r600g: move CB_SHADER_MASK setup into cb_misc_state
[profile/ivi/mesa.git] / src / gallium / drivers / r600 / r600_pipe.h
index 4d5b67a..608cb10 100644 (file)
 #ifndef R600_PIPE_H
 #define R600_PIPE_H
 
-#include "../../winsys/radeon/drm/radeon_winsys.h"
-
-#include "pipe/p_state.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "util/u_math.h"
 #include "util/u_slab.h"
-#include "util/u_vbuf.h"
 #include "r600.h"
+#include "r600_llvm.h"
 #include "r600_public.h"
 #include "r600_shader.h"
 #include "r600_resource.h"
+#include "evergreen_compute.h"
 
 #define R600_MAX_CONST_BUFFERS 2
 #define R600_MAX_CONST_BUFFER_SIZE 4096
@@ -73,19 +68,30 @@ struct r600_command_buffer {
        struct r600_atom atom;
        uint32_t *buf;
        unsigned max_num_dw;
+       unsigned pkt_flags;
 };
 
-struct r600_atom_surface_sync {
+struct r600_surface_sync_cmd {
        struct r600_atom atom;
        unsigned flush_flags; /* CP_COHER_CNTL */
 };
 
-struct r600_atom_db_misc_state {
+struct r600_db_misc_state {
        struct r600_atom atom;
        bool occlusion_query_enabled;
        bool flush_depthstencil_enabled;
 };
 
+struct r600_cb_misc_state {
+       struct r600_atom atom;
+       unsigned cb_color_control; /* this comes from blend state */
+       unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
+       unsigned nr_cbufs;
+       unsigned nr_ps_color_outputs;
+       bool multiwrite;
+       bool dual_src_blend;
+};
+
 enum r600_pipe_state_id {
        R600_PIPE_STATE_BLEND = 0,
        R600_PIPE_STATE_BLEND_COLOR,
@@ -106,9 +112,15 @@ enum r600_pipe_state_id {
        R600_PIPE_STATE_RESOURCE,
        R600_PIPE_STATE_POLYGON_OFFSET,
        R600_PIPE_STATE_FETCH_SHADER,
+       R600_PIPE_STATE_SPI,
        R600_PIPE_NSTATES
 };
 
+struct compute_memory_pool;
+void compute_memory_pool_delete(struct compute_memory_pool* pool);
+struct compute_memory_pool* compute_memory_pool_new(
+       struct r600_screen *rscreen);
+
 struct r600_pipe_fences {
        struct r600_resource            *bo;
        unsigned                        *data;
@@ -126,15 +138,18 @@ struct r600_screen {
        unsigned                        family;
        enum chip_class                 chip_class;
        struct radeon_info              info;
+       bool                            has_streamout;
        struct r600_tiling_info         tiling_info;
-       struct util_slab_mempool        pool_buffers;
        struct r600_pipe_fences         fences;
 
-       unsigned                        num_contexts;
-       unsigned                        use_surface;
+       bool                            use_surface_alloc;
+       int                             glsl_feature_level;
 
-       /* for thread-safe write accessing to num_contexts */
-       pipe_mutex                      mutex_num_contexts;
+       /*for compute global memory binding, we allocate stuff here, instead of
+        * buffers.
+        * XXX: Not sure if this is the best place for global_pool.  Also,
+        * it's not thread safe, so it won't work with multiple contexts. */
+       struct compute_memory_pool *global_pool;
 };
 
 struct r600_pipe_sampler_view {
@@ -152,12 +167,14 @@ struct r600_pipe_rasterizer {
        unsigned                        pa_cl_clip_cntl;
        float                           offset_units;
        float                           offset_scale;
+       bool                            scissor_enable;
 };
 
 struct r600_pipe_blend {
        struct r600_pipe_state          rstate;
        unsigned                        cb_target_mask;
        unsigned                        cb_color_control;
+       bool                            dual_src_blend;
 };
 
 struct r600_pipe_dsa {
@@ -166,34 +183,49 @@ struct r600_pipe_dsa {
        ubyte                           valuemask[2];
        ubyte                           writemask[2];
        bool                            is_flush;
+       unsigned                        sx_alpha_test_control;
 };
 
 struct r600_vertex_element
 {
        unsigned                        count;
        struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
-       struct u_vbuf_elements          *vmgr_elements;
        struct r600_resource            *fetch_shader;
        unsigned                        fs_size;
        struct r600_pipe_state          rstate;
-       /* if offset is to big for fetch instructio we need to alterate
-        * offset of vertex buffer, record here the offset need to add
-        */
-       unsigned                        vbuffer_need_offset;
-       unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
+};
+
+struct r600_pipe_shader;
+
+struct r600_pipe_shader_selector {
+       struct r600_pipe_shader *current;
+
+       struct tgsi_token       *tokens;
+       struct pipe_stream_output_info  so;
+
+       unsigned        num_shaders;
+
+       /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
+       unsigned        type;
+
+       unsigned        nr_ps_max_color_exports;
 };
 
