1 files changed, 309 insertions, 309 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_feedback.c b/mesalib/src/mesa/state_tracker/st_cb_feedback.c
index d390ba192..9b85a39be 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_feedback.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_feedback.c
@@ -1,309 +1,309 @@
-/**************************************************************************
- * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- * 
- **************************************************************************/
-
-/**
- * GL_SELECT and GL_FEEDBACK render modes.
- * Basically, we use a private instance of the 'draw' module for doing
- * selection/feedback.  It would be nice to use the transform_feedback
- * hardware feature, but it's defined as happening pre-clip and we want
- * post-clipped primitives.  Also, there's concerns about the efficiency
- * of using the hardware for this anyway.
- *
- * Authors:
- *   Brian Paul
- */
-
-#include "main/imports.h"
-#include "main/context.h"
-#include "main/feedback.h"
-#include "main/mfeatures.h"
-
-#include "vbo/vbo.h"
-
-#include "st_context.h"
-#include "st_draw.h"
-#include "st_cb_feedback.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-
-#include "draw/draw_context.h"
-#include "draw/draw_pipe.h"
-
-
-#if FEATURE_feedback
-
-/**
- * This is actually used for both feedback and selection.
- */
-struct feedback_stage
-{
-   struct draw_stage stage;   /**< Base class */
-   struct gl_context *ctx;            /**< Rendering context */
-   GLboolean reset_stipple_counter;
-};
-
-
-/**********************************************************************
- * GL Feedback functions
- **********************************************************************/
-
-static INLINE struct feedback_stage *
-feedback_stage( struct draw_stage *stage )
-{
-   return (struct feedback_stage *)stage;
-}
-
-
-static void
-feedback_vertex(struct gl_context *ctx, const struct draw_context *draw,
-                const struct vertex_header *v)
-{
-   const struct st_context *st = st_context(ctx);
-   GLfloat win[4];
-   const GLfloat *color, *texcoord;
-   GLuint slot;
-
-   /* Recall that Y=0=Top of window for Gallium wincoords */
-   win[0] = v->data[0][0];
-   win[1] = ctx->DrawBuffer->Height - v->data[0][1];
-   win[2] = v->data[0][2];
-   win[3] = 1.0F / v->data[0][3];
-
-   /* XXX
-    * When we compute vertex layout, save info about position of the
-    * color and texcoord attribs to use here.
-    */
-
-   slot = st->vertex_result_to_slot[VERT_RESULT_COL0];
-   if (slot != ~0U)
-      color = v->data[slot];
-   else
-      color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
-
-   slot = st->vertex_result_to_slot[VERT_RESULT_TEX0];
-   if (slot != ~0U)
-      texcoord = v->data[slot];
-   else
-      texcoord = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
-
-   _mesa_feedback_vertex(ctx, win, color, texcoord);
-}
-
-
-static void
-feedback_tri( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   struct draw_context *draw = stage->draw;
-   _mesa_feedback_token(fs->ctx, (GLfloat) GL_POLYGON_TOKEN);
-   _mesa_feedback_token(fs->ctx, (GLfloat) 3); /* three vertices */
-   feedback_vertex(fs->ctx, draw, prim->v[0]);
-   feedback_vertex(fs->ctx, draw, prim->v[1]);
-   feedback_vertex(fs->ctx, draw, prim->v[2]);
-}
-
-
-static void
-feedback_line( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   struct draw_context *draw = stage->draw;
-   if (fs->reset_stipple_counter) {
-      _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_RESET_TOKEN);
-      fs->reset_stipple_counter = GL_FALSE;
-   }
-   else {
-      _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_TOKEN);
-   }
-   feedback_vertex(fs->ctx, draw, prim->v[0]);
-   feedback_vertex(fs->ctx, draw, prim->v[1]);
-}
-
-
-static void
-feedback_point( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   struct draw_context *draw = stage->draw;
-   _mesa_feedback_token(fs->ctx, (GLfloat) GL_POINT_TOKEN);
-   feedback_vertex(fs->ctx, draw, prim->v[0]);
-}
-
-
-static void
-feedback_flush( struct draw_stage *stage, unsigned flags )
-{
-   /* no-op */
-}
-
-
-static void
-feedback_reset_stipple_counter( struct draw_stage *stage )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   fs->reset_stipple_counter = GL_TRUE;
-}
-
-
-static void
-feedback_destroy( struct draw_stage *stage )
-{
-   /* no-op */
-}
-
-/**
- * Create GL feedback drawing stage.
