pixman mesa git update 16 Feb 2011

1 files changed, 305 insertions, 304 deletions

diff --git a/mesalib/src/mesa/vbo/vbo_save_draw.c b/mesalib/src/mesa/vbo/vbo_save_draw.c
index 6d8dbdb86..634a6d3f8 100644
--- a/mesalib/src/mesa/vbo/vbo_save_draw.c
+++ b/mesalib/src/mesa/vbo/vbo_save_draw.c
@@ -1,304 +1,305 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.2

- *

- * 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"),

- * 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.

- */

-

-/* Author:

- *    Keith Whitwell <keith@tungstengraphics.com>

- */

-

-#include "main/glheader.h"

-#include "main/bufferobj.h"

-#include "main/context.h"

-#include "main/imports.h"

-#include "main/mfeatures.h"

-#include "main/mtypes.h"

-#include "main/macros.h"

-#include "main/light.h"

-#include "main/state.h"

-

-#include "vbo_context.h"

-

-

-#if FEATURE_dlist

-

-

-/**

- * After playback, copy everything but the position from the

- * last vertex to the saved state

- */

-static void

-_playback_copy_to_current(struct gl_context *ctx,

-                          const struct vbo_save_vertex_list *node)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   GLfloat vertex[VBO_ATTRIB_MAX * 4];

-   GLfloat *data;

-   GLuint i, offset;

-

-   if (node->current_size == 0)

-      return;

-

-   if (node->current_data) {

-      data = node->current_data;

-   }

-   else {

-      data = vertex;

-

-      if (node->count)

-         offset = (node->buffer_offset + 

-                   (node->count-1) * node->vertex_size * sizeof(GLfloat));

-      else

-         offset = node->buffer_offset;

-

-      ctx->Driver.GetBufferSubData( ctx, 0, offset, 

-                                    node->vertex_size * sizeof(GLfloat), 

-                                    data, node->vertex_store->bufferobj );

-

-      data += node->attrsz[0]; /* skip vertex position */

-   }

-

-   for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {

-      if (node->attrsz[i]) {

-	 GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;

-         GLfloat tmp[4];

-

-         COPY_CLEAN_4V(tmp, 

-                       node->attrsz[i], 

-                       data);

-         

-         if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {

-            memcpy(current, tmp, 4 * sizeof(GLfloat));

-

-            vbo->currval[i].Size = node->attrsz[i];

-

-            if (i >= VBO_ATTRIB_FIRST_MATERIAL &&

-                i <= VBO_ATTRIB_LAST_MATERIAL)

-               ctx->NewState |= _NEW_LIGHT;

-

-            ctx->NewState |= _NEW_CURRENT_ATTRIB;

-         }

-

-	 data += node->attrsz[i];

-      }

-   }

-

-   /* Colormaterial -- this kindof sucks.

-    */

-   if (ctx->Light.ColorMaterialEnabled) {

-      _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);

-   }

-

-   /* CurrentExecPrimitive

-    */

-   if (node->prim_count) {

-      const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];

-      if (prim->end)

-	 ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;

-      else

-	 ctx->Driver.CurrentExecPrimitive = prim->mode;

-   }

-}

-

-

-

-/**

- * Treat the vertex storage as a VBO, define vertex arrays pointing

- * into it:

- */

-static void vbo_bind_vertex_list(struct gl_context *ctx,

-                                 const struct vbo_save_vertex_list *node)

-{

-   struct vbo_context *vbo = vbo_context(ctx);

-   struct vbo_save_context *save = &vbo->save;

-   struct gl_client_array *arrays = save->arrays;

-   GLuint buffer_offset = node->buffer_offset;

-   const GLuint *map;

-   GLuint attr;

-   GLubyte node_attrsz[VBO_ATTRIB_MAX];  /* copy of node->attrsz[] */

-   GLbitfield varying_inputs = 0x0;

-

-   memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));

-

-   /* Install the default (ie Current) attributes first, then overlay

-    * all active ones.

