X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fvbo%2Fvbo_exec_draw.c;h=5bf3d836db57224b8bc11d45ccc12cdc2c613e93;hb=a7d9fde24cb8ecc59b0a6fc610135d851806295b;hp=c1898aea4972a3ce73f4acccdc04f2d1586c4450;hpb=99efde461d3b8615863bdb7308e05289e0db0422;p=mesa.git

diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index c1898aea497..5bf3d836db5 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  7.2
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -25,11 +25,12 @@
  *    Keith Whitwell <keith@tungstengraphics.com>
  */
 
-#include "glheader.h"
-#include "context.h"
-#include "enums.h"
-#include "state.h"
-#include "macros.h"
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/enums.h"
+#include "main/state.h"
+#include "main/macros.h"
 
 #include "vbo_context.h"
 
@@ -114,6 +115,11 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
 	 return 2;
       }
    case GL_TRIANGLE_STRIP:
+      /* no parity issue, but need to make sure the tri is not drawn twice */
+      if (nr & 1) {
+	 exec->vtx.prim[exec->vtx.prim_count-1].count--;
+      }
+      /* fallthrough */
    case GL_QUAD_STRIP:
       switch (nr) {
       case 0: ovf = 0; break;
@@ -123,7 +129,7 @@ static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
       for (i = 0 ; i < ovf ; i++)
 	 _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
       return i;
-   case GL_POLYGON+1:
+   case PRIM_OUTSIDE_BEGIN_END:
       return 0;
    default:
       assert(0);
@@ -144,14 +150,19 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
    GLubyte *data = exec->vtx.buffer_map;
    const GLuint *map;
    GLuint attr;
+   GLbitfield varying_inputs = 0x0;
 
    /* Install the default (ie Current) attributes first, then overlay
     * all active ones.
     */
    switch (get_program_mode(exec->ctx)) {
    case VP_NONE:
-      memcpy(arrays,      vbo->legacy_currval, 16 * sizeof(arrays[0]));
-      memcpy(arrays + 16, vbo->mat_currval,    16 * sizeof(arrays[0]));
+      for (attr = 0; attr < 16; attr++) {
+         exec->vtx.inputs[attr] = &vbo->legacy_currval[attr];
+      }
+      for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
+         exec->vtx.inputs[attr + 16] = &vbo->mat_currval[attr];
+      }
       map = vbo->map_vp_none;
       break;
    case VP_NV:
@@ -160,8 +171,10 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
        * occurred.  NV vertex programs cannot access material values,
        * nor attributes greater than VERT_ATTRIB_TEX7.  
        */
-      memcpy(arrays,      vbo->legacy_currval,  16 * sizeof(arrays[0]));
-      memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0]));
+      for (attr = 0; attr < 16; attr++) {
+         exec->vtx.inputs[attr] = &vbo->legacy_currval[attr];
+         exec->vtx.inputs[attr + 16] = &vbo->generic_currval[attr];
+      }
       map = vbo->map_vp_arb;
       break;
    }
@@ -170,21 +183,40 @@ static void vbo_exec_bind_arrays( GLcontext *ctx )
     * arrays of floats.
     */
    for (attr = 0; attr < VERT_ATTRIB_MAX ; attr++) {
-      GLuint src = map[attr];
+      const GLuint src = map[attr];
 
       if (exec->vtx.attrsz[src]) {
-	 arrays[attr].Ptr = (void *)data;
+         /* override the default array set above */
+         exec->vtx.inputs[attr] = &arrays[attr];
+
+         if (exec->vtx.bufferobj->Name) {
+            /* a real buffer obj: Ptr is an offset, not a pointer*/
+            int offset;
+            assert(exec->vtx.bufferobj->Pointer);  /* buf should be mapped */
+            offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer;
+            assert(offset >= 0);
+            arrays[attr].Ptr = (void *) offset;
+         }
+         else {
+            /* Ptr into ordinary app memory */
+            arrays[attr].Ptr = (void *) data;
+         }
 	 arrays[attr].Size = exec->vtx.attrsz[src];
 	 arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat);
 	 arrays[attr].Stride = exec->vtx.vertex_size * sizeof(GLfloat);
 	 arrays[attr].Type = GL_FLOAT;
 	 arrays[attr].Enabled = 1;
-	 arrays[attr].BufferObj = exec->vtx.bufferobj; /* NullBufferObj */
+         _mesa_reference_buffer_object(ctx,
+                                       &arrays[attr].BufferObj,
+                                       exec->vtx.bufferobj);
 	 arrays[attr]._MaxElement = count; /* ??? */
 
-	 data += exec->vtx.attrsz[attr] * sizeof(GLfloat);
+	 data += exec->vtx.attrsz[src] * sizeof(GLfloat);
+         varying_inputs |= 1<<attr;
       }
    }
+
+   _mesa_set_varying_vp_inputs( ctx, varying_inputs );
 }
 
 
@@ -205,15 +237,38 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
       if (exec->vtx.copied.nr != exec->vtx.vert_count) {
 	 GLcontext *ctx = exec->ctx;
 
+	 GLenum target = GL_ARRAY_BUFFER_ARB;
+	 GLenum access = GL_READ_WRITE_ARB;
+	 GLenum usage = GL_STREAM_DRAW_ARB;
+	 GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat);
+	 
+	 /* Before the unmap (why?)
+	  */
 	 vbo_exec_bind_arrays( ctx );
 
+         if (ctx->NewState)
+            _mesa_update_state( ctx );
+
+         /* if using a real VBO, unmap it before drawing */
+         if (exec->vtx.bufferobj->Name) {
+            ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
+            exec->vtx.buffer_map = NULL;
+         }
+
 	 vbo_context(ctx)->draw_prims( ctx, 
 				       exec->vtx.inputs, 
 				       exec->vtx.prim, 
 				       exec->vtx.prim_count,
 				       NULL,
 				       0,
-				       exec->vtx.vert_count );
+				       exec->vtx.vert_count - 1);
+
+	 /* If using a real VBO, get new storage */
+         if (exec->vtx.bufferobj->Name) {
+            ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
+            exec->vtx.buffer_map = 
+               ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+         }
       }
    }