glsl: lower mediump partial derivatives

[mesa.git] / src / mesa / main / glthread.c

diff --git a/src/mesa/main/glthread.c b/src/mesa/main/glthread.c
index af4eb15cb4de01e9d14164d2daf972a024b3bd1f..dd557a026ccdd8f4079d548319af080abadcdc24 100644 (file)
--- a/src/mesa/main/glthread.c
+++ b/src/mesa/main/glthread.c
@@ -34,7 +34,8 @@
 
 #include "main/mtypes.h"
 #include "main/glthread.h"
-#include "main/marshal.h"
+#include "main/glthread_marshal.h"
+#include "main/hash.h"
 #include "util/u_atomic.h"
 #include "util/u_thread.h"
 
@@ -67,28 +68,35 @@ glthread_thread_initialization(void *job, int thread_index)
 {
    struct gl_context *ctx = (struct gl_context*)job;
 
-   ctx->Driver.SetBackgroundContext(ctx, &ctx->GLThread->stats);
+   ctx->Driver.SetBackgroundContext(ctx, &ctx->GLThread.stats);
    _glapi_set_context(ctx);
 }
 
 void
 _mesa_glthread_init(struct gl_context *ctx)
 {
-   struct glthread_state *glthread = calloc(1, sizeof(*glthread));
+   struct glthread_state *glthread = &ctx->GLThread;
 
-   if (!glthread)
-      return;
+   assert(!glthread->enabled);
 
    if (!util_queue_init(&glthread->queue, "gl", MARSHAL_MAX_BATCHES - 2,
                         1, 0)) {
-      free(glthread);
       return;
    }
 
+   glthread->VAOs = _mesa_NewHashTable();
+   if (!glthread->VAOs) {
+      util_queue_destroy(&glthread->queue);
+      return;
+   }
+
+   _mesa_glthread_reset_vao(&glthread->DefaultVAO);
+   glthread->CurrentVAO = &glthread->DefaultVAO;
+
    ctx->MarshalExec = _mesa_create_marshal_table(ctx);
    if (!ctx->MarshalExec) {
+      _mesa_DeleteHashTable(glthread->VAOs);
       util_queue_destroy(&glthread->queue);
-      free(glthread);
       return;
    }
 
@@ -96,10 +104,23 @@ _mesa_glthread_init(struct gl_context *ctx)
       glthread->batches[i].ctx = ctx;
       util_queue_fence_init(&glthread->batches[i].fence);
    }
+   glthread->next_batch = &glthread->batches[glthread->next];
 
+   glthread->enabled = true;
    glthread->stats.queue = &glthread->queue;
+
+   glthread->SupportsBufferUploads =
+      ctx->Const.BufferCreateMapUnsynchronizedThreadSafe &&
+      ctx->Const.AllowMappedBuffersDuringExecution;
+
+   /* If the draw start index is non-zero, glthread can upload to offset 0,
+    * which means the attrib offset has to be -(first * stride).
+    * So require signed vertex buffer offsets.
+    */
+   glthread->SupportsNonVBOUploads = glthread->SupportsBufferUploads &&
+                                     ctx->Const.VertexBufferOffsetIsInt32;
+
    ctx->CurrentClientDispatch = ctx->MarshalExec;
-   ctx->GLThread = glthread;
 
    /* Execute the thread initialization function in the thread. */
    struct util_queue_fence fence;
@@ -110,12 +131,18 @@ _mesa_glthread_init(struct gl_context *ctx)
    util_queue_fence_destroy(&fence);
 }
 
+static void
+free_vao(GLuint key, void *data, void *userData)
+{
+   free(data);
+}
+
 void
 _mesa_glthread_destroy(struct gl_context *ctx)
 {
-   struct glthread_state *glthread = ctx->GLThread;
+   struct glthread_state *glthread = &ctx->GLThread;
 
-   if (!glthread)
+   if (!glthread->enabled)
       return;
 
    _mesa_glthread_finish(ctx);
@@ -124,8 +151,10 @@ _mesa_glthread_destroy(struct gl_context *ctx)
    for (unsigned i = 0; i < MARSHAL_MAX_BATCHES; i++)
       util_queue_fence_destroy(&glthread->batches[i].fence);
 
-   free(glthread);
-   ctx->GLThread = NULL;
+   _mesa_HashDeleteAll(glthread->VAOs, free_vao, NULL);
+   _mesa_DeleteHashTable(glthread->VAOs);
+
+   ctx->GLThread.enabled = false;
 
    _mesa_glthread_restore_dispatch(ctx, "destroy");
 }
@@ -158,11 +187,11 @@ _mesa_glthread_disable(struct gl_context *ctx, const char *func)
 void
 _mesa_glthread_flush_batch(struct gl_context *ctx)
 {
-   struct glthread_state *glthread = ctx->GLThread;
-   if (!glthread)
+   struct glthread_state *glthread = &ctx->GLThread;
+   if (!glthread->enabled)
       return;
 
-   struct glthread_batch *next = &glthread->batches[glthread->next];
+   struct glthread_batch *next = glthread->next_batch;
    if (!next->used)
       return;
 
@@ -183,6 +212,7 @@ _mesa_glthread_flush_batch(struct gl_context *ctx)
                       glthread_unmarshal_batch, NULL, 0);
    glthread->last = glthread->next;
    glthread->next = (glthread->next + 1) % MARSHAL_MAX_BATCHES;
+   glthread->next_batch = &glthread->batches[glthread->next];
 }
 
 /**
@@ -194,8 +224,8 @@ _mesa_glthread_flush_batch(struct gl_context *ctx)
 void
 _mesa_glthread_finish(struct gl_context *ctx)
 {
-   struct glthread_state *glthread = ctx->GLThread;
-   if (!glthread)
+   struct glthread_state *glthread = &ctx->GLThread;
+   if (!glthread->enabled)
       return;
 
    /* If this is called from the worker thread, then we've hit a path that
@@ -207,7 +237,7 @@ _mesa_glthread_finish(struct gl_context *ctx)
       return;
 
    struct glthread_batch *last = &glthread->batches[glthread->last];
-   struct glthread_batch *next = &glthread->batches[glthread->next];
+   struct glthread_batch *next = glthread->next_batch;
    bool synced = false;
 
    if (!util_queue_fence_is_signalled(&last->fence)) {
@@ -239,5 +269,7 @@ void
 _mesa_glthread_finish_before(struct gl_context *ctx, const char *func)
 {
    _mesa_glthread_finish(ctx);
-   debug_print_sync_fallback(func);
+
+   /* Uncomment this if you want to know where glthread syncs. */
+   /*printf("fallback to sync: %s\n", func);*/
 }