-    */

-   switch (get_program_mode(ctx)) {

-   case VP_NONE:

-      for (attr = 0; attr < 16; attr++) {

-         save->inputs[attr] = &vbo->legacy_currval[attr];

-      }

-      for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {

-         save->inputs[attr + 16] = &vbo->mat_currval[attr];

-      }

-      map = vbo->map_vp_none;

-      break;

-   case VP_NV:

-   case VP_ARB:

-      /* The aliasing of attributes for NV vertex programs has already

-       * occurred.  NV vertex programs cannot access material values,

-       * nor attributes greater than VERT_ATTRIB_TEX7.  

-       */

-      for (attr = 0; attr < 16; attr++) {

-         save->inputs[attr] = &vbo->legacy_currval[attr];

-         save->inputs[attr + 16] = &vbo->generic_currval[attr];

-      }

-      map = vbo->map_vp_arb;

-

-      /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.

-       * In that case we effectively need to route the data from

-       * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.

-       */

-      if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&

-          (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {

-         save->inputs[16] = save->inputs[0];

-         node_attrsz[16] = node_attrsz[0];

-         node_attrsz[0] = 0;

-      }

-      break;

-   default:

-      assert(0);

-   }

-

-   for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {

-      const GLuint src = map[attr];

-

-      if (node_attrsz[src]) {

-         /* override the default array set above */

-         save->inputs[attr] = &arrays[attr];

-

-	 arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;

-	 arrays[attr].Size = node->attrsz[src];

-	 arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);

-	 arrays[attr].Stride = node->vertex_size * sizeof(GLfloat);

-	 arrays[attr].Type = GL_FLOAT;

-         arrays[attr].Format = GL_RGBA;

-	 arrays[attr].Enabled = 1;

-         _mesa_reference_buffer_object(ctx,

-                                       &arrays[attr].BufferObj,

-                                       node->vertex_store->bufferobj);

-	 arrays[attr]._MaxElement = node->count; /* ??? */

-	 

-	 assert(arrays[attr].BufferObj->Name);

-

-	 buffer_offset += node->attrsz[src] * sizeof(GLfloat);

-         varying_inputs |= 1<<attr;

-      }

-   }

-

-   _mesa_set_varying_vp_inputs( ctx, varying_inputs );

-}

-

-

-static void

-vbo_save_loopback_vertex_list(struct gl_context *ctx,

-                              const struct vbo_save_vertex_list *list)

-{

-   const char *buffer = ctx->Driver.MapBuffer(ctx, 

-					      GL_ARRAY_BUFFER_ARB, 

-					      GL_READ_ONLY, /* ? */

-                                              list->vertex_store->bufferobj);

-

-   vbo_loopback_vertex_list(ctx,

-                            (const GLfloat *)(buffer + list->buffer_offset),

-                            list->attrsz,

-                            list->prim,

-                            list->prim_count,

-                            list->wrap_count,

-                            list->vertex_size);

-

-   ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, 

-			   list->vertex_store->bufferobj);

-}

-

-

-/**

- * Execute the buffer and save copied verts.

- * This is called from the display list code when executing

- * a drawing command.

- */

-void

-vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)

-{

-   const struct vbo_save_vertex_list *node =

-      (const struct vbo_save_vertex_list *) data;

-   struct vbo_save_context *save = &vbo_context(ctx)->save;

-

-   FLUSH_CURRENT(ctx, 0);

-

-   if (node->prim_count > 0 && node->count > 0) {

-

-      if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&

-	  node->prim[0].begin) {

-

-	 /* Degenerate case: list is called inside begin/end pair and

-	  * includes operations such as glBegin or glDrawArrays.

-	  */

-	 if (0)

-	    printf("displaylist recursive begin");

-

-	 vbo_save_loopback_vertex_list( ctx, node );

-	 return;

-      }

-      else if (save->replay_flags) {

-	 /* Various degnerate cases: translate into immediate mode

-	  * calls rather than trying to execute in place.

-	  */

-	 vbo_save_loopback_vertex_list( ctx, node );

-	 return;

-      }

-      

-      if (ctx->NewState)

-	 _mesa_update_state( ctx );

-

-      /* XXX also need to check if shader enabled, but invalid */

-      if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||

-          (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {

-         _mesa_error(ctx, GL_INVALID_OPERATION,

-                     "glBegin (invalid vertex/fragment program)");

-         return;

-      }

-

-      vbo_bind_vertex_list( ctx, node );

-

-      /* Again...

