i965: Enable L3 caching of buffer surfaces.
[mesa.git] / src / mesa / drivers / dri / i965 / brw_state_upload.c
index 9638c69fba8423e832c35e21dc875aa51ba8c962..52d96f40413aa2a7e0306d141547d36cca3d9b90 100644 (file)
@@ -1,8 +1,8 @@
 /*
  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
  develop this 3D driver.
+
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:
+
  The above copyright notice and this permission notice (including the
  next paragraph) shall be included in all copies or substantial
  portions of the Software.
+
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  LIABLE FOR ANY CLAIM, 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:
-  *   Keith Whitwell <keith@tungstengraphics.com>
+  *   Keith Whitwell <keithw@vmware.com>
   */
-       
+
 
 
 #include "brw_context.h"
@@ -77,7 +77,7 @@ static const struct brw_tracked_state *gen4_atoms[] =
    &brw_sf_unit,
    &brw_vs_unit,               /* always required, enabled or not */
    &brw_clip_unit,
-   &brw_gs_unit,  
+   &brw_gs_unit,
 
    /* Command packets:
     */
@@ -98,7 +98,7 @@ static const struct brw_tracked_state *gen4_atoms[] =
    &brw_psp_urb_cbs,
 
    &brw_drawing_rect,
-   &brw_indices,
+   &brw_indices, /* must come before brw_vertices */
    &brw_index_buffer,
    &brw_vertices,
 
@@ -108,7 +108,7 @@ static const struct brw_tracked_state *gen4_atoms[] =
 static const struct brw_tracked_state *gen6_atoms[] =
 {
    &brw_vs_prog, /* must do before state base address */
-   &brw_ff_gs_prog, /* must do before state base address */
+   &brw_gs_prog, /* must do before state base address */
    &brw_wm_prog, /* must do before state base address */
 
    &gen6_clip_vp,
@@ -128,6 +128,7 @@ static const struct brw_tracked_state *gen6_atoms[] =
    &gen6_depth_stencil_state,  /* must do before cc unit */
 
    &gen6_vs_push_constants, /* Before vs_state */
+   &gen6_gs_push_constants, /* Before gs_state */
    &gen6_wm_push_constants, /* Before wm_state */
 
    /* Surface state setup.  Must come before the VS/WM unit.  The binding
@@ -135,6 +136,8 @@ static const struct brw_tracked_state *gen6_atoms[] =
     */
    &brw_vs_pull_constants,
    &brw_vs_ubo_surfaces,
+   &brw_gs_pull_constants,
+   &brw_gs_ubo_surfaces,
    &brw_wm_pull_constants,
    &brw_wm_ubo_surfaces,
    &gen6_renderbuffer_surfaces,
@@ -146,6 +149,7 @@ static const struct brw_tracked_state *gen6_atoms[] =
 
    &brw_fs_samplers,
    &brw_vs_samplers,
+   &brw_gs_samplers,
    &gen6_sampler_state,
    &gen6_multisample_state,
 
@@ -169,7 +173,7 @@ static const struct brw_tracked_state *gen6_atoms[] =
 
    &brw_drawing_rect,
 
-   &brw_indices,
+   &brw_indices, /* must come before brw_vertices */
    &brw_index_buffer,
    &brw_vertices,
 };
@@ -177,6 +181,7 @@ static const struct brw_tracked_state *gen6_atoms[] =
 static const struct brw_tracked_state *gen7_atoms[] =
 {
    &brw_vs_prog,
+   &brw_gs_prog,
    &brw_wm_prog,
 
    /* Command packets: */
@@ -185,7 +190,6 @@ static const struct brw_tracked_state *gen7_atoms[] =
    &brw_state_base_address,
 
    &brw_cc_vp,
-   &gen7_cc_viewport_state_pointer, /* must do after brw_cc_vp */
    &gen7_sf_clip_viewport,
 
    &gen7_push_constant_space,
@@ -195,6 +199,7 @@ static const struct brw_tracked_state *gen7_atoms[] =
    &gen6_depth_stencil_state,  /* must do before cc unit */
 
    &gen6_vs_push_constants, /* Before vs_state */
+   &gen6_gs_push_constants, /* Before gs_state */
    &gen6_wm_push_constants, /* Before wm_surfaces and constant_buffer */
 
