+static void
+set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
+ GLfloat x, GLfloat y,
+ GLfloat width, GLfloat height)
+{
+ /* clamp width and height to the implementation dependent range */
+ width = MIN2(width, (GLfloat) ctx->Const.MaxViewportWidth);
+ height = MIN2(height, (GLfloat) ctx->Const.MaxViewportHeight);
+
+ /* The GL_ARB_viewport_array spec says:
+ *
+ * "The location of the viewport's bottom-left corner, given by (x,y),
+ * are clamped to be within the implementation-dependent viewport
+ * bounds range. The viewport bounds range [min, max] tuple may be
+ * determined by calling GetFloatv with the symbolic constant
+ * VIEWPORT_BOUNDS_RANGE (see section 6.1)."
+ */
+ if (ctx->Extensions.ARB_viewport_array ||
+ (ctx->Extensions.OES_viewport_array &&
+ _mesa_is_gles31(ctx))) {
+ x = CLAMP(x,
+ ctx->Const.ViewportBounds.Min, ctx->Const.ViewportBounds.Max);
+ y = CLAMP(y,
+ ctx->Const.ViewportBounds.Min, ctx->Const.ViewportBounds.Max);
+ }
+
+ if (ctx->ViewportArray[idx].X == x &&
+ ctx->ViewportArray[idx].Width == width &&
+ ctx->ViewportArray[idx].Y == y &&
+ ctx->ViewportArray[idx].Height == height)
+ return;
+
+ ctx->ViewportArray[idx].X = x;
+ ctx->ViewportArray[idx].Width = width;
+ ctx->ViewportArray[idx].Y = y;
+ ctx->ViewportArray[idx].Height = height;
+ ctx->NewState |= _NEW_VIEWPORT;
+}
+
+struct gl_viewport_inputs {
+ GLfloat X, Y; /**< position */
+ GLfloat Width, Height; /**< size */
+};
+
+struct gl_depthrange_inputs {
+ GLdouble Near, Far; /**< Depth buffer range */
+};