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Fixed bug recreating OpenGL textures on window resize

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This commit is contained in:
Sam Lantinga 2006-08-06 07:29:38 +00:00
parent cdcc9f4ee7
commit fd1c0ee67b
1 changed files with 29 additions and 18 deletions
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47
src/video/SDL_renderer_sw.c
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@ -95,6 +95,7 @@ SDL_RenderDriver SW_RenderDriver = {
typedef struct
{
Uint32 format;
SDL_bool updateSize;
int current_texture;
SDL_Texture *texture[3];
SDL_Surface surface;
@ -276,12 +277,39 @@ static int
SW_ActivateRenderer(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
int i, n;
if (data->renderer && data->renderer->ActivateRenderer) {
if (data->renderer->ActivateRenderer(data->renderer) < 0) {
return -1;
}
}
if (data->updateSize) {
/* Recreate the textures for the new window size */
if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
n = 2;
} else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
n = 3;
} else {
n = 1;
}
for (i = 0; i < n; ++i) {
if (data->texture[i]) {
DestroyTexture(data->renderer, data->texture[i]);
data->texture[i] = 0;
}
}
for (i = 0; i < n; ++i) {
data->texture[i] =
CreateTexture(data->renderer, data->format, window->w,
window->h);
if (!data->texture[i]) {
return -1;
}
}
data->updateSize = SDL_FALSE;
}
return 0;
}
@ -289,30 +317,13 @@ static int
SW_DisplayModeChanged(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
int i, n;
if (data->renderer && data->renderer->DisplayModeChanged) {
if (data->renderer->DisplayModeChanged(data->renderer) < 0) {
return -1;
}
}
/* Recreate the textures for the new window size */
if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
n = 2;
} else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
n = 3;
} else {
n = 1;
}
for (i = 0; i < n; ++i) {
if (data->texture[i]) {
DestroyTexture(data->renderer, data->texture[i]);
}
data->texture[i] =
CreateTexture(data->renderer, data->format, window->w, window->h);
}
data->updateSize = SDL_TRUE;
return 0;
}