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/*
* Copyright 2010 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
*/
#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
#define R300_BUFFER_MAX_RANGES 32
struct r300_buffer_range {
uint32_t start;
uint32_t end;
};
/* Vertex buffer. */
struct r300_buffer
{
struct u_resource b;
uint32_t magic;
struct r300_winsys_buffer *buf;
enum r300_buffer_domain domain;
void *user_buffer;
struct r300_buffer_range ranges[R300_BUFFER_MAX_RANGES];
unsigned num_ranges;
};
/* Functions. */
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);
unsigned r300_buffer_is_referenced(struct pipe_context *context,
struct pipe_resource *buf,
enum r300_reference_domain domain);
/* Inline functions. */
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);
}
#endif
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