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-rw-r--r--src/mesa/drivers/common/meta.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 1a42b057490..798efa68073 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -4022,6 +4022,11 @@ decompress_texture_image(struct gl_context *ctx,
verts[3].x = 0.0F;
verts[3].y = height;
+ _mesa_MatrixMode(GL_PROJECTION);
+ _mesa_LoadIdentity();
+ _mesa_Ortho(0.0, width, 0.0, height, -1.0, 1.0);
+ _mesa_set_viewport(ctx, 0, 0, width, height);
+
/* upload new vertex data */
_mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);