mesa git update 29 nov 2011

1 files changed, 245 insertions, 249 deletions

diff --git a/mesalib/src/mesa/vbo/vbo_context.c b/mesalib/src/mesa/vbo/vbo_context.c
index 5f03ce547..b2e6bbc12 100644
--- a/mesalib/src/mesa/vbo/vbo_context.c
+++ b/mesalib/src/mesa/vbo/vbo_context.c
@@ -1,249 +1,245 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.3

- *

- * Copyright (C) 1999-2005  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"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * 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 NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL 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.

- *

- * Authors:

- *    Keith Whitwell <keith@tungstengraphics.com>

- */

-

-#include "main/imports.h"

-#include "main/mtypes.h"

-#include "main/api_arrayelt.h"

-#include "main/bufferobj.h"

-#include "math/m_eval.h"

-#include "vbo.h"

-#include "vbo_context.h"

-

-

-

-#define NR_LEGACY_ATTRIBS 16

-#define NR_GENERIC_ATTRIBS 16

-#define NR_MAT_ATTRIBS 12

-

-

-static GLuint check_size( const GLfloat *attr )

-{

-   if (attr[3] != 1.0) return 4;

-   if (attr[2] != 0.0) return 3;

-   if (attr[1] != 0.0) return 2;

-   return 1;		

-}

-

-

-static void init_legacy_currval(struct gl_context *ctx)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   struct gl_client_array *arrays = vbo->legacy_currval;

-   GLuint i;

-

-   memset(arrays, 0, sizeof(*arrays) * NR_LEGACY_ATTRIBS);

-

-   /* Set up a constant (StrideB == 0) array for each current

-    * attribute:

-    */

-   for (i = 0; i < NR_LEGACY_ATTRIBS; i++) {

-      struct gl_client_array *cl = &arrays[i];

-

-      /* Size will have to be determined at runtime:

-       */

-      cl->Size = check_size(ctx->Current.Attrib[i]);

-      cl->Stride = 0;

-      cl->StrideB = 0;

-      cl->Enabled = 1;

-      cl->Type = GL_FLOAT;

-      cl->Format = GL_RGBA;

-      cl->Ptr = (const void *)ctx->Current.Attrib[i];

-      cl->_ElementSize = cl->Size * sizeof(GLfloat);

-      _mesa_reference_buffer_object(ctx, &cl->BufferObj,

-                                    ctx->Shared->NullBufferObj);

-   }

-}

-

-

-static void init_generic_currval(struct gl_context *ctx)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   struct gl_client_array *arrays = vbo->generic_currval;

-   GLuint i;

-

-   memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);

-

-   for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {

-      struct gl_client_array *cl = &arrays[i];

-

-      /* This will have to be determined at runtime:

-       */

-      cl->Size = 1;

-      cl->Type = GL_FLOAT;

-      cl->Format = GL_RGBA;

-      cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];

-      cl->Stride = 0;

-      cl->StrideB = 0;

-      cl->Enabled = 1;

-      cl->_ElementSize = cl->Size * sizeof(GLfloat);

-      _mesa_reference_buffer_object(ctx, &cl->BufferObj,

-                                    ctx->Shared->NullBufferObj);

-   }

-}

-

-

-static void init_mat_currval(struct gl_context *ctx)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   struct gl_client_array *arrays = vbo->mat_currval;

-   GLuint i;

-

-   ASSERT(NR_MAT_ATTRIBS == MAT_ATTRIB_MAX);

-

-   memset(arrays, 0, sizeof(*arrays) * NR_MAT_ATTRIBS);

-

-   /* Set up a constant (StrideB == 0) array for each current

-    * attribute:

-    */

-   for (i = 0; i < NR_MAT_ATTRIBS; i++) {

-      struct gl_client_array *cl = &arrays[i];

-

-      /* Size is fixed for the material attributes, for others will

-       * be determined at runtime:

-       */

-      switch (i - VERT_ATTRIB_GENERIC0) {

-      case MAT_ATTRIB_FRONT_SHININESS:

-      case MAT_ATTRIB_BACK_SHININESS:

-	 cl->Size = 1;

-	 break;

-      case MAT_ATTRIB_FRONT_INDEXES:

-      case MAT_ATTRIB_BACK_INDEXES:

-	 cl->Size = 3;

-	 break;

-      default:

-	 cl->Size = 4;

-	 break;

-      }

-

-      cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];

-      cl->Type = GL_FLOAT;

-      cl->Format = GL_RGBA;

-      cl->Stride = 0;

-      cl->StrideB = 0;

-      cl->Enabled = 1;

-      cl->_ElementSize = cl->Size * sizeof(GLfloat);

-      _mesa_reference_buffer_object(ctx, &cl->BufferObj,

-                                    ctx->Shared->NullBufferObj);

-   }

-}

-

-

-GLboolean _vbo_CreateContext( struct gl_context *ctx )

-{

-   struct vbo_context *vbo = CALLOC_STRUCT(vbo_context);

-

-   ctx->swtnl_im = (void *)vbo;

-

-   /* Initialize the arrayelt helper

-    */

-   if (!ctx->aelt_context &&

-       !_ae_create_context( ctx )) {

-      return GL_FALSE;

-   }

-

-   /* TODO: remove these pointers.

