1 files changed, 273 insertions, 272 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c
index 2e9eb7265..2c21dc9a7 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c
@@ -1,272 +1,273 @@
-/**************************************************************************
- * 
- * 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.
- * 
- **************************************************************************/
-
-/**
- * glRasterPos implementation.  Basically render a GL_POINT with our
- * private draw module.  Plug in a special "rasterpos" stage at the end
- * of the 'draw' pipeline to capture the results and update the current
- * raster pos attributes.
- *
- * Authors:
- *   Brian Paul
- */
-
-
-#include "main/imports.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/feedback.h"
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_draw.h"
-#include "st_cb_rasterpos.h"
-#include "draw/draw_context.h"
-#include "draw/draw_pipe.h"
-#include "vbo/vbo.h"
-
-
-#if FEATURE_rastpos
-
-/**
- * Our special drawing pipeline stage (replaces rasterization).
- */
-struct rastpos_stage
-{
-   struct draw_stage stage;   /**< Base class */
-   struct gl_context *ctx;            /**< Rendering context */
-
-   /* vertex attrib info we can setup once and re-use */
-   struct gl_client_array array[VERT_ATTRIB_MAX];
-   const struct gl_client_array *arrays[VERT_ATTRIB_MAX];
-   struct _mesa_prim prim;
-};
-
-
-static INLINE struct rastpos_stage *
-rastpos_stage( struct draw_stage *stage )
-{
-   return (struct rastpos_stage *) stage;
-}
-
-static void
-rastpos_flush( struct draw_stage *stage, unsigned flags )
-{
-   /* no-op */
-}
-
-static void
-rastpos_reset_stipple_counter( struct draw_stage *stage )
-{
-   /* no-op */
-}
-
-static void
-rastpos_tri( struct draw_stage *stage, struct prim_header *prim )
-{
-   /* should never get here */
-   assert(0);
-}
-
-static void
-rastpos_line( struct draw_stage *stage, struct prim_header *prim )
-{
-   /* should never get here */
-   assert(0);
-}
-
-static void
-rastpos_destroy(struct draw_stage *stage)
-{
-   free(stage);
-}
-
-
-/**
- * Update a raster pos attribute from the vertex result if it's present,
- * else copy the current attrib.
- */
-static void
-update_attrib(struct gl_context *ctx, const GLuint *outputMapping,
-              const struct vertex_header *vert,
-              GLfloat *dest,
-              GLuint result, GLuint defaultAttrib)
-{
-   const GLfloat *src;
-   const GLuint k = outputMapping[result];
-   if (k != ~0U)
-      src = vert->data[k];
-   else
-      src = ctx->Current.Attrib[defaultAttrib];
-   COPY_4V(dest, src);
-}
-
-
-/**
- * Normally, this function would render a GL_POINT.
- */
-static void
-rastpos_point(struct draw_stage *stage, struct prim_header *prim)
-{
-   struct rastpos_stage *rs = rastpos_stage(stage);
-   struct gl_context *ctx = rs->ctx;
-   struct st_context *st = st_context(ctx);
-   const GLfloat height = (GLfloat) ctx->DrawBuffer->Height;
-   const GLuint *outputMapping = st->vertex_result_to_slot;
-   const GLfloat *pos;
-   GLuint i;
-
-   /* if we get here, we didn't get clipped */
-   ctx->Current.RasterPosValid = GL_TRUE;
-
-   /* update raster pos */
-   pos = prim->v[0]->data[0];
-   ctx->Current.RasterPos[0] = pos[0];
-   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP)
-      ctx->Current.RasterPos[1] = height - pos[1]; /* invert Y */
-   else
-      ctx->Current.RasterPos[1] = pos[1];
-   ctx->Current.RasterPos[2] = pos[2];
-   ctx->Current.RasterPos[3] = pos[3];
-
-   /* update other raster attribs */
-   update_attrib(ctx, outputMapping, prim->v[0],
-                 ctx->Current.RasterColor,
-                 VERT_RESULT_COL0, VERT_ATTRIB_COLOR0);
-
-   update_attrib(ctx, outputMapping, prim->v[0],
-                 ctx->Current.RasterSecondaryColor,
-                 VERT_RESULT_COL1, VERT_ATTRIB_COLOR1);
-
-   for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
-      update_attrib(ctx, outputMapping, prim->v[0],
-                    ctx->Current.RasterTexCoords[i],
-                    VERT_RESULT_TEX0 + i, VERT_ATTRIB_TEX0 + i);
-   }
-
-   if (ctx->RenderMode == GL_SELECT) {
-      _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
-   }
-}
-
-
-/**
- * Create rasterpos "drawing" stage.
