Removes the legacy DirectDraw and Direct3D 9 renderers, and instead adds SDL (Hardware) and renames the existing SDL renderer to SDL (Software).

This commit is contained in:
OBattler
2019-12-05 00:51:07 +01:00
parent 743fafbc8e
commit 26c0a5d2ea
9 changed files with 128 additions and 233 deletions

View File

@@ -12,7 +12,7 @@
* we will not use that, but, instead, use a new window which
* coverrs the entire desktop.
*
* Version: @(#)win_sdl.c 1.0.8 2019/10/22
* Version: @(#)win_sdl.c 1.0.9 2019/12/05
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Michael Dr<44>ing, <michael@drueing.de>
@@ -72,10 +72,10 @@
#include "win_sdl.h"
#define PATH_SDL_DLL "SDL2.dll"
#define RENDERER_FULL_SCREEN 1
#define RENDERER_HARDWARE 2
static void *sdl_handle = NULL; /* handle to libSDL2 DLL */
static SDL_Window *sdl_win = NULL;
static SDL_Renderer *sdl_render = NULL;
static SDL_Texture *sdl_tex = NULL;
@@ -88,71 +88,6 @@ static volatile int sdl_enabled = 0;
static SDL_mutex* sdl_mutex = NULL;
/* Pointers to the real functions. */
static void (*sdl_GetVersion)(SDL_version *ver);
static char *const (*sdl_GetError)(void);
static int (*sdl_Init)(Uint32 flags);
static void (*sdl_Quit)(void);
static SDL_Window *(*sdl_CreateWindowFrom)(const void *data);
static void (*sdl_DestroyWindow)(SDL_Window *window);
static SDL_Renderer *(*sdl_CreateRenderer)(SDL_Window *window,
int index, Uint32 flags);
static void (*sdl_DestroyRenderer)(SDL_Renderer *renderer);
static SDL_Texture *(*sdl_CreateTexture)(SDL_Renderer *renderer,
Uint32 format, int access,
int w, int h);
static void (*sdl_DestroyTexture)(SDL_Texture *texture);
static int (*sdl_LockTexture)(SDL_Texture *texture,
const SDL_Rect *rect,
void **pixels, int *pitch);
static void (*sdl_UnlockTexture)(SDL_Texture *texture);
static int (*sdl_RenderCopy)(SDL_Renderer *renderer,
SDL_Texture *texture,
const SDL_Rect *srcrect,
const SDL_Rect *dstrect);
static void (*sdl_RenderPresent)(SDL_Renderer *renderer);
static void (*sdl_GetWindowSize)(SDL_Window* window,
int* w,
int* h);
static int (*sdl_RenderReadPixels)(SDL_Renderer* renderer,
const SDL_Rect* rect,
Uint32 format,
void* pixels,
int pitch);
static SDL_bool (*sdl_SetHint)(const char* name,
const char* value);
static SDL_mutex* (*sdl_CreateMutex)(void);
static void (*sdl_DestroyMutex)(SDL_mutex* mutex);
static int (*sdl_LockMutex)(SDL_mutex* mutex);
static int (*sdl_UnlockMutex)(SDL_mutex* mutex);
static dllimp_t sdl_imports[] = {
{ "SDL_GetVersion", &sdl_GetVersion },
{ "SDL_GetError", &sdl_GetError },
{ "SDL_Init", &sdl_Init },
{ "SDL_Quit", &sdl_Quit },
{ "SDL_CreateWindowFrom", &sdl_CreateWindowFrom },
{ "SDL_DestroyWindow", &sdl_DestroyWindow },
{ "SDL_CreateRenderer", &sdl_CreateRenderer },
{ "SDL_DestroyRenderer", &sdl_DestroyRenderer },
{ "SDL_CreateTexture", &sdl_CreateTexture },
{ "SDL_DestroyTexture", &sdl_DestroyTexture },
{ "SDL_LockTexture", &sdl_LockTexture },
{ "SDL_UnlockTexture", &sdl_UnlockTexture },
{ "SDL_RenderCopy", &sdl_RenderCopy },
{ "SDL_RenderPresent", &sdl_RenderPresent },
{ "SDL_GetWindowSize", &sdl_GetWindowSize },
{ "SDL_RenderReadPixels", &sdl_RenderReadPixels },
{ "SDL_SetHint", &sdl_SetHint },
{ "SDL_CreateMutex", &sdl_CreateMutex },
{ "SDL_DestroyMutex", &sdl_DestroyMutex },
{ "SDL_LockMutex", &sdl_LockMutex },
{ "SDL_UnlockMutex", &sdl_UnlockMutex },
{ NULL, NULL }
};
#ifdef ENABLE_SDL_LOG
int sdl_do_log = ENABLE_SDL_LOG;
@@ -257,14 +192,14 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
return;
}
sdl_LockMutex(sdl_mutex);
SDL_LockMutex(sdl_mutex);
/*
* TODO:
* SDL_UpdateTexture() might be better here, as it is
* (reportedly) slightly faster.