-       */

-      if (ctx->NewState)

-	 _mesa_update_state( ctx );

-

-      vbo_context(ctx)->draw_prims(ctx, 

-                                   save->inputs, 

-                                   node->prim, 

-                                   node->prim_count,

-                                   NULL,

-                                   GL_TRUE,

-                                   0,	/* Node is a VBO, so this is ok */

-                                   node->count - 1);

-   }

-

-   /* Copy to current?

-    */

-   _playback_copy_to_current( ctx, node );

-}

-

-

-#endif /* FEATURE_dlist */

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.2
+ *
+ * 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"),
+ * 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.
+ */
+
+/* Author:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/imports.h"
+#include "main/mfeatures.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/light.h"
+#include "main/state.h"
+
+#include "vbo_context.h"
+
+
+#if FEATURE_dlist
+
+
+/**
+ * After playback, copy everything but the position from the
+ * last vertex to the saved state
+ */
+static void
+_playback_copy_to_current(struct gl_context *ctx,
+                          const struct vbo_save_vertex_list *node)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   GLfloat vertex[VBO_ATTRIB_MAX * 4];
+   GLfloat *data;
+   GLuint i, offset;
+
+   if (node->current_size == 0)
+      return;
+
+   if (node->current_data) {
+      data = node->current_data;
+   }
+   else {
+      data = vertex;
+
+      if (node->count)
+         offset = (node->buffer_offset + 
+                   (node->count-1) * node->vertex_size * sizeof(GLfloat));
+      else
+         offset = node->buffer_offset;
+
+      ctx->Driver.GetBufferSubData( ctx, 0, offset, 
+                                    node->vertex_size * sizeof(GLfloat), 
+                                    data, node->vertex_store->bufferobj );
+
+      data += node->attrsz[0]; /* skip vertex position */
+   }
+
+   for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
+      if (node->attrsz[i]) {
+	 GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
+         GLfloat tmp[4];
+
+         COPY_CLEAN_4V(tmp, 
+                       node->attrsz[i], 
+                       data);
+         
+         if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {
+            memcpy(current, tmp, 4 * sizeof(GLfloat));
+
+            vbo->currval[i].Size = node->attrsz[i];
+
+            if (i >= VBO_ATTRIB_FIRST_MATERIAL &&
+                i <= VBO_ATTRIB_LAST_MATERIAL)
+               ctx->NewState |= _NEW_LIGHT;
+
+            ctx->NewState |= _NEW_CURRENT_ATTRIB;
+         }
+
+	 data += node->attrsz[i];
+      }
+   }
+
+   /* Colormaterial -- this kindof sucks.
+    */
+   if (ctx->Light.ColorMaterialEnabled) {
+      _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
+   }
+
+   /* CurrentExecPrimitive
+    */
+   if (node->prim_count) {
+      const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];
+      if (prim->end)
+	 ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+      else
+	 ctx->Driver.CurrentExecPrimitive = prim->mode;
+   }
+}
+
+
+
+/**
+ * Treat the vertex storage as a VBO, define vertex arrays pointing
+ * into it:
+ */
+static void vbo_bind_vertex_list(struct gl_context *ctx,
+                                 const struct vbo_save_vertex_list *node)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   struct vbo_save_context *save = &vbo->save;
+   struct gl_client_array *arrays = save->arrays;
+   GLuint buffer_offset = node->buffer_offset;
+   const GLuint *map;
+   GLuint attr;
+   GLubyte node_attrsz[VBO_ATTRIB_MAX];  /* copy of node->attrsz[] */
+   GLbitfield varying_inputs = 0x0;
+
+   memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
+
+   /* Install the default (ie Current) attributes first, then overlay
+    * all active ones.
+    */
+   switch (get_program_mode(ctx)) {
+   case VP_NONE:
+      for (attr = 0; attr < 16; attr++) {
+         save->inputs[attr] = &vbo->legacy_currval[attr];
+      }
+      for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
+         save->inputs[attr + 16] = &vbo->mat_currval[attr];
+      }
+      map = vbo->map_vp_none;
+      break;
+   case VP_NV:
+   case VP_ARB:
+      /* The aliasing of attributes for NV vertex programs has already
+       * occurred.  NV vertex programs cannot access material values,
+       * nor attributes greater than VERT_ATTRIB_TEX7.  
+       */
