6,6 → 6,16 |
#include "intel_drv.h" |
#include "bitmap.h" |
|
void __attribute__((regparm(1))) destroy_bitmap(bitmap_t *bitmap) |
{ |
/* |
* |
* |
* |
*/ |
__DestroyObject(bitmap); |
}; |
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extern struct drm_device *main_device; |
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struct hman bm_man; |
20,12 → 30,14 |
}; |
|
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int create_bitmap(struct ubitmap *pbitmap, int width, int height) |
int create_bitmap(struct ubitmap *pbitmap) |
{ |
struct drm_i915_gem_object *obj; |
|
bitmap_t *bitmap; |
u32 handle; |
u32 width; |
u32 height; |
u32 size; |
u32 pitch; |
void *uaddr; |
35,15 → 47,24 |
pbitmap->handle = 0; |
pbitmap->data = NULL; |
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width = pbitmap->width; |
height = pbitmap->height; |
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if((width==0)||(height==0)||(width>4096)||(height>4096)) |
goto err1; |
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handle = alloc_handle(&bm_man); |
// printf("%s %d\n",__FUNCTION__, handle); |
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if(handle == 0) |
goto err1; |
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bitmap = CreateObject(GetPid(), sizeof(*bitmap)); |
bitmap->handle = handle; |
bitmap->header.destroy = destroy_bitmap; |
bitmap->obj = NULL; |
|
// printf("bitmap %x\n", bitmap); |
if( bitmap == NULL) |
goto err1; |
|
52,6 → 73,7 |
pitch = ALIGN(width*4,64); |
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size = roundup(pitch*height, PAGE_SIZE); |
// printf("pitch %d size %d\n", pitch, size); |
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obj = i915_gem_alloc_object(main_device, size); |
if (obj == NULL) |
88,9 → 110,15 |
bitmap->gaddr = obj->gtt_offset; |
bitmap->uaddr = uaddr; |
bitmap->obj = obj; |
bitmap->header.destroy = destroy_bitmap; |
|
pbitmap->pitch = pitch; |
pbitmap->handle = handle; |
pbitmap->data = uaddr; |
|
// printf("%s handle %d pitch %d gpu %x user %x\n", |
// __FUNCTION__, handle, pitch, obj->gtt_offset, uaddr); |
|
return 0; |
|
err4: |
99,7 → 127,7 |
// drm_gem_object_unreference(&obj->base); |
err2: |
free_handle(&bm_man, handle); |
DestroyObject(bitmap); |
__DestroyObject(bitmap); |
err1: |
return -1; |
|
106,67 → 134,6 |
}; |
|
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int create_video(int width, int height, u32_t *outp) |
{ |
struct drm_i915_gem_object *obj; |
|
size_t size; |
size_t pitch; |
void *uaddr; |
|
int ret; |
|
if((width==0)||(height==0)||(width>4096)||(height>4096)) |
goto err1; |
|
pitch = ALIGN(width*4,64); |
|
size = roundup(pitch*height, PAGE_SIZE); |
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obj = i915_gem_alloc_object(main_device, size); |
if (obj == NULL) |
goto err2; |
|
ret = i915_gem_object_pin(obj, 4096, true); |
if (ret) |
goto err3; |
|
uaddr = UserAlloc(size); |
if( uaddr == NULL) |
goto err4; |
else |
{ |
u32_t *src, *dst; |
int count; |
|
#define page_tabs 0xFDC00000 /* really dirty hack */ |
|
src = (u32_t*)obj->pages; |
dst = &((u32_t*)page_tabs)[(u32_t)uaddr >> 12]; |
count = size/4096; |
|
while(count--) |
{ |
*dst++ = (0xFFFFF000 & *src++) | 0x207 ; // map as shared page |
}; |
} |
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outp[0] = obj->gtt_offset; |
outp[2] = (u32)uaddr; |
outp[3] = pitch; |
|
return 0; |
|
err4: |
// drm_gem_object_unpin; |
err3: |
// drm_gem_object_unreference(&obj->base); |
err2: |
err1: |
return -1; |
}; |
|
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int init_hman(struct hman *man, u32 count) |
{ |
u32* data; |