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i915: Enable winsys to get buffer from texture

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This commit is contained in:
Jakob Bornecrantz 2009-02-24 23:22:34 +01:00
parent 25b32eb8d0
commit 36348ff1da
2 changed files with 31 additions and 0 deletions
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18
src/gallium/drivers/i915simple/i915_texture.c
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@ -42,6 +42,7 @@
#include "i915_texture.h"
#include "i915_debug.h"
#include "i915_screen.h"
#include "i915_winsys.h"
/*
* Helper function and arrays
@ -765,3 +766,20 @@ i915_init_screen_texture_functions(struct pipe_screen *screen)
screen->texture_blanket = i915_texture_blanket;
screen->tex_surface_release = i915_tex_surface_release;
}
boolean i915_get_texture_buffer( struct pipe_texture *texture,
struct pipe_buffer **buf,
unsigned *stride )
{
struct i915_texture *tex = (struct i915_texture *)texture;
if (!tex)
return FALSE;
pipe_buffer_reference(texture->screen, buf, tex->buffer);
if (stride)
*stride = tex->stride;
return TRUE;
}

13
src/gallium/drivers/i915simple/i915_winsys.h
View file

@ -56,6 +56,7 @@ extern "C" {
*/
struct i915_batchbuffer;
struct pipe_texture;
struct pipe_buffer;
struct pipe_fence_handle;
struct pipe_winsys;
@ -123,6 +124,18 @@ struct pipe_context *i915_create_context( struct pipe_screen *screen,
struct pipe_winsys *winsys,
struct i915_winsys *i915 );
/**
* Used for the winsys to get the buffer used for a texture
* and also the stride used for the texture.
*
* Buffer is referenced for you so you need to unref after use.
*
* This is needed for example kms.
*/
boolean i915_get_texture_buffer( struct pipe_texture *texture,
struct pipe_buffer **buf,
unsigned *stride );
#ifdef __cplusplus
}
#endif