 struct r600_pipe_shader {
+       struct r600_pipe_shader_selector *selector;
+       struct r600_pipe_shader *next_variant;
        struct r600_shader              shader;
        struct r600_pipe_state          rstate;
        struct r600_resource            *bo;
        struct r600_resource            *bo_fetch;
        struct r600_vertex_element      vertex_elements;
-       struct tgsi_token               *tokens;
        unsigned        sprite_coord_enable;
        unsigned        flatshade;
        unsigned        pa_cl_vs_out_cntl;
-       struct pipe_stream_output_info  so;
+       unsigned        nr_ps_color_outputs;
+       unsigned        key;
+       unsigned                db_shader_control;
+       unsigned                ps_depth_export;
 };
 
 struct r600_pipe_sampler_state {
@@ -237,33 +269,39 @@ struct r600_stencil_ref
        ubyte writemask[2];
 };
 
+struct r600_constbuf_state
+{
+       struct r600_atom                atom;
+       struct pipe_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
+       uint32_t                        enabled_mask;
+       uint32_t                        dirty_mask;
+};
+
 struct r600_context {
        struct pipe_context             context;
        struct blitter_context          *blitter;
        enum radeon_family              family;
        enum chip_class                 chip_class;
+       boolean                         has_vertex_cache;
        unsigned                        r6xx_num_clause_temp_gprs;
        void                            *custom_dsa_flush;
        struct r600_screen              *screen;
        struct radeon_winsys            *ws;
        struct r600_pipe_state          *states[R600_PIPE_NSTATES];
        struct r600_vertex_element      *vertex_elements;
-       struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
        struct pipe_framebuffer_state   framebuffer;
-       unsigned                        cb_target_mask;
-       unsigned                        cb_color_control;
+       unsigned                        compute_cb_target_mask;
+       unsigned                        sx_alpha_test_control;
+       unsigned                        db_shader_control;
        unsigned                        pa_sc_line_stipple;
        unsigned                        pa_cl_clip_cntl;
        /* for saving when using blitter */
        struct pipe_stencil_ref         stencil_ref;
        struct pipe_viewport_state      viewport;
        struct pipe_clip_state          clip;
-       struct r600_pipe_shader         *ps_shader;
-       struct r600_pipe_shader         *vs_shader;
-       struct r600_pipe_state          vs_const_buffer;
-       struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
-       struct r600_pipe_state          ps_const_buffer;
-       struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
+       struct r600_pipe_shader_selector        *ps_shader;
+       struct r600_pipe_shader_selector        *vs_shader;
+       struct r600_pipe_compute        *cs_shader;
        struct r600_pipe_rasterizer     *rasterizer;
        struct r600_pipe_state          vgt;
        struct r600_pipe_state          spi;
@@ -273,7 +311,9 @@ struct r600_context {
        unsigned                        saved_render_cond_mode;
        /* shader information */
        boolean                         two_side;
+       boolean                         spi_dirty;
        unsigned                        sprite_coord_enable;
+       boolean                         flatshade;
        boolean                         export_16bpc;
        unsigned                        alpha_ref;
        boolean                         alpha_ref_dirty;
@@ -281,21 +321,26 @@ struct r600_context {
        struct r600_textures_info       vs_samplers;
        struct r600_textures_info       ps_samplers;
 
-       struct u_vbuf                   *vbuf_mgr;
+       struct u_upload_mgr             *uploader;
        struct util_slab_mempool        pool_transfers;
        boolean                         have_depth_texture, have_depth_fb;
 
        unsigned default_ps_gprs, default_vs_gprs;
 
-       /* States based on r600_state. */
+       /* States based on r600_atom. */
        struct list_head                dirty_states;
-       struct r600_command_buffer      atom_start_cs; /* invariant state mostly */
-       struct r600_atom_surface_sync   atom_surface_sync;
-       struct r600_atom                atom_r6xx_flush_and_inv;
-       struct r600_atom_db_misc_state  atom_db_misc_state;
+       struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
+       /** Compute specific registers initializations.  The start_cs_cmd atom
+        *  must be emitted before start_compute_cs_cmd. */
+        struct r600_command_buffer      start_compute_cs_cmd;
+       struct r600_surface_sync_cmd    surface_sync_cmd;
+       struct r600_atom                r6xx_flush_and_inv_cmd;
+       struct r600_cb_misc_state       cb_misc_state;
+       struct r600_db_misc_state       db_misc_state;
+       struct r600_atom                vertex_buffer_state;
+       struct r600_constbuf_state      vs_constbuf_state;
+       struct r600_constbuf_state      ps_constbuf_state;
 
