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framebuffer: Allow user override of automatic framebuffer memory allocation

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This commit is contained in:
Michael Scire 2021-01-18 06:51:09 -08:00
parent d53150f855
commit 877485a1a5
1 changed files with 20 additions and 4 deletions
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24
nx/source/display/framebuffer.c
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@ -22,6 +22,22 @@ static const NvColorFormat g_nvColorFmtTable[] = {
NvColorFormat_A4B4G4R4, // PIXEL_FORMAT_RGBA_4444
};
void* __attribute__((weak)) __libnx_framebuffer_alloc(size_t size) {
return aligned_alloc(0x1000, size);
}
void __attribute__((weak)) __libnx_framebuffer_free(void* mem) {
free(mem);
}
void* __attribute__((weak)) __libnx_framebuffer_linear_alloc(size_t size) {
return calloc(1, size);
}
void __attribute__((weak)) __libnx_framebuffer_linear_free(void* mem) {
free(mem);
}
Result framebufferCreate(Framebuffer* fb, NWindow *win, u32 width, u32 height, u32 format, u32 num_fbs)
{
Result rc = 0;
@ -76,7 +92,7 @@ Result framebufferCreate(Framebuffer* fb, NWindow *win, u32 width, u32 height, u
const u32 fb_size = width_aligned_bytes*height_aligned;
const u32 buf_size = (num_fbs*fb_size + 0xFFF) &~ 0xFFF; // needs to be page aligned
fb->buf = aligned_alloc(0x1000, buf_size);
fb->buf = __libnx_framebuffer_alloc(buf_size);
if (!fb->buf)
rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
@ -119,7 +135,7 @@ Result framebufferMakeLinear(Framebuffer* fb)
return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
u32 height = (fb->win->height + 7) &~ 7; // GOBs are 8 rows tall
fb->buf_linear = calloc(1, fb->stride*height);
fb->buf_linear = __libnx_framebuffer_linear_alloc(fb->stride*height);
if (!fb->buf_linear)
return MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
@ -132,12 +148,12 @@ void framebufferClose(Framebuffer* fb)
return;
if (fb->buf_linear)
free(fb->buf_linear);
__libnx_framebuffer_linear_free(fb->buf_linear);
if (fb->buf) {
nwindowReleaseBuffers(fb->win);
nvMapClose(&fb->map);
free(fb->buf);
__libnx_framebuffer_free(fb->buf);
}
memset(fb, 0, sizeof(*fb));