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-rw-r--r--src/mesa/drivers/dri/i915/i915_state.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c
index f31b271500f..f9aecba2327 100644
--- a/src/mesa/drivers/dri/i915/i915_state.c
+++ b/src/mesa/drivers/dri/i915/i915_state.c
@@ -34,6 +34,7 @@
#include "main/dd.h"
#include "main/state.h"
#include "main/stencil.h"
+#include "main/viewport.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
@@ -401,26 +402,17 @@ void
intelCalcViewport(struct gl_context * ctx)
{
struct intel_context *intel = intel_context(ctx);
+ double scale[3], translate[3];
+
+ _mesa_get_viewport_xform(ctx, 0, scale, translate);
if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
- _math_matrix_viewport(&intel->ViewportMatrix,
- ctx->ViewportArray[0].X,
- ctx->DrawBuffer->Height - ctx->ViewportArray[0].Y,
- ctx->ViewportArray[0].Width,
- -ctx->ViewportArray[0].Height,
- ctx->ViewportArray[0].Near,
- ctx->ViewportArray[0].Far,
- 1.0);
- } else {
- _math_matrix_viewport(&intel->ViewportMatrix,
- ctx->ViewportArray[0].X,
- ctx->ViewportArray[0].Y,
- ctx->ViewportArray[0].Width,
- ctx->ViewportArray[0].Height,
- ctx->ViewportArray[0].Near,
- ctx->ViewportArray[0].Far,
- 1.0);
+ scale[1] = -scale[1];
+ translate[1] = ctx->DrawBuffer->Height - translate[1];
}
+
+ _math_matrix_viewport(&intel->ViewportMatrix,
+ scale, translate, 1.0);
}