- */
-static struct draw_stage *
-draw_glfeedback_stage(struct gl_context *ctx, struct draw_context *draw)
-{
-   struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage);
-
-   fs->stage.draw = draw;
-   fs->stage.next = NULL;
-   fs->stage.point = feedback_point;
-   fs->stage.line = feedback_line;
-   fs->stage.tri = feedback_tri;
-   fs->stage.flush = feedback_flush;
-   fs->stage.reset_stipple_counter = feedback_reset_stipple_counter;
-   fs->stage.destroy = feedback_destroy;
-   fs->ctx = ctx;
-
-   return &fs->stage;
-}
-
-
-
-/**********************************************************************
- * GL Selection functions
- **********************************************************************/
-
-static void
-select_tri( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
-   _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] );
-   _mesa_update_hitflag( fs->ctx, prim->v[2]->data[0][2] );
-}
-
-static void
-select_line( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
-   _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] );
-}
-
-
-static void
-select_point( struct draw_stage *stage, struct prim_header *prim )
-{
-   struct feedback_stage *fs = feedback_stage(stage);
-   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
-}
-
-
-static void
-select_flush( struct draw_stage *stage, unsigned flags )
-{
-   /* no-op */
-}
-
-
-static void
-select_reset_stipple_counter( struct draw_stage *stage )
-{
-   /* no-op */
-}
-
-static void
-select_destroy( struct draw_stage *stage )
-{
-   /* no-op */
-}
-
-
-/**
- * Create GL selection mode drawing stage.
- */
-static struct draw_stage *
-draw_glselect_stage(struct gl_context *ctx, struct draw_context *draw)
-{
-   struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage);
-
-   fs->stage.draw = draw;
-   fs->stage.next = NULL;
-   fs->stage.point = select_point;
-   fs->stage.line = select_line;
-   fs->stage.tri = select_tri;
-   fs->stage.flush = select_flush;
-   fs->stage.reset_stipple_counter = select_reset_stipple_counter;
-   fs->stage.destroy = select_destroy;
-   fs->ctx = ctx;
-
-   return &fs->stage;
-}
-
-
-static void
-st_RenderMode(struct gl_context *ctx, GLenum newMode )
-{
-   struct st_context *st = st_context(ctx);
-   struct draw_context *draw = st->draw;
-
-   if (newMode == GL_RENDER) {
-      /* restore normal VBO draw function */
-      vbo_set_draw_func(ctx, st_draw_vbo);
-   }
-   else if (newMode == GL_SELECT) {
-      if (!st->selection_stage)
-         st->selection_stage = draw_glselect_stage(ctx, draw);
-      draw_set_rasterize_stage(draw, st->selection_stage);
-      /* Plug in new vbo draw function */
-      vbo_set_draw_func(ctx, st_feedback_draw_vbo);
-   }
-   else {
-      if (!st->feedback_stage)
-         st->feedback_stage = draw_glfeedback_stage(ctx, draw);
-      draw_set_rasterize_stage(draw, st->feedback_stage);
-      /* Plug in new vbo draw function */
-      vbo_set_draw_func(ctx, st_feedback_draw_vbo);
-      /* need to generate/use a vertex program that emits pos/color/tex */
-      st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
-   }
-}
-
-
-
-void st_init_feedback_functions(struct dd_function_table *functions)
-{
-   functions->RenderMode = st_RenderMode;
-}
-
-#endif /* FEATURE_feedback */
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * GL_SELECT and GL_FEEDBACK render modes.
