X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom.c;h=586d5b670f172f402903cd7569711bcdc4d6803f;hb=f512965b0b3d70525424f100e534b8ac0a43a376;hp=32b8602a9d4ecfad6788785c7bbe345822b637b9;hpb=c8fe3b9dca73e3b91979d92ba4136b302001b3bb;p=mesa.git

diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c
index 32b8602a9d4..586d5b670f1 100644
--- a/src/mesa/state_tracker/st_atom.c
+++ b/src/mesa/state_tracker/st_atom.c
@@ -27,6 +27,7 @@
 
 
 #include <stdio.h>
+#include "main/arrayobj.h"
 #include "main/glheader.h"
 #include "main/context.h"
 
@@ -35,12 +36,15 @@
 #include "st_atom.h"
 #include "st_program.h"
 #include "st_manager.h"
+#include "st_util.h"
 
 
+typedef void (*update_func_t)(struct st_context *st);
+
 /* The list state update functions. */
-static const struct st_tracked_state *atoms[] =
+static const update_func_t update_functions[] =
 {
-#define ST_STATE(FLAG, st_update) &st_update,
+#define ST_STATE(FLAG, st_update) st_update,
 #include "st_atom_list.h"
 #undef ST_STATE
 };
@@ -48,7 +52,7 @@ static const struct st_tracked_state *atoms[] =
 
 void st_init_atoms( struct st_context *st )
 {
-   STATIC_ASSERT(ARRAY_SIZE(atoms) <= 64);
+   STATIC_ASSERT(ARRAY_SIZE(update_functions) <= 64);
 }
 
 
@@ -63,33 +67,93 @@ void st_destroy_atoms( struct st_context *st )
 static void check_program_state( struct st_context *st )
 {
    struct gl_context *ctx = st->ctx;
+   struct st_vertex_program *old_vp = st->vp;
+   struct st_common_program *old_tcp = st->tcp;
+   struct st_common_program *old_tep = st->tep;
+   struct st_common_program *old_gp = st->gp;
+   struct st_common_program *old_fp = st->fp;
+
+   struct gl_program *new_vp = ctx->VertexProgram._Current;
+   struct gl_program *new_tcp = ctx->TessCtrlProgram._Current;
+   struct gl_program *new_tep = ctx->TessEvalProgram._Current;
+   struct gl_program *new_gp = ctx->GeometryProgram._Current;
+   struct gl_program *new_fp = ctx->FragmentProgram._Current;
+   uint64_t dirty = 0;
+   unsigned num_viewports = 1;
+
+   /* Flag states used by both new and old shaders to unbind shader resources
+    * properly when transitioning to shaders that don't use them.
+    */
+   if (unlikely(new_vp != &old_vp->Base)) {
+      if (old_vp)
+         dirty |= old_vp->affected_states;
+      if (new_vp)
+         dirty |= ST_NEW_VERTEX_PROGRAM(st, st_vertex_program(new_vp));
+   }
+
+   if (unlikely(new_tcp != &old_tcp->Base)) {
+      if (old_tcp)
+         dirty |= old_tcp->affected_states;
+      if (new_tcp)
+         dirty |= st_common_program(new_tcp)->affected_states;
+   }
+
+   if (unlikely(new_tep != &old_tep->Base)) {
+      if (old_tep)
+         dirty |= old_tep->affected_states;
+      if (new_tep)
+         dirty |= st_common_program(new_tep)->affected_states;
+   }
+
+   if (unlikely(new_gp != &old_gp->Base)) {
+      if (old_gp)
+         dirty |= old_gp->affected_states;
+      if (new_gp)
+         dirty |= st_common_program(new_gp)->affected_states;
+   }
+
+   if (unlikely(new_fp != &old_fp->Base)) {
+      if (old_fp)
+         dirty |= old_fp->affected_states;
+      if (new_fp)
+         dirty |= st_common_program(new_fp)->affected_states;
+   }
+
+   /* Find out the number of viewports. This determines how many scissors
+    * and viewport states we need to update.
+    */
+   struct gl_program *last_prim_shader = new_gp ? new_gp :
+                                         new_tep ? new_tep : new_vp;
+   if (last_prim_shader &&
+       last_prim_shader->info.outputs_written & VARYING_BIT_VIEWPORT)
+      num_viewports = ctx->Const.MaxViewports;
 
-   if (ctx->VertexProgram._Current != &st->vp->Base)
-      st->dirty |= ST_NEW_VERTEX_PROGRAM;
+   if (st->state.num_viewports != num_viewports) {
+      st->state.num_viewports = num_viewports;
+      dirty |= ST_NEW_VIEWPORT;
 
-   if (ctx->FragmentProgram._Current != &st->fp->Base)
-      st->dirty |= ST_NEW_FRAGMENT_PROGRAM;
+      if (ctx->Scissor.EnableFlags & u_bit_consecutive(0, num_viewports))
+         dirty |= ST_NEW_SCISSOR;
+   }
 