- */
-static struct rastpos_stage *
-new_draw_rastpos_stage(struct gl_context *ctx, struct draw_context *draw)
-{
-   struct rastpos_stage *rs = ST_CALLOC_STRUCT(rastpos_stage);
-   GLuint i;
-
-   rs->stage.draw = draw;
-   rs->stage.next = NULL;
-   rs->stage.point = rastpos_point;
-   rs->stage.line = rastpos_line;
-   rs->stage.tri = rastpos_tri;
-   rs->stage.flush = rastpos_flush;
-   rs->stage.destroy = rastpos_destroy;
-   rs->stage.reset_stipple_counter = rastpos_reset_stipple_counter;
-   rs->stage.destroy = rastpos_destroy;
-   rs->ctx = ctx;
-
-   for (i = 0; i < Elements(rs->array); i++) {
-      rs->array[i].Size = 4;
-      rs->array[i].Type = GL_FLOAT;
-      rs->array[i].Format = GL_RGBA;
-      rs->array[i].Stride = 0;
-      rs->array[i].StrideB = 0;
-      rs->array[i].Ptr = (GLubyte *) ctx->Current.Attrib[i];
-      rs->array[i].Enabled = GL_TRUE;
-      rs->array[i].Normalized = GL_TRUE;
-      rs->array[i].BufferObj = NULL;
-      rs->arrays[i] = &rs->array[i];
-   }
-
-   rs->prim.mode = GL_POINTS;
-   rs->prim.indexed = 0;
-   rs->prim.begin = 1;
-   rs->prim.end = 1;
-   rs->prim.weak = 0;
-   rs->prim.start = 0;
-   rs->prim.count = 1;
-
-   return rs;
-}
-
-
-static void
-st_RasterPos(struct gl_context *ctx, const GLfloat v[4])
-{
-   struct st_context *st = st_context(ctx);
-   struct draw_context *draw = st->draw;
-   struct rastpos_stage *rs;
-
-   if (st->rastpos_stage) {
-      /* get rastpos stage info */
-      rs = rastpos_stage(st->rastpos_stage);
-   }
-   else {
-      /* create rastpos draw stage */
-      rs = new_draw_rastpos_stage(ctx, draw);
-      st->rastpos_stage = &rs->stage;
-   }
-
-   /* plug our rastpos stage into the draw module */
-   draw_set_rasterize_stage(st->draw, st->rastpos_stage);
-
-   /* make sure everything's up to date */
-   st_validate_state(st);
-
-   /* This will get set only if rastpos_point(), above, gets called */
-   ctx->Current.RasterPosValid = GL_FALSE;
-
-   /* All vertex attribs but position were previously initialized above.
-    * Just plug in position pointer now.
-    */
-   rs->array[0].Ptr = (GLubyte *) v;
-
-   /* draw the point */
-   st_feedback_draw_vbo(ctx, rs->arrays, &rs->prim, 1, NULL, GL_TRUE, 0, 1);
-
-   /* restore draw's rasterization stage depending on rendermode */
-   if (ctx->RenderMode == GL_FEEDBACK) {
-      draw_set_rasterize_stage(draw, st->feedback_stage);
-   }
-   else if (ctx->RenderMode == GL_SELECT) {
-      draw_set_rasterize_stage(draw, st->selection_stage);
-   }
-}
-
-
-
-void st_init_rasterpos_functions(struct dd_function_table *functions)
-{
-   functions->RasterPos = st_RasterPos;
-}
-
-#endif /* FEATURE_rastpos */
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/**
+ * glRasterPos implementation.  Basically render a GL_POINT with our
+ * private draw module.  Plug in a special "rasterpos" stage at the end
+ * of the 'draw' pipeline to capture the results and update the current
+ * raster pos attributes.
