Changeset 712 for soft/giet_vm/applications/raycast/raycast.c

Timestamp:

Oct 7, 2015, 11:56:33 AM (10 years ago)

Author:

alain

Message:

Introduce the giet_fbf_size() and giet_fbf_alloc() system calls.

File:

• soft/giet_vm/applications/raycast/raycast.c (modified) (5 diffs)

soft/giet_vm/applications/raycast/raycast.c

@@ -18 +18 @@
 pthread_t                trdid[1024];        // thread identifiers array
 Game                     game;               // Game state
+unsigned int             fbuf_x_size;        // FBF width
+unsigned int             fbuf_y_size;        // FBF height
 
 // Textures
@@ -52 +54 @@
     unsigned int i, j, n;   // indexes for loops
 
+    // get private TTY
     giet_tty_alloc(0);
 
@@ -63 +66 @@
     giet_pthread_assert( (h<=16) , "[RAYCAST ERROR] check hardware config" );
     giet_pthread_assert( (p<= 4) , "[RAYCAST ERROR] check hardware config" );
+
+    // check frame buffer availability
+    giet_fbf_size( &fbuf_x_size , &fbuf_y_size );
+    giet_pthread_assert( ((fbuf_x_size) && (fbuf_y_size)) ,
+                         "[RAYCAST ERROR] no frame buffer available" );
 
     // compute total number of threads
@@ -83 +91 @@
 
     // Initialize frame buffer and start Chained buffer DMA
+    giet_fbf_alloc();
     giet_fbf_cma_alloc();
     giet_fbf_cma_init_buf(buf[0], buf[1], sts[0], sts[1]);
@@ -127 +136 @@
         unsigned int slice;
         while ( dispRenderSlice( &slice ) );
-/*
-        unsigned int again;
-        do
-        {
-            again = dispRenderSlice( &slice );
-        }
-        while ( again );
-*/
+
         // Wait last slice completion
         while (slice_count < FBUF_X_SIZE)  giet_tty_printf(" ");