#define SVGA_BUFFER_USAGE_PINNED (1 << 0)
#define SVGA_BUFFER_USAGE_WRAPPED (1 << 1)
+#define SVGA_BUFFER_USAGE_SHADER (1 << 2)
+/**
+ * Relocation flags to help with dirty tracking
+ * SVGA_RELOC_WRITE - The command will cause a GPU write to this
+ * resource.
+ * SVGA_RELOC_READ - The command will cause a GPU read from this
+ * resource.
+ * SVGA_RELOC_INTERNAL The command will only transfer data internally
+ * within the resource, and optionally clear
+ * dirty bits
+ * SVGA_RELOC_DMA - Only set for resource buffer DMA uploads for winsys
+ * implementations that want to track the amount
+ * of such data referenced in the command stream.
+ */
+#define SVGA_RELOC_WRITE (1 << 0)
+#define SVGA_RELOC_READ (1 << 1)
+#define SVGA_RELOC_INTERNAL (1 << 2)
+#define SVGA_RELOC_DMA (1 << 3)
-#define SVGA_RELOC_WRITE 0x1
-#define SVGA_RELOC_READ 0x2
-
+#define SVGA_FENCE_FLAG_EXEC (1 << 0)
+#define SVGA_FENCE_FLAG_QUERY (1 << 1)
+#define SVGA_SURFACE_USAGE_SHARED (1 << 0)
/** Opaque surface handle */
struct svga_winsys_surface;
-/** Opaque buffer handle */
-struct svga_winsys_handle;
+
+/** Opaque guest-backed objects */
+struct svga_winsys_gb_shader;
+
/**
*/
void
(*surface_relocation)(struct svga_winsys_context *swc,
- uint32 *sid,
+ uint32 *sid,
+ uint32 *mobid,
struct svga_winsys_surface *surface,
unsigned flags);
uint32 offset,
unsigned flags);
+ /**
+ * Emit a relocation for a guest-backed shader object.
+ *
+ * NOTE: Order of this call does matter. It should be the same order
+ * as relocations appear in the command buffer.
+ */
+ void
+ (*shader_relocation)(struct svga_winsys_context *swc,
+ uint32 *shid,
+ uint32 *mobid,
+ uint32 *offset,
+ struct svga_winsys_gb_shader *shader);
+
+ /**
+ * Emit a relocation for a guest-backed context.
+ *
+ * NOTE: Order of this call does matter. It should be the same order
+ * as relocations appear in the command buffer.
+ */
+ void
+ (*context_relocation)(struct svga_winsys_context *swc, uint32 *cid);
+
+ /**
+ * Emit a relocation for a guest Memory OBject.
+ *
+ * @param flags bitmask of SVGA_RELOC_* flags
+ * @param offset_into_mob Buffer starts at this offset into the MOB.
+ *
+ * Note that not all commands accept an offset into the MOB and
+ * those commands can't use suballocated buffer pools. To trap
+ * errors from improper buffer pool usage, set the offset_into_mob
+ * pointer to NULL.
+ */
+ void
+ (*mob_relocation)(struct svga_winsys_context *swc,
+ SVGAMobId *id,
+ uint32 *offset_into_mob,
+ struct svga_winsys_buffer *buffer,
+ uint32 offset,
+ unsigned flags);
+
void
(*commit)(struct svga_winsys_context *swc);
* global to the entire SVGA device.
*/
uint32 cid;
+
+ /**
+ ** BEGIN new functions for guest-backed surfaces.
+ **/
+
+ boolean have_gb_objects;
+
+ /**
+ * Map a guest-backed surface.
+ * \param flags bitmaks of PIPE_TRANSFER_x flags
+ *
+ * The surface_map() member is allowed to fail due to a
+ * shortage of command buffer space, if the
+ * PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE bit is set in flags.
+ * In that case, the caller must flush the current command
+ * buffer and reissue the map.
+ */
+ void *
+ (*surface_map)(struct svga_winsys_context *swc,
+ struct svga_winsys_surface *surface,
+ unsigned flags, boolean *retry);
+
+ /**
+ * Unmap a guest-backed surface.
+ * \param rebind returns a flag indicating whether the caller should
+ * issue a SVGA3D_BindGBSurface() call.
+ */
+ void
+ (*surface_unmap)(struct svga_winsys_context *swc,
+ struct svga_winsys_surface *surface,
+ boolean *rebind);
+
};
/**
- * This creates a "surface" object in the SVGA3D device,
- * and returns the surface ID (sid). Surfaces are generic
+ * This creates a "surface" object in the SVGA3D device.
+ *
+ * \param sws Pointer to an svga_winsys_context
+ * \param flags Device surface create flags
+ * \param format Format Device surface format
+ * \param usage Winsys usage: bitmask of SVGA_SURFACE_USAGE_x flags
+ * \param size Surface size given in device format
+ * \param numFaces Number of faces of the surface (1 or 6)
+ * \param numMipLevels Number of mipmap levels for each face
+ *
+ * Returns the surface ID (sid). Surfaces are generic
* containers for host VRAM objects like textures, vertex
* buffers, and depth/stencil buffers.
*
(*surface_create)(struct svga_winsys_screen *sws,
SVGA3dSurfaceFlags flags,
SVGA3dSurfaceFormat format,
+ unsigned usage,
SVGA3dSize size,
uint32 numFaces,
uint32 numMipLevels);
struct svga_winsys_surface **pdst,
struct svga_winsys_surface *src);
+ /**
+ * Check if a resource (texture, buffer) of the given size
+ * and format can be created.
+ * \Return TRUE if OK, FALSE if too large.
+ */
+ boolean
+ (*surface_can_create)(struct svga_winsys_screen *sws,
+ SVGA3dSurfaceFormat format,
+ SVGA3dSize size,
+ uint32 numFaces,
+ uint32 numMipLevels);
+
/**
* Buffer management. Buffer attributes are mostly fixed over its lifetime.
*
struct pipe_fence_handle *fence,
unsigned flag );
+
+ /**
+ ** BEGIN new functions for guest-backed surfaces.
+ **/
+
+ /** Are guest-backed objects enabled? */
+ bool have_gb_objects;
+
+ /** Can we do DMA with guest-backed objects enabled? */
+ bool have_gb_dma;
+
+ /**
+ * Create and define a GB shader.
+ */
+ struct svga_winsys_gb_shader *
+ (*shader_create)(struct svga_winsys_screen *sws,
+ SVGA3dShaderType type,
+ const uint32 *bytecode,
+ uint32 bytecodeLen);
+
+ /**
+ * Destroy a GB shader. It's safe to call this function even
+ * if the shader is referenced in a context's command stream.
+ */
+ void
+ (*shader_destroy)(struct svga_winsys_screen *sws,
+ struct svga_winsys_gb_shader *shader);
+
};
projects / mesa.git / blobdiff