+ *
+ * Authors:
+ *   Brian Paul
+ */
+
+
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/feedback.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_draw.h"
+#include "st_cb_rasterpos.h"
+#include "draw/draw_context.h"
+#include "draw/draw_pipe.h"
+#include "vbo/vbo.h"
+
+
+#if FEATURE_rastpos
+
+/**
+ * Our special drawing pipeline stage (replaces rasterization).
+ */
+struct rastpos_stage
+{
+   struct draw_stage stage;   /**< Base class */
+   struct gl_context *ctx;            /**< Rendering context */
+
+   /* vertex attrib info we can setup once and re-use */
+   struct gl_client_array array[VERT_ATTRIB_MAX];
+   const struct gl_client_array *arrays[VERT_ATTRIB_MAX];
+   struct _mesa_prim prim;
+};
+
+
+static INLINE struct rastpos_stage *
+rastpos_stage( struct draw_stage *stage )
+{
+   return (struct rastpos_stage *) stage;
+}
+
+static void
+rastpos_flush( struct draw_stage *stage, unsigned flags )
+{
+   /* no-op */
+}
+
+static void
+rastpos_reset_stipple_counter( struct draw_stage *stage )
+{
+   /* no-op */
+}
+
+static void
+rastpos_tri( struct draw_stage *stage, struct prim_header *prim )
+{
+   /* should never get here */
+   assert(0);
+}
+
+static void
+rastpos_line( struct draw_stage *stage, struct prim_header *prim )
+{
+   /* should never get here */
+   assert(0);
+}
+
+static void
+rastpos_destroy(struct draw_stage *stage)
+{
+   free(stage);
+}
+
+
+/**
+ * Update a raster pos attribute from the vertex result if it's present,
+ * else copy the current attrib.
+ */
+static void
+update_attrib(struct gl_context *ctx, const GLuint *outputMapping,
+              const struct vertex_header *vert,
+              GLfloat *dest,
+              GLuint result, GLuint defaultAttrib)
+{
+   const GLfloat *src;
+   const GLuint k = outputMapping[result];
+   if (k != ~0U)
+      src = vert->data[k];
+   else
+      src = ctx->Current.Attrib[defaultAttrib];
+   COPY_4V(dest, src);
+}
+
+
+/**
+ * Normally, this function would render a GL_POINT.
+ */
+static void
+rastpos_point(struct draw_stage *stage, struct prim_header *prim)
+{
+   struct rastpos_stage *rs = rastpos_stage(stage);
+   struct gl_context *ctx = rs->ctx;
+   struct st_context *st = st_context(ctx);
+   const GLfloat height = (GLfloat) ctx->DrawBuffer->Height;
+   const GLuint *outputMapping = st->vertex_result_to_slot;
+   const GLfloat *pos;
+   GLuint i;
+
+   /* if we get here, we didn't get clipped */
+   ctx->Current.RasterPosValid = GL_TRUE;
+
+   /* update raster pos */
+   pos = prim->v[0]->data[0];
+   ctx->Current.RasterPos[0] = pos[0];
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP)
+      ctx->Current.RasterPos[1] = height - pos[1]; /* invert Y */
+   else
+      ctx->Current.RasterPos[1] = pos[1];
+   ctx->Current.RasterPos[2] = pos[2];
+   ctx->Current.RasterPos[3] = pos[3];
+
+   /* update other raster attribs */
+   update_attrib(ctx, outputMapping, prim->v[0],
+                 ctx->Current.RasterColor,
+                 VERT_RESULT_COL0, VERT_ATTRIB_COLOR0);
+
+   update_attrib(ctx, outputMapping, prim->v[0],
+                 ctx->Current.RasterSecondaryColor,
+                 VERT_RESULT_COL1, VERT_ATTRIB_COLOR1);
+
+   for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+      update_attrib(ctx, outputMapping, prim->v[0],
+                    ctx->Current.RasterTexCoords[i],
+                    VERT_RESULT_TEX0 + i, VERT_ATTRIB_TEX0 + i);
+   }
+
+   if (ctx->RenderMode == GL_SELECT) {
+      _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+   }
+}
+
+
+/**
+ * Create rasterpos "drawing" stage.
