i915: Made batch buffer size much larger

src/gallium/winsys/dri/intel/intel_batchbuffer.c

@@ -65,7 +65,7 @@ intel_batchbuffer_reset(struct intel_batchbuffer *batch)
    driBOUnrefUserList(batch->list);
    driBOResetList(batch->list);
 
-   batch->size = 4 * 4096; // ZZZ JB batch->intel->intelScreen->maxBatchSize;
+   batch->size = batch->intel->intelScreen->max_batch_size;
    driBOData(batch->buffer, batch->size, NULL, NULL, 0);
 
    /*

src/gallium/winsys/dri/intel/intel_screen.c

@@ -200,8 +200,8 @@ intelCreatePools(__DRIscreenPrivate * sPriv)
 						DRM_BO_FLAG_MEM_TT,
 						DRM_BO_FLAG_EXE |
 						DRM_BO_FLAG_MEM_TT,
-						4 * 4096, //intelScreen->maxBatchSize,
-						1, 40, 16*16384, 0,
+						intelScreen->max_batch_size,
+						1, 40, intelScreen->max_batch_size * 16, 0,
 						intelScreen->fMan);
 #endif
    intelScreen->havePools = GL_TRUE;
@@ -262,7 +262,7 @@ intelInitDriver(__DRIscreenPrivate * sPriv)
       (*glx_enable_extension) (psc, "GLX_SGI_make_current_read");
    }
 
-
+   intelScreen->max_batch_size = 16 * 4096;
 
 #if 1 // ZZZ JB
    intelScreen->mgr = driFenceMgrTTMInit(sPriv->fd);

src/gallium/winsys/dri/intel/intel_screen.h

@@ -80,6 +80,7 @@ struct intel_screen
    struct _DriFenceMgr *mgr;
    struct _DriFreeSlabManager *fMan;
    unsigned batch_id;
+   unsigned max_batch_size;
 
    struct pipe_winsys *winsys;
 };