    /* Surface state setup.  Must come before the VS/WM unit.  The binding
@@ -202,19 +207,27 @@ static const struct brw_tracked_state *gen7_atoms[] =
     */
    &brw_vs_pull_constants,
    &brw_vs_ubo_surfaces,
+   &brw_vs_abo_surfaces,
+   &brw_gs_pull_constants,
+   &brw_gs_ubo_surfaces,
+   &brw_gs_abo_surfaces,
    &brw_wm_pull_constants,
    &brw_wm_ubo_surfaces,
+   &brw_wm_abo_surfaces,
    &gen6_renderbuffer_surfaces,
    &brw_texture_surfaces,
    &brw_vs_binding_table,
+   &brw_gs_binding_table,
    &brw_wm_binding_table,
 
    &brw_fs_samplers,
    &brw_vs_samplers,
+   &brw_gs_samplers,
    &gen6_multisample_state,
 
    &gen7_disable_stages,
    &gen7_vs_state,
+   &gen7_gs_state,
    &gen7_sol_state,
    &gen7_clip_state,
    &gen7_sbe_state,
@@ -234,13 +247,93 @@ static const struct brw_tracked_state *gen7_atoms[] =
 
    &brw_drawing_rect,
 
-   &brw_indices,
+   &brw_indices, /* must come before brw_vertices */
    &brw_index_buffer,
    &brw_vertices,
 
    &haswell_cut_index,
 };
 
+static const struct brw_tracked_state *gen8_atoms[] =
+{
+   &brw_vs_prog,
+   &brw_gs_prog,
+   &brw_wm_prog,
+
+   /* Command packets: */
+   &gen8_state_base_address,
+
+   &brw_cc_vp,
+   &gen8_sf_clip_viewport,
+
+   &gen7_push_constant_space,
+   &gen7_urb,
+   &gen8_blend_state,
+   &gen6_color_calc_state,
+
+   &gen6_vs_push_constants, /* Before vs_state */
+   &gen6_gs_push_constants, /* Before gs_state */
+   &gen6_wm_push_constants, /* Before wm_surfaces and constant_buffer */
+
+   /* Surface state setup.  Must come before the VS/WM unit.  The binding
+    * table upload must be last.
+    */
+   &brw_vs_pull_constants,
+   &brw_vs_ubo_surfaces,
+   &brw_vs_abo_surfaces,
+   &brw_gs_pull_constants,
+   &brw_gs_ubo_surfaces,
+   &brw_gs_abo_surfaces,
+   &brw_wm_pull_constants,
+   &brw_wm_ubo_surfaces,
+   &brw_wm_abo_surfaces,
+   &gen6_renderbuffer_surfaces,
+   &brw_texture_surfaces,
+   &brw_vs_binding_table,
+   &brw_gs_binding_table,
+   &brw_wm_binding_table,
+
+   &brw_fs_samplers,
+   &brw_vs_samplers,
+   &brw_gs_samplers,
+   &gen8_multisample_state,
+
+   &gen8_disable_stages,
+   &gen8_vs_state,
+   &gen8_gs_state,
+   &gen8_sol_state,
+   &gen6_clip_state,
+   &gen8_raster_state,
+   &gen8_sbe_state,
+   &gen8_sf_state,
+   &gen8_ps_blend,
+   &gen8_ps_extra,
+   &gen8_ps_state,
+   &gen8_wm_depth_stencil,
+   &gen8_wm_state,
+
+   &gen6_scissor_state,
+
+   &gen7_depthbuffer,
+
+   &brw_polygon_stipple,
+   &brw_polygon_stipple_offset,
+
+   &brw_line_stipple,
+   &brw_aa_line_parameters,
+
+   &brw_drawing_rect,
+
+   &gen8_vf_topology,
+
+   &brw_indices,
+   &gen8_index_buffer,
+   &gen8_vertices,
+
+   &haswell_cut_index,
+   &gen8_pma_fix,
+};
+
 static void
 brw_upload_initial_gpu_state(struct brw_context *brw)
 {
@@ -252,16 +345,29 @@ brw_upload_initial_gpu_state(struct brw_context *brw)
       return;
 
    brw_upload_invariant_state(brw);
+
+   if (brw->gen >= 8) {
+      gen8_emit_3dstate_sample_pattern(brw);
+   }
 }
 
 void brw_init_state( struct brw_context *brw )
 {
+   struct gl_context *ctx = &brw->ctx;
    const struct brw_tracked_state **atoms;
    int num_atoms;
 
+   STATIC_ASSERT(ARRAY_SIZE(gen4_atoms) <= ARRAY_SIZE(brw->atoms));
+   STATIC_ASSERT(ARRAY_SIZE(gen6_atoms) <= ARRAY_SIZE(brw->atoms));
+   STATIC_ASSERT(ARRAY_SIZE(gen7_atoms) <= ARRAY_SIZE(brw->atoms));
+   STATIC_ASSERT(ARRAY_SIZE(gen8_atoms) <= ARRAY_SIZE(brw->atoms));
+
    brw_init_caches(brw);
 