+ */
+static struct rastpos_stage *
+new_draw_rastpos_stage(struct gl_context *ctx, struct draw_context *draw)
+{
+   struct rastpos_stage *rs = ST_CALLOC_STRUCT(rastpos_stage);
+   GLuint i;
+
+   rs->stage.draw = draw;
+   rs->stage.next = NULL;
+   rs->stage.point = rastpos_point;
+   rs->stage.line = rastpos_line;
+   rs->stage.tri = rastpos_tri;
+   rs->stage.flush = rastpos_flush;
+   rs->stage.destroy = rastpos_destroy;
+   rs->stage.reset_stipple_counter = rastpos_reset_stipple_counter;
+   rs->stage.destroy = rastpos_destroy;
+   rs->ctx = ctx;
+
+   for (i = 0; i < Elements(rs->array); i++) {
+      rs->array[i].Size = 4;
+      rs->array[i].Type = GL_FLOAT;
+      rs->array[i].Format = GL_RGBA;
+      rs->array[i].Stride = 0;
+      rs->array[i].StrideB = 0;
+      rs->array[i].Ptr = (GLubyte *) ctx->Current.Attrib[i];
+      rs->array[i].Enabled = GL_TRUE;
+      rs->array[i].Normalized = GL_TRUE;
+      rs->array[i].BufferObj = NULL;
+      rs->arrays[i] = &rs->array[i];
+   }
+
+   rs->prim.mode = GL_POINTS;
+   rs->prim.indexed = 0;
+   rs->prim.begin = 1;
+   rs->prim.end = 1;
+   rs->prim.weak = 0;
+   rs->prim.start = 0;
+   rs->prim.count = 1;
+
+   return rs;
+}
+
+
+static void
+st_RasterPos(struct gl_context *ctx, const GLfloat v[4])
+{
+   struct st_context *st = st_context(ctx);
+   struct draw_context *draw = st->draw;
+   struct rastpos_stage *rs;
+
+   if (st->rastpos_stage) {
+      /* get rastpos stage info */
+      rs = rastpos_stage(st->rastpos_stage);
+   }
+   else {
+      /* create rastpos draw stage */
+      rs = new_draw_rastpos_stage(ctx, draw);
+      st->rastpos_stage = &rs->stage;
+   }
+
+   /* plug our rastpos stage into the draw module */
+   draw_set_rasterize_stage(st->draw, st->rastpos_stage);
+
+   /* make sure everything's up to date */
+   st_validate_state(st);
+
+   /* This will get set only if rastpos_point(), above, gets called */
+   ctx->Current.RasterPosValid = GL_FALSE;
+
+   /* All vertex attribs but position were previously initialized above.
+    * Just plug in position pointer now.
+    */
+   rs->array[0].Ptr = (GLubyte *) v;
+
+   /* draw the point */
+   st_feedback_draw_vbo(ctx, rs->arrays, &rs->prim, 1, NULL, GL_TRUE, 0, 1,
+                        NULL);
+
+   /* restore draw's rasterization stage depending on rendermode */
+   if (ctx->RenderMode == GL_FEEDBACK) {
+      draw_set_rasterize_stage(draw, st->feedback_stage);
+   }
+   else if (ctx->RenderMode == GL_SELECT) {
+      draw_set_rasterize_stage(draw, st->selection_stage);
+   }
+}
+
+
+
+void st_init_rasterpos_functions(struct dd_function_table *functions)
+{
+   functions->RasterPos = st_RasterPos;
+}
+
+#endif /* FEATURE_rastpos */