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Applied the first batch of upstream commits.

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This commit is contained in:
waltje
2018-03-18 04:55:11 -05:00
parent 1c60e22813
commit 0adb26c1f9
23 changed files with 1093 additions and 1220 deletions
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173
src/win/win_ddraw.cpp
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@@ -11,7 +11,7 @@
* NOTES: This code should be re-merged into a single init() with a
* 'fullscreen' argument, indicating FS mode is requested.
*
* Version: @(#)win_ddraw.cpp 1.0.2 2018/03/07
* Version: @(#)win_ddraw.cpp 1.0.3 2018/03/17
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
@@ -44,6 +44,10 @@
#include <ddraw.h>
#include <stdio.h>
#include <stdint.h>
#ifdef USE_LIBPNG
# define PNG_DEBUG 0
# include <png.h>
#endif
#include "../emu.h"
#include "../device.h"
#include "../video/video.h"
@@ -51,7 +55,6 @@
#include "../ui.h"
#include "win.h"
#include "win_ddraw.h"
#include "win_png.h"
static LPDIRECTDRAW lpdd = NULL;
@@ -65,6 +68,10 @@ static HWND ddraw_hwnd;
static HBITMAP hbitmap;
static int ddraw_w, ddraw_h,
xs, ys, ys2;
#ifdef USE_LIBPNG
static png_structp png_ptr;
static png_infop png_info_ptr;
#endif
static void
@@ -88,6 +95,159 @@ CopySurface(IDirectDrawSurface4 *pDDSurface)
}
#ifdef USE_LIBPNG
static void
bgra_to_rgb(png_bytep *b_rgb, uint8_t *bgra, int width, int height)
{
int i, j;
uint8_t *r, *b;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
r = &b_rgb[(height - 1) - i][j * 3];
b = &bgra[((i * width) + j) * 4];
r[0] = b[2];
r[1] = b[1];
r[2] = b[0];
}
}
}
static void
SavePNG(wchar_t *szFilename, HBITMAP hBitmap)
{
static WCHAR szMessage[512];
BITMAPFILEHEADER bmpFileHeader;
BITMAPINFO bmpInfo;
HDC hdc;
LPVOID pBuf = NULL;
LPVOID pBuf2 = NULL;
png_bytep *b_rgb = NULL;
FILE *fp;
int i;
/* Create file. */
fp = plat_fopen(szFilename, (wchar_t *) L"wb");
if (fp == NULL) {
pclog("[SavePNG] File %ls could not be opened for writing", szFilename);
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
/* Initialize PNG stuff. */
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
NULL, NULL, NULL);
if (png_ptr == NULL) {
fclose(fp);
pclog("[SavePNG] png_create_write_struct failed");
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
png_info_ptr = png_create_info_struct(png_ptr);
if (png_info_ptr == NULL) {
fclose(fp);
pclog("[SavePNG] png_create_info_struct failed");
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
png_init_io(png_ptr, fp);
hdc = GetDC(NULL);
ZeroMemory(&bmpInfo, sizeof(BITMAPINFO));
bmpInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
GetDIBits(hdc, hBitmap, 0, 0, NULL, &bmpInfo, DIB_RGB_COLORS);
if (bmpInfo.bmiHeader.biSizeImage <= 0)
bmpInfo.bmiHeader.biSizeImage =
bmpInfo.bmiHeader.biWidth*abs(bmpInfo.bmiHeader.biHeight)*(bmpInfo.bmiHeader.biBitCount+7)/8;
if ((pBuf = malloc(bmpInfo.bmiHeader.biSizeImage)) == NULL) {
fclose(fp);
pclog("[SavePNG] Unable to Allocate Bitmap Memory");
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
if (ys2 <= 250) {
bmpInfo.bmiHeader.biSizeImage <<= 1;
if ((pBuf2 = malloc(bmpInfo.bmiHeader.biSizeImage)) == NULL) {
fclose(fp);
free(pBuf);
pclog("[SavePNG] Unable to Allocate Secondary Bitmap Memory");
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
bmpInfo.bmiHeader.biHeight <<= 1;
}
#if 0
pclog("save png w=%i h=%i\n",
bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight);
#endif
bmpInfo.bmiHeader.biCompression = BI_RGB;
GetDIBits(hdc, hBitmap, 0,
bmpInfo.bmiHeader.biHeight, pBuf, &bmpInfo, DIB_RGB_COLORS);
png_set_IHDR(png_ptr, png_info_ptr,
bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight,
8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
b_rgb = (png_bytep *)malloc(sizeof(png_bytep)*bmpInfo.bmiHeader.biHeight));
if (b_rgb == NULL) {
fclose(fp);
free(pBuf);
free(pBuf2);
pclog("[SavePNG] Unable to Allocate RGB Bitmap Memory");
_swprintf(szMessage, plat_get_string(IDS_2088), szFilename);
ui_msgbox(MBX_ERROR, szMessage);
return;
}
for (i = 0; i < bmpInfo.bmiHeader.biHeight; i++)
b_rgb[i] = (png_byte *)malloc(png_get_rowbytes(png_ptr, info_ptr));
if (pBuf2) {
DoubleLines((uint8_t *)pBuf2, (uint8_t *)pBuf);
bgra_to_rgb(b_rgb, (uint8_t *)pBuf2,
bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight);
} else
bgra_to_rgb(b_rgb, (uint8_t *)pBuf,
bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight);
png_write_info(png_ptr, png_info_ptr);
png_write_image(png_ptr, b_rgb);
png_write_end(png_ptr, NULL);
/* Clean up. */
if (hdc) ReleaseDC(NULL,hdc);
for (i = 0; i < bmpInfo.bmiHeader.biHeight; i++)
if (b_rgb[i]) free(b_rgb[i]);
if (b_rgb) free(b_rgb);
if (pBuf) free(pBuf);
if (pBuf2) free(pBuf2);
if (fp != NULL) fclose(fp);
}
#else
static void
DoubleLines(uint8_t *dst, uint8_t *src)
{
@@ -101,7 +261,7 @@ DoubleLines(uint8_t *dst, uint8_t *src)
static void
SaveBitmap(wchar_t *szFilename, HBITMAP hBitmap)
SaveBMP(wchar_t *szFilename, HBITMAP hBitmap)
{
static WCHAR szMessage[512];
BITMAPFILEHEADER bmpFileHeader;
@@ -170,6 +330,7 @@ SaveBitmap(wchar_t *szFilename, HBITMAP hBitmap)
if (fp) fclose(fp);
}
#endif
static void
@@ -442,7 +603,11 @@ ddraw_take_screenshot(wchar_t *fn)
CopySurface(lpdds_back2);
SaveBitmap(fn, hbitmap);
#ifdef USE_LIBPNG
SavePNG(fn, hbitmap);
#else
SaveBMP(fn, hbitmap);
#endif
}