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pcsx2/plugins/zzogl-pg/opengl/ZZoglShoots.cpp

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/* ZZ Open GL graphics plugin
* Copyright (c)2009 zeydlitz@gmail.com
* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2006
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// Texture and avi saving to file functions
//------------------ Includes
#if defined(_WIN32)
# include <windows.h>
# include <aviUtil.h>
# include "resource.h"
#endif
#include <stdlib.h>
#include "zerogs.h"
#include "targets.h"
#include "Mem.h"
extern "C" {
#ifdef _WIN32
# define XMD_H
# undef FAR
#define HAVE_BOOLEAN
#endif
#include "jpeglib.h" // This library want to be after zerogs.h
}
//------------------ Defines
#define TGA_FILE_NAME_MAX_LENGTH 20
#define MAX_NUMBER_SAVED_TGA 200
//Windows have no snprintf
#if defined(_WIN32)
# define snprintf sprintf_s
#endif
//------------------ Constants
//------------------ Global Variables
int TexNumber = 0;
int s_aviinit = 0;
//------------------ Code
// Set variables need to made a snapshoot when it's possible
void
ZeroGS::SaveSnapshot(const char* filename)
{
g_bMakeSnapshot = 1;
strSnapshot = filename;
}
// Save curent renderer in jpeg or TGA format
bool
ZeroGS::SaveRenderTarget(const char* filename, int width, int height, int jpeg)
{
bool bflip = height < 0;
height = abs(height);
vector<u32> data(width*height);
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, &data[0]);
if (glGetError() != GL_NO_ERROR)
return false;
if (bflip) {
// swap scanlines
vector<u32> scanline(width);
for (int i = 0; i < height/2; ++i) {
memcpy(&scanline[0], &data[i * width], width * 4);
memcpy(&data[i * width], &data[(height - i - 1) * width], width * 4);
memcpy(&data[(height - i - 1) * width], &scanline[0], width * 4);
}
}
if (jpeg)
return SaveJPEG(filename, width, height, &data[0], 70);
return SaveTGA(filename, width, height, &data[0]);
}
// Save selected texture as TGA
bool
ZeroGS::SaveTexture(const char* filename, u32 textarget, u32 tex, int width, int height)
{
vector<u32> data(width*height);
glBindTexture(textarget, tex);
glGetTexImage(textarget, 0, GL_RGBA, GL_UNSIGNED_BYTE, &data[0]);
if (glGetError() != GL_NO_ERROR)
return false;
return SaveTGA(filename, width, height, &data[0]);
}
// save image as JPEG
bool
ZeroGS::SaveJPEG(const char* filename, int image_width, int image_height, const void* pdata, int quality)
{
u8* image_buffer = new u8[image_width * image_height * 3];
u8* psrc = (u8*)pdata;
// input data is rgba format, so convert to rgb
u8* p = image_buffer;
for(int i = 0; i < image_height; ++i) {
for(int j = 0; j < image_width; ++j) {
p[0] = psrc[0];
p[1] = psrc[1];
p[2] = psrc[2];
p += 3;
psrc += 4;
}
}
/* This struct contains the JPEG compression parameters and pointers to
* working space (which is allocated as needed by the JPEG library).
* It is possible to have several such structures, representing multiple
* compression/decompression processes, in existence at once. We refer
* to any one struct (and its associated working data) as a "JPEG object".
*/
struct jpeg_compress_struct cinfo;
/* This struct represents a JPEG error handler. It is declared separately
* because applications often want to supply a specialized error handler
* (see the second half of this file for an example). But here we just
* take the easy way out and use the standard error handler, which will
* print a message on stderr and call exit() if compression fails.
* Note that this struct must live as long as the main JPEG parameter
* struct, to avoid dangling-pointer problems.
*/
struct jpeg_error_mgr jerr;
/* More stuff */
FILE * outfile; /* target file */
JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
int row_stride; /* physical row width in image buffer */
/* Step 1: allocate and initialize JPEG compression object */
/* We have to set up the error handler first, in case the initialization
* step fails. (Unlikely, but it could happen if you are out of memory.)
* This routine fills in the contents of struct jerr, and returns jerr's
* address which we place into the link field in cinfo.