-    */

-   vbo->legacy_currval = &vbo->currval[VBO_ATTRIB_POS];

-   vbo->generic_currval = &vbo->currval[VBO_ATTRIB_GENERIC0];

-   vbo->mat_currval = &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT];

-

-   init_legacy_currval( ctx );

-   init_generic_currval( ctx );

-   init_mat_currval( ctx );

-

-   /* Build mappings from VERT_ATTRIB -> VBO_ATTRIB depending on type

-    * of vertex program active.

-    */

-   {

-      GLuint i;

-

-      /* When no vertex program, pull in the material attributes in

-       * the 16..32 generic range.

-       */

-      for (i = 0; i < 16; i++) 

-	 vbo->map_vp_none[i] = i;

-      for (i = 0; i < 12; i++) 

-	 vbo->map_vp_none[16+i] = VBO_ATTRIB_MAT_FRONT_AMBIENT + i;

-      for (i = 0; i < 4; i++)

-	 vbo->map_vp_none[28+i] = i;	

-      

-      for (i = 0; i < Elements(vbo->map_vp_arb); i++)

-	 vbo->map_vp_arb[i] = i;

-   }

-

-

-   /* Hook our functions into exec and compile dispatch tables.  These

-    * will pretty much be permanently installed, which means that the

-    * vtxfmt mechanism can be removed now.

-    */

-   vbo_exec_init( ctx );

-   if (ctx->API == API_OPENGL)

-      vbo_save_init( ctx );

-

-   _math_init_eval();

-

-   return GL_TRUE;

-}

-

-

-void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state )

-{

-   vbo_exec_invalidate_state(ctx, new_state);

-}

-

-

-void _vbo_DestroyContext( struct gl_context *ctx )

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-

-   if (ctx->aelt_context) {

-      _ae_destroy_context( ctx );

-      ctx->aelt_context = NULL;

-   }

-

-   if (vbo) {

-      GLuint i;

-

-      for (i = 0; i < VBO_ATTRIB_MAX; i++) {

-         _mesa_reference_buffer_object(ctx, &vbo->currval[i].BufferObj, NULL);

-      }

-

-      vbo_exec_destroy(ctx);

-      if (ctx->API == API_OPENGL)

-         vbo_save_destroy(ctx);

-      FREE(vbo);

-      ctx->swtnl_im = NULL;

-   }

-}

-

-

-void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   vbo->draw_prims = func;

