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libpspvram error

 
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coolkehon



Joined: 20 Oct 2008
Posts: 355
PostPosted: Sun Jul 19, 2009 1:18 am    Post subject: libpspvram error Reply with quote
i thought i'd use libpspvram so that i could init the gu with it then allocate images so that they were in vram but when i setup the gu with it the screen doesnt show right (its fuzzy colors and stuff) but when i do the gu stuff by hand with the memory address it works

and when i don't init the gu using libpspvram but try to allocate an image then the image doesn't show but the screen flickers so does anyone have any idea why the gu is messed up like this when usign pspvram

here is how i had inited the gu with libpspvram and i'm not sure i'm explaining this correctly

the commented stuff is where i was using pspvram and the uncommented is where i manually init the gu

Code:
sceGuDispBuffer(SCREEN_WIDTH, SCREEN_HEIGHT, (void*)0, PSP_LINE_SIZE); //Point out the display buffer
//   sceGuDispBuffer(SCREEN_WIDTH, SCREEN_HEIGHT, (void *)valloc(FRAMEBUFFER_SIZE), PSP_LINE_SIZE);
   sceGuDrawBuffer(GU_PSM_8888, (void*)FRAMEBUFFER_SIZE, PSP_LINE_SIZE); //Point out the drawing buffer
//   sceGuDrawBuffer(GU_PSM_8888, (void *)valloc(FRAMEBUFFER_SIZE), PSP_LINE_SIZE);
   sceGuDepthBuffer((void*) (FRAMEBUFFER_SIZE*2), PSP_LINE_SIZE); //Point out the depth buffer
//   sceGuDepthBuffer((void*) valloc(FRAMEBUFFER_SIZE), PSP_LINE_SIZE);
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Insert_witty_name



Joined: 10 May 2006
Posts: 376
PostPosted: Sun Jul 19, 2009 2:15 am    Post subject: Reply with quote
The GU expects a relative pointer, not an absolute pointer.

You can get the relative pointer using vrelptr().

ie.

Code:
void *fbp = (void *)valloc(FRAMEBUFFER_SIZE);
sceGuDispBuffer(SCREEN_WIDTH, SCREEN_HEIGHT, vrelptr(fbp), PSP_LINE_SIZE);
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coolkehon



Joined: 20 Oct 2008
Posts: 355
PostPosted: Sun Jul 19, 2009 3:46 am    Post subject: Reply with quote
thanks it worked
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