-       /* Below are variables from the old r600_context.
-        */
        struct radeon_winsys_cs *cs;
 
        struct r600_range       *range;
@@ -309,8 +354,18 @@ struct r600_context {
 
        /* The list of active queries. Only one query of each type can be active. */
        int                     num_occlusion_queries;
-       struct list_head        active_query_list;
-       unsigned                num_cs_dw_queries_suspend;
+
+       /* Manage queries in two separate groups:
+        * The timer ones and the others (streamout, occlusion).
+        *
+        * We do this because we should only suspend non-timer queries for u_blitter,
+        * and later if the non-timer queries are suspended, the context flush should
+        * only suspend and resume the timer queries. */
+       struct list_head        active_timer_queries;
+       unsigned                num_cs_dw_timer_queries_suspend;
+       struct list_head        active_nontimer_queries;
+       unsigned                num_cs_dw_nontimer_queries_suspend;
+
        unsigned                num_cs_dw_streamout_end;
 
        unsigned                backend_mask;
@@ -319,13 +374,29 @@ struct r600_context {
        boolean                 predicate_drawing;
        struct r600_range       ps_resources;
        struct r600_range       vs_resources;
-       struct r600_range       fs_resources;
-       int                     num_ps_resources, num_vs_resources, num_fs_resources;
+       int                     num_ps_resources, num_vs_resources;
 
        unsigned                num_so_targets;
        struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
        boolean                 streamout_start;
        unsigned                streamout_append_bitmask;
+
+       /* There is no scissor enable bit on r6xx, so we must use a workaround.
+        * These track the current scissor state. */
+       bool                    scissor_enable;
+       struct pipe_scissor_state scissor_state;
+
+       /* With rasterizer discard, there doesn't have to be a pixel shader.
+        * In that case, we bind this one: */
+       void                    *dummy_pixel_shader;
+
+       boolean                 dual_src_blend;
+
+       /* Vertex and index buffers. */
+       bool                    vertex_buffers_dirty;
+       struct pipe_index_buffer index_buffer;
+       struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
+       unsigned                nr_vertex_buffers;
 };
 
 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
@@ -356,23 +427,22 @@ void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader
 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 void evergreen_polygon_offset_update(struct r600_context *rctx);
-void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
-                                        struct r600_pipe_resource_state *rstate);
-void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
-                                       struct r600_pipe_resource_state *rstate,
-                                       struct r600_resource *rbuffer,
-                                       unsigned offset, unsigned stride,
-                                       enum radeon_bo_usage usage);
 boolean evergreen_is_format_supported(struct pipe_screen *screen,
                                      enum pipe_format format,
                                      enum pipe_texture_target target,
                                      unsigned sample_count,
                                      unsigned usage);
+void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
+                         const struct pipe_framebuffer_state *state, int cb);
+
+
+void evergreen_update_dual_export_state(struct r600_context * rctx);
 
 /* r600_blit.c */
 void r600_init_blit_functions(struct r600_context *rctx);
-void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
-void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
+void r600_blit_uncompress_depth(struct pipe_context *ctx,
+               struct r600_resource_texture *texture,
+               struct r600_resource_texture *staging);
 void r600_flush_depth_textures(struct r600_context *rctx);
 
 /* r600_buffer.c */
@@ -382,12 +452,6 @@ bool r600_init_resource(struct r600_screen *rscreen,
                        unsigned bind, unsigned usage);
 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
                                         const struct pipe_resource *templ);
-struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
-                                             void *ptr, unsigned bytes,
-                                             unsigned bind);
-void r600_upload_index_buffer(struct r600_context *rctx,
-                             struct pipe_index_buffer *ib, unsigned count);
-
 
 /* r600_pipe.c */
 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
@@ -395,17 +459,25 @@ void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 
 /* r600_query.c */
 void r600_init_query_functions(struct r600_context *rctx);
+void r600_suspend_nontimer_queries(struct r600_context *ctx);
+void r600_resume_nontimer_queries(struct r600_context *ctx);
+void r600_suspend_timer_queries(struct r600_context *ctx);
+void r600_resume_timer_queries(struct r600_context *ctx);
 
 /* r600_resource.c */
 void r600_init_context_resource_functions(struct r600_context *r600);
 
 /* r600_shader.c */
 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
+#ifdef HAVE_OPENCL
+int r600_compute_shader_create(struct pipe_context * ctx,
+       LLVMModuleRef mod,  struct r600_bytecode * bytecode);
+#endif
 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
-int r600_find_vs_semantic_index(struct r600_shader *vs,
-                               struct r600_shader *ps, int id);
 