-   if (brw->gen >= 7) {
+   if (brw->gen >= 8) {
+      atoms = gen8_atoms;
+      num_atoms = ARRAY_SIZE(gen8_atoms);
+   } else if (brw->gen == 7) {
       atoms = gen7_atoms;
       num_atoms = ARRAY_SIZE(gen7_atoms);
    } else if (brw->gen == 6) {
@@ -272,18 +378,44 @@ void brw_init_state( struct brw_context *brw )
       num_atoms = ARRAY_SIZE(gen4_atoms);
    }
 
-   brw->atoms = atoms;
    brw->num_atoms = num_atoms;
 
+   /* This is to work around brw_context::atoms being declared const.  We want
+    * it to be const, but it needs to be initialized somehow!
+    */
+   struct brw_tracked_state *context_atoms =
+      (struct brw_tracked_state *) &brw->atoms[0];
+
+   for (int i = 0; i < num_atoms; i++)
+      context_atoms[i] = *atoms[i];
+
    while (num_atoms--) {
-      assert((*atoms)->dirty.mesa |
-            (*atoms)->dirty.brw |
-            (*atoms)->dirty.cache);
+      assert((*atoms)->dirty.mesa | (*atoms)->dirty.brw);
       assert((*atoms)->emit);
       atoms++;
    }
 
    brw_upload_initial_gpu_state(brw);
+
+   brw->state.dirty.mesa = ~0;
+   brw->state.dirty.brw = ~0ull;
+
+   /* ~0 is a nonsensical value which won't match anything we program, so
+    * the programming will take effect on the first time around.
+    */
+   brw->pma_stall_bits = ~0;
+
+   /* Make sure that brw->state.dirty.brw has enough bits to hold all possible
+    * dirty flags.
+    */
+   STATIC_ASSERT(BRW_NUM_STATE_BITS <= 8 * sizeof(brw->state.dirty.brw));
+
+   ctx->DriverFlags.NewTransformFeedback = BRW_NEW_TRANSFORM_FEEDBACK;
+   ctx->DriverFlags.NewTransformFeedbackProg = BRW_NEW_TRANSFORM_FEEDBACK;
+   ctx->DriverFlags.NewRasterizerDiscard = BRW_NEW_RASTERIZER_DISCARD;
+   ctx->DriverFlags.NewUniformBuffer = BRW_NEW_UNIFORM_BUFFER;
+   ctx->DriverFlags.NewTextureBuffer = BRW_NEW_TEXTURE_BUFFER;
+   ctx->DriverFlags.NewAtomicBuffer = BRW_NEW_ATOMIC_BUFFER;
 }
 
 
@@ -298,9 +430,7 @@ void brw_destroy_state( struct brw_context *brw )
 static bool
 check_state(const struct brw_state_flags *a, const struct brw_state_flags *b)
 {
-   return ((a->mesa & b->mesa) |
-          (a->brw & b->brw) |
-          (a->cache & b->cache)) != 0;
+   return ((a->mesa & b->mesa) | (a->brw & b->brw)) != 0;
 }
 
 static void accumulate_state( struct brw_state_flags *a,
@@ -308,7 +438,6 @@ static void accumulate_state( struct brw_state_flags *a,
 {
    a->mesa |= b->mesa;
    a->brw |= b->brw;
-   a->cache |= b->cache;
 }
 
 
@@ -318,11 +447,10 @@ static void xor_states( struct brw_state_flags *result,
 {
    result->mesa = a->mesa ^ b->mesa;
    result->brw = a->brw ^ b->brw;
-   result->cache = a->cache ^ b->cache;
 }
 
 struct dirty_bit_map {
-   uint32_t bit;
+   uint64_t bit;
    char *name;
    uint32_t count;
 };
@@ -352,19 +480,29 @@ static struct dirty_bit_map mesa_bits[] = {
    DEFINE_BIT(_NEW_ARRAY),
    DEFINE_BIT(_NEW_RENDERMODE),
    DEFINE_BIT(_NEW_BUFFERS),
+   DEFINE_BIT(_NEW_CURRENT_ATTRIB),
    DEFINE_BIT(_NEW_MULTISAMPLE),
    DEFINE_BIT(_NEW_TRACK_MATRIX),
    DEFINE_BIT(_NEW_PROGRAM),
    DEFINE_BIT(_NEW_PROGRAM_CONSTANTS),
    DEFINE_BIT(_NEW_BUFFER_OBJECT),
    DEFINE_BIT(_NEW_FRAG_CLAMP),
-   DEFINE_BIT(_NEW_VARYING_VP_INPUTS),
+   /* Avoid sign extension problems. */
+   {(unsigned) _NEW_VARYING_VP_INPUTS, "_NEW_VARYING_VP_INPUTS", 0},
    {0, 0, 0}
 };
 
