claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions 3 Packages Projects Releases Wiki Activity

Introduced video double-buffering (so that the render buffer is no longer the same as the interim buffer) and made SDL (Hardware) auto-hint the renderer per the suggestion and code by Agetian.

Browse Source
This commit is contained in:
OBattler
2019-12-06 03:50:54 +01:00
parent e9905a0806
commit 88b9978fae
10 changed files with 85 additions and 1161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/win/win_sdl.c
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 1.0.9 2019/12/05
* Version: @(#)win_sdl.c 1.0.10 2019/12/06
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Michael Dr<44>ing, <michael@drueing.de>
@@ -187,7 +187,7 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
return;
}
if (buffer32 == NULL) {
if (render_buffer == NULL) {
video_blit_complete();
return;
}
@@ -202,12 +202,8 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
SDL_LockTexture(sdl_tex, 0, &pixeldata, &pitch);
for (yy = y1; yy < y2; yy++) {
if ((y + yy) >= 0 && (y + yy) < buffer32->h) {
if (video_grayscale || invert_display)
video_transform_copy((uint32_t *) &(((uint8_t *)pixeldata)[yy * pitch]), &(buffer32->line[y + yy][x]), w);
else
memcpy((uint32_t *) &(((uint8_t *)pixeldata)[yy * pitch]), &(buffer32->line[y + yy][x]), w * 4);
}
if ((y + yy) >= 0 && (y + yy) < render_buffer->h)
memcpy((uint32_t *) &(((uint8_t *)pixeldata)[yy * pitch]), &(render_buffer->line[y + yy][x]), w * 4);
}
video_blit_complete();
@@ -290,6 +286,23 @@ sdl_close(void)
static int old_capture = 0;
static void
sdl_select_best_hw_driver(void)
{
int i;
SDL_RendererInfo renderInfo;
for (i = 0; i < SDL_GetNumRenderDrivers(); ++i)
{
SDL_GetRenderDriverInfo(i, &renderInfo);
if (renderInfo.flags & SDL_RENDERER_ACCELERATED) {
SDL_SetHint(SDL_HINT_RENDER_DRIVER, renderInfo.name);
return;
}
}
}
static int
sdl_init_common(int flags)
{
@@ -311,8 +324,7 @@ sdl_init_common(int flags)
}
if (flags & RENDERER_HARDWARE)
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "direct3d");
/* TODO: why is this necessary to avoid black screen on Win7/8/10? */
sdl_select_best_hw_driver();
if (flags & RENDERER_FULL_SCREEN) {
/* Get the size of the (current) desktop. */