X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_cb_queryobj.c;h=78a737094cd8d365d9ad797d8c9bee6e634fc280;hb=136c437cea3ebc9541735bb40951128e1210f06b;hp=3a8fbde8abd3969918ca1df6db8133a0aa52d1d3;hpb=01efb1dd8f5e14e8c034e0100f76472d89f811af;p=mesa.git

diff --git a/src/mesa/state_tracker/st_cb_queryobj.c b/src/mesa/state_tracker/st_cb_queryobj.c
index 3a8fbde8abd..78a737094cd 100644
--- a/src/mesa/state_tracker/st_cb_queryobj.c
+++ b/src/mesa/state_tracker/st_cb_queryobj.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE 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.
@@ -35,42 +35,223 @@
 
 #include "main/imports.h"
 #include "main/context.h"
-#include "main/image.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
 #include "st_context.h"
 #include "st_cb_queryobj.h"
-#include "st_public.h"
+#include "st_cb_bitmap.h"
+
+
+static struct gl_query_object *
+st_NewQueryObject(struct gl_context *ctx, GLuint id)
+{
+   struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object);
+   if (stq) {
+      stq->base.Id = id;
+      stq->base.Ready = GL_TRUE;
+      stq->pq = NULL;
+      stq->type = PIPE_QUERY_TYPES; /* an invalid value */
+      return &stq->base;
+   }
+   return NULL;
+}
+
+
+
+static void
+st_DeleteQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   struct st_query_object *stq = st_query_object(q);
+
+   if (stq->pq) {
+      pipe->destroy_query(pipe, stq->pq);
+      stq->pq = NULL;
+   }
+
+   if (stq->pq_begin) {
+      pipe->destroy_query(pipe, stq->pq_begin);
+      stq->pq_begin = NULL;
+   }
+
+   free(stq);
+}
 
 
-/**
- * Do glReadPixels by getting rows from the framebuffer surface with
- * get_tile().  Convert to requested format/type with Mesa image routines.
- * Image transfer ops are done in software too.
- */
 static void
-st_BeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+st_BeginQuery(struct gl_context *ctx, struct gl_query_object *q)
 {
-   struct pipe_context *pipe = ctx->st->pipe;
-   if (target == GL_SAMPLES_PASSED_ARB) {
-      pipe->reset_occlusion_counter(pipe);
+   struct st_context *st = st_context(ctx);
+   struct pipe_context *pipe = st->pipe;
+   struct st_query_object *stq = st_query_object(q);
+   unsigned type;
+
+   st_flush_bitmap_cache(st_context(ctx));
+
+   /* convert GL query type to Gallium query type */
+   switch (q->Target) {
+   case GL_ANY_SAMPLES_PASSED:
+   case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
+      /* fall-through */
+   case GL_SAMPLES_PASSED_ARB:
+      type = PIPE_QUERY_OCCLUSION_COUNTER;
+      break;
+   case GL_PRIMITIVES_GENERATED:
+      type = PIPE_QUERY_PRIMITIVES_GENERATED;
+      break;
+   case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+      type = PIPE_QUERY_PRIMITIVES_EMITTED;
+      break;
+   case GL_TIME_ELAPSED:
+      if (st->has_time_elapsed)
+         type = PIPE_QUERY_TIME_ELAPSED;
+      else
+         type = PIPE_QUERY_TIMESTAMP;
+      break;
+   default:
+      assert(0 && "unexpected query target in st_BeginQuery()");
+      return;
+   }
+
+   if (stq->type != type) {
+      /* free old query of different type */
+      if (stq->pq) {
+         pipe->destroy_query(pipe, stq->pq);
+         stq->pq = NULL;
+      }
+      if (stq->pq_begin) {
+         pipe->destroy_query(pipe, stq->pq_begin);
+         stq->pq_begin = NULL;
+      }
+      stq->type = PIPE_QUERY_TYPES; /* an invalid value */
+   }
+
+   if (q->Target == GL_TIME_ELAPSED &&
+       type == PIPE_QUERY_TIMESTAMP) {
+      /* Determine time elapsed by emitting two timestamp queries. */
+      if (!stq->pq_begin) {
+         stq->pq_begin = pipe->create_query(pipe, type);
+         stq->type = type;
+      }
+      pipe->end_query(pipe, stq->pq_begin);
+   } else {
+      if (!stq->pq) {
+         stq->pq = pipe->create_query(pipe, type);
+         stq->type = type;
+      }
+      if (stq->pq) {
+         pipe->begin_query(pipe, stq->pq);
+      }
+      else {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQuery");
+         return;
+      }
    }
+   assert(stq->type == type);
 }
 