-}

-

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2005  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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/api_arrayelt.h"
+#include "main/bufferobj.h"
+#include "math/m_eval.h"
+#include "vbo.h"
+#include "vbo_context.h"
+
+#define NR_MAT_ATTRIBS 12
+
+static GLuint check_size( const GLfloat *attr )
+{
+   if (attr[3] != 1.0) return 4;
+   if (attr[2] != 0.0) return 3;
+   if (attr[1] != 0.0) return 2;
+   return 1;		
+}
+
+
+static void init_legacy_currval(struct gl_context *ctx)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   struct gl_client_array *arrays = vbo->legacy_currval;
+   GLuint i;
+
+   memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_FF_MAX);
+
+   /* Set up a constant (StrideB == 0) array for each current
+    * attribute:
+    */
+   for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) {
+      struct gl_client_array *cl = &arrays[i];
+
+      /* Size will have to be determined at runtime:
+       */
+      cl->Size = check_size(ctx->Current.Attrib[i]);
+      cl->Stride = 0;
+      cl->StrideB = 0;
+      cl->Enabled = 1;
+      cl->Type = GL_FLOAT;
+      cl->Format = GL_RGBA;
+      cl->Ptr = (const void *)ctx->Current.Attrib[i];
+      cl->_ElementSize = cl->Size * sizeof(GLfloat);
+      _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+                                    ctx->Shared->NullBufferObj);
+   }
+}
+
+
+static void init_generic_currval(struct gl_context *ctx)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   struct gl_client_array *arrays = vbo->generic_currval;
+   GLuint i;
+
+   memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_GENERIC_MAX);
+
+   for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) {
+      struct gl_client_array *cl = &arrays[i];
+
+      /* This will have to be determined at runtime:
+       */
+      cl->Size = 1;
+      cl->Type = GL_FLOAT;
+      cl->Format = GL_RGBA;
+      cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
+      cl->Stride = 0;
+      cl->StrideB = 0;
+      cl->Enabled = 1;
+      cl->_ElementSize = cl->Size * sizeof(GLfloat);
+      _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+                                    ctx->Shared->NullBufferObj);
+   }
+}
+
+
+static void init_mat_currval(struct gl_context *ctx)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   struct gl_client_array *arrays = vbo->mat_currval;
+   GLuint i;
+
+   ASSERT(NR_MAT_ATTRIBS == MAT_ATTRIB_MAX);
+
+   memset(arrays, 0, sizeof(*arrays) * NR_MAT_ATTRIBS);
+
+   /* Set up a constant (StrideB == 0) array for each current
+    * attribute:
+    */
+   for (i = 0; i < NR_MAT_ATTRIBS; i++) {
+      struct gl_client_array *cl = &arrays[i];
+
+      /* Size is fixed for the material attributes, for others will
+       * be determined at runtime:
+       */
+      switch (i - VERT_ATTRIB_GENERIC0) {
+      case MAT_ATTRIB_FRONT_SHININESS:
+      case MAT_ATTRIB_BACK_SHININESS:
+	 cl->Size = 1;
+	 break;
+      case MAT_ATTRIB_FRONT_INDEXES:
+      case MAT_ATTRIB_BACK_INDEXES:
+	 cl->Size = 3;
+	 break;
+      default:
+	 cl->Size = 4;
+	 break;
+      }
+
+      cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];
+      cl->Type = GL_FLOAT;
+      cl->Format = GL_RGBA;
+      cl->Stride = 0;
+      cl->StrideB = 0;
+      cl->Enabled = 1;
+      cl->_ElementSize = cl->Size * sizeof(GLfloat);
+      _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+                                    ctx->Shared->NullBufferObj);
+   }
+}
+
+
+GLboolean _vbo_CreateContext( struct gl_context *ctx )
+{
+   struct vbo_context *vbo = CALLOC_STRUCT(vbo_context);
+
+   ctx->swtnl_im = (void *)vbo;
+
+   /* Initialize the arrayelt helper
+    */
+   if (!ctx->aelt_context &&
+       !_ae_create_context( ctx )) {
+      return GL_FALSE;
+   }
+
+   /* TODO: remove these pointers.
+    */
+   vbo->legacy_currval = &vbo->currval[VBO_ATTRIB_POS];
+   vbo->generic_currval = &vbo->currval[VBO_ATTRIB_GENERIC0];
+   vbo->mat_currval = &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT];
+
+   init_legacy_currval( ctx );
+   init_generic_currval( ctx );
+   init_mat_currval( ctx );
+
+   /* Build mappings from VERT_ATTRIB -> VBO_ATTRIB depending on type
+    * of vertex program active.
+    */
+   {
+      GLuint i;
+
+      /* When no vertex program, pull in the material attributes in
+       * the generic range.
+       */
+      for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) 
+	 vbo->map_vp_none[i] = i;
+      for (i = 0; i < NR_MAT_ATTRIBS; i++) 
+	 vbo->map_vp_none[VERT_ATTRIB_GENERIC(i)]
+            = VBO_ATTRIB_MAT_FRONT_AMBIENT + i;
+      for (i = NR_MAT_ATTRIBS; i < VERT_ATTRIB_GENERIC_MAX; i++)
+	 vbo->map_vp_none[VERT_ATTRIB_GENERIC(i)] = i;
+      
+      for (i = 0; i < Elements(vbo->map_vp_arb); i++)
+	 vbo->map_vp_arb[i] = i;
+   }
+
+
+   /* Hook our functions into exec and compile dispatch tables.  These
+    * will pretty much be permanently installed, which means that the
+    * vtxfmt mechanism can be removed now.
+    */
+   vbo_exec_init( ctx );
+   if (ctx->API == API_OPENGL)
+      vbo_save_init( ctx );
+
+   _math_init_eval();
+
+   return GL_TRUE;
+}
+
+
+void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state )
+{
+   vbo_exec_invalidate_state(ctx, new_state);
+}
+
+
+void _vbo_DestroyContext( struct gl_context *ctx )
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+
+   if (ctx->aelt_context) {
+      _ae_destroy_context( ctx );
+      ctx->aelt_context = NULL;
+   }
+
+   if (vbo) {
+      GLuint i;
+
+      for (i = 0; i < VBO_ATTRIB_MAX; i++) {
+         _mesa_reference_buffer_object(ctx, &vbo->currval[i].BufferObj, NULL);
+      }
+
+      vbo_exec_destroy(ctx);
+      if (ctx->API == API_OPENGL)
+         vbo_save_destroy(ctx);
+      FREE(vbo);
+      ctx->swtnl_im = NULL;
+   }
+}
+
+
+void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   vbo->draw_prims = func;
+}
+