radeonsi/gfx9: implement the scissor bug workaround without performance drop
[mesa.git] / src / gallium / drivers / radeonsi / si_state.h
index 17d210a3af23af99bda46e9aa2bb61d2296fb689..dc05021f4920e2a84ecda56dac965a7c7e407eca 100644 (file)
@@ -1,5 +1,6 @@
 /*
  * Copyright 2012 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Christian König <christian.koenig@amd.com>
  */
 
 #ifndef SI_STATE_H
 #define SI_STATE_H
 
 #include "si_pm4.h"
-#include "radeon/r600_pipe_common.h"
 
 #include "pipebuffer/pb_slab.h"
+#include "util/u_blitter.h"
 
 #define SI_NUM_GRAPHICS_SHADERS (PIPE_SHADER_TESS_EVAL+1)
 #define SI_NUM_SHADERS (PIPE_SHADER_COMPUTE+1)
 
-#define SI_MAX_ATTRIBS                 16
 #define SI_NUM_VERTEX_BUFFERS          SI_MAX_ATTRIBS
 #define SI_NUM_SAMPLERS                        32 /* OpenGL textures units per shader */
 #define SI_NUM_CONST_BUFFERS           16
 struct si_screen;
 struct si_shader;
 struct si_shader_selector;
+struct r600_texture;
+struct si_qbo_state;
+
+/* State atoms are callbacks which write a sequence of packets into a GPU
+ * command buffer (AKA indirect buffer, AKA IB, AKA command stream, AKA CS).
+ */
+struct si_atom {
+       void (*emit)(struct si_context *ctx);
+};
 
 struct si_state_blend {
        struct si_pm4_state     pm4;
        uint32_t                cb_target_mask;
-       bool                    alpha_to_coverage;
-       bool                    alpha_to_one;
-       bool                    dual_src_blend;
        /* Set 0xf or 0x0 (4 bits) per render target if the following is
         * true. ANDed with spi_shader_col_format.
         */
        unsigned                cb_target_enabled_4bit;
        unsigned                blend_enable_4bit;
        unsigned                need_src_alpha_4bit;
+       unsigned                commutative_4bit;
+       bool                    alpha_to_coverage:1;
+       bool                    alpha_to_one:1;
+       bool                    dual_src_blend:1;
+       bool                    logicop_enable:1;
 };
 
 struct si_state_rasterizer {
@@ -66,6 +74,8 @@ struct si_state_rasterizer {
        struct si_pm4_state     *pm4_poly_offset;
        unsigned                pa_sc_line_stipple;
        unsigned                pa_cl_clip_cntl;
+       float                   line_width;
+       float                   max_point_size;
        unsigned                sprite_coord_enable:8;
        unsigned                clip_plane_enable:8;
        unsigned                flatshade:1;
@@ -89,19 +99,39 @@ struct si_dsa_stencil_ref_part {
        uint8_t                 writemask[2];
 };
 
+struct si_dsa_order_invariance {
+       /** Whether the final result in Z/S buffers is guaranteed to be
+        * invariant under changes to the order in which fragments arrive. */
+       bool zs:1;
+
+       /** Whether the set of fragments that pass the combined Z/S test is
+        * guaranteed to be invariant under changes to the order in which
+        * fragments arrive. */
+       bool pass_set:1;
+
+       /** Whether the last fragment that passes the combined Z/S test at each
+        * sample is guaranteed to be invariant under changes to the order in
+        * which fragments arrive. */
+       bool pass_last:1;
+};
+
 struct si_state_dsa {
        struct si_pm4_state             pm4;
        struct si_dsa_stencil_ref_part  stencil_ref;
+
+       /* 0 = without stencil buffer, 1 = when both Z and S buffers are present */
+       struct si_dsa_order_invariance  order_invariance[2];
+
        ubyte                           alpha_func:3;
        bool                            depth_enabled:1;
        bool                            depth_write_enabled:1;
        bool                            stencil_enabled:1;
        bool                            stencil_write_enabled:1;
        bool                            db_can_write:1;
+
 };
 
 struct si_stencil_ref {
-       struct r600_atom                atom;
        struct pipe_stencil_ref         state;
        struct si_dsa_stencil_ref_part  dsa_part;
 };
@@ -142,41 +172,116 @@ union si_state {
        struct si_pm4_state     *array[0];
 };
 
+#define SI_STATE_IDX(name) \
+       (offsetof(union si_state, named.name) / sizeof(struct si_pm4_state *))
+#define SI_STATE_BIT(name) (1 << SI_STATE_IDX(name))
 #define SI_NUM_STATES (sizeof(union si_state) / sizeof(struct si_pm4_state *))
 
