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Allow custom pipe driver buffer usage flags.

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This commit is contained in:
José Fonseca 2007-11-06 14:43:20 +00:00
parent fa1a66d7fc
commit a06dcfd75b
3 changed files with 12 additions and 6 deletions
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2
src/mesa/pipe/i915simple/i915_prim_vbuf.c
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@ -378,7 +378,7 @@ static void vbuf_flush_elements( struct draw_stage *stage )
vbuf->buf = winsys->buffer_create(winsys, 64);
winsys->buffer_data( winsys, vbuf->buf,
VBUF_SIZE, NULL,
PIPE_BUFFER_USAGE_VERTEX );
I915_BUFFER_USAGE_LIT_VERTEX );
vbuf->vertex_map = winsys->buffer_map(winsys,
vbuf->buf,
PIPE_BUFFER_FLAG_WRITE );

5
src/mesa/pipe/i915simple/i915_winsys.h
View file

@ -37,6 +37,9 @@
#define I915_WINSYS_H
#include "pipe/p_defines.h"
/* Pipe drivers are (meant to be!) independent of both GL and the
* window system. The window system provides a buffer manager and a
* set of additional hooks for things like command buffer submission,
@ -100,6 +103,8 @@ struct i915_winsys {
#define I915_BUFFER_ACCESS_WRITE 0x1
#define I915_BUFFER_ACCESS_READ 0x2
#define I915_BUFFER_USAGE_LIT_VERTEX (PIPE_BUFFER_USAGE_CUSTOM << 0)
struct pipe_context *i915_create( struct pipe_winsys *,
struct i915_winsys *,

11
src/mesa/pipe/p_defines.h
View file

@ -177,11 +177,12 @@
/**
* Buffer usage flags
*/
#define PIPE_BUFFER_USAGE_PIXEL 0x1
#define PIPE_BUFFER_USAGE_VERTEX 0x2
#define PIPE_BUFFER_USAGE_INDEX 0x4
#define PIPE_BUFFER_USAGE_CONSTANT 0x8
#define PIPE_BUFFER_USAGE_PIXEL (1 << 0)
#define PIPE_BUFFER_USAGE_VERTEX (1 << 1)
#define PIPE_BUFFER_USAGE_INDEX (1 << 2)
#define PIPE_BUFFER_USAGE_CONSTANT (1 << 3)
/** Pipe driver custam usage flags should be greater or equal to this value */
#define PIPE_BUFFER_USAGE_CUSTOM (1 << 16)
/**
* Flush types: