Demos (master): glsl/gsraytrace: Don' t create new Buffer objects everytime the window is resized.

[Kenneth Graunke]

Module: Demos
Branch: master
Commit: b653f07e6966422851c54abce085748efe75329d
URL:    http://cgit.freedesktop.org/mesa/demos/commit/?id=b653f07e6966422851c54abce085748efe75329d

Author: Fabian Bieler <fabianbieler at fastmail.fm>
Date:   Wed Feb  5 22:07:44 2014 +0100

glsl/gsraytrace: Don't create new Buffer objects everytime the window is resized.

Signed-off-by: Fabian Bieler <fabianbieler at fastmail.fm>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/glsl/gsraytrace.cpp |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/glsl/gsraytrace.cpp b/src/glsl/gsraytrace.cpp
index c21c667..f156fdc 100644
--- a/src/glsl/gsraytrace.cpp
+++ b/src/glsl/gsraytrace.cpp
@@ -776,7 +776,6 @@ Reshape(int width, int height)
 
    {
       size_t nElem = WinWidth*WinHeight*nRayGens;
-      glGenBuffers(1, &dst);
       glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER_NV, dst);
       glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER_NV, nElem*sizeof(GSRay), 0, GL_STREAM_DRAW);
       GSRay* d = (GSRay*)glMapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER_NV, GL_READ_WRITE);
@@ -790,7 +789,6 @@ Reshape(int width, int height)
    }
 
    {
-      glGenBuffers(1, &eyeRaysAsPoints);
       glBindBuffer(GL_ARRAY_BUFFER, eyeRaysAsPoints);
       glBufferData(GL_ARRAY_BUFFER, WinWidth*WinHeight*sizeof(GSRay), 0, GL_STATIC_DRAW);
       GSRay* d = (GSRay*)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
@@ -919,6 +917,8 @@ Init(void)
    }
 
    glGenQueries(1, &pgQuery);
+   glGenBuffers(1, &dst);
+   glGenBuffers(1, &eyeRaysAsPoints);
 
    printf("\nESC                 = exit demo\nleft mouse + drag   = rotate camera\n\n");
 }