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#ifndef R300_SCREEN_BUFFER_H
#define R300_SCREEN_BUFFER_H
#include <stdio.h>
#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "util/u_transfer.h"
#include "r300_screen.h"
#include "r300_winsys.h"
#include "r300_context.h"
#define R300_BUFFER_MAGIC 0xabcd1234
struct r300_buffer_range {
uint32_t start;
uint32_t end;
};
#define R300_BUFFER_MAX_RANGES 32
struct r300_buffer
{
struct u_resource b;
uint32_t magic;
struct r300_winsys_buffer *buf;
void *user_buffer;
struct r300_buffer_range ranges[R300_BUFFER_MAX_RANGES];
unsigned num_ranges;
void *map;
};
static INLINE struct r300_buffer *
r300_buffer(struct pipe_resource *buffer)
{
if (buffer) {
assert(((struct r300_buffer *)buffer)->magic == R300_BUFFER_MAGIC);
return (struct r300_buffer *)buffer;
}
return NULL;
}
static INLINE boolean
r300_buffer_is_user_buffer(struct pipe_resource *buffer)
{
return r300_buffer(buffer)->user_buffer ? true : false;
}
static INLINE boolean r300_add_buffer(struct r300_winsys_screen *rws,
struct pipe_resource *buffer,
int rd, int wr)
{
struct r300_buffer *buf = r300_buffer(buffer);
if (!buf->buf)
return true;
return rws->add_buffer(rws, buf->buf, rd, wr);
}
static INLINE boolean r300_add_texture(struct r300_winsys_screen *rws,
struct r300_texture *tex,
int rd, int wr)
{
return rws->add_buffer(rws, tex->buffer, rd, wr);
}
static INLINE void r300_buffer_write_reloc(struct r300_winsys_screen *rws,
struct r300_buffer *buf,
uint32_t rd, uint32_t wd, uint32_t flags)
{
if (!buf->buf)
return;
rws->write_cs_reloc(rws, buf->buf, rd, wd, flags);
}
static INLINE void r300_texture_write_reloc(struct r300_winsys_screen *rws,
struct r300_texture *texture,
uint32_t rd, uint32_t wd, uint32_t flags)
{
rws->write_cs_reloc(rws, texture->buffer, rd, wd, flags);
}
int r300_upload_user_buffers(struct r300_context *r300);
int r300_upload_index_buffer(struct r300_context *r300,
struct pipe_resource **index_buffer,
unsigned index_size,
unsigned start,
unsigned count);
struct pipe_resource *r300_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ);
struct pipe_resource *r300_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
unsigned usage);
#endif
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