-   if (ctx->GeometryProgram._Current != &st->gp->Base)
-      st->dirty |= ST_NEW_GEOMETRY_PROGRAM;
+   st->dirty |= dirty;
 }
 
 static void check_attrib_edgeflag(struct st_context *st)
 {
-   const struct gl_client_array **arrays = st->ctx->Array._DrawArrays;
    GLboolean vertdata_edgeflags, edgeflag_culls_prims, edgeflags_enabled;
-
-   if (!arrays)
-      return;
+   struct gl_program *vp = st->ctx->VertexProgram._Current;
 
    edgeflags_enabled = st->ctx->Polygon.FrontMode != GL_FILL ||
                        st->ctx->Polygon.BackMode != GL_FILL;
 
    vertdata_edgeflags = edgeflags_enabled &&
-                        arrays[VERT_ATTRIB_EDGEFLAG]->StrideB != 0;
+      _mesa_draw_edge_flag_array_enabled(st->ctx);
+
    if (vertdata_edgeflags != st->vertdata_edgeflags) {
       st->vertdata_edgeflags = vertdata_edgeflags;
-      st->dirty |= ST_NEW_VERTEX_PROGRAM;
+      if (vp)
+         st->dirty |= ST_NEW_VERTEX_PROGRAM(st, st_vertex_program(vp));
    }
 
    edgeflag_culls_prims = edgeflags_enabled && !vertdata_edgeflags &&
@@ -107,25 +171,77 @@ static void check_attrib_edgeflag(struct st_context *st)
 
 void st_validate_state( struct st_context *st, enum st_pipeline pipeline )
 {
+   struct gl_context *ctx = st->ctx;
    uint64_t dirty, pipeline_mask;
    uint32_t dirty_lo, dirty_hi;
 
-   /* Get Mesa driver state. */
-   st->dirty |= st->ctx->NewDriverState & ST_ALL_STATES_MASK;
-   st->ctx->NewDriverState = 0;
+   /* Get Mesa driver state.
+    *
+    * Inactive states are shader states not used by shaders at the moment.
+    */
+   st->dirty |= ctx->NewDriverState & st->active_states & ST_ALL_STATES_MASK;
+   ctx->NewDriverState = 0;
 
    /* Get pipeline state. */
    switch (pipeline) {
    case ST_PIPELINE_RENDER:
-      check_attrib_edgeflag(st);
-      check_program_state(st);
+      if (st->ctx->API == API_OPENGL_COMPAT)
+         check_attrib_edgeflag(st);
+
+      if (st->gfx_shaders_may_be_dirty) {
+         check_program_state(st);
+         st->gfx_shaders_may_be_dirty = false;
+      }
+
       st_manager_validate_framebuffers(st);
 
       pipeline_mask = ST_PIPELINE_RENDER_STATE_MASK;
       break;
-   case ST_PIPELINE_COMPUTE:
-      pipeline_mask = ST_PIPELINE_COMPUTE_STATE_MASK;
+
+   case ST_PIPELINE_CLEAR:
+      st_manager_validate_framebuffers(st);
+      pipeline_mask = ST_PIPELINE_CLEAR_STATE_MASK;
+      break;
+
+   case ST_PIPELINE_META:
+      if (st->gfx_shaders_may_be_dirty) {
+         check_program_state(st);
+         st->gfx_shaders_may_be_dirty = false;
+      }
+
+      st_manager_validate_framebuffers(st);
+      pipeline_mask = ST_PIPELINE_META_STATE_MASK;
+      break;
+
+   case ST_PIPELINE_UPDATE_FRAMEBUFFER:
+      st_manager_validate_framebuffers(st);
+      pipeline_mask = ST_PIPELINE_UPDATE_FB_STATE_MASK;
+      break;
+
+   case ST_PIPELINE_COMPUTE: {
+      struct st_common_program *old_cp = st->cp;
+      struct gl_program *new_cp = ctx->ComputeProgram._Current;
+
+      if (new_cp != &old_cp->Base) {
+         if (old_cp)
+            st->dirty |= old_cp->affected_states;
+         assert(new_cp);
+         st->dirty |= st_common_program(new_cp)->affected_states;
+      }
+
+      st->compute_shader_may_be_dirty = false;
+
+      /*
+       * We add the ST_NEW_FB_STATE bit here as well, because glBindFramebuffer
+       * acts as a barrier that breaks feedback loops between the framebuffer
+       * and textures bound to the framebuffer, even when those textures are
+       * accessed by compute shaders; so we must inform the driver of new
+       * framebuffer state.
+       */
+      pipeline_mask = ST_PIPELINE_COMPUTE_STATE_MASK | ST_NEW_FB_STATE;
       break;
+   }
+
    default:
       unreachable("Invalid pipeline specified");
    }
@@ -142,9 +258,9 @@ void st_validate_state( struct st_context *st, enum st_pipeline pipeline )
     * Don't use u_bit_scan64, it may be slower on 32-bit.
     */
    while (dirty_lo)
-      atoms[u_bit_scan(&dirty_lo)]->update(st);
+      update_functions[u_bit_scan(&dirty_lo)](st);
    while (dirty_hi)
-      atoms[32 + u_bit_scan(&dirty_hi)]->update(st);
+      update_functions[32 + u_bit_scan(&dirty_hi)](st);
 
    /* Clear the render or compute state bits. */
    st->dirty &= ~pipeline_mask;