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i915g: Add buffer write callback

This commit is contained in:
Jakob Bornecrantz 2009-09-09 00:38:04 +01:00 committed by Jakob Bornecrantz
parent d112132840
commit e589a37f7b
2 changed files with 24 additions and 0 deletions
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11
src/gallium/drivers/i915simple/intel_winsys.h
View File

@ -150,6 +150,17 @@ struct intel_winsys {
void (*buffer_unmap)(struct intel_winsys *iws,
struct intel_buffer *buffer);
/**
* Write to a buffer.
*
* Arguments follows pwrite(2)
*/
int (*buffer_write)(struct intel_winsys *iws,
struct intel_buffer *dst,
const void *src,
size_t size,
size_t offset);
void (*buffer_destroy)(struct intel_winsys *iws,
struct intel_buffer *buffer);
/*@}*/

13
src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
View File

@ -110,6 +110,18 @@ intel_drm_buffer_unmap(struct intel_winsys *iws,
drm_intel_bo_unmap(intel_bo(buffer));
}
static int
intel_drm_buffer_write(struct intel_winsys *iws,
struct intel_buffer *buffer,
const void *data,
size_t size,
size_t offset)
{
struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
}
static void
intel_drm_buffer_destroy(struct intel_winsys *iws,
struct intel_buffer *buffer)
@ -131,5 +143,6 @@ intel_drm_winsys_init_buffer_functions(struct intel_drm_winsys *idws)
idws->base.buffer_set_fence_reg = intel_drm_buffer_set_fence_reg;
idws->base.buffer_map = intel_drm_buffer_map;
idws->base.buffer_unmap = intel_drm_buffer_unmap;
idws->base.buffer_write = intel_drm_buffer_write;
idws->base.buffer_destroy = intel_drm_buffer_destroy;
}