 
 static void
-st_EndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+st_EndQuery(struct gl_context *ctx, struct gl_query_object *q)
 {
-   struct pipe_context *pipe = ctx->st->pipe;
-   if (target == GL_SAMPLES_PASSED_ARB) {
-      q->Result = pipe->get_occlusion_counter(pipe);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   struct st_query_object *stq = st_query_object(q);
+
+   st_flush_bitmap_cache(st_context(ctx));
+
+   if ((q->Target == GL_TIMESTAMP ||
+        q->Target == GL_TIME_ELAPSED) &&
+       !stq->pq) {
+      stq->pq = pipe->create_query(pipe, PIPE_QUERY_TIMESTAMP);
+      stq->type = PIPE_QUERY_TIMESTAMP;
    }
+
+   if (stq->pq)
+      pipe->end_query(pipe, stq->pq);
+}
+
+
+static boolean
+get_query_result(struct pipe_context *pipe,
+                 struct st_query_object *stq,
+                 boolean wait)
+{
+   if (!stq->pq) {
+      /* Only needed in case we failed to allocate the gallium query earlier.
+       * Return TRUE so we don't spin on this forever.
+       */
+      return TRUE;
+   }
+
+   if (!pipe->get_query_result(pipe,
+                               stq->pq,
+                               wait,
+                               (void *)&stq->base.Result)) {
+      return FALSE;
+   }
+
+   if (stq->base.Target == GL_TIME_ELAPSED &&
+       stq->type == PIPE_QUERY_TIMESTAMP) {
+      /* Calculate the elapsed time from the two timestamp queries */
+      GLuint64EXT Result0 = 0;
+      assert(stq->pq_begin);
+      pipe->get_query_result(pipe, stq->pq_begin, TRUE, (void *)&Result0);
+      stq->base.Result -= Result0;
+   } else {
+      assert(!stq->pq_begin);
+   }
+
+   return TRUE;
+}
+
+
+static void
+st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   struct st_query_object *stq = st_query_object(q);
+
+   /* this function should only be called if we don't have a ready result */
+   assert(!stq->base.Ready);
+
+   while (!stq->base.Ready &&
+	  !get_query_result(pipe, stq, TRUE))
+   {
+      /* nothing */
+   }
+			    
+   q->Ready = GL_TRUE;
+}
+
+
+static void
+st_CheckQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   struct st_query_object *stq = st_query_object(q);
+   assert(!q->Ready);   /* we should not get called if Ready is TRUE */
+   q->Ready = get_query_result(pipe, stq, FALSE);
+}
+
+
+static uint64_t
+st_GetTimestamp(struct gl_context *ctx)
+{
+   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+
+   return screen->get_timestamp(screen);
 }
 
 
 void st_init_query_functions(struct dd_function_table *functions)
 {
+   functions->NewQueryObject = st_NewQueryObject;
+   functions->DeleteQuery = st_DeleteQuery;
    functions->BeginQuery = st_BeginQuery;
    functions->EndQuery = st_EndQuery;
+   functions->WaitQuery = st_WaitQuery;
+   functions->CheckQuery = st_CheckQuery;
+   functions->GetTimestamp = st_GetTimestamp;
 }