*/
sdl_LockTexture(sdl_tex, 0, &pixeldata, &pitch);
SDL_LockTexture(sdl_tex, 0, &pixeldata, &pitch);
for (yy = y1; yy < y2; yy++) {
if ((y + yy) >= 0 && (y + yy) < buffer32->h) {
@@ -277,7 +212,7 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
video_blit_complete();
sdl_UnlockTexture(sdl_tex);
SDL_UnlockTexture(sdl_tex);
if (sdl_fs) {
sdl_log("sdl_blit(%i, %i, %i, %i, %i, %i) (%i, %i)\n", x, y, y1, y2, w, h, unscaled_size_x, efscrnsz_y);
@@ -291,13 +226,13 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
r_src.w = w;
r_src.h = h;
ret = sdl_RenderCopy(sdl_render, sdl_tex, &r_src, 0);
ret = SDL_RenderCopy(sdl_render, sdl_tex, &r_src, 0);
if (ret)
sdl_log("SDL: unable to copy texture to renderer (%s)\n", sdl_GetError());
sdl_RenderPresent(sdl_render);
SDL_RenderPresent(sdl_render);
sdl_UnlockMutex(sdl_mutex);
SDL_UnlockMutex(sdl_mutex);
}
@@ -311,22 +246,22 @@ sdl_close(void)
sdl_enabled = 0;
if (sdl_mutex != NULL) {
sdl_DestroyMutex(sdl_mutex);
SDL_DestroyMutex(sdl_mutex);
sdl_mutex = NULL;
}
if (sdl_tex != NULL) {
sdl_DestroyTexture(sdl_tex);
SDL_DestroyTexture(sdl_tex);
sdl_tex = NULL;
}
if (sdl_render != NULL) {
sdl_DestroyRenderer(sdl_render);
SDL_DestroyRenderer(sdl_render);
sdl_render = NULL;
}
if (sdl_win != NULL) {
sdl_DestroyWindow(sdl_win);
SDL_DestroyWindow(sdl_win);
sdl_win = NULL;
}
@@ -347,13 +282,8 @@ sdl_close(void)
sdl_parent_hwnd = NULL;
}
/* Quit and unload the DLL if possible. */
if (sdl_handle != NULL) {
sdl_Quit();
dynld_close(sdl_handle);
sdl_handle = NULL;
}
/* Quit. */
SDL_Quit();
}
@@ -361,7 +291,7 @@ static int old_capture = 0;
static int
sdl_init_common(int fs)
sdl_init_common(int flags)
{
wchar_t temp[128];
SDL_version ver;
@@ -370,24 +300,21 @@ sdl_init_common(int fs)
sdl_log("SDL: init (fs=%d)\n", fs);
/* Try loading the DLL. */
sdl_handle = dynld_module(PATH_SDL_DLL, sdl_imports);
if (sdl_handle == NULL) {
ui_msgbox(MBX_ERROR, (wchar_t *)IDS_2120);
return(0);
}
/* Get and log the version of the DLL we are using. */
sdl_GetVersion(&ver);
SDL_GetVersion(&ver);
sdl_log("SDL: version %d.%d.%d\n", ver.major, ver.minor, ver.patch);
/* Initialize the SDL system. */
if (sdl_Init(SDL_INIT_VIDEO) < 0) {
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
sdl_log("SDL: initialization failed (%s)\n", sdl_GetError());
return(0);
}
if (fs) {
if (flags & RENDERER_HARDWARE)
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "direct3d");
/* TODO: why is this necessary to avoid black screen on Win7/8/10? */
if (flags & RENDERER_FULL_SCREEN) {
/* Get the size of the (current) desktop. */
sdl_w = GetSystemMetrics(SM_CXSCREEN);
sdl_h = GetSystemMetrics(SM_CYSCREEN);