+static inline unsigned si_states_that_roll_context(void)
+{
+       return (SI_STATE_BIT(blend) |
+               SI_STATE_BIT(rasterizer) |
+               SI_STATE_BIT(dsa) |
+               SI_STATE_BIT(poly_offset) |
+               SI_STATE_BIT(es) |
+               SI_STATE_BIT(gs) |
+               SI_STATE_BIT(vgt_shader_config) |
+               SI_STATE_BIT(vs) |
+               SI_STATE_BIT(ps));
+}
+
 union si_state_atoms {
        struct {
                /* The order matters. */
-               struct r600_atom *render_cond;
-               struct r600_atom *streamout_begin;
-               struct r600_atom *streamout_enable; /* must be after streamout_begin */
-               struct r600_atom *framebuffer;
-               struct r600_atom *msaa_sample_locs;
-               struct r600_atom *db_render_state;
-               struct r600_atom *dpbb_state;
-               struct r600_atom *msaa_config;
-               struct r600_atom *sample_mask;
-               struct r600_atom *cb_render_state;
-               struct r600_atom *blend_color;
-               struct r600_atom *clip_regs;
-               struct r600_atom *clip_state;
-               struct r600_atom *shader_pointers;
-               struct r600_atom *scissors;
-               struct r600_atom *viewports;
-               struct r600_atom *stencil_ref;
-               struct r600_atom *spi_map;
-               struct r600_atom *scratch_state;
+               struct si_atom render_cond;
+               struct si_atom streamout_begin;
+               struct si_atom streamout_enable; /* must be after streamout_begin */
+               struct si_atom framebuffer;
+               struct si_atom msaa_sample_locs;
+               struct si_atom db_render_state;
+               struct si_atom dpbb_state;
+               struct si_atom msaa_config;
+               struct si_atom sample_mask;
+               struct si_atom cb_render_state;
+               struct si_atom blend_color;
+               struct si_atom clip_regs;
+               struct si_atom clip_state;
+               struct si_atom shader_pointers;
+               struct si_atom scissors;
+               struct si_atom viewports;
+               struct si_atom stencil_ref;
+               struct si_atom spi_map;
+               struct si_atom scratch_state;
        } s;
-       struct r600_atom *array[0];
+       struct si_atom array[0];
 };
 
-#define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct r600_atom*))
+#define SI_ATOM_BIT(name) (1 << (offsetof(union si_state_atoms, s.name) / \
+                                sizeof(struct si_atom)))
+#define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct si_atom*))
+
+static inline unsigned si_atoms_that_roll_context(void)
+{
+       return (SI_ATOM_BIT(streamout_begin) |
+               SI_ATOM_BIT(streamout_enable) |
+               SI_ATOM_BIT(framebuffer) |
+               SI_ATOM_BIT(msaa_sample_locs) |
+               SI_ATOM_BIT(db_render_state) |
+               SI_ATOM_BIT(dpbb_state) |
+               SI_ATOM_BIT(msaa_config) |
+               SI_ATOM_BIT(sample_mask) |
+               SI_ATOM_BIT(cb_render_state) |
+               SI_ATOM_BIT(blend_color) |
+               SI_ATOM_BIT(clip_regs) |
+               SI_ATOM_BIT(clip_state) |
+               SI_ATOM_BIT(scissors) |
+               SI_ATOM_BIT(viewports) |
+               SI_ATOM_BIT(stencil_ref) |
+               SI_ATOM_BIT(spi_map) |
+               SI_ATOM_BIT(scratch_state));
+}
 
 struct si_shader_data {
-       struct r600_atom        atom;
        uint32_t                sh_base[SI_NUM_SHADERS];
 };
 
+/* The list of registers whose emitted values are remembered by si_context. */
+enum si_tracked_reg {
+       SI_TRACKED_DB_RENDER_CONTROL, /* 2 consecutive registers */
+       SI_TRACKED_DB_COUNT_CONTROL,
+
+       SI_TRACKED_DB_RENDER_OVERRIDE2,
+       SI_TRACKED_DB_SHADER_CONTROL,
+
+       SI_TRACKED_CB_TARGET_MASK,
+       SI_TRACKED_CB_DCC_CONTROL,
+
+       SI_TRACKED_SX_PS_DOWNCONVERT, /* 3 consecutive registers */
+       SI_TRACKED_SX_BLEND_OPT_EPSILON,
+       SI_TRACKED_SX_BLEND_OPT_CONTROL,
+
+       SI_TRACKED_PA_SC_LINE_CNTL, /* 2 consecutive registers */
+       SI_TRACKED_PA_SC_AA_CONFIG,
+
+       SI_TRACKED_DB_EQAA,
+       SI_TRACKED_PA_SC_MODE_CNTL_1,
+
+       SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL,
+
+       SI_TRACKED_PA_CL_VS_OUT_CNTL,
+       SI_TRACKED_PA_CL_CLIP_CNTL,
+
+       SI_TRACKED_PA_SC_BINNER_CNTL_0,
+       SI_TRACKED_DB_DFSM_CONTROL,
+
+       SI_NUM_TRACKED_REGS,
+};
+
+struct si_tracked_regs {
+       uint32_t                reg_saved;
+       uint32_t                reg_value[SI_NUM_TRACKED_REGS];
+};
+
 /* Private read-write buffer slots. */
 enum {
        SI_ES_RING_ESGS,
@@ -195,6 +300,12 @@ enum {
        SI_PS_CONST_POLY_STIPPLE,
        SI_PS_CONST_SAMPLE_POSITIONS,
 
