Mesa (master): mesa: add new query/buffer targets for transform feedback

[Brian Paul]

Module: Mesa
Branch: master
Commit: 423860ac7809173dda479991f23751ad169076d1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=423860ac7809173dda479991f23751ad169076d1

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Mar 30 19:53:01 2010 -0600

mesa: add new query/buffer targets for transform feedback

---

 src/mesa/main/bufferobj.c |    7 +++++++
 src/mesa/main/queryobj.c  |   12 ++++++++++++
 2 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 11bf486..235cafc 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -83,6 +83,13 @@ get_buffer_target(GLcontext *ctx, GLenum target)
          return &ctx->CopyWriteBuffer;
       }
       break;
+#if FEATURE_EXT_transform_feedback
+   case GL_TRANSFORM_FEEDBACK_BUFFER:
+      if (ctx->Extensions.EXT_transform_feedback) {
+         return &ctx->TransformFeedback.CurrentBuffer;
+      }
+      break;
+#endif
    default:
       return NULL;
    }
diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index ff084d7..a907dac 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -148,6 +148,18 @@ get_query_binding_point(GLcontext *ctx, GLenum target)
          return &ctx->Query.CurrentTimerObject;
       else
          return NULL;
+#if FEATURE_EXT_transform_feedback
+   case GL_PRIMITIVES_GENERATED:
+      if (ctx->Extensions.EXT_transform_feedback)
+         return &ctx->Query.PrimitivesGenerated;
+      else
+         return NULL;
+   case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+      if (ctx->Extensions.EXT_transform_feedback)
+         return &ctx->Query.PrimitivesWritten;
+      else
+         return NULL;
+#endif
    default:
       return NULL;
    }