 static struct dirty_bit_map brw_bits[] = {
+   DEFINE_BIT(BRW_NEW_FS_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_BLORP_BLIT_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_SF_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_VS_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_FF_GS_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_GS_PROG_DATA),
+   DEFINE_BIT(BRW_NEW_CLIP_PROG_DATA),
    DEFINE_BIT(BRW_NEW_URB_FENCE),
    DEFINE_BIT(BRW_NEW_FRAGMENT_PROGRAM),
+   DEFINE_BIT(BRW_NEW_GEOMETRY_PROGRAM),
    DEFINE_BIT(BRW_NEW_VERTEX_PROGRAM),
    DEFINE_BIT(BRW_NEW_CURBE_OFFSETS),
    DEFINE_BIT(BRW_NEW_REDUCED_PRIMITIVE),
@@ -380,46 +518,34 @@ static struct dirty_bit_map brw_bits[] = {
    DEFINE_BIT(BRW_NEW_BATCH),
    DEFINE_BIT(BRW_NEW_INDEX_BUFFER),
    DEFINE_BIT(BRW_NEW_VS_CONSTBUF),
+   DEFINE_BIT(BRW_NEW_GS_CONSTBUF),
    DEFINE_BIT(BRW_NEW_PROGRAM_CACHE),
    DEFINE_BIT(BRW_NEW_STATE_BASE_ADDRESS),
+   DEFINE_BIT(BRW_NEW_VUE_MAP_VS),
    DEFINE_BIT(BRW_NEW_VUE_MAP_GEOM_OUT),
    DEFINE_BIT(BRW_NEW_TRANSFORM_FEEDBACK),
    DEFINE_BIT(BRW_NEW_RASTERIZER_DISCARD),
+   DEFINE_BIT(BRW_NEW_STATS_WM),
    DEFINE_BIT(BRW_NEW_UNIFORM_BUFFER),
+   DEFINE_BIT(BRW_NEW_ATOMIC_BUFFER),
    DEFINE_BIT(BRW_NEW_META_IN_PROGRESS),
    DEFINE_BIT(BRW_NEW_INTERPOLATION_MAP),
+   DEFINE_BIT(BRW_NEW_PUSH_CONSTANT_ALLOCATION),
+   DEFINE_BIT(BRW_NEW_NUM_SAMPLES),
+   DEFINE_BIT(BRW_NEW_TEXTURE_BUFFER),
+   DEFINE_BIT(BRW_NEW_GEN4_UNIT_STATE),
+   DEFINE_BIT(BRW_NEW_CC_VP),
+   DEFINE_BIT(BRW_NEW_SF_VP),
+   DEFINE_BIT(BRW_NEW_CLIP_VP),
+   DEFINE_BIT(BRW_NEW_SAMPLER_STATE_TABLE),
+   DEFINE_BIT(BRW_NEW_VS_ATTRIB_WORKAROUNDS),
    {0, 0, 0}
 };
 
-static struct dirty_bit_map cache_bits[] = {
-   DEFINE_BIT(CACHE_NEW_CC_VP),
-   DEFINE_BIT(CACHE_NEW_CC_UNIT),
-   DEFINE_BIT(CACHE_NEW_WM_PROG),
-   DEFINE_BIT(CACHE_NEW_SAMPLER),
-   DEFINE_BIT(CACHE_NEW_WM_UNIT),
-   DEFINE_BIT(CACHE_NEW_SF_PROG),
-   DEFINE_BIT(CACHE_NEW_SF_VP),
-   DEFINE_BIT(CACHE_NEW_SF_UNIT),
-   DEFINE_BIT(CACHE_NEW_VS_UNIT),
-   DEFINE_BIT(CACHE_NEW_VS_PROG),
-   DEFINE_BIT(CACHE_NEW_FF_GS_UNIT),
-   DEFINE_BIT(CACHE_NEW_FF_GS_PROG),
-   DEFINE_BIT(CACHE_NEW_CLIP_VP),
-   DEFINE_BIT(CACHE_NEW_CLIP_UNIT),
-   DEFINE_BIT(CACHE_NEW_CLIP_PROG),
-   {0, 0, 0}
-};
-
-
 static void
-brw_update_dirty_count(struct dirty_bit_map *bit_map, int32_t bits)
+brw_update_dirty_count(struct dirty_bit_map *bit_map, uint64_t bits)
 {
-   int i;
-
-   for (i = 0; i < 32; i++) {
-      if (bit_map[i].bit == 0)
-        return;
-
+   for (int i = 0; bit_map[i].bit != 0; i++) {
       if (bit_map[i].bit & bits)
         bit_map[i].count++;
    }
@@ -428,14 +554,11 @@ brw_update_dirty_count(struct dirty_bit_map *bit_map, int32_t bits)
 static void
 brw_print_dirty_count(struct dirty_bit_map *bit_map)
 {
-   int i;
-
-   for (i = 0; i < 32; i++) {
-      if (bit_map[i].bit == 0)
-        return;
-
-      fprintf(stderr, "0x%08x: %12d (%s)\n",
-             bit_map[i].bit, bit_map[i].count, bit_map[i].name);
+   for (int i = 0; bit_map[i].bit != 0; i++) {
+      if (bit_map[i].count > 1) {
+         fprintf(stderr, "0x%016lx: %12d (%s)\n",
+                 bit_map[i].bit, bit_map[i].count, bit_map[i].name);
+      }
    }
 }
 
