kolibrios/contrib/sdk/sources/Intel-2D/pixlib-sna.c

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// -kr -i4 -ts4 -bls -bl -bli0
#include <stdio.h>
#include <malloc.h>
#include <stdbool.h>
#include <pixlib2.h>
#include <kos32sys.h>
#define DISPLAY_VERSION 0x0200 /* 2.00 */
#define SRV_GETVERSION 0
#define SRV_GET_CAPS 3
#define BUFFER_SIZE(n) ((n)*sizeof(uint32_t))
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
#define to_surface(x) (surface_t*)((x)->handle)
typedef struct
{
uint32_t width;
uint32_t height;
void *data;
uint32_t pitch;
uint32_t bo;
uint32_t bo_size;
uint32_t flags;
} surface_t;
int sna_init(uint32_t service);
void sna_fini();
int sna_create_bitmap(bitmap_t * bitmap);
int sna_destroy_bitmap(bitmap_t * bitmap);
int sna_lock_bitmap(bitmap_t * bitmap);
int sna_resize_bitmap(bitmap_t *bitmap);
//int sna_blit_copy(bitmap_t * src_bitmap, int dst_x, int dst_y,
// int w, int h, int src_x, int src_y);
int sna_blit_tex(bitmap_t * src_bitmap, bool scale, int dst_x, int dst_y,
int w, int h, int src_x, int src_y);
static uint32_t service;
static uint32_t hw_caps;
uint32_t init_pixlib(uint32_t caps)
{
uint32_t api_version;
ioctl_t io;
if (service != 0)
return caps & hw_caps;
service = get_service("DISPLAY");
if (service == 0)
goto fail;
io.handle = service;
io.io_code = SRV_GETVERSION;
io.input = NULL;
io.inp_size = 0;
io.output = &api_version;
io.out_size = BUFFER_SIZE(1);
if (call_service(&io) != 0)
goto fail;
if ((DISPLAY_VERSION > (api_version & 0xFFFF)) ||
(DISPLAY_VERSION < (api_version >> 16)))
goto fail;
hw_caps = sna_init(service);
if (hw_caps)
printf("2D caps %s%s%s\n",
(hw_caps & HW_BIT_BLIT) != 0 ? "HW_BIT_BLIT " : "",
(hw_caps & HW_TEX_BLIT) != 0 ? "HW_TEX_BLIT " : "",
(hw_caps & HW_VID_BLIT) != 0 ? "HW_VID_BLIT " : "");
return caps & hw_caps;
fail:
service = 0;
return 0;
};
void done_pixlib()
{
if (hw_caps != 0)
sna_fini();
};
int create_bitmap(bitmap_t * bitmap)
{
uint32_t size, bo_size;
uint32_t pitch, max_pitch;
void *buffer;
surface_t *sf;
bitmap->handle = -1;
bitmap->data = (void *) -1;
bitmap->pitch = -1;
if (bitmap->flags &= hw_caps)
return sna_create_bitmap(bitmap);
pitch = ALIGN(bitmap->width * 4, 16);
max_pitch = ALIGN(bitmap->max_width * 4, 16);
size = ALIGN(pitch * bitmap->height, 4096);
bo_size = ALIGN(max_pitch * bitmap->max_height, 4096);
if (bo_size < size)
bo_size = size;
sf = malloc(sizeof(*sf));
if (sf == NULL)
return -1;
buffer = user_alloc(bo_size);
if (buffer == NULL)
{
free(sf);
return -1;
};
sf->width = bitmap->width;
sf->height = bitmap->height;
sf->data = buffer;
sf->pitch = pitch;
sf->bo = 0;
sf->bo_size = bo_size;
sf->flags = bitmap->flags;
bitmap->handle = (uint32_t) sf;
// printf("create bitmap %p handle %p data %p w %d h%d\n",
// bitmap, bitmap->handle, bitmap->data, bitmap->width, bitmap->height);
return 0;
};
int destroy_bitmap(bitmap_t * bitmap)
{
surface_t *sf = to_surface(bitmap);
if (sf->flags & hw_caps)
return sna_destroy_bitmap(bitmap);
user_free(sf->data);
free(sf);
bitmap->handle = -1;
bitmap->data = (void *) -1;
bitmap->pitch = -1;
return 0;
};
int lock_bitmap(bitmap_t * bitmap)
{
surface_t *sf = to_surface(bitmap);
if (bitmap->data != (void *) -1)
return 0;
if (sf->flags & hw_caps)
return sna_lock_bitmap(bitmap);
bitmap->data = sf->data;
bitmap->pitch = sf->pitch;
return 0;
};
int blit_bitmap(bitmap_t * bitmap, int dst_x, int dst_y,
int w, int h, int src_x, int src_y)
{
struct blit_call bc;
int ret;
surface_t *sf = to_surface(bitmap);
if (sf->flags & hw_caps & HW_BIT_BLIT)
return sna_blit_tex(bitmap, false, dst_x, dst_y, w, h, src_x, src_y);
bc.dstx = dst_x;
bc.dsty = dst_y;
bc.w = w;
bc.h = h;
bc.srcx = 0;
bc.srcy = 0;
bc.srcw = w;
bc.srch = h;
bc.stride = sf->pitch;
bc.bitmap = sf->data;
__asm__ __volatile__(
"int $0x40":"=a"(ret):"a"(73), "b"(0x00),
"c"(&bc):"memory");
bitmap->data = (void *) -1;
bitmap->pitch = -1;
return ret;
};
int fplay_blit_bitmap(bitmap_t * bitmap, int dst_x, int dst_y, int w, int h)
{
struct blit_call bc;
int ret;
surface_t *sf = to_surface(bitmap);
if (sf->flags & hw_caps & HW_TEX_BLIT)
return sna_blit_tex(bitmap, true, dst_x, dst_y, w, h, 0, 0);
bc.dstx = dst_x;
bc.dsty = dst_y;
bc.w = w;
bc.h = h;
bc.srcx = 0;
bc.srcy = 0;
bc.srcw = w;
bc.srch = h;
bc.stride = sf->pitch;
bc.bitmap = sf->data;
__asm__ __volatile__(
"int $0x40":"=a"(ret):"a"(73), "b"(0x00),
"c"(&bc):"memory");
bitmap->data = (void *) -1;
bitmap->pitch = -1;
return ret;
};
int resize_bitmap(bitmap_t * bitmap)
{
uint32_t size;
uint32_t pitch;
// printf("%s\n", __FUNCTION__);
surface_t *sf = to_surface(bitmap);
if (sf->flags & hw_caps)
{
return sna_resize_bitmap(bitmap);
};
pitch = ALIGN(bitmap->width * 4, 16);
size = ALIGN(pitch * bitmap->height, 4096);
bitmap->pitch = -1;
bitmap->data = (void *) -1;
if (size > sf->bo_size)
{
sf->data = user_realloc(sf->data, size); /* grow buffer */
if (sf->data == NULL)
return -1;
sf->bo_size = size;
} else if (size < sf->bo_size)
user_unmap(sf->data, size, sf->bo_size - size); /* unmap unused pages */
sf->width = bitmap->width;
sf->height = bitmap->height;
sf->pitch = pitch;
return 0;
};