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mesa: only flush vertices when the viewport is different

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This prevents glViewport() and friends to always flush and
trigger _NEW_VIEWPORT.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Samuel Pitoiset
2017-06-22 15:03:20 +02:00
parent 4178cea06d
commit cb577e379e
1 changed files with 3 additions and 3 deletions
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src/mesa/main/viewport.c
+3 -3
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@@ -40,9 +40,6 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
GLfloat x, GLfloat y,
GLfloat width, GLfloat height)
{
FLUSH_VERTICES(ctx, ctx->DriverFlags.NewViewport ? 0 : _NEW_VIEWPORT);
ctx->NewDriverState |= ctx->DriverFlags.NewViewport;
/* clamp width and height to the implementation dependent range */
width = MIN2(width, (GLfloat) ctx->Const.MaxViewportWidth);
height = MIN2(height, (GLfloat) ctx->Const.MaxViewportHeight);
@@ -70,6 +67,9 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
ctx->ViewportArray[idx].Height == height)
return;
FLUSH_VERTICES(ctx, ctx->DriverFlags.NewViewport ? 0 : _NEW_VIEWPORT);
ctx->NewDriverState |= ctx->DriverFlags.NewViewport;
ctx->ViewportArray[idx].X = x;
ctx->ViewportArray[idx].Width = width;
ctx->ViewportArray[idx].Y = y;