X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsvga%2Fsvga_winsys.h;h=19d074fd66d988e581d61d48efa8929443642338;hb=6aaa814995d922d6f9cc68bc26276fd752866ceb;hp=ae61cea083f11d0541469031d0c978327db22d85;hpb=2bf95c519e755146704f4942b1703d47d18bfeaa;p=mesa.git diff --git a/src/gallium/drivers/svga/svga_winsys.h b/src/gallium/drivers/svga/svga_winsys.h index ae61cea083f..19d074fd66d 100644 --- a/src/gallium/drivers/svga/svga_winsys.h +++ b/src/gallium/drivers/svga/svga_winsys.h @@ -56,18 +56,38 @@ struct winsys_handle; #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; + /** @@ -92,7 +112,8 @@ 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); @@ -111,6 +132,47 @@ 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); @@ -125,6 +187,38 @@ 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); + }; @@ -159,8 +253,17 @@ struct svga_winsys_screen /** - * 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. * @@ -191,6 +294,7 @@ struct svga_winsys_screen (*surface_create)(struct svga_winsys_screen *sws, SVGA3dSurfaceFlags flags, SVGA3dSurfaceFormat format, + unsigned usage, SVGA3dSize size, uint32 numFaces, uint32 numMipLevels); @@ -230,6 +334,18 @@ struct svga_winsys_screen 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. * @@ -288,6 +404,34 @@ 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); + };