality (&cinfo, (int)(scr_screenshot_jpeg_quality.value * 100), TRUE);
+ qjpeg_set_quality (&cinfo, (int)(scr_screenshot_jpeg_quality.value * 100), true);
qjpeg_simple_progression (&cinfo);
// turn off subsampling (to make text look better)
cinfo->in_color_space = JCS_RGB;
cinfo->input_components = 3;
qjpeg_set_defaults (cinfo);
- qjpeg_set_quality (cinfo, quality, FALSE);
+ qjpeg_set_quality (cinfo, quality, false);
cinfo->comp_info[0].h_samp_factor = 2;
cinfo->comp_info[0].v_samp_factor = 2;
}
#endif
- //quality_guess = (100 * jpegsize - 41000) / (width*height) + 2; // fits random data
- quality_guess = (256 * jpegsize - 81920) / (width*height) - 8; // fits Nexuiz's map pictures
+ //quality_guess = (int)((100 * jpegsize - 41000) / (width*height) + 2); // fits random data
+ quality_guess = (int)((256 * jpegsize - 81920) / (width*height) - 8); // fits Nexuiz's/Xonotic's map pictures
quality_guess = bound(0, quality_guess, 100);
quality = bound(0, quality_guess + sv_writepicture_quality.integer, 100); // assume it can do 10 failed attempts
static void CompressedImageCache_Add(const char *imagename, size_t maxsize, void *compressed, size_t compressed_size)
{
- const char *hashkey = va("%s:%d", imagename, (int) maxsize);
+ char vabuf[1024];
+ const char *hashkey = va(vabuf, sizeof(vabuf), "%s:%d", imagename, (int) maxsize);
int hashindex = CRC_Block((unsigned char *) hashkey, strlen(hashkey)) % COMPRESSEDIMAGECACHE_SIZE;
CompressedImageCacheItem *i;
if(strlen(imagename) >= MAX_QPATH)
return; // can't add this
-
+
i = (CompressedImageCacheItem*) Z_Malloc(sizeof(CompressedImageCacheItem));
strlcpy(i->imagename, imagename, sizeof(i->imagename));
i->maxsize = maxsize;
static CompressedImageCacheItem *CompressedImageCache_Find(const char *imagename, size_t maxsize)
{
- const char *hashkey = va("%s:%d", imagename, (int) maxsize);
+ char vabuf[1024];
+ const char *hashkey = va(vabuf, sizeof(vabuf), "%s:%d", imagename, (int) maxsize);
int hashindex = CRC_Block((unsigned char *) hashkey, strlen(hashkey)) % COMPRESSEDIMAGECACHE_SIZE;
CompressedImageCacheItem *i = CompressedImageCache[hashindex];
return NULL;
}
-qboolean Image_Compress(const char *imagename, size_t maxsize, void **buf, size_t *size)
+qbool Image_Compress(const char *imagename, size_t maxsize, void **buf, size_t *size)
{
unsigned char *imagedata, *newimagedata;
int maxPixelCount;
{
*size = i->compressed_size;
*buf = i->compressed;
+ return (*buf != NULL);
}
// load the image
- imagedata = loadimagepixelsbgra(imagename, true, false, false);
+ imagedata = loadimagepixelsbgra(imagename, true, false, false, NULL);
if(!imagedata)
return false;
projects / xonotic / darkplaces.git / blobdiff