+      for (attr = 0; attr < 16; attr++) {
+         save->inputs[attr] = &vbo->legacy_currval[attr];
+         save->inputs[attr + 16] = &vbo->generic_currval[attr];
+      }
+      map = vbo->map_vp_arb;
+
+      /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
+       * In that case we effectively need to route the data from
+       * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
+       */
+      if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
+          (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
+         save->inputs[16] = save->inputs[0];
+         node_attrsz[16] = node_attrsz[0];
+         node_attrsz[0] = 0;
+      }
+      break;
+   default:
+      assert(0);
+   }
+
+   for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
+      const GLuint src = map[attr];
+
+      if (node_attrsz[src]) {
+         /* override the default array set above */
+         save->inputs[attr] = &arrays[attr];
+
+	 arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;
+	 arrays[attr].Size = node->attrsz[src];
+	 arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);
+	 arrays[attr].Stride = node->vertex_size * sizeof(GLfloat);
+	 arrays[attr].Type = GL_FLOAT;
+         arrays[attr].Format = GL_RGBA;
+	 arrays[attr].Enabled = 1;
+         _mesa_reference_buffer_object(ctx,
+                                       &arrays[attr].BufferObj,
+                                       node->vertex_store->bufferobj);
+	 arrays[attr]._MaxElement = node->count; /* ??? */
+	 
+	 assert(arrays[attr].BufferObj->Name);
+
+	 buffer_offset += node->attrsz[src] * sizeof(GLfloat);
+         varying_inputs |= 1<<attr;
+         ctx->NewState |= _NEW_ARRAY;
+      }
+   }
+
+   _mesa_set_varying_vp_inputs( ctx, varying_inputs );
+}
+
+
+static void
+vbo_save_loopback_vertex_list(struct gl_context *ctx,
+                              const struct vbo_save_vertex_list *list)
+{
+   const char *buffer = ctx->Driver.MapBuffer(ctx, 
+					      GL_ARRAY_BUFFER_ARB, 
+					      GL_READ_ONLY, /* ? */
+                                              list->vertex_store->bufferobj);
+
+   vbo_loopback_vertex_list(ctx,
+                            (const GLfloat *)(buffer + list->buffer_offset),
+                            list->attrsz,
+                            list->prim,
+                            list->prim_count,
+                            list->wrap_count,
+                            list->vertex_size);
+
+   ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, 
+			   list->vertex_store->bufferobj);
+}
+
+
+/**
+ * Execute the buffer and save copied verts.
+ * This is called from the display list code when executing
+ * a drawing command.
+ */
+void
+vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
+{
+   const struct vbo_save_vertex_list *node =
+      (const struct vbo_save_vertex_list *) data;
+   struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+   FLUSH_CURRENT(ctx, 0);
+
+   if (node->prim_count > 0 && node->count > 0) {
+
+      if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&
+	  node->prim[0].begin) {
+
+	 /* Degenerate case: list is called inside begin/end pair and
+	  * includes operations such as glBegin or glDrawArrays.
+	  */
+	 if (0)
+	    printf("displaylist recursive begin");
+
+	 vbo_save_loopback_vertex_list( ctx, node );
+	 return;
+      }
+      else if (save->replay_flags) {
+	 /* Various degnerate cases: translate into immediate mode
+	  * calls rather than trying to execute in place.
+	  */
+	 vbo_save_loopback_vertex_list( ctx, node );
+	 return;
+      }
+      
+      if (ctx->NewState)
+	 _mesa_update_state( ctx );
+
+      /* XXX also need to check if shader enabled, but invalid */
+      if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||
+          (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glBegin (invalid vertex/fragment program)");
+         return;
+      }
+
+      vbo_bind_vertex_list( ctx, node );
+
+      /* Again...
+       */
+      if (ctx->NewState)
+	 _mesa_update_state( ctx );
+
+      vbo_context(ctx)->draw_prims(ctx, 
+                                   save->inputs, 
+                                   node->prim, 
+                                   node->prim_count,
+                                   NULL,
+                                   GL_TRUE,
+                                   0,	/* Node is a VBO, so this is ok */
+                                   node->count - 1);
+   }
+
+   /* Copy to current?
+    */
+   _playback_copy_to_current( ctx, node );
+}
+
+
+#endif /* FEATURE_dlist */