 /* r600_state.c */
+void r600_set_scissor_state(struct r600_context *rctx,
+                           const struct pipe_scissor_state *state);
 void r600_update_sampler_states(struct r600_context *rctx);
 void r600_init_state_functions(struct r600_context *rctx);
 void r600_init_atom_start_cs(struct r600_context *rctx);
@@ -414,18 +486,13 @@ void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shad
 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 void r600_polygon_offset_update(struct r600_context *rctx);
-void r600_pipe_init_buffer_resource(struct r600_context *rctx,
-                                   struct r600_pipe_resource_state *rstate);
-void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
-                                  struct r600_resource *rbuffer,
-                                  unsigned offset, unsigned stride,
-                                  enum radeon_bo_usage usage);
 void r600_adjust_gprs(struct r600_context *rctx);
 boolean r600_is_format_supported(struct pipe_screen *screen,
                                 enum pipe_format format,
                                 enum pipe_texture_target target,
                                 unsigned sample_count,
                                 unsigned usage);
+void r600_update_dual_export_state(struct r600_context * rctx);
 
 /* r600_texture.c */
 void r600_init_screen_texture_functions(struct pipe_screen *screen);
@@ -460,20 +527,24 @@ void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 void r600_set_blend_color(struct pipe_context *ctx,
                          const struct pipe_blend_color *state);
 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
+void r600_set_max_scissor(struct r600_context *rctx);
 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 void r600_sampler_view_destroy(struct pipe_context *ctx,
                               struct pipe_sampler_view *state);
 void r600_delete_state(struct pipe_context *ctx, void *state);
 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
-void *r600_create_shader_state(struct pipe_context *ctx,
-                              const struct pipe_shader_state *state);
+void *r600_create_shader_state_ps(struct pipe_context *ctx,
+                   const struct pipe_shader_state *state);
+void *r600_create_shader_state_vs(struct pipe_context *ctx,
+                   const struct pipe_shader_state *state);
 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
+void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
-                             struct pipe_resource *buffer);
+                             struct pipe_constant_buffer *cb);
 struct pipe_stream_output_target *
 r600_create_so_target(struct pipe_context *ctx,
                      struct pipe_resource *buffer,
@@ -502,10 +573,13 @@ unsigned r600_tex_compare(unsigned compare);
 #define PKT3_SET_CONFIG_REG    0x68
 #define PKT3_SET_CONTEXT_REG   0x69
 #define PKT3_SET_CTL_CONST      0x6F
+#define PKT3_SET_LOOP_CONST                    0x6C
 
 #define R600_CONFIG_REG_OFFSET 0x08000
 #define R600_CONTEXT_REG_OFFSET 0x28000
 #define R600_CTL_CONST_OFFSET   0x3CFF0
+#define R600_LOOP_CONST_OFFSET                 0X0003E200
+#define EG_LOOP_CONST_OFFSET               0x0003A200
 
 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
@@ -526,22 +600,50 @@ static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, uns
        cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 }
 
+/**
+ * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
+ * shaders.
+ */
 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 {
        assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
        assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
-       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
+       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
        cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 }
 
+/**
+ * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
+ * shaders.
+ */
 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 {
        assert(reg >= R600_CTL_CONST_OFFSET);
        assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
-       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
+       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
        cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 }
 
+static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
+{
+       assert(reg >= R600_LOOP_CONST_OFFSET);
+       assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
+       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
+       cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
+}
+
+/**
+ * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
+ * shaders.
+ */
+static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
+{
+       assert(reg >= EG_LOOP_CONST_OFFSET);
+       assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
+       cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
+       cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
+}
+
 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 {
        r600_store_config_reg_seq(cb, reg, 1);
@@ -560,6 +662,18 @@ static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned
        r600_store_value(cb, value);
 }
 
+static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
+{
+       r600_store_loop_const_seq(cb, reg, 1);
+       r600_store_value(cb, value);
+}
+
+static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
+{
+       eg_store_loop_const_seq(cb, reg, 1);
+       r600_store_value(cb, value);
+}
+
 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
 void r600_release_command_buffer(struct r600_command_buffer *cb);
 
@@ -567,6 +681,13 @@ void r600_release_command_buffer(struct r600_command_buffer *cb);
  * Helpers for emitting state into a command stream directly.
  */
 
+static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
+                                            enum radeon_bo_usage usage)
+{
+       assert(usage);
+       return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
+}
+
 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
 {
        cs->buf[cs->cdw++] = value;
@@ -639,4 +760,12 @@ static INLINE unsigned r600_pack_float_12p4(float x)
               x >= 4096 ? 0xffff : x * 16;
 }
 
+static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
+{
+       struct r600_screen *rscreen = (struct r600_screen*)screen;
+       struct r600_resource *rresource = (struct r600_resource*)resource;
+
+       return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
+}
+
 #endif