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Various blitter fixes, should fix 8088MPH Kefrens segmentation fault.

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This commit is contained in:
OBattler
2021-09-27 04:32:08 +02:00
parent fe48e3b36d
commit 03ed12a966
4 changed files with 5 additions and 7 deletions
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4
src/unix/unix_sdl.c
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@@ -133,7 +133,7 @@ sdl_blit_shim(int x, int y, int w, int h)
params.y = y; params.y = y;
params.w = w; params.w = w;
params.h = h; params.h = h;
if (!(!sdl_enabled || (h <= 0) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL))) memcpy(interpixels, &(buffer32->line[y][x]), h * (2048 + 64) * sizeof(uint32_t)); if (!(!sdl_enabled || (x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL))) memcpy(interpixels, &(buffer32->line[y][x]), h * (2048 + 64) * sizeof(uint32_t));
blitreq = 1; blitreq = 1;
video_blit_complete(); video_blit_complete();
} }
@@ -174,7 +174,7 @@ sdl_blit(int x, int y, int w, int h)
{ {
SDL_Rect r_src; SDL_Rect r_src;
if (!sdl_enabled || (h <= 0) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) { if (!sdl_enabled || (x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
r_src.x = x; r_src.x = x;
r_src.y = y; r_src.y = y;
r_src.w = w; r_src.w = w;

2
src/vnc.c
View File

@@ -172,7 +172,7 @@ vnc_blit(int x, int y, int w, int h)
uint32_t *p; uint32_t *p;
int yy; int yy;
if (h <= 0) if ((x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL))
return; return;
for (yy=0; yy<h; yy++) { for (yy=0; yy<h; yy++) {

4
src/win/win_opengl.c
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@@ -809,9 +809,7 @@ static void opengl_main(void* param)
static void opengl_blit(int x, int y, int w, int h) static void opengl_blit(int x, int y, int w, int h)
{ {
int yy; if ((x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (thread == NULL) ||
if ((h <= 0) || (buffer32 == NULL) || (thread == NULL) ||
atomic_flag_test_and_set(&blit_info[write_pos].in_use)) atomic_flag_test_and_set(&blit_info[write_pos].in_use))
{ {
video_blit_complete(); video_blit_complete();

2
src/win/win_sdl.c
View File

@@ -234,7 +234,7 @@ sdl_blit(int x, int y, int w, int h)
SDL_Rect r_src; SDL_Rect r_src;
int ret; int ret;
if (!sdl_enabled || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) { if (!sdl_enabled || (x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
video_blit_complete(); video_blit_complete();
return; return;
} }