*/
cinfo.err = jpeg_std_error(&jerr);
/* Now we can initialize the JPEG compression object. */
jpeg_create_compress(&cinfo);
/* Step 2: specify data destination (eg, a file) */
/* Note: steps 2 and 3 can be done in either order. */
/* Here we use the library-supplied code to send compressed data to a
* stdio stream. You can also write your own code to do something else.
* VERY IMPORTANT: use "b" option to fopen() if you are on a machine that
* requires it in order to write binary files.
*/
if ((outfile = fopen(filename, "wb")) == NULL) {
fprintf(stderr, "can't open %s\n", filename);
exit(1);
}
jpeg_stdio_dest(&cinfo, outfile);
/* Step 3: set parameters for compression */
/* First we supply a description of the input image.
* Four fields of the cinfo struct must be filled in:
*/
cinfo.image_width = image_width; /* image width and height, in pixels */
cinfo.image_height = image_height;
cinfo.input_components = 3; /* # of color components per pixel */
cinfo.in_color_space = JCS_RGB; /* colorspace of input image */
/* Now use the library's routine to set default compression parameters.
* (You must set at least cinfo.in_color_space before calling this,
* since the defaults depend on the source color space.)
*/
jpeg_set_defaults(&cinfo);
/* Now you can set any non-default parameters you wish to.
* Here we just illustrate the use of quality (quantization table) scaling:
*/
jpeg_set_quality(&cinfo, quality, TRUE /* limit to baseline-JPEG values */);
/* Step 4: Start compressor */
/* TRUE ensures that we will write a complete interchange-JPEG file.
* Pass TRUE unless you are very sure of what you're doing.
*/
jpeg_start_compress(&cinfo, TRUE);
/* Step 5: while (scan lines remain to be written) */
/* jpeg_write_scanlines(...); */
/* Here we use the library's state variable cinfo.next_scanline as the
* loop counter, so that we don't have to keep track ourselves.
* To keep things simple, we pass one scanline per call; you can pass
* more if you wish, though.
*/
row_stride = image_width * 3; /* JSAMPLEs per row in image_buffer */
while (cinfo.next_scanline < cinfo.image_height) {
/* jpeg_write_scanlines expects an array of pointers to scanlines.
* Here the array is only one element long, but you could pass
* more than one scanline at a time if that's more convenient.
*/
row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
(void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
}
/* Step 6: Finish compression */
jpeg_finish_compress(&cinfo);
/* After finish_compress, we can close the output file. */
fclose(outfile);
/* Step 7: release JPEG compression object */
/* This is an important step since it will release a good deal of memory. */
jpeg_destroy_compress(&cinfo);
delete image_buffer;
/* And we're done! */
return true;
}
#if defined(_MSC_VER)
# pragma pack(push, 1)
#endif
// This is the defenition of TGA header. We need it to function bellow
struct TGA_HEADER
{
u8 identsize; // size of ID field that follows 18 u8 header (0 usually)
u8 colourmaptype; // type of colour map 0=none, 1=has palette
u8 imagetype; // type of image 0=none,1=indexed,2=rgb,3=grey,+8=rle packed
s16 colourmapstart; // first colour map entry in palette
s16 colourmaplength; // number of colours in palette
u8 colourmapbits; // number of bits per palette entry 15,16,24,32
s16 xstart; // image x origin
s16 ystart; // image y origin
s16 width; // image width in pixels
s16 height; // image height in pixels
u8 bits; // image bits per pixel 8,16,24,32
u8 descriptor; // image descriptor bits (vh flip bits)
// pixel data follows header
#if defined(_MSC_VER)
};
# pragma pack(pop)
# else
} __attribute__((packed));
#endif
// Save image as TGA
bool
ZeroGS::SaveTGA(const char* filename, int width, int height, void* pdata)
{
TGA_HEADER hdr;
FILE* f = fopen(filename, "wb");
if (f == NULL)
return false;
assert( sizeof(TGA_HEADER) == 18 && sizeof(hdr) == 18 );
memset(&hdr, 0, sizeof(hdr));
hdr.imagetype = 2;
hdr.bits = 32;
hdr.width = width;
hdr.height = height;
hdr.descriptor |= 8|(1<<5); // 8bit alpha, flip vertical
fwrite(&hdr, sizeof(hdr), 1, f);
fwrite(pdata, width * height * 4, 1, f);
fclose(f);
return true;
}
// AVI capture stuff
// AVI start -- set needed glabal variables
void ZeroGS::StartCapture()
{
if( !s_aviinit ) {
#ifdef _WIN32
START_AVI("zerogs.avi");
#else // linux
//TODO
#endif
s_aviinit = 1;
}
else {
ERROR_LOG("Continuing from previous capture");
}
s_avicapturing = 1;
}
// Stop.