+       /* Image descriptor of color buffer 0 for KHR_blend_equation_advanced. */
+       SI_PS_IMAGE_COLORBUF0,
+       SI_PS_IMAGE_COLORBUF0_HI,
+       SI_PS_IMAGE_COLORBUF0_FMASK,
+       SI_PS_IMAGE_COLORBUF0_FMASK_HI,
+
        SI_NUM_RW_BUFFERS,
 };
 
@@ -222,6 +333,11 @@ enum {
 #define SI_NUM_DESCS                   (SI_DESCS_FIRST_SHADER + \
                                         SI_NUM_SHADERS * SI_NUM_SHADER_DESCS)
 
+#define SI_DESCS_SHADER_MASK(name) \
+       u_bit_consecutive(SI_DESCS_FIRST_SHADER + \
+                         PIPE_SHADER_##name * SI_NUM_SHADER_DESCS, \
+                         SI_NUM_SHADER_DESCS)
+
 /* This represents descriptors in memory, such as buffer resources,
  * image resources, and sampler states.
  */
@@ -233,10 +349,8 @@ struct si_descriptors {
 
        /* The buffer where the descriptors have been uploaded. */
        struct r600_resource *buffer;
-       int buffer_offset; /* can be negative if not using lower slots */
+       uint64_t gpu_address;
 
-       /* The size of one descriptor. */
-       ubyte element_dw_size;
        /* The maximum number of descriptors. */
        uint32_t num_elements;
 
@@ -246,17 +360,14 @@ struct si_descriptors {
        uint32_t first_active_slot;
        uint32_t num_active_slots;
 
-       /* The SGPR index where the 64-bit pointer to the descriptor array will
-        * be stored. */
-       ubyte shader_userdata_offset;
-};
-
-struct si_sampler_views {
-       struct pipe_sampler_view        *views[SI_NUM_SAMPLERS];
-       struct si_sampler_state         *sampler_states[SI_NUM_SAMPLERS];
-
-       /* The i-th bit is set if that element is enabled (non-NULL resource). */
-       unsigned                        enabled_mask;
+       /* The SH register offset relative to USER_DATA*_0 where the pointer
+        * to the descriptor array will be stored. */
+       short shader_userdata_offset;
+       /* The size of one descriptor. */
+       ubyte element_dw_size;
+       /* If there is only one slot enabled, bind it directly instead of
+        * uploading descriptors. -1 if disabled. */
+       signed char slot_index_to_bind_directly;
 };
 
 struct si_buffer_resources {
@@ -271,9 +382,6 @@ struct si_buffer_resources {
        unsigned                        enabled_mask;
 };
 
-#define si_pm4_block_idx(member) \
-       (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
-
 #define si_pm4_state_changed(sctx, member) \
        ((sctx)->queued.named.member != (sctx)->emitted.named.member)
 
@@ -283,7 +391,7 @@ struct si_buffer_resources {
 #define si_pm4_bind_state(sctx, member, value) \
        do { \
                (sctx)->queued.named.member = (value); \
-               (sctx)->dirty_states |= 1 << si_pm4_block_idx(member); \
+               (sctx)->dirty_states |= SI_STATE_BIT(member); \
        } while(0)
 
 #define si_pm4_delete_state(sctx, member, value) \
@@ -292,7 +400,7 @@ struct si_buffer_resources {
                        (sctx)->queued.named.member = NULL; \
                } \
                si_pm4_free_state(sctx, (struct si_pm4_state *)(value), \
-                                 si_pm4_block_idx(member)); \
+                                 SI_STATE_IDX(member)); \
        } while(0)
 
