st/mesa: fix fallout from xfb changes.

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

diff --git a/src/mesa/state_tracker/st_atom_viewport.c b/src/mesa/state_tracker/st_atom_viewport.c
index 8c6d679a0415d589dc6824db5b1eb8a394cc6d27..9a692cecade9533c52934825c6c27cbd25a3e349 100644 (file)
--- a/src/mesa/state_tracker/st_atom_viewport.c
+++ b/src/mesa/state_tracker/st_atom_viewport.c
@@ -27,6 +27,7 @@
 
 
 #include "main/context.h"
+#include "main/viewport.h"
 #include "st_context.h"
 #include "st_atom.h"
 #include "pipe/p_context.h"
@@ -43,7 +44,7 @@ update_viewport( struct st_context *st )
 {
    struct gl_context *ctx = st->ctx;
    GLfloat yScale, yBias;
-
+   unsigned i;
    /* _NEW_BUFFERS
     */
    if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
@@ -61,26 +62,23 @@ update_viewport( struct st_context *st )
 
    /* _NEW_VIEWPORT 
     */
+   for (i = 0; i < ctx->Const.MaxViewports; i++)
    {
-      GLfloat x = ctx->ViewportArray[0].X;
-      GLfloat y = ctx->ViewportArray[0].Y;
-      GLfloat z = ctx->ViewportArray[0].Near;
-      GLfloat half_width = ctx->ViewportArray[0].Width * 0.5f;
-      GLfloat half_height = ctx->ViewportArray[0].Height * 0.5f;
-      GLfloat half_depth = (GLfloat)(ctx->ViewportArray[0].Far - ctx->ViewportArray[0].Near) * 0.5f;
-      
-      st->state.viewport.scale[0] = half_width;
-      st->state.viewport.scale[1] = half_height * yScale;
-      st->state.viewport.scale[2] = half_depth;
-      st->state.viewport.scale[3] = 1.0;
+      float scale[3], translate[3];
+      _mesa_get_viewport_xform(ctx, i, scale, translate);
 
-      st->state.viewport.translate[0] = half_width + x;
-      st->state.viewport.translate[1] = (half_height + y) * yScale + yBias;
-      st->state.viewport.translate[2] = half_depth + z;
-      st->state.viewport.translate[3] = 0.0;
+      st->state.viewport[i].scale[0] = scale[0];
+      st->state.viewport[i].scale[1] = scale[1] * yScale;
+      st->state.viewport[i].scale[2] = scale[2];
 
-      cso_set_viewport(st->cso_context, &st->state.viewport);
+      st->state.viewport[i].translate[0] = translate[0];
+      st->state.viewport[i].translate[1] = translate[1] * yScale + yBias;
+      st->state.viewport[i].translate[2] = translate[2];
    }
+
+   cso_set_viewport(st->cso_context, &st->state.viewport[0]);
+   if (ctx->Const.MaxViewports > 1)
+      st->pipe->set_viewport_states(st->pipe, 1, ctx->Const.MaxViewports - 1, &st->state.viewport[1]);
 }