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#include <stdio.h>
#include <pixman.h>
#include <stddef.h>
#include "simplex86.h"
#include "simple-reg.h"
#include "stack-man.h"
static const reg_pool_t gp64 =
{
15, 8,
{
rax, rbx, rcx, rdx, rdi, rsi, rbp,
r8, r9, r10, r11, r12, r13, r14, r15
}
};
static const reg_pool_t xmm =
{
15, 16,
{
xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15,
}
};
typedef struct jit_t jit_t;
struct jit_t
{
pixman_op_t op;
pixman_format_code_t src_format;
pixman_format_code_t dest_format;
pixman_format_code_t mask_format;
assembler_t * assembler;
fragment_t * fragment;
stack_man_t stack_man;
};
typedef struct
{
pixman_op_t op;
pixman_image_t * src_image;
pixman_image_t * mask_image;
pixman_image_t * dest_image;
int32_t src_x;
int32_t src_y;
int32_t mask_x;
int32_t mask_y;
int32_t dest_x;
int32_t dest_y;
int32_t width;
int32_t height;
uint32_t src_flags;
uint32_t mask_flags;
uint32_t dest_flags;
} pixman_composite_info_t;
typedef struct image_common image_common_t;
typedef struct bits_image bits_image_t;
typedef enum
{
BITS,
LINEAR,
CONICAL,
RADIAL,
SOLID
} image_type_t;
struct image_common
{
image_type_t type;
int32_t ref_count;
pixman_region32_t clip_region;
int32_t alpha_count; /* How many times this image is being used as an alpha map */
pixman_bool_t have_clip_region; /* FALSE if there is no clip */
pixman_bool_t client_clip; /* Whether the source clip was
set by a client */
pixman_bool_t clip_sources; /* Whether the clip applies when
* the image is used as a source
*/
pixman_bool_t dirty;
pixman_transform_t * transform;
pixman_repeat_t repeat;
pixman_filter_t filter;
pixman_fixed_t * filter_params;
int n_filter_params;
bits_image_t * alpha_map;
int alpha_origin_x;
int alpha_origin_y;
pixman_bool_t component_alpha;
void * property_changed;
pixman_image_destroy_func_t destroy_func;
void * destroy_data;
uint32_t flags;
pixman_format_code_t extended_format_code;
};
struct bits_image
{
image_common_t common;
pixman_format_code_t format;
const pixman_indexed_t * indexed;
int width;
int height;
uint32_t * bits;
uint32_t * free_me;
int rowstride; /* in number of uint32_t's */
void * fetch_scanline_32;
void * fetch_pixel_32;
void * store_scanline_32;
void * fetch_scanline_64;
void * fetch_pixel_64;
void * store_scanline_64;
/* Used for indirect access to the bits */
void * read_func;
void * write_func;
};
#define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
#define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
#define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
#define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
#define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
#define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
static bool_t
create_blitter (fragment_t * fragment,
reg_context_t * gp_context,
reg_context_t * xmm_context,
pixman_op_t op,
pixman_format_code_t src_format,
pixman_format_code_t mask_format,
pixman_format_code_t dest_format)
{
reg_t width, height, dst, dst_stride, mask, mask_stride, src, src_stride;
reg_context_t args;
reg_t w, info, tmp;
int dst_shift;
switch (PIXMAN_FORMAT_BPP (dest_format))
{
case 32:
dst_shift = 2;
break;
case 16:
dst_shift = 1;
break;
case 8:
dst_shift = 0;
break;
default:
return FALSE;
}
reg_context_init (&args, gp_context, 1, rsi);
info = rsi;
width = reg_context_alloc (&args, fragment);
height = reg_context_alloc (&args, fragment);
dst = reg_context_alloc (&args, fragment);
dst_stride = reg_context_alloc (&args, fragment);
tmp = reg_context_alloc (&args, fragment);
BEGIN_ASM (fragment)
I_mov, width, BASE (info, offsetof (pixman_composite_info_t, width)),
I_mov, height, BASE (info, offsetof (pixman_composite_info_t, height)),
I_mov, tmp, BASE (info, offsetof (pixman_composite_info_t, dest_image)),
/* Get stride in bytes */
I_mov, dst_stride, BASE (tmp, offsetof (bits_image_t, rowstride)),
I_shl, dst_stride, IMM (2), /* Convert to bytes */
/* Compute dest origin */
I_mov, dst, BASE (tmp, offsetof (bits_image_t, bits)),
I_mov, tmp, BASE (info, offsetof (pixman_composite_info_t, dest_y)),
I_imul2, tmp, dst_stride,
I_add, dst, tmp, /* dst = base + stride * y */
I_mov, tmp, BASE (info, offsetof (pixman_composite_info_t, dest_x)),
I_lea, dst, INDEX (dst, 0, tmp, dst_shift), /* dst = dst + dst_x * dst_bpp*/
END_ASM ();
reg_context_free (&args, tmp);
reg_context_free (&args, info);
BEGIN_ASM (fragment)
DEFINE_LABEL ("main"),
END_ASM ();
w = reg_context_alloc (&args, fragment);
BEGIN_ASM (fragment)
I_mov, w, width,
DEFINE_LABEL ("scanline"),
I_sub, w, IMM (1),
I_jnz, LABEL ("scanline"),
END_ASM ();
BEGIN_ASM (fragment)
I_sub, height, IMM (1),
I_jnz, LABEL ("main"),
END_ASM ();
reg_context_fini (&args, fragment, 0);
return TRUE;
}
int
main ()
{
assembler_t *as = assembler_new ("pixman");
fragment_t *fragment = fragment_new (as);
reg_alloc_t gp_alloc, xmm_alloc;
stack_man_t stack_man;
reg_context_t gp_context, xmm_context;
uint8_t *c;
stack_manager_init (&stack_man);
reg_alloc_init (&gp_alloc, &gp64, &stack_man, &gp_context, 0);
reg_alloc_init (&xmm_alloc, &xmm, &stack_man, &xmm_context, 0);
create_blitter (fragment, &gp_context, &xmm_context,
PIXMAN_OP_IN,
PIXMAN_a8r8g8b8,
PIXMAN_a8,
PIXMAN_r5g6b5);
c = assembler_link (as, fragment, NULL);
return 0;
}
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