+ * Basically, we use a private instance of the 'draw' module for doing
+ * selection/feedback.  It would be nice to use the transform_feedback
+ * hardware feature, but it's defined as happening pre-clip and we want
+ * post-clipped primitives.  Also, there's concerns about the efficiency
+ * of using the hardware for this anyway.
+ *
+ * Authors:
+ *   Brian Paul
+ */
+
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/feedback.h"
+#include "main/mfeatures.h"
+
+#include "vbo/vbo.h"
+
+#include "st_context.h"
+#include "st_draw.h"
+#include "st_cb_feedback.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+#include "draw/draw_context.h"
+#include "draw/draw_pipe.h"
+
+
+#if FEATURE_feedback
+
+/**
+ * This is actually used for both feedback and selection.
+ */
+struct feedback_stage
+{
+   struct draw_stage stage;   /**< Base class */
+   struct gl_context *ctx;            /**< Rendering context */
+   GLboolean reset_stipple_counter;
+};
+
+
+/**********************************************************************
+ * GL Feedback functions
+ **********************************************************************/
+
+static INLINE struct feedback_stage *
+feedback_stage( struct draw_stage *stage )
+{
+   return (struct feedback_stage *)stage;
+}
+
+
+static void
+feedback_vertex(struct gl_context *ctx, const struct draw_context *draw,
+                const struct vertex_header *v)
+{
+   const struct st_context *st = st_context(ctx);
+   GLfloat win[4];
+   const GLfloat *color, *texcoord;
+   GLuint slot;
+
+   /* Recall that Y=0=Top of window for Gallium wincoords */
+   win[0] = v->data[0][0];
+   win[1] = ctx->DrawBuffer->Height - v->data[0][1];
+   win[2] = v->data[0][2];
+   win[3] = 1.0F / v->data[0][3];
+
+   /* XXX
+    * When we compute vertex layout, save info about position of the
+    * color and texcoord attribs to use here.
+    */
+
+   slot = st->vertex_result_to_slot[VERT_RESULT_COL0];
+   if (slot != ~0U)
+      color = v->data[slot];
+   else
+      color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
+
+   slot = st->vertex_result_to_slot[VERT_RESULT_TEX0];
+   if (slot != ~0U)
+      texcoord = v->data[slot];
+   else
+      texcoord = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
+
+   _mesa_feedback_vertex(ctx, win, color, texcoord);
+}
+
+
+static void
+feedback_tri( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   struct draw_context *draw = stage->draw;
+   _mesa_feedback_token(fs->ctx, (GLfloat) GL_POLYGON_TOKEN);
+   _mesa_feedback_token(fs->ctx, (GLfloat) 3); /* three vertices */
+   feedback_vertex(fs->ctx, draw, prim->v[0]);
+   feedback_vertex(fs->ctx, draw, prim->v[1]);
+   feedback_vertex(fs->ctx, draw, prim->v[2]);
+}
+
+
+static void
+feedback_line( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   struct draw_context *draw = stage->draw;
+   if (fs->reset_stipple_counter) {
+      _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_RESET_TOKEN);
+      fs->reset_stipple_counter = GL_FALSE;
+   }
+   else {
+      _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_TOKEN);
+   }
+   feedback_vertex(fs->ctx, draw, prim->v[0]);
+   feedback_vertex(fs->ctx, draw, prim->v[1]);
+}
+
+
+static void
+feedback_point( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   struct draw_context *draw = stage->draw;
+   _mesa_feedback_token(fs->ctx, (GLfloat) GL_POINT_TOKEN);
+   feedback_vertex(fs->ctx, draw, prim->v[0]);
+}
+
+
+static void
+feedback_flush( struct draw_stage *stage, unsigned flags )
+{
+   /* no-op */
+}
+
+
+static void
+feedback_reset_stipple_counter( struct draw_stage *stage )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   fs->reset_stipple_counter = GL_TRUE;
+}
+
+
+static void
+feedback_destroy( struct draw_stage *stage )
+{
+   /* no-op */
+}
+
+/**
+ * Create GL feedback drawing stage.