void ZeroGS::StopCapture()
{
s_avicapturing = 0;
}
// And capture frame
// Does not work on linux
void ZeroGS::CaptureFrame()
{
assert( s_avicapturing && s_aviinit );
vector<u32> data(nBackbufferWidth*nBackbufferHeight);
glReadPixels(0, 0, nBackbufferWidth, nBackbufferHeight, GL_RGBA, GL_UNSIGNED_BYTE, &data[0]);
if (glGetError() != GL_NO_ERROR)
return;
int fps = SMODE1->CMOD == 3 ? 50 : 60;
#ifdef _WIN32
bool bSuccess = ADD_FRAME_FROM_DIB_TO_AVI("AAAA", fps, nBackbufferWidth, nBackbufferHeight, 32, &data[0]);
if( !bSuccess ) {
s_avicapturing = 0;
STOP_AVI();
ZeroGS::AddMessage("Failed to create avi");
return;
}
#else // linux
//TODO
#endif // _WIN32
}
// It's nearly the same as save texture
void
ZeroGS::SaveTex(tex0Info* ptex, int usevid)
{
vector<u32> data(ptex->tw*ptex->th);
vector<u8> srcdata;
u32* dst = &data[0];
u8* psrc = g_pbyGSMemory;
CMemoryTarget* pmemtarg = NULL;
if (usevid) {
pmemtarg = g_MemTargs.GetMemoryTarget(*ptex, 0);
assert( pmemtarg != NULL );
glBindTexture(GL_TEXTURE_RECTANGLE_NV, pmemtarg->ptex->tex);
srcdata.resize(pmemtarg->realheight * GPU_TEXWIDTH * pmemtarg->widthmult * 4 * 8); // max of 8 cannels
glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGBA, pmemtarg->fmt, &srcdata[0]);
u32 offset = pmemtarg->realy * 4 * GPU_TEXWIDTH;
if (ptex->psm == PSMT8)
offset *= ptex->cpsm <= 1 ? 4 : 2;
else if (ptex->psm == PSMT4)
offset *= ptex->cpsm <= 1 ? 8 : 4;
psrc = &srcdata[0] - offset;
}
for (int i = 0; i < ptex->th; ++i) {
for (int j = 0; j < ptex->tw; ++j) {
u32 u = 0;
u32 addr;
switch (ptex->psm) {
case PSMCT32:
addr = getPixelAddress32(j, i, ptex->tbp0, ptex->tbw);
if (addr * 4 < 0x00400000)
u = readPixel32(psrc, j, i, ptex->tbp0, ptex->tbw);
else
u = 0;
break;
case PSMCT24:
addr = getPixelAddress24(j, i, ptex->tbp0, ptex->tbw);
if (addr * 4 < 0x00400000)
u = readPixel24(psrc, j, i, ptex->tbp0, ptex->tbw);
else
u = 0;
break;
case PSMCT16:
addr = getPixelAddress16(j, i, ptex->tbp0, ptex->tbw);
if (addr * 2 < 0x00400000) {
u = readPixel16(psrc, j, i, ptex->tbp0, ptex->tbw);
u = RGBA16to32(u);
}
else
u = 0;
break;
case PSMCT16S:
addr = getPixelAddress16(j, i, ptex->tbp0, ptex->tbw);
if (addr * 2 < 0x00400000) {
u = readPixel16S(psrc, j, i, ptex->tbp0, ptex->tbw);
u = RGBA16to32(u);
}
else u = 0;
break;
case PSMT8:
addr = getPixelAddress8(j, i, ptex->tbp0, ptex->tbw);
if (addr < 0x00400000) {
if (usevid) {
if (ptex->cpsm <= 1)
u = *(u32*)(psrc+4*addr);
else
u = RGBA16to32(*(u16*)(psrc+2*addr));
}
else
u = readPixel8(psrc, j, i, ptex->tbp0, ptex->tbw);
}
else
u = 0;
break;
case PSMT4:
addr = getPixelAddress4(j, i, ptex->tbp0, ptex->tbw);