 /* si_descriptors.c */
@@ -302,13 +410,14 @@ void si_set_mutable_tex_desc_fields(struct si_screen *sscreen,
                                    unsigned base_level, unsigned first_level,
                                    unsigned block_width, bool is_stencil,
                                    uint32_t *state);
+void si_update_ps_colorbuf0_slot(struct si_context *sctx);
 void si_get_pipe_constant_buffer(struct si_context *sctx, uint shader,
                                 uint slot, struct pipe_constant_buffer *cbuf);
 void si_get_shader_buffers(struct si_context *sctx,
                           enum pipe_shader_type shader,
                           uint start_slot, uint count,
                           struct pipe_shader_buffer *sbuf);
-void si_set_ring_buffer(struct pipe_context *ctx, uint slot,
+void si_set_ring_buffer(struct si_context *sctx, uint slot,
                        struct pipe_resource *buffer,
                        unsigned stride, unsigned num_records,
                        bool add_tid, bool swizzle,
@@ -325,8 +434,7 @@ void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuf
 void si_update_all_texture_descriptors(struct si_context *sctx);
 void si_shader_change_notify(struct si_context *sctx);
 void si_update_needs_color_decompress_masks(struct si_context *sctx);
-void si_emit_graphics_shader_pointers(struct si_context *sctx,
-                                      struct r600_atom *atom);
+void si_emit_graphics_shader_pointers(struct si_context *sctx);
 void si_emit_compute_shader_pointers(struct si_context *sctx);
 void si_set_rw_buffer(struct si_context *sctx,
                      uint slot, const struct pipe_constant_buffer *input);
@@ -340,13 +448,9 @@ struct pb_slab *si_bindless_descriptor_slab_alloc(void *priv, unsigned heap,
                                                  unsigned entry_size,
                                                  unsigned group_index);
 void si_bindless_descriptor_slab_free(void *priv, struct pb_slab *pslab);
-
+void si_rebind_buffer(struct si_context *sctx, struct pipe_resource *buf,
+                     uint64_t old_va);
 /* si_state.c */
-struct si_shader_selector;
-
-void si_init_atom(struct si_context *sctx, struct r600_atom *atom,
-                 struct r600_atom **list_elem,
-                 void (*emit_func)(struct si_context *ctx, struct r600_atom *state));
 void si_init_state_functions(struct si_context *sctx);
 void si_init_screen_state_functions(struct si_screen *sscreen);
 void
@@ -373,35 +477,49 @@ si_create_sampler_view_custom(struct pipe_context *ctx,
                              unsigned width0, unsigned height0,
                              unsigned force_level);
 void si_update_fb_dirtiness_after_rendering(struct si_context *sctx);
+void si_update_ps_iter_samples(struct si_context *sctx);
+void si_save_qbo_state(struct si_context *sctx, struct si_qbo_state *st);
+void si_set_occlusion_query_state(struct si_context *sctx,
+                                 bool old_perfect_enable);
 
 /* si_state_binning.c */
-void si_emit_dpbb_state(struct si_context *sctx, struct r600_atom *state);
+void si_emit_dpbb_state(struct si_context *sctx);
 
 /* si_state_shaders.c */
 bool si_update_shaders(struct si_context *sctx);
 void si_init_shader_functions(struct si_context *sctx);
 bool si_init_shader_cache(struct si_screen *sscreen);
 void si_destroy_shader_cache(struct si_screen *sscreen);
-void si_init_shader_selector_async(void *job, int thread_index);
 void si_get_active_slot_masks(const struct tgsi_shader_info *info,
                              uint32_t *const_and_shader_buffers,
                              uint64_t *samplers_and_images);
+void *si_get_blit_vs(struct si_context *sctx, enum blitter_attrib_type type,
+                    unsigned num_layers);
 
 /* si_state_draw.c */
 void si_init_ia_multi_vgt_param_table(struct si_context *sctx);
 void si_emit_cache_flush(struct si_context *sctx);
 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
+void si_draw_rectangle(struct blitter_context *blitter,
+                      void *vertex_elements_cso,
+                      blitter_get_vs_func get_vs,
+                      int x1, int y1, int x2, int y2,
+                      float depth, unsigned num_instances,
+                      enum blitter_attrib_type type,
+                      const union blitter_attrib *attrib);
 void si_trace_emit(struct si_context *sctx);
 
+/* si_state_msaa.c */
+void si_init_msaa_functions(struct si_context *sctx);
+void si_emit_sample_locations(struct radeon_winsys_cs *cs, int nr_samples);
+
+/* si_state_streamout.c */
+void si_streamout_buffers_dirty(struct si_context *sctx);
+void si_emit_streamout_end(struct si_context *sctx);
+void si_update_prims_generated_query_state(struct si_context *sctx,
+                                          unsigned type, int diff);
+void si_init_streamout_functions(struct si_context *sctx);
 
-static inline unsigned
-si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil)
-{
-       if (stencil)
-               return rtex->surface.u.legacy.stencil_tiling_index[level];
-       else
-               return rtex->surface.u.legacy.tiling_index[level];
-}
 
 static inline unsigned si_get_constbuf_slot(unsigned slot)
 {