+ */
+static struct draw_stage *
+draw_glfeedback_stage(struct gl_context *ctx, struct draw_context *draw)
+{
+   struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage);
+
+   fs->stage.draw = draw;
+   fs->stage.next = NULL;
+   fs->stage.point = feedback_point;
+   fs->stage.line = feedback_line;
+   fs->stage.tri = feedback_tri;
+   fs->stage.flush = feedback_flush;
+   fs->stage.reset_stipple_counter = feedback_reset_stipple_counter;
+   fs->stage.destroy = feedback_destroy;
+   fs->ctx = ctx;
+
+   return &fs->stage;
+}
+
+
+
+/**********************************************************************
+ * GL Selection functions
+ **********************************************************************/
+
+static void
+select_tri( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
+   _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] );
+   _mesa_update_hitflag( fs->ctx, prim->v[2]->data[0][2] );
+}
+
+static void
+select_line( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
+   _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] );
+}
+
+
+static void
+select_point( struct draw_stage *stage, struct prim_header *prim )
+{
+   struct feedback_stage *fs = feedback_stage(stage);
+   _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] );
+}
+
+
+static void
+select_flush( struct draw_stage *stage, unsigned flags )
+{
+   /* no-op */
+}
+
+
+static void
+select_reset_stipple_counter( struct draw_stage *stage )
+{
+   /* no-op */
+}
+
+static void
+select_destroy( struct draw_stage *stage )
+{
+   /* no-op */
+}
+
+
+/**
+ * Create GL selection mode drawing stage.
+ */
+static struct draw_stage *
+draw_glselect_stage(struct gl_context *ctx, struct draw_context *draw)
+{
+   struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage);
+
+   fs->stage.draw = draw;
+   fs->stage.next = NULL;
+   fs->stage.point = select_point;
+   fs->stage.line = select_line;
+   fs->stage.tri = select_tri;
+   fs->stage.flush = select_flush;
+   fs->stage.reset_stipple_counter = select_reset_stipple_counter;
+   fs->stage.destroy = select_destroy;
+   fs->ctx = ctx;
+
+   return &fs->stage;
+}
+
+
+static void
+st_RenderMode(struct gl_context *ctx, GLenum newMode )
+{
+   struct st_context *st = st_context(ctx);
+   struct draw_context *draw = st->draw;
+
+   if (newMode == GL_RENDER) {
+      /* restore normal VBO draw function */
+      vbo_set_draw_func(ctx, st_draw_vbo);
+   }
+   else if (newMode == GL_SELECT) {
+      if (!st->selection_stage)
+         st->selection_stage = draw_glselect_stage(ctx, draw);
+      draw_set_rasterize_stage(draw, st->selection_stage);
+      /* Plug in new vbo draw function */
+      vbo_set_draw_func(ctx, st_feedback_draw_vbo);
+   }
+   else {
+      if (!st->feedback_stage)
+         st->feedback_stage = draw_glfeedback_stage(ctx, draw);
+      draw_set_rasterize_stage(draw, st->feedback_stage);
+      /* Plug in new vbo draw function */
+      vbo_set_draw_func(ctx, st_feedback_draw_vbo);
+      /* need to generate/use a vertex program that emits pos/color/tex */
+      st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+   }
+}
+
+
+
+void st_init_feedback_functions(struct dd_function_table *functions)
+{
+   functions->RenderMode = st_RenderMode;
+}
+
+#endif /* FEATURE_feedback */