glx: Sync <GL/glxext.h> with Khronos

[mesa.git] / src / mesa / state_tracker / st_cb_feedback.c

diff --git a/src/mesa/state_tracker/st_cb_feedback.c b/src/mesa/state_tracker/st_cb_feedback.c
index 5c01856f03381f67ec222a2f861e3b5ee63f6bd0..54f101ed82ceaedee7e74c3f3495bc046745a255 100644 (file)
--- a/src/mesa/state_tracker/st_cb_feedback.c
+++ b/src/mesa/state_tracker/st_cb_feedback.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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
+ * IN NO EVENT SHALL VMWARE 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.
@@ -40,12 +40,15 @@
 #include "main/imports.h"
 #include "main/context.h"
 #include "main/feedback.h"
+#include "main/varray.h"
 
 #include "vbo/vbo.h"
 
 #include "st_context.h"
 #include "st_draw.h"
 #include "st_cb_feedback.h"
+#include "st_program.h"
+#include "st_util.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
@@ -54,8 +57,6 @@
 #include "draw/draw_pipe.h"
 
 
-#if FEATURE_feedback
-
 /**
  * This is actually used for both feedback and selection.
  */
@@ -71,7 +72,7 @@ struct feedback_stage
  * GL Feedback functions
  **********************************************************************/
 
-static INLINE struct feedback_stage *
+static inline struct feedback_stage *
 feedback_stage( struct draw_stage *stage )
 {
    return (struct feedback_stage *)stage;
@@ -87,9 +88,11 @@ feedback_vertex(struct gl_context *ctx, const struct draw_context *draw,
    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];
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP)
+      win[1] = ctx->DrawBuffer->Height - v->data[0][1];
+   else
+      win[1] = v->data[0][1];
    win[2] = v->data[0][2];
    win[3] = 1.0F / v->data[0][3];
 
@@ -98,13 +101,13 @@ feedback_vertex(struct gl_context *ctx, const struct draw_context *draw,
     * color and texcoord attribs to use here.
     */
 
-   slot = st->vertex_result_to_slot[VERT_RESULT_COL0];
+   slot = st->vp->result_to_output[VARYING_SLOT_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];
+   slot = st->vp->result_to_output[VARYING_SLOT_TEX0];
    if (slot != ~0U)
       texcoord = v->data[slot];
    else
@@ -172,7 +175,7 @@ feedback_reset_stipple_counter( struct draw_stage *stage )
 static void
 feedback_destroy( struct draw_stage *stage )
 {
-   /* no-op */
+   free(stage);
 }
 
 /**
@@ -244,7 +247,7 @@ select_reset_stipple_counter( struct draw_stage *stage )
 static void
 select_destroy( struct draw_stage *stage )
 {
-   /* no-op */
+   free(stage);
 }
 
 
@@ -274,27 +277,33 @@ static void
 st_RenderMode(struct gl_context *ctx, GLenum newMode )
 {
    struct st_context *st = st_context(ctx);
-   struct draw_context *draw = st->draw;
+   struct draw_context *draw = st_get_draw_context(st);
+
+   if (!st->draw)
+      return;
 
    if (newMode == GL_RENDER) {
       /* restore normal VBO draw function */
-      vbo_set_draw_func(ctx, st_draw_vbo);
+      st_init_draw_functions(&ctx->Driver);
    }
    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);
+      ctx->Driver.Draw = st_feedback_draw_vbo;
    }
    else {
+      struct gl_program *vp = st->ctx->VertexProgram._Current;
+
       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);
+      ctx->Driver.Draw = st_feedback_draw_vbo;
       /* need to generate/use a vertex program that emits pos/color/tex */
-      st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+      if (vp)
+         st->dirty |= ST_NEW_VERTEX_PROGRAM(st, st_vertex_program(vp));
    }
 }
 
@@ -304,5 +313,3 @@ void st_init_feedback_functions(struct dd_function_table *functions)
 {
    functions->RenderMode = st_RenderMode;
 }
-
-#endif /* FEATURE_feedback */