@@ -455,10 +578,10 @@ void brw_upload_state(struct brw_context *brw)
    state->brw |= ctx->NewDriverState;
    ctx->NewDriverState = 0;
 
-   if (brw->emit_state_always) {
+   if (0) {
+      /* Always re-emit all state. */
       state->mesa |= ~0;
-      state->brw |= ~0;
-      state->cache |= ~0;
+      state->brw |= ~0ull;
    }
 
    if (brw->fragment_program != ctx->FragmentProgram._Current) {
@@ -481,22 +604,25 @@ void brw_upload_state(struct brw_context *brw)
       brw->state.dirty.brw |= BRW_NEW_META_IN_PROGRESS;
    }
 
-   if ((state->mesa | state->cache | state->brw) == 0)
-      return;
+   if (brw->num_samples != ctx->DrawBuffer->Visual.samples) {
+      brw->num_samples = ctx->DrawBuffer->Visual.samples;
+      brw->state.dirty.brw |= BRW_NEW_NUM_SAMPLES;
+   }
 
-   intel_check_front_buffer_rendering(brw);
+   if ((state->mesa | state->brw) == 0)
+      return;
 
    if (unlikely(INTEL_DEBUG)) {
       /* Debug version which enforces various sanity checks on the
        * state flags which are generated and checked to help ensure
        * state atoms are ordered correctly in the list.
        */
-      struct brw_state_flags examined, prev;      
+      struct brw_state_flags examined, prev;
       memset(&examined, 0, sizeof(examined));
       prev = *state;
 
       for (i = 0; i < brw->num_atoms; i++) {
-        const struct brw_tracked_state *atom = brw->atoms[i];
+        const struct brw_tracked_state *atom = &brw->atoms[i];
         struct brw_state_flags generated;
 
         if (check_state(state, &atom->dirty)) {
@@ -516,7 +642,7 @@ void brw_upload_state(struct brw_context *brw)
    }
    else {
       for (i = 0; i < brw->num_atoms; i++) {
-        const struct brw_tracked_state *atom = brw->atoms[i];
+        const struct brw_tracked_state *atom = &brw->atoms[i];
 
         if (check_state(state, &atom->dirty)) {
            atom->emit(brw);
@@ -525,16 +651,30 @@ void brw_upload_state(struct brw_context *brw)
    }
 
    if (unlikely(INTEL_DEBUG & DEBUG_STATE)) {
+      STATIC_ASSERT(ARRAY_SIZE(brw_bits) == BRW_NUM_STATE_BITS + 1);
+
       brw_update_dirty_count(mesa_bits, state->mesa);
       brw_update_dirty_count(brw_bits, state->brw);
-      brw_update_dirty_count(cache_bits, state->cache);
       if (dirty_count++ % 1000 == 0) {
         brw_print_dirty_count(mesa_bits);
         brw_print_dirty_count(brw_bits);
-        brw_print_dirty_count(cache_bits);
         fprintf(stderr, "\n");
       }
    }
+}
+
 
+/**
+ * Clear dirty bits to account for the fact that the state emitted by
+ * brw_upload_state() has been committed to the hardware.  This is a separate
+ * call from brw_upload_state() because it's possible that after the call to
+ * brw_upload_state(), we will discover that we've run out of aperture space,
+ * and need to rewind the batch buffer to the state it had before the
+ * brw_upload_state() call.
+ */
+void
+brw_clear_dirty_bits(struct brw_context *brw)
+{
+   struct brw_state_flags *state = &brw->state.dirty;
    memset(state, 0, sizeof(*state));
 }