if( addr < 2*0x00400000 ) {
if( usevid ) {
if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
else u = RGBA16to32(*(u16*)(psrc+2*addr));
}
else
u = readPixel4(psrc, j, i, ptex->tbp0, ptex->tbw);
}
else u = 0;
break;
case PSMT8H:
addr = getPixelAddress8H(j, i, ptex->tbp0, ptex->tbw);
if( 4*addr < 0x00400000 ) {
if( usevid ) {
if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
else u = RGBA16to32(*(u16*)(psrc+2*addr));
}
else
u = readPixel8H(psrc, j, i, ptex->tbp0, ptex->tbw);
}
else u = 0;
break;
case PSMT4HL:
addr = getPixelAddress4HL(j, i, ptex->tbp0, ptex->tbw);
if( 4*addr < 0x00400000 ) {
if( usevid ) {
if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
else u = RGBA16to32(*(u16*)(psrc+2*addr));
}
else
u = readPixel4HL(psrc, j, i, ptex->tbp0, ptex->tbw);
}
else u = 0;
break;
case PSMT4HH:
addr = getPixelAddress4HH(j, i, ptex->tbp0, ptex->tbw);
if( 4*addr < 0x00400000 ) {
if( usevid ) {
if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
else u = RGBA16to32(*(u16*)(psrc+2*addr));
}
else
u = readPixel4HH(psrc, j, i, ptex->tbp0, ptex->tbw);
}
else u = 0;
break;
case PSMT32Z:
addr = getPixelAddress32Z(j, i, ptex->tbp0, ptex->tbw);
if( 4*addr < 0x00400000 )
u = readPixel32Z(psrc, j, i, ptex->tbp0, ptex->tbw);
else u = 0;
break;
case PSMT24Z:
addr = getPixelAddress24Z(j, i, ptex->tbp0, ptex->tbw);
if( 4*addr < 0x00400000 )
u = readPixel24Z(psrc, j, i, ptex->tbp0, ptex->tbw);
else u = 0;
break;
case PSMT16Z:
addr = getPixelAddress16Z(j, i, ptex->tbp0, ptex->tbw);
if( 2*addr < 0x00400000 )
u = readPixel16Z(psrc, j, i, ptex->tbp0, ptex->tbw);
else u = 0;
break;
case PSMT16SZ:
addr = getPixelAddress16SZ(j, i, ptex->tbp0, ptex->tbw);
if( 2*addr < 0x00400000 )
u = readPixel16SZ(psrc, j, i, ptex->tbp0, ptex->tbw);
else u = 0;
break;
default:
assert(0);
}
*dst++ = u;
}
}
char Name[TGA_FILE_NAME_MAX_LENGTH];
snprintf( Name, TGA_FILE_NAME_MAX_LENGTH, "Tex.%d.tga", TexNumber );
SaveTGA(Name, ptex->tw, ptex->th, &data[0]);
}
// Do the save texture and return file name of it
// Do not forget to call free(), other wise there would be memory leak!
char*
ZeroGS::NamedSaveTex(tex0Info* ptex, int usevid){
SaveTex(ptex, usevid);
char* Name = (char*)malloc(TGA_FILE_NAME_MAX_LENGTH);
snprintf( Name, TGA_FILE_NAME_MAX_LENGTH, "Tex.%d.tga", TexNumber );
TexNumber++;
if (TexNumber > MAX_NUMBER_SAVED_TGA)
TexNumber = 0;
return Name;
}
// Special function, wich is safe to call from any other file, without aviutils problems.
void
ZeroGS::Stop_Avi(){
#ifdef _WIN32
STOP_AVI();
#else
// Does not support yet
#endif
}
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