@@ -431,7 +358,7 @@ sdl_init_common(int fs)
x, y, w, h, SWP_SHOWWINDOW);
/* Now create the SDL window from that. */
sdl_win = sdl_CreateWindowFrom((void *)sdl_hwnd);
sdl_win = SDL_CreateWindowFrom((void *)sdl_hwnd);
old_capture = mouse_capture;
@@ -442,7 +369,7 @@ sdl_init_common(int fs)
mouse_capture = 1;
} else {
/* Create the SDL window from the render window. */
sdl_win = sdl_CreateWindowFrom((void *)hwndRender);
sdl_win = SDL_CreateWindowFrom((void *)hwndRender);
mouse_capture = old_capture;
@@ -453,7 +380,7 @@ sdl_init_common(int fs)
}
}
if (sdl_win == NULL) {
sdl_log("SDL: unable to CreateWindowFrom (%s)\n", sdl_GetError());
sdl_log("SDL: unable to CreateWindowFrom (%s)\n", SDL_GetError());
sdl_close();
return(0);
}
@@ -465,9 +392,14 @@ sdl_init_common(int fs)
* trying to switch to fullscreen even though the window is
* not a fullscreen window?)
*/
sdl_render = sdl_CreateRenderer(sdl_win, -1, SDL_RENDERER_SOFTWARE);
if (flags & RENDERER_HARDWARE) {
sdl_render = SDL_CreateRenderer(sdl_win, -1, SDL_RENDERER_ACCELERATED);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
} else
sdl_render = SDL_CreateRenderer(sdl_win, -1, SDL_RENDERER_SOFTWARE);
if (sdl_render == NULL) {
sdl_log("SDL: unable to create renderer (%s)\n", sdl_GetError());
sdl_log("SDL: unable to create renderer (%s)\n", SDL_GetError());
sdl_close();
return(0);
}
@@ -478,10 +410,10 @@ sdl_init_common(int fs)
* channel seems to be set to 255 everywhere, so ARGB8888 works
* just as well.
*/
sdl_tex = sdl_CreateTexture(sdl_render, SDL_PIXELFORMAT_ARGB8888,
sdl_tex = SDL_CreateTexture(sdl_render, SDL_PIXELFORMAT_ARGB8888,
SDL_TEXTUREACCESS_STREAMING, 2048, 2048);
if (sdl_tex == NULL) {
sdl_log("SDL: unable to create texture (%s)\n", sdl_GetError());
sdl_log("SDL: unable to create texture (%s)\n", SDL_GetError());
sdl_close();
return(0);
}
@@ -492,27 +424,41 @@ sdl_init_common(int fs)
/* Register our renderer! */
video_setblit(sdl_blit);
sdl_fs = fs;
sdl_fs = !!(flags & RENDERER_FULL_SCREEN);
sdl_enabled = 1;
sdl_mutex = sdl_CreateMutex();
sdl_mutex = SDL_CreateMutex();
return(1);
}
int
sdl_init(HWND h)
sdl_inits(HWND h)
{
return sdl_init_common(0);
}
int
sdl_init_fs(HWND h)
sdl_inith(HWND h)
{
return sdl_init_common(1);
return sdl_init_common(RENDERER_HARDWARE);
}
int
sdl_inits_fs(HWND h)
{
return sdl_init_common(RENDERER_FULL_SCREEN);
}
int
sdl_inith_fs(HWND h)
{
return sdl_init_common(RENDERER_FULL_SCREEN | RENDERER_HARDWARE);
}
@@ -533,10 +479,11 @@ sdl_resize(int x, int y)
ww = x;
wh = y;
sdl_stretch(&ww, &wh, &wx, &wy);
if (sdl_fs)
if (sdl_fs) {
sdl_stretch(&ww, &wh, &wx, &wy);
MoveWindow(sdl_hwnd, wx, wy, ww, wh, TRUE);
}
cur_w = x;
cur_h = y;