diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_winsys.h')
| -rw-r--r-- | src/gallium/drivers/svga/svga_winsys.h | 131 |
1 files changed, 127 insertions, 4 deletions
diff --git a/src/gallium/drivers/svga/svga_winsys.h b/src/gallium/drivers/svga/svga_winsys.h index f410cf0b3e7..f1f92376108 100644 --- a/src/gallium/drivers/svga/svga_winsys.h +++ b/src/gallium/drivers/svga/svga_winsys.h @@ -56,18 +56,39 @@ struct winsys_handle; #define SVGA_BUFFER_USAGE_PINNED (1 << 0) #define SVGA_BUFFER_USAGE_WRAPPED (1 << 1) +#define SVGA_BUFFER_USAGE_SHADER (1 << 2) - -#define SVGA_RELOC_WRITE 0x1 -#define SVGA_RELOC_READ 0x2 +/** + * 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_FENCE_FLAG_EXEC (1 << 0) #define SVGA_FENCE_FLAG_QUERY (1 << 1) + /** Opaque surface handle */ struct svga_winsys_surface; +/** Opaque guest-backed objects */ +struct svga_winsys_gb_shader; + + + /** * SVGA per-context winsys interface. */ @@ -90,7 +111,8 @@ struct svga_winsys_context */ void (*surface_relocation)(struct svga_winsys_context *swc, - uint32 *sid, + uint32 *sid, + uint32 *mobid, struct svga_winsys_surface *surface, unsigned flags); @@ -109,6 +131,47 @@ struct svga_winsys_context 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); @@ -123,6 +186,38 @@ struct svga_winsys_context * 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); + }; @@ -286,6 +381,34 @@ struct svga_winsys_screen 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); + }; |