From: Nicolai Hähnle <nicolai.haeh...@amd.com>
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeon/radeon_winsys.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h
b/src/gallium/drivers/radeon/radeon_winsys.h
index 812c036..924ad9c 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -46,33 +46,36 @@ enum radeon_bo_domain { /* bitfield */
RADEON_DOMAIN_GTT = 2,
RADEON_DOMAIN_VRAM = 4,
RADEON_DOMAIN_VRAM_GTT = RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT
};
enum radeon_bo_flag { /* bitfield */
RADEON_FLAG_GTT_WC = (1 << 0),
RADEON_FLAG_CPU_ACCESS = (1 << 1),
RADEON_FLAG_NO_CPU_ACCESS = (1 << 2),
RADEON_FLAG_HANDLE = (1 << 3), /* the buffer most not be
suballocated */
+ RADEON_FLAG_SPARSE = (1 << 4),
};
enum radeon_bo_usage { /* bitfield */
RADEON_USAGE_READ = 2,
RADEON_USAGE_WRITE = 4,
RADEON_USAGE_READWRITE = RADEON_USAGE_READ | RADEON_USAGE_WRITE,
/* The winsys ensures that the CS submission will be scheduled after
* previously flushed CSs referencing this BO in a conflicting way.
*/
RADEON_USAGE_SYNCHRONIZED = 8
};
+#define RADEON_SPARSE_PAGE_SIZE (64 * 1024)
+
enum ring_type {
RING_GFX = 0,
RING_COMPUTE,
RING_DMA,
RING_UVD,
RING_VCE,
RING_LAST,
};
enum radeon_value_id {
@@ -500,20 +503,34 @@ struct radeon_winsys {
* \param whandle A winsys handle pointer.
* \param stride A stride of the buffer in bytes, for texturing.
* \return true on success.
*/
bool (*buffer_get_handle)(struct pb_buffer *buf,
unsigned stride, unsigned offset,
unsigned slice_size,
struct winsys_handle *whandle);
/**
+ * Change the commitment of a (64KB-page aligned) region of the given
+ * sparse buffer.
+ *
+ * \warning There is no automatic synchronization with command submission.
+ *
+ * \note Only implemented by the amdgpu winsys.
+ *
+ * \return false on out of memory or other failure, true on success.
+ */
+ bool (*buffer_commit)(struct pb_buffer *buf,
+ uint64_t offset, uint64_t size,
+ bool commit);
+
+ /**
* Return the virtual address of a buffer.
*
* When virtual memory is not in use, this is the offset relative to the
* relocation base (non-zero for sub-allocated buffers).
*
* \param buf A winsys buffer object
* \return virtual address
*/
uint64_t (*buffer_get_virtual_address)(struct pb_buffer *buf);
--
2.9.3
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
